ci2 starts bisection 2023-04-19 09:01:06.380390247 +0000 UTC m=+11106.002461647
bisecting fixing commit since 8020ae3c051d1c9ec7b7a872e226f9720547649b
building syzkaller on 7939252e4ddf50bbb9912069a40d32f6c83c4f8e
ensuring issue is reproducible on original commit 8020ae3c051d1c9ec7b7a872e226f9720547649b

testing commit 8020ae3c051d1c9ec7b7a872e226f9720547649b gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 4191e3d3e9f94ff1fd364fd4063d58bd5463a0c2beb6a1dd239874382cb1ee53
all runs: crashed: WARNING in inc_nlink
testing current HEAD 4fdad925aa1a320c2f32bf956ed29100c7fdc464
testing commit 4fdad925aa1a320c2f32bf956ed29100c7fdc464 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e634b54e43bb4130cab94045fe6677d20a3e99b7d7d7ffd97eb394c2fe928f8c
all runs: crashed: WARNING in inc_nlink
revisions tested: 2, total time: 33m58.425414461s (build: 27m18.972970393s, test: 6m6.764437663s)
the crash still happens on HEAD
commit msg: Linux 5.15.107
crash: WARNING in inc_nlink
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4151 at fs/inode.c:364 inc_nlink+0xe4/0xf0
Modules linked in:
CPU: 1 PID: 4151 Comm: syz-executor.0 Not tainted 5.15.107-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:inc_nlink+0xe4/0xf0 fs/inode.c:364
Code: 89 ef e8 af 98 f0 ff e9 64 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 67 ff ff ff 4c 89 ef e8 91 98 f0 ff e9 5a ff ff ff <0f> 0b eb 88 0f 1f 84 00 00 00 00 00 41 57 41 56 53 48 89 fb 49 bf
RSP: 0018:ffffc90002b2fb90 EFLAGS: 00010246
RAX: 1ffff1100e75d01b RBX: 1ffff1100e75d009 RCX: ffffffff82926342
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888073ae8000
RBP: ffffc90002b2fd20 R08: dffffc0000000000 R09: ffffed100f235958
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888073ae8048 R14: ffff888073ae8000 R15: ffff888073ae80d8
FS:  00007ff19d87d700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001140 CR3: 00000000183db000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fuse_link+0x338/0x560 fs/fuse/dir.c:939
 vfs_link+0x489/0x630 fs/namei.c:4486
 do_linkat+0x321/0x870 fs/namei.c:4557
 __do_sys_link fs/namei.c:4591 [inline]
 __se_sys_link fs/namei.c:4589 [inline]
 __x64_sys_link+0x7d/0x90 fs/namei.c:4589
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7ff19e50b0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007ff19d87d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007ff19e62af80 RCX: 00007ff19e50b0f9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040
RBP: 00007ff19e566b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe5c919d3f R14: 00007ff19d87d300 R15: 0000000000022000
 </TASK>