syzbot


WARNING in tracepoint_probe_register_prio (2)

Status: auto-closed as invalid on 2020/11/16 10:46
Reported-by: syzbot+ab75b858fdfbf827606e@syzkaller.appspotmail.com
First crash: 805d, last: 718d
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in tracepoint_probe_register_prio 6 986d 1122d 0/1 auto-closed as invalid on 2020/02/22 11:16
upstream WARNING in tracepoint_probe_register_prio C 830 1578d 1714d 4/22 fixed on 2018/03/12 10:10
upstream WARNING in tracepoint_probe_register_prio (3) syz done 979 873d 1511d 16/22 fixed on 2020/02/18 14:31
upstream WARNING in tracepoint_probe_register_prio (4) C done unreliable 542 360d 864d 0/22 upstream: reported C repro on 2020/02/24 15:50
upstream WARNING in tracepoint_probe_register_prio (2) C 849 1513d 1577d 6/22 fixed on 2018/05/16 09:57
linux-4.19 WARNING in tracepoint_probe_register_prio 39 745d 1173d 0/1 auto-closed as invalid on 2020/10/20 00:42

Sample crash report:
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 00007f3a3a4e5ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffe7dfa2f6f R14: 00007f3a3a4e69c0 R15: 000000000078bf0c
------------[ cut here ]------------
WARNING: CPU: 0 PID: 19101 at kernel/tracepoint.c:210 tracepoint_add_func kernel/tracepoint.c:210 [inline]
WARNING: CPU: 0 PID: 19101 at kernel/tracepoint.c:210 tracepoint_probe_register_prio+0x1ed/0x6d0 kernel/tracepoint.c:283
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 19101 Comm: syz-executor.0 Not tainted 4.14.184-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x2f/0x30 kernel/panic.c:547
 report_bug+0x20a/0x248 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:tracepoint_add_func kernel/tracepoint.c:210 [inline]
RIP: 0010:tracepoint_probe_register_prio+0x1ed/0x6d0 kernel/tracepoint.c:283
RSP: 0018:ffff8880560a7bd8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffffffff886da600 RCX: ffffc9000867e000
RDX: 00000000000017e8 RSI: ffffffff815bbe0d RDI: ffff88809f0a0eb0
RBP: ffff88809f0a0e90 R08: ffffffff8a381c00 R09: ffffffff89e69008
R10: ffff8880560a7bd8 R11: ffff8880550b4380 R12: 00000000ffffffef
R13: 0000000000000001 R14: 00000000ffffffff R15: ffffffff813d4940
 trace_event_reg+0x272/0x330 kernel/trace/trace_events.c:305
 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline]
 perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline]
 perf_trace_init+0x424/0xa50 kernel/trace/trace_event_perf.c:221
 perf_tp_event_init+0x79/0xf0 kernel/events/core.c:8127
 perf_try_init_event+0x15b/0x1f0 kernel/events/core.c:9363
 perf_init_event kernel/events/core.c:9401 [inline]
 perf_event_alloc.part.0+0xdd4/0x25c0 kernel/events/core.c:9661
 perf_event_alloc kernel/events/core.c:10014 [inline]
 SYSC_perf_event_open kernel/events/core.c:10118 [inline]
 SyS_perf_event_open+0x68c/0x24b0 kernel/events/core.c:10004
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45c1d9
RSP: 002b:00007fe1eaf75c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 0000000000022940 RCX: 000000000045c1d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000078bf0c
R13: 00007fff4792244f R14: 00007fe1eaf769c0 R15: 000000000078bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/07/19 10:45 linux-4.14.y b850307b279c 9c812472 .config log report
ci2-linux-4-14 2020/06/16 02:43 linux-4.14.y b850307b279c baca2611 .config log report
ci2-linux-4-14 2020/04/23 01:42 linux-4.14.y c10b57a567e4 2e44d63e .config log report