ci2 starts bisection 2023-06-13 07:26:51.043315717 +0000 UTC m=+18024.736006464
bisecting fixing commit since 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95
building syzkaller on 90c93c40627cb0ac3c2c7cb99d807fd4c137adcb
ensuring issue is reproducible on original commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95

testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 79266f889b7e660e7b64fc7fda120c6bc9093d29b99a37ef3c387247b668db12
all runs: crashed: WARNING in inc_nlink
testing current HEAD 7349e40704a0209a2af8b37fa876322209de9684
testing commit 7349e40704a0209a2af8b37fa876322209de9684 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 49b69ba69cdfb0085e8d35dfade99a7330b202bcbce4ff2aec82dcc07b08acc1
run #0: crashed: WARNING in inc_nlink
run #1: crashed: WARNING in inc_nlink
run #2: crashed: WARNING in inc_nlink
run #3: crashed: WARNING in inc_nlink
run #4: crashed: WARNING in inc_nlink
run #5: crashed: WARNING in inc_nlink
run #6: crashed: WARNING in inc_nlink
run #7: crashed: WARNING in inc_nlink
run #8: crashed: WARNING in inc_nlink
run #9: basic kernel testing failed: timed out
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 30m42.254542998s (build: 23m13.199528546s, test: 7m1.712495239s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 5.15.116
crash: WARNING in inc_nlink
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3961 at fs/inode.c:364 inc_nlink+0x126/0x150 fs/inode.c:368
Modules linked in:
CPU: 0 PID: 3961 Comm: syz-executor.0 Not tainted 5.15.116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:inc_nlink+0x126/0x150 fs/inode.c:364
Code: ef 89 44 24 04 e8 fa 05 f0 ff 8b 44 24 04 e9 4d ff ff ff 48 89 ef e8 79 05 f0 ff e9 14 ff ff ff 48 89 ef e8 6c 05 f0 ff eb cc <0f> 0b e9 6a ff ff ff e8 6e 05 f0 ff e9 53 ff ff ff e8 64 05 f0 ff
RSP: 0018:ffffc90002a4fc40 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880720d8000 RCX: 1ffff1100e41b098
RDX: 1ffff1100e41b01b RSI: 0000000000000008 RDI: ffff8880720d80d8
RBP: ffff8880720d8048 R08: 0000000000000001 R09: ffff888075ff52bf
R10: ffffed100ebfea57 R11: 0000000000000001 R12: ffff8880720d8000
R13: 1ffff92000549f8f R14: 0000000000000000 R15: ffff8880720d85e0
FS:  00007f456d47f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001140 CR3: 0000000074b72000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fuse_link+0x304/0x530 fs/fuse/dir.c:944
 vfs_link+0x52a/0xa10 fs/namei.c:4486
 do_linkat+0x345/0x520 fs/namei.c:4557
 __do_sys_link fs/namei.c:4591 [inline]
 __se_sys_link fs/namei.c:4589 [inline]
 __x64_sys_link+0x78/0x90 fs/namei.c:4589
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f456e10d169
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:00007f456d47f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007f456e22cf80 RCX: 00007f456e10d169
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040
RBP: 00007f456e168ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdffb3a12f R14: 00007f456d47f300 R15: 0000000000022000
 </TASK>