Starting sshd: OK
[ 5.592147][ T1010] rcS (1010) used greatest stack depth: 11472 bytes left
syzkaller
syzkaller login: [ 33.736425][ T1199] cgroup: Unknown subsys name 'net'
[ 33.859535][ T1199] cgroup: Unknown subsys name 'rlimit'
[ 34.068398][ T1199] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 36.321965][ T1230] syz-executor (1230) used greatest stack depth: 11376 bytes left
Warning: Permanently added '10.128.0.108' (ED25519) to the list of known hosts.
2025/11/23 04:56:13 parsed 1 programs
[ 57.668918][ T2151] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
2025/11/23 04:56:16 executed programs: 0
[ 62.167552][ T3068] loop3: detected capacity change from 0 to 32768
[ 62.282286][ T3071] loop3: detected capacity change from 0 to 32768
[ 62.328351][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!!
[ 62.392903][ T3074] loop3: detected capacity change from 0 to 32768
[ 62.493931][ T3077] loop3: detected capacity change from 0 to 32768
[ 62.596242][ T3080] loop3: detected capacity change from 0 to 32768
[ 62.697777][ T3083] loop3: detected capacity change from 0 to 32768
[ 62.801034][ T3086] loop3: detected capacity change from 0 to 32768
[ 62.904016][ T3089] loop3: detected capacity change from 0 to 32768
[ 63.013907][ T3092] loop3: detected capacity change from 0 to 32768
[ 63.099232][ T3092] loop3: detected capacity change from 0 to 2048
[ 63.107128][ T3092] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
[ 63.126060][ T3092] ------------[ cut here ]------------
[ 63.131574][ T3092] WARNING: CPU: 0 PID: 3092 at fs/udf/udfdecl.h:127 udf_free_inode+0x9c/0xb0
[ 63.140346][ T3092] Modules linked in:
[ 63.144303][ T3092] CPU: 0 PID: 3092 Comm: syz.3.25 Not tainted syzkaller #0
[ 63.151593][ T3092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 63.162086][ T3092] RIP: 0010:udf_free_inode+0x9c/0xb0
[ 63.167340][ T3092] Code: 89 ff e8 67 e8 f2 00 48 81 c3 b8 fe ff ff 4c 89 f7 31 f6 48 89 da 31 c9 41 b8 01 00 00 00 5b 41 5c 41 5e 41 5f e9 34 de ff ff <0f> 0b 49 8b 86 60 06 00 00 eb c0 0f 0b 0f 1f 80 00 00 00 00 55 41
[ 63.187054][ T3092] RSP: 0018:ffffc9000314fdf8 EFLAGS: 00010286
[ 63.193104][ T3092] RAX: ffff888116c12c00 RBX: ffff88810fcc8738 RCX: ffff8881161ac000
[ 63.201071][ T3092] RDX: 0000000000000001 RSI: ffffffff830600e2 RDI: 00000000ffffffff
[ 63.209032][ T3092] RBP: ffffffff82b12680 R08: 0000000000000000 R09: 0000000000000001
[ 63.216994][ T3092] R10: 0000000000000001 R11: 0000000000000017 R12: ffff888187ecd9b0
[ 63.224965][ T3092] R13: ffff88810fcc88f0 R14: ffff8881047dc000 R15: ffff888116c12cc0
[ 63.232938][ T3092] FS: 00007fece5b5b6c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
[ 63.241865][ T3092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 63.248421][ T3092] CR2: 00007f01a0035000 CR3: 0000000116c78000 CR4: 00000000003506f0
[ 63.256359][ T3092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 63.264302][ T3092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 63.272250][ T3092] Call Trace:
[ 63.275499][ T3092]
[ 63.278408][ T3092] evict+0x194/0x2f0
[ 63.282271][ T3092] ? do_raw_spin_unlock+0x55/0x100
[ 63.287354][ T3092] do_unlinkat+0x20a/0x2d0
[ 63.291739][ T3092] __x64_sys_unlink+0x1a/0x20
[ 63.296385][ T3092] do_syscall_64+0x4c/0xa0
[ 63.300781][ T3092] ? clear_bhb_loop+0x60/0xb0
[ 63.305509][ T3092] ? clear_bhb_loop+0x60/0xb0
[ 63.310247][ T3092] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 63.316112][ T3092] RIP: 0033:0x7fece4d8eba9
[ 63.320498][ T3092] 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 a8 ff ff ff f7 d8 64 89 01 48
[ 63.340080][ T3092] RSP: 002b:00007fece5b5b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[ 63.348467][ T3092] RAX: ffffffffffffffda RBX: 00007fece4fd5fa0 RCX: 00007fece4d8eba9
[ 63.356410][ T3092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000080
[ 63.364365][ T3092] RBP: 00007fece4e11e19 R08: 0000000000000000 R09: 0000000000000000
[ 63.372352][ T3092] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 63.380333][ T3092] R13: 00007fece4fd6038 R14: 00007fece4fd5fa0 R15: 00007fff20979098
[ 63.388372][ T3092]
[ 63.391382][ T3092] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 63.398640][ T3092] CPU: 0 PID: 3092 Comm: syz.3.25 Not tainted syzkaller #0
[ 63.405830][ T3092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 63.415857][ T3092] Call Trace:
[ 63.419125][ T3092]
[ 63.422038][ T3092] dump_stack_lvl+0x74/0xbb
[ 63.426507][ T3092] panic+0x118/0x2c0
[ 63.430364][ T3092] ? udf_free_inode+0x9c/0xb0
[ 63.435002][ T3092] __warn+0x160/0x1f0
[ 63.439056][ T3092] ? udf_free_inode+0x9c/0xb0
[ 63.443700][ T3092] report_bug+0xc9/0x160
[ 63.447911][ T3092] handle_bug+0x3a/0x70
[ 63.452033][ T3092] exc_invalid_op+0x16/0x40
[ 63.456499][ T3092] asm_exc_invalid_op+0x16/0x20
[ 63.461309][ T3092] RIP: 0010:udf_free_inode+0x9c/0xb0
[ 63.466559][ T3092] Code: 89 ff e8 67 e8 f2 00 48 81 c3 b8 fe ff ff 4c 89 f7 31 f6 48 89 da 31 c9 41 b8 01 00 00 00 5b 41 5c 41 5e 41 5f e9 34 de ff ff <0f> 0b 49 8b 86 60 06 00 00 eb c0 0f 0b 0f 1f 80 00 00 00 00 55 41
[ 63.486140][ T3092] RSP: 0018:ffffc9000314fdf8 EFLAGS: 00010286
[ 63.492427][ T3092] RAX: ffff888116c12c00 RBX: ffff88810fcc8738 RCX: ffff8881161ac000
[ 63.500469][ T3092] RDX: 0000000000000001 RSI: ffffffff830600e2 RDI: 00000000ffffffff
[ 63.508433][ T3092] RBP: ffffffff82b12680 R08: 0000000000000000 R09: 0000000000000001
[ 63.516369][ T3092] R10: 0000000000000001 R11: 0000000000000017 R12: ffff888187ecd9b0
[ 63.524306][ T3092] R13: ffff88810fcc88f0 R14: ffff8881047dc000 R15: ffff888116c12cc0
[ 63.532378][ T3092] ? udf_free_inode+0x36/0xb0
[ 63.537027][ T3092] evict+0x194/0x2f0
[ 63.540900][ T3092] ? do_raw_spin_unlock+0x55/0x100
[ 63.546006][ T3092] do_unlinkat+0x20a/0x2d0
[ 63.550405][ T3092] __x64_sys_unlink+0x1a/0x20
[ 63.555043][ T3092] do_syscall_64+0x4c/0xa0
[ 63.559424][ T3092] ? clear_bhb_loop+0x60/0xb0
[ 63.564070][ T3092] ? clear_bhb_loop+0x60/0xb0
[ 63.568709][ T3092] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 63.574566][ T3092] RIP: 0033:0x7fece4d8eba9
[ 63.578946][ T3092] 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 a8 ff ff ff f7 d8 64 89 01 48
[ 63.598521][ T3092] RSP: 002b:00007fece5b5b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[ 63.606892][ T3092] RAX: ffffffffffffffda RBX: 00007fece4fd5fa0 RCX: 00007fece4d8eba9
[ 63.614835][ T3092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000080
[ 63.622857][ T3092] RBP: 00007fece4e11e19 R08: 0000000000000000 R09: 0000000000000000
[ 63.630835][ T3092] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 63.638777][ T3092] R13: 00007fece4fd6038 R14: 00007fece4fd5fa0 R15: 00007fff20979098
[ 63.646716][ T3092]
[ 63.649951][ T3092] Kernel Offset: disabled
[ 63.654247][ T3092] Rebooting in 86400 seconds..