ci2 starts bisection 2022-11-17 03:43:35.133980203 +0000 UTC m=+105072.730878827
bisecting fixing commit since 44b8b2ac1d962d045c39c4109b428a6e8fef5c6d
building syzkaller on 67cb024cd1a3c95e311263a5c95e957f9abfd8ca
ensuring issue is reproducible on original commit 44b8b2ac1d962d045c39c4109b428a6e8fef5c6d

testing commit 44b8b2ac1d962d045c39c4109b428a6e8fef5c6d gcc
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 280c76930973a92eda72a86490e28767dbf433eaf29cc1ff60033d1bb54d8e95
all runs: crashed: kernel BUG in notify_change
testing current HEAD 4ec71a9ec7698108e0ad7d59ef41df064cc72049
testing commit 4ec71a9ec7698108e0ad7d59ef41df064cc72049 gcc
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8248dbebee50d08464d7653fa21850c53e073af1975e9a795a3e86a9c3435a27
all runs: crashed: kernel BUG in notify_change
revisions tested: 2, total time: 19m1.74691654s (build: 12m43.518110624s, test: 5m55.304292015s)
the crash still happens on HEAD
commit msg: ANDROID: cpu/hotplug: call perf event through function pointer
crash: kernel BUG in notify_change
------------[ cut here ]------------
kernel BUG at fs/attr.c:377!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 462 Comm: syz-executor.0 Not tainted 5.15.74-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:notify_change+0xd52/0xd60 fs/attr.c:377
Code: 38 c1 0f 8c 62 fc ff ff 4c 89 e7 e8 18 66 f2 ff 8b 75 c8 4c 8b 45 c0 48 8b 7d d0 48 ba 00 00 00 00 00 fc ff df e9 40 fc ff ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc9000053fae8 EFLAGS: 00010202
RAX: 1ffff920000a7fae RBX: ffffc9000053fd70 RCX: 000000002e7ddd7a
RDX: dffffc0000000000 RSI: 0000000000008bc0 RDI: ffff88810963ded8
RBP: ffffc9000053fb70 R08: 1ffff920000a7fa8 R09: ffffc9000053fa60
R10: fffff520000a7f4e R11: 1ffff920000a7f4c R12: ffffc9000053fd40
R13: ffffffff85ce7400 R14: 000000002e7ddd7a R15: ffff88810c708220
FS:  00007f0826275700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560cc02ebb98 CR3: 00000001214ec000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 incfs_setattr+0x18c/0x320 fs/incfs/vfs.c:1628
 notify_change+0xa23/0xd60 fs/attr.c:426
 chown_common+0x49b/0x760 fs/open.c:681
 do_fchownat+0x129/0x1d0 fs/open.c:712
 __do_sys_chown fs/open.c:732 [inline]
 __se_sys_chown fs/open.c:730 [inline]
 __x64_sys_chown+0x7d/0x90 fs/open.c:730
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f08263015a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0826275168 EFLAGS: 00000246 ORIG_RAX: 000000000000005c
RAX: ffffffffffffffda RBX: 00007f0826421f80 RCX: 00007f08263015a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000300
RBP: 00007f082635c580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6ec24baf R14: 00007f0826275300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 38438c13d73159f9 ]---
RIP: 0010:notify_change+0xd52/0xd60 fs/attr.c:377
Code: 38 c1 0f 8c 62 fc ff ff 4c 89 e7 e8 18 66 f2 ff 8b 75 c8 4c 8b 45 c0 48 8b 7d d0 48 ba 00 00 00 00 00 fc ff df e9 40 fc ff ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc9000053fae8 EFLAGS: 00010202
RAX: 1ffff920000a7fae RBX: ffffc9000053fd70 RCX: 000000002e7ddd7a
RDX: dffffc0000000000 RSI: 0000000000008bc0 RDI: ffff88810963ded8
RBP: ffffc9000053fb70 R08: 1ffff920000a7fa8 R09: ffffc9000053fa60
R10: fffff520000a7f4e R11: 1ffff920000a7f4c R12: ffffc9000053fd40
R13: ffffffff85ce7400 R14: 000000002e7ddd7a R15: ffff88810c708220
FS:  00007f0826275700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560cc02fdae0 CR3: 00000001214ec000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400