syzbot


WARNING in tracepoint_probe_register_prio

Status: auto-closed as invalid on 2020/02/22 11:16
Reported-by: syzbot+3d7758676b7a4e6f1cd4@syzkaller.appspotmail.com
First crash: 1277d, last: 1141d
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in tracepoint_probe_register_prio C 830 1734d 1869d 4/24 fixed on 2018/03/12 10:10
upstream WARNING in tracepoint_probe_register_prio (3) syz done 979 1028d 1666d 16/24 fixed on 2020/02/18 14:31
upstream WARNING in tracepoint_probe_register_prio (4) C done unreliable 542 516d 1019d 0/24 auto-obsoleted due to no activity on 2022/09/28 15:12
upstream WARNING in tracepoint_probe_register_prio (2) C 849 1668d 1733d 6/24 fixed on 2018/05/16 09:57
linux-4.14 WARNING in tracepoint_probe_register_prio (2) 3 873d 961d 0/1 auto-closed as invalid on 2020/11/16 10:46
linux-4.19 WARNING in tracepoint_probe_register_prio 39 901d 1328d 0/1 auto-closed as invalid on 2020/10/20 00:42

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 32462 at kernel/tracepoint.c:210 tracepoint_add_func kernel/tracepoint.c:210 [inline]
WARNING: CPU: 0 PID: 32462 at kernel/tracepoint.c:210 tracepoint_probe_register_prio+0x1e5/0x6d0 kernel/tracepoint.c:283
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 32462 Comm: syz-executor.0 Not tainted 4.14.150 #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+0x138/0x197 lib/dump_stack.c:53
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x2f/0x2f kernel/panic.c:547
 report_bug+0x216/0x254 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+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:tracepoint_add_func kernel/tracepoint.c:210 [inline]
RIP: 0010:tracepoint_probe_register_prio+0x1e5/0x6d0 kernel/tracepoint.c:283
RSP: 0018:ffff8881fdd57b50 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffffffff88231680 RCX: ffffc9000a87a000
RDX: 0000000000000842 RSI: ffffffff815e1f25 RDI: ffff88809af3aeb0
RBP: ffff8881fdd57ba8 R08: dffffc0000000000 R09: ffffffff88cb60a0
R10: ffff8881fdd57b40 R11: ffff88805475c6c0 R12: ffff88809af3ae90
R13: 00000000ffffffef R14: 00000000ffffffff R15: ffffffff82c54360
 tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:304
 trace_event_reg+0x277/0x330 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+0x449/0xaa0 kernel/trace/trace_event_perf.c:221
 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106
 perf_try_init_event+0x164/0x200 kernel/events/core.c:9342
 perf_init_event kernel/events/core.c:9380 [inline]
 perf_event_alloc.part.0+0xd90/0x25b0 kernel/events/core.c:9640
 perf_event_alloc kernel/events/core.c:9993 [inline]
 SYSC_perf_event_open+0xad1/0x2690 kernel/events/core.c:10097
 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459ef9
RSP: 002b:00007fd4996b7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fd4996b7c90 RCX: 0000000000459ef9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fd4996b86d4
R13: 00000000004c710d R14: 00000000004dc930 R15: 0000000000000003
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/10/25 11:15 linux-4.14.y b98aebd29824 d01bb02a .config log report
ci2-linux-4-14 2019/08/31 18:57 linux-4.14.y 01fd1694b93c bad3cce2 .config log report
ci2-linux-4-14 2019/08/30 12:03 linux-4.14.y 01fd1694b93c cd626f3b .config log report
ci2-linux-4-14 2019/08/22 00:04 linux-4.14.y 45f092f9e9cb 4ea67ff8 .config log report
ci2-linux-4-14 2019/06/22 18:20 linux-4.14.y a5758c531177 34bf9440 .config log report
ci2-linux-4-14 2019/06/11 05:53 linux-4.14.y e6a95d8851f1 0159583c .config log report
* Struck through repros no longer work on HEAD.