* Re: kernel panic: stack is corrupted in __lock_acquire (4) [not found] ` <0000000000000ec274059185a63e@google.com> @ 2019-09-02 3:23 ` Dmitry Vyukov 2019-10-17 16:25 ` Eric Biggers 0 siblings, 1 reply; 5+ messages in thread From: Dmitry Vyukov @ 2019-09-02 3:23 UTC (permalink / raw) To: syzbot, bpf; +Cc: LKML, netdev, syzkaller-bugs On Sun, Sep 1, 2019 at 3:48 PM syzbot <syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com> wrote: > > syzbot has found a reproducer for the following crash on: > > HEAD commit: 38320f69 Merge branch 'Minor-cleanup-in-devlink' > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=13d74356600000 > kernel config: https://syzkaller.appspot.com/x/.config?x=1bbf70b6300045af > dashboard link: https://syzkaller.appspot.com/bug?extid=83979935eb6304f8cd46 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1008b232600000 Stack corruption + bpf maps in repro triggers some bells. +bpf mailing list. > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com > > Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: > __lock_acquire+0x36fa/0x4c30 kernel/locking/lockdep.c:3907 > CPU: 0 PID: 8662 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #153 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > Google 01/01/2011 > Call Trace: > Kernel Offset: disabled > Rebooting in 86400 seconds.. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/0000000000000ec274059185a63e%40google.com. ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: kernel panic: stack is corrupted in __lock_acquire (4) 2019-09-02 3:23 ` kernel panic: stack is corrupted in __lock_acquire (4) Dmitry Vyukov @ 2019-10-17 16:25 ` Eric Biggers 2019-10-17 16:30 ` Eric Biggers 0 siblings, 1 reply; 5+ messages in thread From: Eric Biggers @ 2019-10-17 16:25 UTC (permalink / raw) To: bpf, netdev; +Cc: syzbot, LKML, Dmitry Vyukov, syzkaller-bugs On Sun, Sep 01, 2019 at 08:23:42PM -0700, 'Dmitry Vyukov' via syzkaller-bugs wrote: > On Sun, Sep 1, 2019 at 3:48 PM syzbot > <syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com> wrote: > > > > syzbot has found a reproducer for the following crash on: > > > > HEAD commit: 38320f69 Merge branch 'Minor-cleanup-in-devlink' > > git tree: net-next > > console output: https://syzkaller.appspot.com/x/log.txt?x=13d74356600000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=1bbf70b6300045af > > dashboard link: https://syzkaller.appspot.com/bug?extid=83979935eb6304f8cd46 > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1008b232600000 > > Stack corruption + bpf maps in repro triggers some bells. +bpf mailing list. > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > Reported-by: syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com > > > > Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: > > __lock_acquire+0x36fa/0x4c30 kernel/locking/lockdep.c:3907 > > CPU: 0 PID: 8662 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #153 > > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > > Google 01/01/2011 > > Call Trace: > > Kernel Offset: disabled > > Rebooting in 86400 seconds.. > > This is still reproducible on latest net tree, but using a different kconfig I was able to get a more informative crash output. Apparently tcp_bpf_unhash() is being called recursively. Anyone know why this might happen? This is using the syzkaller language reproducer linked above -- I ran it with: syz-execprog -threaded=1 -collide=1 -cover=0 -repeat=0 -procs=8 -sandbox=none -enable=net_dev,net_reset,tun syz_bpf.txt Crash report on net/master: PANIC: double fault, error_code: 0x0 CPU: 3 PID: 8328 Comm: syz-executor Not tainted 5.4.0-rc1-00118-ge497c20e2036 #31 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20191013_105130-anatol 04/01/2014 RIP: 0010:mark_lock+0x4/0x640 kernel/locking/lockdep.c:3631 Code: a2 7f 27 01 85 c0 0f 84 f3 42 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 83 fa 08 76 21 44 8b 25 ab RSP: 0018:ffffc9000010d000 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000000008 RSI: ffff888071f92dd8 RDI: ffff888071f92600 RBP: ffffc9000010d000 R08: 0000000000000000 R09: 0000000000022023 R10: 00000000000000c8 R11: 0000000000000000 R12: ffff888071f92600 R13: ffff888071f92dd8 R14: 0000000000000023 R15: 0000000000000000 FS: 00007ff9f7765700(0000) GS:ffff88807fd80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000010cff8 CR3: 000000000221d000 CR4: 00000000003406e0 Call Trace: <IRQ> mark_usage kernel/locking/lockdep.c:3592 [inline] __lock_acquire+0x22f/0xf80 kernel/locking/lockdep.c:3909 lock_acquire+0x99/0x170 kernel/locking/lockdep.c:4487 rcu_lock_acquire include/linux/rcupdate.h:208 [inline] rcu_read_lock include/linux/rcupdate.h:599 [inline] tcp_bpf_unhash+0x33/0x1d0 net/ipv4/tcp_bpf.c:549 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 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net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_set_state+0xc1/0x220 net/ipv4/tcp.c:2249 tcp_done+0x39/0xe0 net/ipv4/tcp.c:3854 tcp_reset+0x5b/0x130 net/ipv4/tcp_input.c:4125 tcp_validate_incoming+0x323/0x450 net/ipv4/tcp_input.c:5486 tcp_rcv_established+0x138/0x6f0 net/ipv4/tcp_input.c:5694 tcp_v6_do_rcv+0xce/0x3f0 net/ipv6/tcp_ipv6.c:1378 tcp_v6_rcv+0xb75/0xcc0 net/ipv6/tcp_ipv6.c:1610 ip6_protocol_deliver_rcu+0xc8/0x540 net/ipv6/ip6_input.c:409 ip6_input_finish+0x57/0xf0 net/ipv6/ip6_input.c:450 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip6_input+0x40/0x1f0 net/ipv6/ip6_input.c:459 dst_input include/net/dst.h:442 [inline] ip6_rcv_finish net/ipv6/ip6_input.c:76 [inline] ip6_rcv_finish+0x2f/0x60 net/ipv6/ip6_input.c:66 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ipv6_rcv+0x16a/0x220 net/ipv6/ip6_input.c:284 __netif_receive_skb_one_core+0x4e/0x70 net/core/dev.c:5010 __netif_receive_skb+0x13/0x60 net/core/dev.c:5124 process_backlog+0xcd/0x210 net/core/dev.c:5955 napi_poll net/core/dev.c:6392 [inline] net_rx_action+0xf1/0x3a0 net/core/dev.c:6460 __do_softirq+0xc1/0x40d kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1082 </IRQ> do_softirq.part.0+0x44/0x50 kernel/softirq.c:337 do_softirq arch/x86/include/asm/preempt.h:26 [inline] __local_bh_enable_ip+0xc6/0xd0 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] inet_csk_listen_stop+0x14d/0x300 net/ipv4/inet_connection_sock.c:993 tcp_close+0x433/0x4e0 net/ipv4/tcp.c:2352 inet_release+0x30/0x60 net/ipv4/af_inet.c:427 inet6_release+0x2c/0x40 net/ipv6/af_inet6.c:470 __sock_release+0x31/0x90 net/socket.c:590 sock_close+0x13/0x20 net/socket.c:1268 __fput+0xca/0x250 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:313 task_work_run+0x7b/0xb0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x292/0xb30 kernel/exit.c:817 do_group_exit+0x4b/0xc0 kernel/exit.c:921 get_signal+0x132/0xb70 kernel/signal.c:2734 do_signal+0x2f/0x270 arch/x86/kernel/signal.c:815 exit_to_usermode_loop+0x5d/0xa0 arch/x86/entry/common.c:159 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x145/0x1a0 arch/x86/entry/common.c:300 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x46165d Code: Bad RIP value. RSP: 002b:00007ff9f7764c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: 00000000002774e4 RBX: 000000000052bf00 RCX: 000000000046165d RDX: ffffffffffffffc1 RSI: 00000000200005c0 RDI: 0000000000000006 RBP: 0000000000000006 R08: 0000000000000000 R09: 1201000000003618 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004f3d48 R14: 00000000004b258c R15: 00007ff9f77656bc Kernel panic - not syncing: Machine halted. CPU: 3 PID: 8328 Comm: syz-executor Not tainted 5.4.0-rc1-00118-ge497c20e2036 #31 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20191013_105130-anatol 04/01/2014 Call Trace: <#DF> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x70/0x9a lib/dump_stack.c:113 panic+0xfb/0x2ba kernel/panic.c:220 df_debug+0x29/0x33 arch/x86/kernel/doublefault.c:81 do_double_fault+0x99/0x100 arch/x86/kernel/traps.c:420 double_fault+0x2a/0x30 arch/x86/entry/entry_64.S:1030 RIP: 0010:mark_lock+0x4/0x640 kernel/locking/lockdep.c:3631 Code: a2 7f 27 01 85 c0 0f 84 f3 42 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 83 fa 08 76 21 44 8b 25 ab RSP: 0018:ffffc9000010d000 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000000008 RSI: ffff888071f92dd8 RDI: ffff888071f92600 RBP: ffffc9000010d000 R08: 0000000000000000 R09: 0000000000022023 R10: 00000000000000c8 R11: 0000000000000000 R12: ffff888071f92600 R13: ffff888071f92dd8 R14: 0000000000000023 R15: 0000000000000000 </#DF> <IRQ> mark_usage kernel/locking/lockdep.c:3592 [inline] __lock_acquire+0x22f/0xf80 kernel/locking/lockdep.c:3909 lock_acquire+0x99/0x170 kernel/locking/lockdep.c:4487 rcu_lock_acquire include/linux/rcupdate.h:208 [inline] rcu_read_lock include/linux/rcupdate.h:599 [inline] tcp_bpf_unhash+0x33/0x1d0 net/ipv4/tcp_bpf.c:549 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 tcp_set_state+0xc1/0x220 net/ipv4/tcp.c:2249 tcp_done+0x39/0xe0 net/ipv4/tcp.c:3854 tcp_reset+0x5b/0x130 net/ipv4/tcp_input.c:4125 tcp_validate_incoming+0x323/0x450 net/ipv4/tcp_input.c:5486 tcp_rcv_established+0x138/0x6f0 net/ipv4/tcp_input.c:5694 tcp_v6_do_rcv+0xce/0x3f0 net/ipv6/tcp_ipv6.c:1378 tcp_v6_rcv+0xb75/0xcc0 net/ipv6/tcp_ipv6.c:1610 ip6_protocol_deliver_rcu+0xc8/0x540 net/ipv6/ip6_input.c:409 ip6_input_finish+0x57/0xf0 net/ipv6/ip6_input.c:450 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip6_input+0x40/0x1f0 net/ipv6/ip6_input.c:459 dst_input include/net/dst.h:442 [inline] ip6_rcv_finish net/ipv6/ip6_input.c:76 [inline] ip6_rcv_finish+0x2f/0x60 net/ipv6/ip6_input.c:66 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ipv6_rcv+0x16a/0x220 net/ipv6/ip6_input.c:284 __netif_receive_skb_one_core+0x4e/0x70 net/core/dev.c:5010 __netif_receive_skb+0x13/0x60 net/core/dev.c:5124 process_backlog+0xcd/0x210 net/core/dev.c:5955 napi_poll net/core/dev.c:6392 [inline] net_rx_action+0xf1/0x3a0 net/core/dev.c:6460 __do_softirq+0xc1/0x40d kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1082 </IRQ> do_softirq.part.0+0x44/0x50 kernel/softirq.c:337 do_softirq arch/x86/include/asm/preempt.h:26 [inline] __local_bh_enable_ip+0xc6/0xd0 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] inet_csk_listen_stop+0x14d/0x300 net/ipv4/inet_connection_sock.c:993 tcp_close+0x433/0x4e0 net/ipv4/tcp.c:2352 inet_release+0x30/0x60 net/ipv4/af_inet.c:427 inet6_release+0x2c/0x40 net/ipv6/af_inet6.c:470 __sock_release+0x31/0x90 net/socket.c:590 sock_close+0x13/0x20 net/socket.c:1268 __fput+0xca/0x250 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:313 task_work_run+0x7b/0xb0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x292/0xb30 kernel/exit.c:817 do_group_exit+0x4b/0xc0 kernel/exit.c:921 get_signal+0x132/0xb70 kernel/signal.c:2734 do_signal+0x2f/0x270 arch/x86/kernel/signal.c:815 exit_to_usermode_loop+0x5d/0xa0 arch/x86/entry/common.c:159 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x145/0x1a0 arch/x86/entry/common.c:300 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x46165d Code: Bad RIP value. RSP: 002b:00007ff9f7764c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: 00000000002774e4 RBX: 000000000052bf00 RCX: 000000000046165d RDX: ffffffffffffffc1 RSI: 00000000200005c0 RDI: 0000000000000006 RBP: 0000000000000006 R08: 0000000000000000 R09: 1201000000003618 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004f3d48 R14: 00000000004b258c R15: 00007ff9f77656bc Kernel Offset: disabled Rebooting in 5 seconds.. ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: kernel panic: stack is corrupted in __lock_acquire (4) 2019-10-17 16:25 ` Eric Biggers @ 2019-10-17 16:30 ` Eric Biggers 2019-11-19 5:29 ` Eric Biggers 0 siblings, 1 reply; 5+ messages in thread From: Eric Biggers @ 2019-10-17 16:30 UTC (permalink / raw) To: bpf, netdev Cc: Jakub Kicinski, John Fastabend, syzbot, LKML, Dmitry Vyukov, syzkaller-bugs On Thu, Oct 17, 2019 at 09:25:05AM -0700, Eric Biggers wrote: > On Sun, Sep 01, 2019 at 08:23:42PM -0700, 'Dmitry Vyukov' via syzkaller-bugs wrote: > > On Sun, Sep 1, 2019 at 3:48 PM syzbot > > <syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com> wrote: > > > > > > syzbot has found a reproducer for the following crash on: > > > > > > HEAD commit: 38320f69 Merge branch 'Minor-cleanup-in-devlink' > > > git tree: net-next > > > console output: https://syzkaller.appspot.com/x/log.txt?x=13d74356600000 > > > kernel config: https://syzkaller.appspot.com/x/.config?x=1bbf70b6300045af > > > dashboard link: https://syzkaller.appspot.com/bug?extid=83979935eb6304f8cd46 > > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1008b232600000 > > > > Stack corruption + bpf maps in repro triggers some bells. +bpf mailing list. > > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > > Reported-by: syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com > > > > > > Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: > > > __lock_acquire+0x36fa/0x4c30 kernel/locking/lockdep.c:3907 > > > CPU: 0 PID: 8662 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #153 > > > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > > > Google 01/01/2011 > > > Call Trace: > > > Kernel Offset: disabled > > > Rebooting in 86400 seconds.. > > > > > This is still reproducible on latest net tree, but using a different kconfig I > was able to get a more informative crash output. Apparently tcp_bpf_unhash() is > being called recursively. Anyone know why this might happen? > > This is using the syzkaller language reproducer linked above -- I ran it with: > > syz-execprog -threaded=1 -collide=1 -cover=0 -repeat=0 -procs=8 -sandbox=none -enable=net_dev,net_reset,tun syz_bpf.txt > > Crash report on net/master: > > PANIC: double fault, error_code: 0x0 > CPU: 3 PID: 8328 Comm: syz-executor Not tainted 5.4.0-rc1-00118-ge497c20e2036 #31 > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20191013_105130-anatol 04/01/2014 > RIP: 0010:mark_lock+0x4/0x640 kernel/locking/lockdep.c:3631 > Code: a2 7f 27 01 85 c0 0f 84 f3 42 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 83 fa 08 76 21 44 8b 25 ab > RSP: 0018:ffffc9000010d000 EFLAGS: 00010046 > RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 > RDX: 0000000000000008 RSI: ffff888071f92dd8 RDI: ffff888071f92600 > RBP: ffffc9000010d000 R08: 0000000000000000 R09: 0000000000022023 > R10: 00000000000000c8 R11: 0000000000000000 R12: ffff888071f92600 > R13: ffff888071f92dd8 R14: 0000000000000023 R15: 0000000000000000 > FS: 00007ff9f7765700(0000) GS:ffff88807fd80000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: ffffc9000010cff8 CR3: 000000000221d000 CR4: 00000000003406e0 > Call Trace: > <IRQ> > mark_usage kernel/locking/lockdep.c:3592 [inline] > __lock_acquire+0x22f/0xf80 kernel/locking/lockdep.c:3909 > lock_acquire+0x99/0x170 kernel/locking/lockdep.c:4487 > rcu_lock_acquire include/linux/rcupdate.h:208 [inline] > rcu_read_lock include/linux/rcupdate.h:599 [inline] > tcp_bpf_unhash+0x33/0x1d0 net/ipv4/tcp_bpf.c:549 > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 [...] Recursive tcp_bpf_unhash() also showed up in "BUG: unable to handle kernel paging request in tls_prots" (https://lkml.kernel.org/lkml/000000000000d7bcbb058c3758a1@google.com/T/) which was claimed to be fixed by "bpf: sockmap/tls, close can race with map free". But that fix was months ago; this crash is on latest net tree. - Eric ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: kernel panic: stack is corrupted in __lock_acquire (4) 2019-10-17 16:30 ` Eric Biggers @ 2019-11-19 5:29 ` Eric Biggers 2019-11-19 5:46 ` John Fastabend 0 siblings, 1 reply; 5+ messages in thread From: Eric Biggers @ 2019-11-19 5:29 UTC (permalink / raw) To: bpf, netdev, Jakub Kicinski, John Fastabend, syzbot, LKML, Dmitry Vyukov, syzkaller-bugs On Thu, Oct 17, 2019 at 09:30:07AM -0700, Eric Biggers wrote: > On Thu, Oct 17, 2019 at 09:25:05AM -0700, Eric Biggers wrote: > > On Sun, Sep 01, 2019 at 08:23:42PM -0700, 'Dmitry Vyukov' via syzkaller-bugs wrote: > > > On Sun, Sep 1, 2019 at 3:48 PM syzbot > > > <syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com> wrote: > > > > > > > > syzbot has found a reproducer for the following crash on: > > > > > > > > HEAD commit: 38320f69 Merge branch 'Minor-cleanup-in-devlink' > > > > git tree: net-next > > > > console output: https://syzkaller.appspot.com/x/log.txt?x=13d74356600000 > > > > kernel config: https://syzkaller.appspot.com/x/.config?x=1bbf70b6300045af > > > > dashboard link: https://syzkaller.appspot.com/bug?extid=83979935eb6304f8cd46 > > > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1008b232600000 > > > > > > Stack corruption + bpf maps in repro triggers some bells. +bpf mailing list. > > > > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > > > Reported-by: syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com > > > > > > > > Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: > > > > __lock_acquire+0x36fa/0x4c30 kernel/locking/lockdep.c:3907 > > > > CPU: 0 PID: 8662 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #153 > > > > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > > > > Google 01/01/2011 > > > > Call Trace: > > > > Kernel Offset: disabled > > > > Rebooting in 86400 seconds.. > > > > > > > > This is still reproducible on latest net tree, but using a different kconfig I > > was able to get a more informative crash output. Apparently tcp_bpf_unhash() is > > being called recursively. Anyone know why this might happen? > > > > This is using the syzkaller language reproducer linked above -- I ran it with: > > > > syz-execprog -threaded=1 -collide=1 -cover=0 -repeat=0 -procs=8 -sandbox=none -enable=net_dev,net_reset,tun syz_bpf.txt > > > > Crash report on net/master: > > > > PANIC: double fault, error_code: 0x0 > > CPU: 3 PID: 8328 Comm: syz-executor Not tainted 5.4.0-rc1-00118-ge497c20e2036 #31 > > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20191013_105130-anatol 04/01/2014 > > RIP: 0010:mark_lock+0x4/0x640 kernel/locking/lockdep.c:3631 > > Code: a2 7f 27 01 85 c0 0f 84 f3 42 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 83 fa 08 76 21 44 8b 25 ab > > RSP: 0018:ffffc9000010d000 EFLAGS: 00010046 > > RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 > > RDX: 0000000000000008 RSI: ffff888071f92dd8 RDI: ffff888071f92600 > > RBP: ffffc9000010d000 R08: 0000000000000000 R09: 0000000000022023 > > R10: 00000000000000c8 R11: 0000000000000000 R12: ffff888071f92600 > > R13: ffff888071f92dd8 R14: 0000000000000023 R15: 0000000000000000 > > FS: 00007ff9f7765700(0000) GS:ffff88807fd80000(0000) knlGS:0000000000000000 > > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > CR2: ffffc9000010cff8 CR3: 000000000221d000 CR4: 00000000003406e0 > > Call Trace: > > <IRQ> > > mark_usage kernel/locking/lockdep.c:3592 [inline] > > __lock_acquire+0x22f/0xf80 kernel/locking/lockdep.c:3909 > > lock_acquire+0x99/0x170 kernel/locking/lockdep.c:4487 > > rcu_lock_acquire include/linux/rcupdate.h:208 [inline] > > rcu_read_lock include/linux/rcupdate.h:599 [inline] > > tcp_bpf_unhash+0x33/0x1d0 net/ipv4/tcp_bpf.c:549 > > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > [...] > > Recursive tcp_bpf_unhash() also showed up in > "BUG: unable to handle kernel paging request in tls_prots" > (https://lkml.kernel.org/lkml/000000000000d7bcbb058c3758a1@google.com/T/) > which was claimed to be fixed by > "bpf: sockmap/tls, close can race with map free". > But that fix was months ago; this crash is on latest net tree. > Is anyone planning to look into this? This is still occurring on net-next (4 days ago). - Eric ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: kernel panic: stack is corrupted in __lock_acquire (4) 2019-11-19 5:29 ` Eric Biggers @ 2019-11-19 5:46 ` John Fastabend 0 siblings, 0 replies; 5+ messages in thread From: John Fastabend @ 2019-11-19 5:46 UTC (permalink / raw) To: Eric Biggers, bpf, netdev, Jakub Kicinski, John Fastabend, syzbot, LKML, Dmitry Vyukov, syzkaller-bugs Eric Biggers wrote: > On Thu, Oct 17, 2019 at 09:30:07AM -0700, Eric Biggers wrote: > > On Thu, Oct 17, 2019 at 09:25:05AM -0700, Eric Biggers wrote: > > > On Sun, Sep 01, 2019 at 08:23:42PM -0700, 'Dmitry Vyukov' via syzkaller-bugs wrote: > > > > On Sun, Sep 1, 2019 at 3:48 PM syzbot > > > > <syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com> wrote: > > > > > > > > > > syzbot has found a reproducer for the following crash on: > > > > > > > > > > HEAD commit: 38320f69 Merge branch 'Minor-cleanup-in-devlink' > > > > > git tree: net-next > > > > > console output: https://syzkaller.appspot.com/x/log.txt?x=13d74356600000 > > > > > kernel config: https://syzkaller.appspot.com/x/.config?x=1bbf70b6300045af > > > > > dashboard link: https://syzkaller.appspot.com/bug?extid=83979935eb6304f8cd46 > > > > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1008b232600000 > > > > > > > > Stack corruption + bpf maps in repro triggers some bells. +bpf mailing list. > > > > > > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > > > > Reported-by: syzbot+83979935eb6304f8cd46@syzkaller.appspotmail.com > > > > > > > > > > Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: > > > > > __lock_acquire+0x36fa/0x4c30 kernel/locking/lockdep.c:3907 > > > > > CPU: 0 PID: 8662 Comm: syz-executor.4 Not tainted 5.3.0-rc6+ #153 > > > > > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > > > > > Google 01/01/2011 > > > > > Call Trace: > > > > > Kernel Offset: disabled > > > > > Rebooting in 86400 seconds.. > > > > > > > > > > > This is still reproducible on latest net tree, but using a different kconfig I > > > was able to get a more informative crash output. Apparently tcp_bpf_unhash() is > > > being called recursively. Anyone know why this might happen? > > > > > > This is using the syzkaller language reproducer linked above -- I ran it with: > > > > > > syz-execprog -threaded=1 -collide=1 -cover=0 -repeat=0 -procs=8 -sandbox=none -enable=net_dev,net_reset,tun syz_bpf.txt > > > > > > Crash report on net/master: > > > > > > PANIC: double fault, error_code: 0x0 > > > CPU: 3 PID: 8328 Comm: syz-executor Not tainted 5.4.0-rc1-00118-ge497c20e2036 #31 > > > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20191013_105130-anatol 04/01/2014 > > > RIP: 0010:mark_lock+0x4/0x640 kernel/locking/lockdep.c:3631 > > > Code: a2 7f 27 01 85 c0 0f 84 f3 42 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 83 fa 08 76 21 44 8b 25 ab > > > RSP: 0018:ffffc9000010d000 EFLAGS: 00010046 > > > RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 > > > RDX: 0000000000000008 RSI: ffff888071f92dd8 RDI: ffff888071f92600 > > > RBP: ffffc9000010d000 R08: 0000000000000000 R09: 0000000000022023 > > > R10: 00000000000000c8 R11: 0000000000000000 R12: ffff888071f92600 > > > R13: ffff888071f92dd8 R14: 0000000000000023 R15: 0000000000000000 > > > FS: 00007ff9f7765700(0000) GS:ffff88807fd80000(0000) knlGS:0000000000000000 > > > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > > CR2: ffffc9000010cff8 CR3: 000000000221d000 CR4: 00000000003406e0 > > > Call Trace: > > > <IRQ> > > > mark_usage kernel/locking/lockdep.c:3592 [inline] > > > __lock_acquire+0x22f/0xf80 kernel/locking/lockdep.c:3909 > > > lock_acquire+0x99/0x170 kernel/locking/lockdep.c:4487 > > > rcu_lock_acquire include/linux/rcupdate.h:208 [inline] > > > rcu_read_lock include/linux/rcupdate.h:599 [inline] > > > tcp_bpf_unhash+0x33/0x1d0 net/ipv4/tcp_bpf.c:549 > > > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > > > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > > > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > > > tcp_bpf_unhash+0x19b/0x1d0 net/ipv4/tcp_bpf.c:554 > > [...] > > > > Recursive tcp_bpf_unhash() also showed up in > > "BUG: unable to handle kernel paging request in tls_prots" > > (https://lkml.kernel.org/lkml/000000000000d7bcbb058c3758a1@google.com/T/) > > which was claimed to be fixed by > > "bpf: sockmap/tls, close can race with map free". > > But that fix was months ago; this crash is on latest net tree. > > > > Is anyone planning to look into this? This is still occurring on net-next > (4 days ago). > > - Eric I'll take a look in the morning thanks. .John ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2019-11-19 6:00 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2019-09-02 3:23 ` kernel panic: stack is corrupted in __lock_acquire (4) Dmitry Vyukov
2019-10-17 16:25 ` Eric Biggers
2019-10-17 16:30 ` Eric Biggers
2019-11-19 5:29 ` Eric Biggers
2019-11-19 5:46 ` John Fastabend
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