Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. executing program [ 59.525792][ T4166] loop0: detected capacity change from 0 to 128 [ 59.578562][ T4166] VFS: Found a Xenix FS (block size = 1024) on device loop0 [ 59.588442][ T4166] attempt to access beyond end of device [ 59.588442][ T4166] loop0: rw=0, want=6491538, limit=128 [ 59.599948][ T4166] Buffer I/O error on dev loop0, logical block 3245768, async page read [ 59.609553][ T4166] ------------[ cut here ]------------ [ 59.615099][ T4166] WARNING: CPU: 1 PID: 4166 at fs/inode.c:389 inc_nlink+0x11d/0x130 [ 59.623323][ T4166] Modules linked in: [ 59.627254][ T4166] CPU: 1 PID: 4166 Comm: syz-executor239 Not tainted 5.15.182-syzkaller #0 [ 59.636020][ T4166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 59.646142][ T4166] RIP: 0010:inc_nlink+0x11d/0x130 [ 59.651173][ T4166] Code: 0d ef ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 3d 0d ef ff e9 3f ff ff ff e8 13 9a a9 ff <0f> 0b eb 82 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41 [ 59.671039][ T4166] RSP: 0018:ffffc90002f8fd60 EFLAGS: 00010293 [ 59.677170][ T4166] RAX: ffffffff81ce23fd RBX: ffff888072b48080 RCX: ffff8880791fbb80 [ 59.685328][ T4166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.693394][ T4166] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1002d39a57 [ 59.701374][ T4166] R10: ffffed1002d39a57 R11: 1ffff11002d39a56 R12: dffffc0000000000 [ 59.709400][ T4166] R13: 1ffff1100e569010 R14: ffff888072b48038 R15: 0000000000000000 [ 59.717434][ T4166] FS: 000055558b23a380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 59.726425][ T4166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.733126][ T4166] CR2: 00005566c8826048 CR3: 000000002a3fd000 CR4: 00000000003506e0 [ 59.741106][ T4166] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.749315][ T4166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.757355][ T4166] Call Trace: [ 59.760659][ T4166] [ 59.763863][ T4166] sysv_mkdir+0x1d/0x120 [ 59.768145][ T4166] vfs_mkdir+0x387/0x570 [ 59.772399][ T4166] do_mkdirat+0x1d7/0x5a0 [ 59.776790][ T4166] ? vfs_mkdir+0x570/0x570 [ 59.781236][ T4166] ? getname_flags+0x1fe/0x500 [ 59.786080][ T4166] __x64_sys_mkdirat+0x85/0x90 [ 59.790860][ T4166] do_syscall_64+0x4c/0xa0 [ 59.795341][ T4166] ? clear_bhb_loop+0x15/0x70 [ 59.800029][ T4166] ? clear_bhb_loop+0x15/0x70 [ 59.804779][ T4166] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 59.810694][ T4166] RIP: 0033:0x7fabd65ba679 [ 59.815293][ T4166] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 59.835040][ T4166] RSP: 002b:00007ffc0dd789d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 59.843588][ T4166] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007fabd65ba679 [ 59.851572][ T4166] RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 00000000ffffff9c [ 59.859601][ T4166] RBP: 00007fabd6637610 R08: 0000000000009e87 R09: 0000000000000000 [ 59.867605][ T4166] R10: 00007ffc0dd788a0 R11: 0000000000000246 R12: 0000000000000001 [ 59.875616][ T4166] R13: 00007ffc0dd78ba8 R14: 0000000000000001 R15: 0000000000000001 [ 59.883633][ T4166] [ 59.886652][ T4166] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.893935][ T4166] CPU: 1 PID: 4166 Comm: syz-executor239 Not tainted 5.15.182-syzkaller #0 [ 59.902539][ T4166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 59.912592][ T4166] Call Trace: [ 59.915864][ T4166] [ 59.918796][ T4166] dump_stack_lvl+0x168/0x230 [ 59.923495][ T4166] ? show_regs_print_info+0x20/0x20 [ 59.928697][ T4166] ? load_image+0x3b0/0x3b0 [ 59.933199][ T4166] panic+0x2c9/0x7f0 [ 59.937089][ T4166] ? bpf_jit_dump+0xd0/0xd0 [ 59.941596][ T4166] ? inc_nlink+0x11d/0x130 [ 59.946001][ T4166] __warn+0x248/0x2b0 [ 59.950086][ T4166] ? inc_nlink+0x11d/0x130 [ 59.954506][ T4166] report_bug+0x1b7/0x2e0 [ 59.958836][ T4166] handle_bug+0x3a/0x70 [ 59.962989][ T4166] exc_invalid_op+0x16/0x40 [ 59.967592][ T4166] asm_exc_invalid_op+0x16/0x20 [ 59.972438][ T4166] RIP: 0010:inc_nlink+0x11d/0x130 [ 59.977453][ T4166] Code: 0d ef ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 3d 0d ef ff e9 3f ff ff ff e8 13 9a a9 ff <0f> 0b eb 82 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41 [ 59.997043][ T4166] RSP: 0018:ffffc90002f8fd60 EFLAGS: 00010293 [ 60.003098][ T4166] RAX: ffffffff81ce23fd RBX: ffff888072b48080 RCX: ffff8880791fbb80 [ 60.011056][ T4166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.019011][ T4166] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1002d39a57 [ 60.026974][ T4166] R10: ffffed1002d39a57 R11: 1ffff11002d39a56 R12: dffffc0000000000 [ 60.034938][ T4166] R13: 1ffff1100e569010 R14: ffff888072b48038 R15: 0000000000000000 [ 60.042903][ T4166] ? inc_nlink+0x11d/0x130 [ 60.047337][ T4166] sysv_mkdir+0x1d/0x120 [ 60.051574][ T4166] vfs_mkdir+0x387/0x570 [ 60.055810][ T4166] do_mkdirat+0x1d7/0x5a0 [ 60.060128][ T4166] ? vfs_mkdir+0x570/0x570 [ 60.064538][ T4166] ? getname_flags+0x1fe/0x500 [ 60.069291][ T4166] __x64_sys_mkdirat+0x85/0x90 [ 60.074044][ T4166] do_syscall_64+0x4c/0xa0 [ 60.078448][ T4166] ? clear_bhb_loop+0x15/0x70 [ 60.083111][ T4166] ? clear_bhb_loop+0x15/0x70 [ 60.087863][ T4166] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.093749][ T4166] RIP: 0033:0x7fabd65ba679 [ 60.098153][ T4166] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 60.117743][ T4166] RSP: 002b:00007ffc0dd789d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 60.126141][ T4166] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007fabd65ba679 [ 60.134115][ T4166] RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 00000000ffffff9c [ 60.142071][ T4166] RBP: 00007fabd6637610 R08: 0000000000009e87 R09: 0000000000000000 [ 60.150026][ T4166] R10: 00007ffc0dd788a0 R11: 0000000000000246 R12: 0000000000000001 [ 60.157998][ T4166] R13: 00007ffc0dd78ba8 R14: 0000000000000001 R15: 0000000000000001 [ 60.165981][ T4166] [ 60.169321][ T4166] Kernel Offset: disabled [ 60.173723][ T4166] Rebooting in 86400 seconds..