Warning: Permanently added '10.128.0.210' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.281035][ T3594] ------------[ cut here ]------------ [ 34.286800][ T3594] WARNING: CPU: 0 PID: 3594 at fs/inode.c:388 inc_nlink+0x144/0x160 [ 34.294898][ T3594] Modules linked in: [ 34.298779][ T3594] CPU: 0 PID: 3594 Comm: syz-executor248 Not tainted 5.17.0-rc7-syzkaller-00235-gaad611a868d1 #0 [ 34.309479][ T3594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.319554][ T3594] RIP: 0010:inc_nlink+0x144/0x160 [ 34.324653][ T3594] Code: ff 4c 89 e7 e8 bd 98 ec ff e9 42 ff ff ff 4c 89 e7 e8 40 98 ec ff e9 fc fe ff ff 4c 89 e7 e8 33 98 ec ff eb d4 e8 9c 1e a5 ff <0f> 0b e9 6e ff ff ff e8 30 98 ec ff e9 44 ff ff ff e8 26 98 ec ff [ 34.344326][ T3594] RSP: 0018:ffffc90001a5fcc0 EFLAGS: 00010293 [ 34.350393][ T3594] RAX: 0000000000000000 RBX: ffff8880739e80b8 RCX: 0000000000000000 [ 34.358580][ T3594] RDX: ffff888022841d00 RSI: ffffffff81d3a194 RDI: 0000000000000003 [ 34.366605][ T3594] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880739e870b [ 34.374615][ T3594] R10: ffffffff81d3a100 R11: 0000000000000002 R12: ffff8880739e8100 [ 34.382583][ T3594] R13: ffff8880757a0178 R14: ffff8880739e8680 R15: ffff888015982c00 [ 34.390597][ T3594] FS: 00005555558263c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 34.399568][ T3594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.406185][ T3594] CR2: 000055e89db13eb0 CR3: 000000007f22c000 CR4: 0000000000350ef0 [ 34.414171][ T3594] Call Trace: [ 34.417433][ T3594] [ 34.420342][ T3594] v9fs_vfs_mkdir_dotl+0x478/0x770 [ 34.425486][ T3594] ? v9fs_vfs_create_dotl+0x30/0x30 [ 34.430680][ T3594] ? capable_wrt_inode_uidgid+0xe6/0x170 [ 34.436373][ T3594] ? generic_permission+0x1d8/0x770 [ 34.441586][ T3594] ? from_kgid+0x87/0xc0 [ 34.445863][ T3594] ? security_inode_permission+0xc5/0xf0 [ 34.451509][ T3594] ? inode_permission.part.0+0xb5/0x670 [ 34.457095][ T3594] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 34.463423][ T3594] vfs_mkdir+0x1c3/0x3b0 [ 34.467745][ T3594] do_mkdirat+0x285/0x300 [ 34.472069][ T3594] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 34.478390][ T3594] ? __ia32_sys_mknod+0xa0/0xa0 [ 34.483466][ T3594] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 34.489713][ T3594] ? getname_flags.part.0+0x1dd/0x4f0 [ 34.495107][ T3594] __x64_sys_mkdir+0xf2/0x140 [ 34.499806][ T3594] do_syscall_64+0x35/0xb0 [ 34.504285][ T3594] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 34.510173][ T3594] RIP: 0033:0x7f2b6a843829 [ 34.514609][ T3594] Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.534243][ T3594] RSP: 002b:00007ffff180fc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 34.543496][ T3594] RAX: ffffffffffffffda RBX: 00007ffff180fc38 RCX: 00007f2b6a843829 [ 34.551459][ T3594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 [ 34.559448][ T3594] RBP: 00007ffff180fc30 R08: 00007f2b6a801af0 R09: 00007f2b6a801af0 [ 34.567449][ T3594] R10: 0000000020000340 R11: 0000000000000246 R12: 0000000000000000 [ 34.575609][ T3594] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.583606][ T3594] [ 34.586605][ T3594] Kernel panic - not syncing: panic_on_warn set ... [ 34.593160][ T3594] CPU: 0 PID: 3594 Comm: syz-executor248 Not tainted 5.17.0-rc7-syzkaller-00235-gaad611a868d1 #0 [ 34.603978][ T3594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.614007][ T3594] Call Trace: [ 34.617266][ T3594] [ 34.620433][ T3594] dump_stack_lvl+0xcd/0x134 [ 34.625004][ T3594] panic+0x2b0/0x6dd [ 34.628874][ T3594] ? __warn_printk+0xf3/0xf3 [ 34.633441][ T3594] ? __warn.cold+0x1d1/0x2cf [ 34.638005][ T3594] ? inc_nlink+0x144/0x160 [ 34.642399][ T3594] __warn.cold+0x1ec/0x2cf [ 34.646789][ T3594] ? inc_nlink+0x144/0x160 [ 34.651184][ T3594] report_bug+0x1bd/0x210 [ 34.655496][ T3594] handle_bug+0x3c/0x60 [ 34.659717][ T3594] exc_invalid_op+0x14/0x40 [ 34.664212][ T3594] asm_exc_invalid_op+0x12/0x20 [ 34.669220][ T3594] RIP: 0010:inc_nlink+0x144/0x160 [ 34.674234][ T3594] Code: ff 4c 89 e7 e8 bd 98 ec ff e9 42 ff ff ff 4c 89 e7 e8 40 98 ec ff e9 fc fe ff ff 4c 89 e7 e8 33 98 ec ff eb d4 e8 9c 1e a5 ff <0f> 0b e9 6e ff ff ff e8 30 98 ec ff e9 44 ff ff ff e8 26 98 ec ff [ 34.693919][ T3594] RSP: 0018:ffffc90001a5fcc0 EFLAGS: 00010293 [ 34.699985][ T3594] RAX: 0000000000000000 RBX: ffff8880739e80b8 RCX: 0000000000000000 [ 34.707930][ T3594] RDX: ffff888022841d00 RSI: ffffffff81d3a194 RDI: 0000000000000003 [ 34.715877][ T3594] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880739e870b [ 34.723822][ T3594] R10: ffffffff81d3a100 R11: 0000000000000002 R12: ffff8880739e8100 [ 34.731769][ T3594] R13: ffff8880757a0178 R14: ffff8880739e8680 R15: ffff888015982c00 [ 34.739719][ T3594] ? inc_nlink+0xb0/0x160 [ 34.744048][ T3594] ? inc_nlink+0x144/0x160 [ 34.748447][ T3594] v9fs_vfs_mkdir_dotl+0x478/0x770 [ 34.753537][ T3594] ? v9fs_vfs_create_dotl+0x30/0x30 [ 34.758709][ T3594] ? capable_wrt_inode_uidgid+0xe6/0x170 [ 34.764321][ T3594] ? generic_permission+0x1d8/0x770 [ 34.769497][ T3594] ? from_kgid+0x87/0xc0 [ 34.773716][ T3594] ? security_inode_permission+0xc5/0xf0 [ 34.779330][ T3594] ? inode_permission.part.0+0xb5/0x670 [ 34.784860][ T3594] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 34.791103][ T3594] vfs_mkdir+0x1c3/0x3b0 [ 34.795329][ T3594] do_mkdirat+0x285/0x300 [ 34.799635][ T3594] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 34.805852][ T3594] ? __ia32_sys_mknod+0xa0/0xa0 [ 34.810679][ T3594] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 34.816894][ T3594] ? getname_flags.part.0+0x1dd/0x4f0 [ 34.822254][ T3594] __x64_sys_mkdir+0xf2/0x140 [ 34.826921][ T3594] do_syscall_64+0x35/0xb0 [ 34.831318][ T3594] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 34.837185][ T3594] RIP: 0033:0x7f2b6a843829 [ 34.841575][ T3594] Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.861172][ T3594] RSP: 002b:00007ffff180fc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 34.869931][ T3594] RAX: ffffffffffffffda RBX: 00007ffff180fc38 RCX: 00007f2b6a843829 [ 34.877879][ T3594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 [ 34.885824][ T3594] RBP: 00007ffff180fc30 R08: 00007f2b6a801af0 R09: 00007f2b6a801af0 [ 34.893785][ T3594] R10: 0000000020000340 R11: 0000000000000246 R12: 0000000000000000 [ 34.901732][ T3594] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 34.909689][ T3594] [ 34.913596][ T3594] Kernel Offset: disabled [ 34.917960][ T3594] Rebooting in 86400 seconds..