Warning: Permanently added '10.128.1.187' (ED25519) to the list of known hosts.
executing program
syzkaller login: [ 51.832521][ T4162] loop0: detected capacity change from 0 to 128
[ 51.913168][ T4162] VFS: Found a Xenix FS (block size = 1024) on device loop0
[ 51.922540][ T4162] attempt to access beyond end of device
[ 51.922540][ T4162] loop0: rw=0, want=6491538, limit=128
[ 51.933850][ T4162] Buffer I/O error on dev loop0, logical block 3245768, async page read
[ 51.942887][ T4162] ------------[ cut here ]------------
[ 51.948345][ T4162] WARNING: CPU: 1 PID: 4162 at fs/inode.c:364 inc_nlink+0x120/0x130
[ 51.956392][ T4162] Modules linked in:
[ 51.960305][ T4162] CPU: 1 PID: 4162 Comm: syz-executor140 Not tainted 5.15.173-syzkaller #0
[ 51.968965][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 51.979220][ T4162] RIP: 0010:inc_nlink+0x120/0x130
[ 51.984296][ T4162] Code: ed ff e9 37 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 49 ff ff ff 4c 89 ef e8 4a 9e ed ff e9 3c ff ff ff e8 10 c6 a3 ff <0f> 0b eb 80 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 41 56 53 48
[ 52.004050][ T4162] RSP: 0018:ffffc90002ef7d60 EFLAGS: 00010293
[ 52.010216][ T4162] RAX: ffffffff81dcad90 RBX: 1ffff1100de28810 RCX: ffff8880219d5940
[ 52.018214][ T4162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 52.026229][ T4162] RBP: 0000000000000000 R08: ffffffff81dcad0a R09: ffffed1002e39a57
[ 52.034246][ T4162] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 52.042256][ T4162] R13: ffff88806f144080 R14: ffff88806f144038 R15: 0000000000000000
[ 52.050212][ T4162] FS: 0000555568622380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 52.059190][ T4162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.065814][ T4162] CR2: 00007fc4a0c95000 CR3: 0000000026634000 CR4: 00000000003506e0
[ 52.073826][ T4162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.081821][ T4162] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.089792][ T4162] Call Trace:
[ 52.093093][ T4162]
[ 52.096026][ T4162] ? __warn+0x15b/0x300
[ 52.100180][ T4162] ? inc_nlink+0x120/0x130
[ 52.104633][ T4162] ? report_bug+0x1b7/0x2e0
[ 52.109154][ T4162] ? handle_bug+0x3d/0x70
[ 52.113534][ T4162] ? exc_invalid_op+0x16/0x40
[ 52.118218][ T4162] ? asm_exc_invalid_op+0x16/0x20
[ 52.123282][ T4162] ? inc_nlink+0x9a/0x130
[ 52.127613][ T4162] ? inc_nlink+0x120/0x130
[ 52.132050][ T4162] ? inc_nlink+0x120/0x130
[ 52.136470][ T4162] sysv_mkdir+0x1d/0x120
[ 52.140752][ T4162] vfs_mkdir+0x3b6/0x590
[ 52.145003][ T4162] do_mkdirat+0x260/0x520
[ 52.149325][ T4162] ? vfs_mkdir+0x590/0x590
[ 52.153768][ T4162] ? getname_flags+0x1ec/0x4e0
[ 52.158530][ T4162] ? lockdep_hardirqs_on+0x94/0x130
[ 52.163766][ T4162] __x64_sys_mkdir+0x6a/0x80
[ 52.168374][ T4162] do_syscall_64+0x3b/0xb0
[ 52.172814][ T4162] ? clear_bhb_loop+0x15/0x70
[ 52.177509][ T4162] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 52.183435][ T4162] RIP: 0033:0x7fc4a90c4a59
[ 52.187863][ T4162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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
[ 52.207501][ T4162] RSP: 002b:00007ffdbb13c248 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 52.216020][ T4162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4a90c4a59
[ 52.224033][ T4162] RDX: 00007fc4a90c3cb0 RSI: 0000000000000000 RDI: 0000000020000000
[ 52.232038][ T4162] RBP: 00007fc4a91415f0 R08: 0000000000009e89 R09: 00005555686234c0
[ 52.239993][ T4162] R10: 00007ffdbb13c110 R11: 0000000000000246 R12: 00007ffdbb13c270
[ 52.248016][ T4162] R13: 00007ffdbb13c498 R14: 431bde82d7b634db R15: 00007fc4a910d03b
[ 52.256033][ T4162]
[ 52.259050][ T4162] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 52.266313][ T4162] CPU: 1 PID: 4162 Comm: syz-executor140 Not tainted 5.15.173-syzkaller #0
[ 52.274878][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 52.284918][ T4162] Call Trace:
[ 52.288183][ T4162]
[ 52.291096][ T4162] dump_stack_lvl+0x1e3/0x2d0
[ 52.295761][ T4162] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 52.301390][ T4162] ? panic+0x860/0x860
[ 52.305451][ T4162] ? inc_nlink+0x90/0x130
[ 52.309770][ T4162] ? inc_nlink+0x90/0x130
[ 52.314083][ T4162] panic+0x318/0x860
[ 52.317979][ T4162] ? __warn+0x16a/0x300
[ 52.322125][ T4162] ? fb_is_primary_device+0xd0/0xd0
[ 52.327315][ T4162] ? inc_nlink+0x120/0x130
[ 52.331725][ T4162] __warn+0x2b2/0x300
[ 52.335693][ T4162] ? inc_nlink+0x120/0x130
[ 52.340091][ T4162] report_bug+0x1b7/0x2e0
[ 52.344415][ T4162] handle_bug+0x3d/0x70
[ 52.348569][ T4162] exc_invalid_op+0x16/0x40
[ 52.353057][ T4162] asm_exc_invalid_op+0x16/0x20
[ 52.357905][ T4162] RIP: 0010:inc_nlink+0x120/0x130
[ 52.362910][ T4162] Code: ed ff e9 37 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 49 ff ff ff 4c 89 ef e8 4a 9e ed ff e9 3c ff ff ff e8 10 c6 a3 ff <0f> 0b eb 80 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 41 56 53 48
[ 52.382546][ T4162] RSP: 0018:ffffc90002ef7d60 EFLAGS: 00010293
[ 52.388601][ T4162] RAX: ffffffff81dcad90 RBX: 1ffff1100de28810 RCX: ffff8880219d5940
[ 52.396564][ T4162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 52.404604][ T4162] RBP: 0000000000000000 R08: ffffffff81dcad0a R09: ffffed1002e39a57
[ 52.412562][ T4162] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
[ 52.420517][ T4162] R13: ffff88806f144080 R14: ffff88806f144038 R15: 0000000000000000
[ 52.428503][ T4162] ? inc_nlink+0x9a/0x130
[ 52.432817][ T4162] ? inc_nlink+0x120/0x130
[ 52.437229][ T4162] sysv_mkdir+0x1d/0x120
[ 52.441463][ T4162] vfs_mkdir+0x3b6/0x590
[ 52.445711][ T4162] do_mkdirat+0x260/0x520
[ 52.450024][ T4162] ? vfs_mkdir+0x590/0x590
[ 52.454432][ T4162] ? getname_flags+0x1ec/0x4e0
[ 52.459187][ T4162] ? lockdep_hardirqs_on+0x94/0x130
[ 52.464376][ T4162] __x64_sys_mkdir+0x6a/0x80
[ 52.468982][ T4162] do_syscall_64+0x3b/0xb0
[ 52.473387][ T4162] ? clear_bhb_loop+0x15/0x70
[ 52.478050][ T4162] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 52.483959][ T4162] RIP: 0033:0x7fc4a90c4a59
[ 52.488359][ T4162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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
[ 52.507955][ T4162] RSP: 002b:00007ffdbb13c248 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 52.516375][ T4162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4a90c4a59
[ 52.524335][ T4162] RDX: 00007fc4a90c3cb0 RSI: 0000000000000000 RDI: 0000000020000000
[ 52.532403][ T4162] RBP: 00007fc4a91415f0 R08: 0000000000009e89 R09: 00005555686234c0
[ 52.540367][ T4162] R10: 00007ffdbb13c110 R11: 0000000000000246 R12: 00007ffdbb13c270
[ 52.548323][ T4162] R13: 00007ffdbb13c498 R14: 431bde82d7b634db R15: 00007fc4a910d03b
[ 52.556310][ T4162]
[ 52.559621][ T4162] Kernel Offset: disabled
[ 52.564042][ T4162] Rebooting in 86400 seconds..