Warning: Permanently added '10.128.0.97' (ECDSA) to the list of known hosts. executing program [ 77.503218][ T8445] loop0: detected capacity change from 0 to 4 [ 77.517444][ T8445] VFS: Found a V7 FS (block size = 512) on device loop0 [ 77.528839][ T8445] ------------[ cut here ]------------ [ 77.534533][ T8445] WARNING: CPU: 0 PID: 8445 at fs/inode.c:361 inc_nlink+0x144/0x160 [ 77.553577][ T8445] Modules linked in: [ 77.558689][ T8445] CPU: 1 PID: 8445 Comm: syz-executor957 Not tainted 5.12.0-next-20210507-syzkaller #0 [ 77.569878][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.580400][ T8445] RIP: 0010:inc_nlink+0x144/0x160 [ 77.585796][ T8445] Code: ff 4c 89 e7 e8 bd b8 ed ff e9 42 ff ff ff 4c 89 e7 e8 40 b8 ed ff e9 fc fe ff ff 4c 89 e7 e8 33 b8 ed ff eb d4 e8 5c ca a8 ff <0f> 0b e9 6e ff ff ff e8 30 b8 ed ff e9 44 ff ff ff e8 26 b8 ed ff [ 77.607381][ T8445] RSP: 0018:ffffc900018cfdf0 EFLAGS: 00010293 [ 77.613533][ T8445] RAX: 0000000000000000 RBX: ffff888038374038 RCX: 0000000000000000 [ 77.622934][ T8445] RDX: ffff888022bc1c80 RSI: ffffffff81cc0bd4 RDI: 0000000000000003 [ 77.631233][ T8445] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.639968][ T8445] R10: ffffffff81cc0b40 R11: 0000000000000000 R12: ffff888038374080 [ 77.648306][ T8445] R13: ffff8880345cfa70 R14: ffffffff8995bc00 R15: 0000000000000021 [ 77.656771][ T8445] FS: 00000000005a7300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 77.665995][ T8445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.672978][ T8445] CR2: 00005614035bd840 CR3: 000000002128a000 CR4: 00000000001506f0 [ 77.681230][ T8445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.689624][ T8445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.698041][ T8445] Call Trace: [ 77.701372][ T8445] sysv_mkdir+0x21/0x150 [ 77.705731][ T8445] vfs_mkdir+0x538/0x770 [ 77.710161][ T8445] do_mkdirat+0x284/0x310 [ 77.714551][ T8445] ? user_path_create+0xf0/0xf0 [ 77.719748][ T8445] ? syscall_enter_from_user_mode+0x27/0x70 [ 77.725714][ T8445] do_syscall_64+0x3a/0xb0 [ 77.730352][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 77.736441][ T8445] RIP: 0033:0x443c29 [ 77.741484][ T8445] 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 c0 ff ff ff f7 d8 64 89 01 48 [ 77.761913][ T8445] RSP: 002b:00007ffee26afc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 77.771405][ T8445] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000443c29 [ 77.779696][ T8445] RDX: 00000000004021f3 RSI: 0000000000000023 RDI: 0000000020000080 [ 77.788824][ T8445] RBP: 00000000004034c0 R08: 0000000000000000 R09: 0000000000000000 [ 77.796832][ T8445] R10: 00007ffee26afb30 R11: 0000000000000246 R12: 0000000000403550 [ 77.806082][ T8445] R13: 0000000000000000 R14: 00000000004b1018 R15: 00000000004004a0 [ 77.814647][ T8445] Kernel panic - not syncing: panic_on_warn set ... [ 77.821273][ T8445] CPU: 0 PID: 8445 Comm: syz-executor957 Not tainted 5.12.0-next-20210507-syzkaller #0 [ 77.830905][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.840972][ T8445] Call Trace: [ 77.844279][ T8445] dump_stack+0x141/0x1d7 [ 77.848621][ T8445] panic+0x306/0x73d [ 77.852585][ T8445] ? __warn_printk+0xf3/0xf3 [ 77.857190][ T8445] ? __warn.cold+0x1a/0x44 [ 77.861708][ T8445] ? inc_nlink+0x144/0x160 [ 77.866140][ T8445] __warn.cold+0x35/0x44 [ 77.870400][ T8445] ? inc_nlink+0x144/0x160 [ 77.874824][ T8445] report_bug+0x1bd/0x210 [ 77.879249][ T8445] handle_bug+0x3c/0x60 [ 77.883425][ T8445] exc_invalid_op+0x14/0x40 [ 77.887929][ T8445] asm_exc_invalid_op+0x12/0x20 [ 77.892932][ T8445] RIP: 0010:inc_nlink+0x144/0x160 [ 77.897996][ T8445] Code: ff 4c 89 e7 e8 bd b8 ed ff e9 42 ff ff ff 4c 89 e7 e8 40 b8 ed ff e9 fc fe ff ff 4c 89 e7 e8 33 b8 ed ff eb d4 e8 5c ca a8 ff <0f> 0b e9 6e ff ff ff e8 30 b8 ed ff e9 44 ff ff ff e8 26 b8 ed ff [ 77.917718][ T8445] RSP: 0018:ffffc900018cfdf0 EFLAGS: 00010293 [ 77.923803][ T8445] RAX: 0000000000000000 RBX: ffff888038374038 RCX: 0000000000000000 [ 77.931791][ T8445] RDX: ffff888022bc1c80 RSI: ffffffff81cc0bd4 RDI: 0000000000000003 [ 77.939779][ T8445] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.947852][ T8445] R10: ffffffff81cc0b40 R11: 0000000000000000 R12: ffff888038374080 [ 77.955824][ T8445] R13: ffff8880345cfa70 R14: ffffffff8995bc00 R15: 0000000000000021 [ 77.963820][ T8445] ? inc_nlink+0xb0/0x160 [ 77.968160][ T8445] ? inc_nlink+0x144/0x160 [ 77.972590][ T8445] sysv_mkdir+0x21/0x150 [ 77.976850][ T8445] vfs_mkdir+0x538/0x770 [ 77.981126][ T8445] do_mkdirat+0x284/0x310 [ 77.985680][ T8445] ? user_path_create+0xf0/0xf0 [ 77.990568][ T8445] ? syscall_enter_from_user_mode+0x27/0x70 [ 77.996477][ T8445] do_syscall_64+0x3a/0xb0 [ 78.000910][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 78.006826][ T8445] RIP: 0033:0x443c29 [ 78.010747][ T8445] 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 c0 ff ff ff f7 d8 64 89 01 48 [ 78.030473][ T8445] RSP: 002b:00007ffee26afc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 78.039711][ T8445] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000443c29 [ 78.047762][ T8445] RDX: 00000000004021f3 RSI: 0000000000000023 RDI: 0000000020000080 [ 78.055819][ T8445] RBP: 00000000004034c0 R08: 0000000000000000 R09: 0000000000000000 [ 78.063831][ T8445] R10: 00007ffee26afb30 R11: 0000000000000246 R12: 0000000000403550 [ 78.072081][ T8445] R13: 0000000000000000 R14: 00000000004b1018 R15: 00000000004004a0 [ 78.080745][ T8445] Kernel Offset: disabled [ 78.085292][ T8445] Rebooting in 86400 seconds..