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* [syzbot] WARNING in match_held_lock
@ 2022-07-03 19:59 syzbot
  2022-10-03  3:53 ` syzbot
  0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2022-07-03 19:59 UTC (permalink / raw)
  To: boqun.feng, linux-kernel, linux-usb, longman, mingo, peterz,
	syzkaller-bugs, will

Hello,

syzbot found the following issue on:

HEAD commit:    849f35422319 Merge tag 'thunderbolt-for-v5.20-rc1' of git:..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=12f9d498080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=33f1eaa5b20a699
dashboard link: https://syzkaller.appspot.com/bug?extid=6c67d4224af196c99976
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6c67d4224af196c99976@syzkaller.appspotmail.com

------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!hlock->nest_lock)
WARNING: CPU: 0 PID: 4591 at kernel/locking/lockdep.c:5135 match_held_lock+0xad/0xc0 kernel/locking/lockdep.c:5135
Modules linked in:
CPU: 0 PID: 4591 Comm: syz-executor.0 Not tainted 5.19.0-rc4-syzkaller-00090-g849f35422319 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:match_held_lock+0xad/0xc0 kernel/locking/lockdep.c:5135
Code: e8 f8 2d 24 fc 85 c0 74 e4 8b 05 a6 16 ef 02 85 c0 75 da 48 c7 c6 a0 95 47 86 48 c7 c7 20 92 47 86 89 44 24 04 e8 03 9a d1 ff <0f> 0b 8b 44 24 04 eb bd 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41
RSP: 0018:ffffc9000c997d50 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff88811600cb68 RCX: 0000000000000000
RDX: ffff88811600b900 RSI: ffffffff812c0fe8 RDI: fffff52001932f9c
RBP: ffffffff87a94640 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000003 R11: 776172206373696d R12: ffff88811600b900
R13: ffff88811600c2f8 R14: 00000000ffffffff R15: ffff88811600cb68
FS:  00007f684e67c700(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f684e639fc0 CR3: 00000001376c9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __lock_is_held kernel/locking/lockdep.c:5406 [inline]
 lock_is_held_type+0xa7/0x140 kernel/locking/lockdep.c:5708
 lock_is_held include/linux/lockdep.h:279 [inline]
 rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x480/0x570 kernel/locking/lockdep.c:5636
 do_write_seqcount_begin_nested include/linux/seqlock.h:516 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:541 [inline]
 vtime_task_switch_generic+0xb5/0x5a0 kernel/sched/cputime.c:768
 vtime_task_switch include/linux/vtime.h:95 [inline]
 finish_task_switch.isra.0+0x4e3/0xa10 kernel/sched/core.c:5020
 schedule_tail+0x7/0xd0 kernel/sched/core.c:5082
 ret_from_fork+0x8/0x30 arch/x86/entry/entry_64.S:287
 </TASK>


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [syzbot] WARNING in match_held_lock
  2022-07-03 19:59 [syzbot] WARNING in match_held_lock syzbot
@ 2022-10-03  3:53 ` syzbot
  0 siblings, 0 replies; 2+ messages in thread
From: syzbot @ 2022-10-03  3:53 UTC (permalink / raw)
  To: almaz.alexandrovich, boqun.feng, linux-kernel, linux-usb, llvm,
	longman, mingo, nathan, ndesaulniers, ntfs3, peterz,
	syzkaller-bugs, trix, will

syzbot has found a reproducer for the following issue on:

HEAD commit:    a962b54e162c Merge tag 'i2c-for-6.0-rc8' of git://git.kern..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11833a82880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=755695d26ad09807
dashboard link: https://syzkaller.appspot.com/bug?extid=6c67d4224af196c99976
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13b51e14880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10b33c68880000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/c0d6002d7b4b/disk-a962b54e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/cf0a29408406/vmlinux-a962b54e.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6c67d4224af196c99976@syzkaller.appspotmail.com

ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512)
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!hlock->nest_lock)
WARNING: CPU: 0 PID: 5565 at kernel/locking/lockdep.c:5135 match_held_lock+0xad/0xc0 kernel/locking/lockdep.c:5135
Modules linked in:
CPU: 0 PID: 5565 Comm: syz-executor151 Not tainted 6.0.0-rc7-syzkaller-00250-ga962b54e162c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:match_held_lock+0xad/0xc0 kernel/locking/lockdep.c:5135
Code: e8 b8 c4 7a fa 85 c0 74 e4 8b 05 26 e5 5e 04 85 c0 75 da 48 c7 c6 60 ac ec 89 48 c7 c7 e0 a8 ec 89 89 44 24 04 e8 45 e7 ba ff <0f> 0b 8b 44 24 04 eb bd 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41
RSP: 0018:ffffc900058c79d8 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff88807e390aa0 RCX: 0000000000000000
RDX: ffff88807e390000 RSI: ffffffff8161f2a8 RDI: fffff52000b18f2d
RBP: ffffffff8bf89640 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000001 R12: ffff88807e390000
R13: ffff88807e390a78 R14: 00000000ffffffff R15: ffff88807e390aa0
FS:  0000555556d9c300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbbd6497056 CR3: 0000000016c2f000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __lock_is_held kernel/locking/lockdep.c:5407 [inline]
 lock_is_held_type+0xa7/0x140 kernel/locking/lockdep.c:5709
 lock_is_held include/linux/lockdep.h:283 [inline]
 rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x560/0x780 kernel/locking/lockdep.c:5677
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:389 [inline]
 inode_sb_list_del fs/inode.c:505 [inline]
 evict+0x2aa/0x6b0 fs/inode.c:654
 iput_final fs/inode.c:1748 [inline]
 iput.part.0+0x55d/0x810 fs/inode.c:1774
 iput+0x58/0x70 fs/inode.c:1764
 ntfs_fill_super+0x2e89/0x37f0 fs/ntfs3/super.c:1190
 get_tree_bdev+0x440/0x760 fs/super.c:1323
 vfs_get_tree+0x89/0x2f0 fs/super.c:1530
 do_new_mount fs/namespace.c:3040 [inline]
 path_mount+0x1326/0x1e20 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbbd6459e7a
Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 c8 03 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd6a35b568 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbbd6459e7a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd6a35b580
RBP: 00007ffd6a35b580 R08: 00007ffd6a35b5c0 R09: 00007ffd6a35b5c0
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004
R13: 00007ffd6a35b5c0 R14: 000000000000010e R15: 0000000020001b50
 </TASK>


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2022-10-03  3:53 UTC | newest]

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2022-07-03 19:59 [syzbot] WARNING in match_held_lock syzbot
2022-10-03  3:53 ` syzbot

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