bisecting fixing commit since e8878ab825450c9ac07a0fc22e1f66fdb62b4f72
building syzkaller on 79fb24e23d3bc27ad2cbb1595e76860ef9743d86
testing commit e8878ab825450c9ac07a0fc22e1f66fdb62b4f72 with gcc (GCC) 8.1.0
kernel signature: b6238250c054b7a6a99988feb88ccb7e7c0012c23056387c23716699b68c8d50
all runs: crashed: WARNING in tracepoint_probe_register_prio
testing current HEAD e609571b5ffa3528bf85292de1ceaddac342bc1c
testing commit e609571b5ffa3528bf85292de1ceaddac342bc1c with gcc (GCC) 8.1.0
kernel signature: f6a3f813b9e7d8c6a6494d54cffef2fe5e5088c8c78e3199927577e99f222e1e
all runs: crashed: WARNING in tracepoint_probe_register_prio
revisions tested: 2, total time: 22m13.870746082s (build: 9m43.60995157s, test: 11m55.731780792s)
the crash still happens on HEAD
commit msg: Merge tag 'nfs-for-5.11-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
crash: WARNING in tracepoint_probe_register_prio
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1154 at kernel/tracepoint.c:266 func_add kernel/tracepoint.c:147 [inline]
WARNING: CPU: 0 PID: 1154 at kernel/tracepoint.c:266 tracepoint_add_func kernel/tracepoint.c:264 [inline]
WARNING: CPU: 0 PID: 1154 at kernel/tracepoint.c:266 tracepoint_probe_register_prio+0xb6/0x350 kernel/tracepoint.c:342
Modules linked in:
CPU: 0 PID: 1154 Comm: syz-executor810 Not tainted 5.11.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:tracepoint_add_func kernel/tracepoint.c:266 [inline]
RIP: 0010:tracepoint_probe_register_prio+0xb6/0x350 kernel/tracepoint.c:342
Code: 32 48 85 f6 0f 84 a2 00 00 00 89 c8 45 85 c0 79 08 44 3b 6a 10 44 0f 4f c0 48 39 f5 75 d2 4c 3b 62 08 75 cc 41 be ef ff ff ff <0f> 0b 48 c7 c7 a0 9c 5e 84 e8 8c e1 e5 01 44 89 f0 48 83 c4 28 5b
RSP: 0018:ffffc90000303d30 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff848e3d80 RCX: 0000000000000001
RDX: ffff88810f428810 RSI: ffffffff81268df0 RDI: 0000000000000282
RBP: ffffffff81268df0 R08: 00000000ffffffff R09: 0000000000000000
R10: ffffc90000303d30 R11: ffff88810f3f8b80 R12: ffffc900001af000
R13: 000000000000000a R14: 00000000ffffffef R15: ffff88810f428810
FS:  00007f38aaab9700(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdc8e3ddd0 CR3: 0000000116b64001 CR4: 00000000001706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_raw_tracepoint_open+0x18e/0x1f0 kernel/bpf/syscall.c:2866
 __do_sys_bpf+0xf90/0x1e70 kernel/bpf/syscall.c:4422
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446ba9
Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f38aaab8da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446ba9
RDX: 0000000000000010 RSI: 00000000200001c0 RDI: 0000000000000011
RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c
R13: 0000000020000100 R14: 00000000004aeba0 R15: 0000000000000064