From: syzbot <syzbot+9a5e789e4725b9ef1316@syzkaller.appspotmail.com> To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, dan.carpenter@oracle.com, davem@davemloft.net, eparis@redhat.com, fzago@cray.com, gregkh@linuxfoundation.org, john.hammond@intel.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, paul@paul-moore.com, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com Subject: kernel panic: audit: backlog limit exceeded Date: Mon, 24 Feb 2020 00:18:14 -0800 [thread overview] Message-ID: <0000000000003cbb40059f4e0346@google.com> (raw) Hello, syzbot found the following crash on: HEAD commit: 36a44bcd Merge branch 'bnxt_en-shutdown-and-kexec-kdump-re.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=148bfdd9e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=768cc3d3e277cc16 dashboard link: https://syzkaller.appspot.com/bug?extid=9a5e789e4725b9ef1316 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=151b1109e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=128bfdd9e00000 The bug was bisected to: commit 0c1b9970ddd4cc41002321c3877e7f91aacb896d Author: Dan Carpenter <dan.carpenter@oracle.com> Date: Fri Jul 28 14:42:27 2017 +0000 staging: lustre: lustre: Off by two in lmv_fid2path() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17e6c3e9e00000 final crash: https://syzkaller.appspot.com/x/report.txt?x=1416c3e9e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1016c3e9e00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+9a5e789e4725b9ef1316@syzkaller.appspotmail.com Fixes: 0c1b9970ddd4 ("staging: lustre: lustre: Off by two in lmv_fid2path()") audit: audit_backlog=13 > audit_backlog_limit=7 audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=7 Kernel panic - not syncing: audit: backlog limit exceeded CPU: 1 PID: 9913 Comm: syz-executor024 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 audit_panic.cold+0x32/0x32 kernel/audit.c:307 audit_log_lost kernel/audit.c:377 [inline] audit_log_lost+0x8b/0x180 kernel/audit.c:349 audit_log_start kernel/audit.c:1788 [inline] audit_log_start+0x70e/0x7c0 kernel/audit.c:1745 audit_log+0x95/0x120 kernel/audit.c:2345 xt_replace_table+0x61d/0x830 net/netfilter/x_tables.c:1413 __do_replace+0x1da/0x950 net/ipv6/netfilter/ip6_tables.c:1084 do_replace net/ipv6/netfilter/ip6_tables.c:1157 [inline] do_ip6t_set_ctl+0x33a/0x4c8 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline] ipv6_setsockopt+0x147/0x180 net/ipv6/ipv6_sockglue.c:933 tcp_setsockopt net/ipv4/tcp.c:3165 [inline] tcp_setsockopt+0x8f/0xe0 net/ipv4/tcp.c:3159 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149 __sys_setsockopt+0x261/0x4c0 net/socket.c:2130 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44720a Code: 49 89 ca b8 37 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1a e0 fb ff c3 66 0f 1f 84 00 00 00 00 00 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fa df fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007ffd032dec78 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044720a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007ffd032deda0 R08: 00000000000003b8 R09: 0000000000004000 R10: 00000000006d7b40 R11: 0000000000000286 R12: 00007ffd032deca0 R13: 00000000006d9d60 R14: 0000000000000029 R15: 00000000006d7ba0 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches
WARNING: multiple messages have this Message-ID (diff)
From: syzbot <syzbot+9a5e789e4725b9ef1316@syzkaller.appspotmail.com> To: a@unstable.cc, b.a.t.m.a.n@diktynna.open-mesh.org, dan.carpenter@oracle.com, davem@davemloft.net, eparis@redhat.com, fzago@cray.com, gregkh@linuxfoundation.org, john.hammond@intel.com, linux-audit@redhat.com, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, paul@paul-moore.com, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com Subject: kernel panic: audit: backlog limit exceeded Date: Mon, 24 Feb 2020 00:18:14 -0800 [thread overview] Message-ID: <0000000000003cbb40059f4e0346@google.com> (raw) Message-ID: <20200224081814.2aCh9p-ajEa3OqWRtlQO9LJKjM7vud5TvqneNTxoadI@z> (raw) Hello, syzbot found the following crash on: HEAD commit: 36a44bcd Merge branch 'bnxt_en-shutdown-and-kexec-kdump-re.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=148bfdd9e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=768cc3d3e277cc16 dashboard link: https://syzkaller.appspot.com/bug?extid=9a5e789e4725b9ef1316 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=151b1109e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=128bfdd9e00000 The bug was bisected to: commit 0c1b9970ddd4cc41002321c3877e7f91aacb896d Author: Dan Carpenter <dan.carpenter@oracle.com> Date: Fri Jul 28 14:42:27 2017 +0000 staging: lustre: lustre: Off by two in lmv_fid2path() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17e6c3e9e00000 final crash: https://syzkaller.appspot.com/x/report.txt?x=1416c3e9e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1016c3e9e00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+9a5e789e4725b9ef1316@syzkaller.appspotmail.com Fixes: 0c1b9970ddd4 ("staging: lustre: lustre: Off by two in lmv_fid2path()") audit: audit_backlog=13 > audit_backlog_limit=7 audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=7 Kernel panic - not syncing: audit: backlog limit exceeded CPU: 1 PID: 9913 Comm: syz-executor024 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 audit_panic.cold+0x32/0x32 kernel/audit.c:307 audit_log_lost kernel/audit.c:377 [inline] audit_log_lost+0x8b/0x180 kernel/audit.c:349 audit_log_start kernel/audit.c:1788 [inline] audit_log_start+0x70e/0x7c0 kernel/audit.c:1745 audit_log+0x95/0x120 kernel/audit.c:2345 xt_replace_table+0x61d/0x830 net/netfilter/x_tables.c:1413 __do_replace+0x1da/0x950 net/ipv6/netfilter/ip6_tables.c:1084 do_replace net/ipv6/netfilter/ip6_tables.c:1157 [inline] do_ip6t_set_ctl+0x33a/0x4c8 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x77/0xd0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt net/ipv6/ipv6_sockglue.c:949 [inline] ipv6_setsockopt+0x147/0x180 net/ipv6/ipv6_sockglue.c:933 tcp_setsockopt net/ipv4/tcp.c:3165 [inline] tcp_setsockopt+0x8f/0xe0 net/ipv4/tcp.c:3159 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149 __sys_setsockopt+0x261/0x4c0 net/socket.c:2130 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44720a Code: 49 89 ca b8 37 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 1a e0 fb ff c3 66 0f 1f 84 00 00 00 00 00 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fa df fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007ffd032dec78 EFLAGS: 00000286 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044720a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007ffd032deda0 R08: 00000000000003b8 R09: 0000000000004000 R10: 00000000006d7b40 R11: 0000000000000286 R12: 00007ffd032deca0 R13: 00000000006d9d60 R14: 0000000000000029 R15: 00000000006d7ba0 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches -- Linux-audit mailing list Linux-audit@redhat.com https://www.redhat.com/mailman/listinfo/linux-audit
next reply other threads:[~2020-02-24 8:18 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-24 8:18 syzbot [this message] 2020-02-24 8:18 ` kernel panic: audit: backlog limit exceeded syzbot 2020-02-24 22:38 ` Paul Moore 2020-02-24 22:38 ` Paul Moore 2020-02-24 22:43 ` Eric Paris 2020-02-24 22:43 ` Eric Paris 2020-02-24 22:43 ` Eric Paris 2020-02-24 22:46 ` Paul Moore 2020-02-24 22:46 ` Paul Moore [not found] ` <CAHC9VhQnbdJprbdTa_XcgUJaiwhzbnGMWJqHczU54UMk0AFCtw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2020-02-27 15:39 ` (unknown) Dmitry Vyukov via B.A.T.M.A.N 2020-02-27 15:39 ` kernel panic: audit: backlog limit exceeded Dmitry Vyukov 2020-02-27 15:39 ` Dmitry Vyukov 2020-02-28 0:14 ` Paul Moore 2020-02-28 0:14 ` Paul Moore 2020-02-28 10:03 ` Tetsuo Handa 2020-02-28 13:08 ` Paul Moore 2020-03-02 8:47 ` Dmitry Vyukov 2020-03-02 13:43 ` Paul Moore 2020-03-02 14:25 ` Dmitry Vyukov 2020-03-02 8:42 ` Dmitry Vyukov 2020-03-02 8:42 ` Dmitry Vyukov
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