Warning: Permanently added '10.128.0.68' (ED25519) to the list of known hosts.
executing program
[ 60.613343][ T4164] loop0: detected capacity change from 0 to 128
[ 60.687344][ T4164] VFS: Found a Xenix FS (block size = 1024) on device loop0
[ 60.694949][ T4164] Bad inode number on dev loop0: 2 is out of range
[ 60.701479][ T4164] SysV FS: get root inode failed
[ 60.706982][ T4164] oldfs: cannot read superblock
[ 60.714152][ T4165] ------------[ cut here ]------------
[ 60.720083][ T4165] VFS: brelse: Trying to free free buffer
[ 60.725975][ T4165] WARNING: CPU: 1 PID: 4165 at fs/buffer.c:1148 invalidate_bh_lru+0xf8/0x1a0
[ 60.734775][ T4165] Modules linked in:
[ 60.738686][ T4165] CPU: 1 PID: 4165 Comm: udevd Not tainted 5.15.177-syzkaller #0
[ 60.746406][ T4165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 60.756489][ T4165] RIP: 0010:invalidate_bh_lru+0xf8/0x1a0
[ 60.762142][ T4165] Code: 00 e8 4c 61 e4 ff f0 ff 0b eb 21 e8 42 77 9a ff 41 80 3c 2e 00 75 26 eb 2c e8 34 77 9a ff 48 c7 c7 a0 6f b7 8a e8 c8 10 66 ff <0f> 0b 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c 89 ff
[ 60.781932][ T4165] RSP: 0018:ffffc90002dafa88 EFLAGS: 00010046
[ 60.788174][ T4165] RAX: 68c16f7ec4e3fe00 RBX: ffff88806f097148 RCX: ffff888073c5bb80
[ 60.796141][ T4165] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
[ 60.804105][ T4165] RBP: 0000000000000000 R08: ffffffff8166aa8c R09: ffffed10171e4f24
[ 60.812072][ T4165] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f36538
[ 60.820052][ T4165] R13: 0000000000000000 R14: 1ffff110171e6ca7 R15: ffff8880b8f36538
[ 60.828125][ T4165] FS: 00007fa06c234c80(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 60.837063][ T4165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.843741][ T4165] CR2: 00007ffd02b38fb8 CR3: 0000000020278000 CR4: 00000000003506e0
[ 60.851707][ T4165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.859671][ T4165] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.867636][ T4165] Call Trace:
[ 60.870913][ T4165]
[ 60.873834][ T4165] ? __warn+0x15b/0x300
[ 60.877987][ T4165] ? invalidate_bh_lru+0xf8/0x1a0
[ 60.883002][ T4165] ? report_bug+0x1b7/0x2e0
[ 60.887508][ T4165] ? handle_bug+0x3d/0x70
[ 60.891840][ T4165] ? exc_invalid_op+0x16/0x40
[ 60.896518][ T4165] ? asm_exc_invalid_op+0x16/0x20
[ 60.901558][ T4165] ? __wake_up_klogd+0xcc/0x100
[ 60.906413][ T4165] ? invalidate_bh_lru+0xf8/0x1a0
[ 60.911438][ T4165] ? invalidate_bh_lru+0xf8/0x1a0
[ 60.916456][ T4165] smp_call_function_many_cond+0x8fa/0xd90
[ 60.922258][ T4165] ? invalidate_bh_lrus+0x30/0x30
[ 60.927274][ T4165] ? __bread_gfp+0x390/0x390
[ 60.931859][ T4165] ? smp_call_function_many+0x30/0x30
[ 60.937228][ T4165] ? filemap_check_errors+0xdd/0x130
[ 60.942523][ T4165] ? invalidate_bh_lrus+0x30/0x30
[ 60.947541][ T4165] ? __bread_gfp+0x390/0x390
[ 60.952129][ T4165] on_each_cpu_cond_mask+0x3b/0x80
[ 60.957233][ T4165] blkdev_flush_mapping+0x178/0x340
[ 60.962446][ T4165] ? mutex_lock_io_nested+0x60/0x60
[ 60.967654][ T4165] ? bdev_evict_inode+0x30/0x30
[ 60.972521][ T4165] blkdev_put+0x4f1/0x790
[ 60.976846][ T4165] ? __rwlock_init+0x140/0x140
[ 60.981605][ T4165] blkdev_close+0x7c/0xa0
[ 60.985927][ T4165] ? blkdev_open+0x2d0/0x2d0
[ 60.990508][ T4165] __fput+0x3fe/0x8e0
[ 60.994503][ T4165] task_work_run+0x129/0x1a0
[ 60.999104][ T4165] exit_to_user_mode_loop+0x106/0x130
[ 61.004470][ T4165] exit_to_user_mode_prepare+0xb1/0x140
[ 61.010009][ T4165] syscall_exit_to_user_mode+0x5d/0x240
[ 61.015652][ T4165] do_syscall_64+0x47/0xb0
[ 61.020070][ T4165] ? clear_bhb_loop+0x15/0x70
[ 61.024736][ T4165] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 61.030621][ T4165] RIP: 0033:0x7fa06c3600a8
[ 61.035206][ T4165] Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83
[ 61.054830][ T4165] RSP: 002b:00007ffd02b3a978 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 61.063249][ T4165] RAX: 0000000000000000 RBX: 00007fa06c234ae0 RCX: 00007fa06c3600a8
[ 61.071220][ T4165] RDX: 000056348de3b2f7 RSI: 00007ffd02b3a178 RDI: 0000000000000008
[ 61.079318][ T4165] RBP: 00005631eefd56e0 R08: 0000000000000006 R09: 773fc404fa6f0d2e
[ 61.087302][ T4165] R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000002
[ 61.095269][ T4165] R13: 00005631eefc6a50 R14: 0000000000000008 R15: 00005631eefb5910
[ 61.103246][ T4165]
[ 61.106261][ T4165] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 61.113541][ T4165] CPU: 1 PID: 4165 Comm: udevd Not tainted 5.15.177-syzkaller #0
[ 61.121243][ T4165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 61.131297][ T4165] Call Trace:
[ 61.134567][ T4165]
[ 61.137485][ T4165] dump_stack_lvl+0x1e3/0x2d0
[ 61.142155][ T4165] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 61.147776][ T4165] ? panic+0x860/0x860
[ 61.151836][ T4165] ? panic+0x860/0x860
[ 61.155893][ T4165] ? invalidate_bh_lru+0x90/0x1a0
[ 61.160912][ T4165] ? invalidate_bh_lru+0x90/0x1a0
[ 61.165937][ T4165] panic+0x318/0x860
[ 61.169851][ T4165] ? __warn+0x16a/0x300
[ 61.174022][ T4165] ? fb_is_primary_device+0xd0/0xd0
[ 61.179254][ T4165] ? invalidate_bh_lru+0xf8/0x1a0
[ 61.184280][ T4165] __warn+0x2b2/0x300
[ 61.188266][ T4165] ? invalidate_bh_lru+0xf8/0x1a0
[ 61.193288][ T4165] report_bug+0x1b7/0x2e0
[ 61.197645][ T4165] handle_bug+0x3d/0x70
[ 61.201805][ T4165] exc_invalid_op+0x16/0x40
[ 61.206315][ T4165] asm_exc_invalid_op+0x16/0x20
[ 61.211189][ T4165] RIP: 0010:invalidate_bh_lru+0xf8/0x1a0
[ 61.216822][ T4165] Code: 00 e8 4c 61 e4 ff f0 ff 0b eb 21 e8 42 77 9a ff 41 80 3c 2e 00 75 26 eb 2c e8 34 77 9a ff 48 c7 c7 a0 6f b7 8a e8 c8 10 66 ff <0f> 0b 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c 89 ff
[ 61.236511][ T4165] RSP: 0018:ffffc90002dafa88 EFLAGS: 00010046
[ 61.242575][ T4165] RAX: 68c16f7ec4e3fe00 RBX: ffff88806f097148 RCX: ffff888073c5bb80
[ 61.250538][ T4165] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
[ 61.258502][ T4165] RBP: 0000000000000000 R08: ffffffff8166aa8c R09: ffffed10171e4f24
[ 61.266480][ T4165] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f36538
[ 61.274448][ T4165] R13: 0000000000000000 R14: 1ffff110171e6ca7 R15: ffff8880b8f36538
[ 61.282432][ T4165] ? __wake_up_klogd+0xcc/0x100
[ 61.287300][ T4165] ? invalidate_bh_lru+0xf8/0x1a0
[ 61.292347][ T4165] smp_call_function_many_cond+0x8fa/0xd90
[ 61.298157][ T4165] ? invalidate_bh_lrus+0x30/0x30
[ 61.303185][ T4165] ? __bread_gfp+0x390/0x390
[ 61.307783][ T4165] ? smp_call_function_many+0x30/0x30
[ 61.313173][ T4165] ? filemap_check_errors+0xdd/0x130
[ 61.318455][ T4165] ? invalidate_bh_lrus+0x30/0x30
[ 61.323480][ T4165] ? __bread_gfp+0x390/0x390
[ 61.328065][ T4165] on_each_cpu_cond_mask+0x3b/0x80
[ 61.333175][ T4165] blkdev_flush_mapping+0x178/0x340
[ 61.338557][ T4165] ? mutex_lock_io_nested+0x60/0x60
[ 61.343752][ T4165] ? bdev_evict_inode+0x30/0x30
[ 61.348617][ T4165] blkdev_put+0x4f1/0x790
[ 61.352942][ T4165] ? __rwlock_init+0x140/0x140
[ 61.357702][ T4165] blkdev_close+0x7c/0xa0
[ 61.362023][ T4165] ? blkdev_open+0x2d0/0x2d0
[ 61.366612][ T4165] __fput+0x3fe/0x8e0
[ 61.370608][ T4165] task_work_run+0x129/0x1a0
[ 61.375202][ T4165] exit_to_user_mode_loop+0x106/0x130
[ 61.380567][ T4165] exit_to_user_mode_prepare+0xb1/0x140
[ 61.386118][ T4165] syscall_exit_to_user_mode+0x5d/0x240
[ 61.391661][ T4165] do_syscall_64+0x47/0xb0
[ 61.396076][ T4165] ? clear_bhb_loop+0x15/0x70
[ 61.400748][ T4165] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 61.406656][ T4165] RIP: 0033:0x7fa06c3600a8
[ 61.411067][ T4165] Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83
[ 61.430665][ T4165] RSP: 002b:00007ffd02b3a978 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 61.439075][ T4165] RAX: 0000000000000000 RBX: 00007fa06c234ae0 RCX: 00007fa06c3600a8
[ 61.447043][ T4165] RDX: 000056348de3b2f7 RSI: 00007ffd02b3a178 RDI: 0000000000000008
[ 61.455008][ T4165] RBP: 00005631eefd56e0 R08: 0000000000000006 R09: 773fc404fa6f0d2e
[ 61.462992][ T4165] R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000002
[ 61.470954][ T4165] R13: 00005631eefc6a50 R14: 0000000000000008 R15: 00005631eefb5910
[ 61.478940][ T4165]
[ 61.482084][ T4165] Kernel Offset: disabled
[ 61.486484][ T4165] Rebooting in 86400 seconds..