DUID 00:04:fd:d1:b1:d5:68:a0:3a:5f:50:0a:64:49:ea:42:3f:75 forked to background, child pid 3172 [ 29.669593][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.688028][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 53.458084][ T3497] loop0: detected capacity change from 0 to 32768 [ 53.468355][ T3497] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor370 (3497) [ 53.488132][ T3497] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 53.496913][ T3497] BTRFS info (device loop0): using free space tree [ 53.503850][ T3497] BTRFS info (device loop0): has skinny extents [ 53.525793][ T3497] BTRFS info (device loop0): enabling ssd optimizations [ 53.555578][ T3497] ------------[ cut here ]------------ [ 53.561148][ T3497] WARNING: CPU: 0 PID: 3497 at fs/read_write.c:525 __kernel_write+0x8cc/0xa60 [ 53.570913][ T3497] Modules linked in: [ 53.574844][ T3497] CPU: 0 PID: 3497 Comm: syz-executor370 Not tainted 5.15.113-syzkaller #0 [ 53.584014][ T3497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 53.594713][ T3497] RIP: 0010:__kernel_write+0x8cc/0xa60 [ 53.600643][ T3497] Code: 25 28 00 00 00 48 3b 84 24 40 01 00 00 0f 85 a4 01 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f4 cc ab ff <0f> 0b 49 c7 c6 f7 ff ff ff eb 9d e8 e4 cc ab ff eb 05 e8 dd cc ab [ 53.620646][ T3497] RSP: 0018:ffffc90002d8f7a0 EFLAGS: 00010293 [ 53.626750][ T3497] RAX: ffffffff81d41c5c RBX: 00000000000a001d RCX: ffff888074a90000 [ 53.635243][ T3497] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.643592][ T3497] RBP: ffffc90002d8f930 R08: ffffffff81d414d0 R09: ffffc90002d8f890 [ 53.651974][ T3497] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005b1f00 [ 53.660322][ T3497] R13: dffffc0000000000 R14: ffff88801ecf3984 R15: 0000000000000011 [ 53.668735][ T3497] FS: 000055555647d300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 53.678267][ T3497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.684876][ T3497] CR2: 00007ffc276e2268 CR3: 000000001e896000 CR4: 00000000003506f0 [ 53.693284][ T3497] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.701615][ T3497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.709956][ T3497] Call Trace: [ 53.713243][ T3497] [ 53.716169][ T3497] ? vfs_read+0xe10/0xe10 [ 53.720611][ T3497] ? common_file_perm+0x17d/0x1d0 [ 53.725652][ T3497] ? fsnotify_perm+0x67/0x5a0 [ 53.730620][ T3497] ? bpf_lsm_file_permission+0x5/0x10 [ 53.736048][ T3497] kernel_write+0xcd/0x200 [ 53.741135][ T3497] send_subvol+0x188/0x4200 [ 53.745651][ T3497] ? __mutex_unlock_slowpath+0x218/0x750 [ 53.751449][ T3497] ? do_raw_spin_unlock+0x137/0x8b0 [ 53.756680][ T3497] ? btrfs_wait_ordered_extents+0xdb8/0xe20 [ 53.762678][ T3497] ? ensure_commit_roots_uptodate+0x290/0x290 [ 53.768845][ T3497] ? sort_r+0x77/0x1250 [ 53.773002][ T3497] ? btrfs_mod_outstanding_extents+0x4d0/0x4d0 [ 53.779225][ T3497] ? dedupe_in_progress_warn+0x110/0x120 [ 53.784877][ T3497] ? kvmalloc_node+0x80/0x140 [ 53.789597][ T3497] ? ensure_commit_roots_uptodate+0x275/0x290 [ 53.795681][ T3497] btrfs_ioctl_send+0x193a/0x1d60 [ 53.800764][ T3497] _btrfs_ioctl_send+0x2fb/0x430 [ 53.805714][ T3497] ? btrfs_ioctl_set_received_subvol_32+0xb90/0xb90 [ 53.812349][ T3497] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 53.818460][ T3497] ? print_irqtrace_events+0x210/0x210 [ 53.823917][ T3497] ? vtime_user_exit+0x2d1/0x400 [ 53.828996][ T3497] btrfs_ioctl+0x595/0xb10 [ 53.833422][ T3497] ? btrfs_ioctl_get_supported_features+0x40/0x40 [ 53.839889][ T3497] __se_sys_ioctl+0xf1/0x160 [ 53.844493][ T3497] do_syscall_64+0x3d/0xb0 [ 53.848952][ T3497] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 53.855022][ T3497] RIP: 0033:0x7f83bf1de849 [ 53.859582][ T3497] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 53.879353][ T3497] RSP: 002b:00007fff9dd9afd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.887932][ T3497] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83bf1de849 [ 53.895917][ T3497] RDX: 0000000020000140 RSI: 0000000040489426 RDI: 0000000000000003 [ 53.904207][ T3497] RBP: 00007f83bf19e110 R08: 0000000000000000 R09: 0000000000000000 [ 53.912314][ T3497] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f83bf19e1a0 [ 53.920328][ T3497] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.928356][ T3497] [ 53.931394][ T3497] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 53.938683][ T3497] CPU: 1 PID: 3497 Comm: syz-executor370 Not tainted 5.15.113-syzkaller #0 [ 53.947272][ T3497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 53.957550][ T3497] Call Trace: [ 53.960838][ T3497] [ 53.963783][ T3497] dump_stack_lvl+0x1e3/0x2cb [ 53.968558][ T3497] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 53.975060][ T3497] ? panic+0x84d/0x84d [ 53.979134][ T3497] ? __kernel_write+0x870/0xa60 [ 53.983976][ T3497] ? __kernel_write+0x870/0xa60 [ 53.988814][ T3497] panic+0x318/0x84d [ 53.992709][ T3497] ? __warn+0x16a/0x300 [ 53.996860][ T3497] ? fb_is_primary_device+0xcc/0xcc [ 54.002066][ T3497] ? __kernel_write+0x8cc/0xa60 [ 54.006916][ T3497] __warn+0x2b2/0x300 [ 54.010889][ T3497] ? __kernel_write+0x8cc/0xa60 [ 54.015733][ T3497] report_bug+0x1b7/0x2e0 [ 54.020056][ T3497] handle_bug+0x3d/0x70 [ 54.024203][ T3497] exc_invalid_op+0x16/0x40 [ 54.028741][ T3497] asm_exc_invalid_op+0x16/0x20 [ 54.033581][ T3497] RIP: 0010:__kernel_write+0x8cc/0xa60 [ 54.039032][ T3497] Code: 25 28 00 00 00 48 3b 84 24 40 01 00 00 0f 85 a4 01 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f4 cc ab ff <0f> 0b 49 c7 c6 f7 ff ff ff eb 9d e8 e4 cc ab ff eb 05 e8 dd cc ab [ 54.058627][ T3497] RSP: 0018:ffffc90002d8f7a0 EFLAGS: 00010293 [ 54.064685][ T3497] RAX: ffffffff81d41c5c RBX: 00000000000a001d RCX: ffff888074a90000 [ 54.072650][ T3497] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.080611][ T3497] RBP: ffffc90002d8f930 R08: ffffffff81d414d0 R09: ffffc90002d8f890 [ 54.088579][ T3497] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005b1f00 [ 54.096541][ T3497] R13: dffffc0000000000 R14: ffff88801ecf3984 R15: 0000000000000011 [ 54.104514][ T3497] ? __kernel_write+0x140/0xa60 [ 54.109467][ T3497] ? __kernel_write+0x8cc/0xa60 [ 54.114321][ T3497] ? vfs_read+0xe10/0xe10 [ 54.118651][ T3497] ? common_file_perm+0x17d/0x1d0 [ 54.123667][ T3497] ? fsnotify_perm+0x67/0x5a0 [ 54.128363][ T3497] ? bpf_lsm_file_permission+0x5/0x10 [ 54.133727][ T3497] kernel_write+0xcd/0x200 [ 54.138143][ T3497] send_subvol+0x188/0x4200 [ 54.142645][ T3497] ? __mutex_unlock_slowpath+0x218/0x750 [ 54.148278][ T3497] ? do_raw_spin_unlock+0x137/0x8b0 [ 54.153475][ T3497] ? btrfs_wait_ordered_extents+0xdb8/0xe20 [ 54.159447][ T3497] ? ensure_commit_roots_uptodate+0x290/0x290 [ 54.165796][ T3497] ? sort_r+0x77/0x1250 [ 54.170046][ T3497] ? btrfs_mod_outstanding_extents+0x4d0/0x4d0 [ 54.176215][ T3497] ? dedupe_in_progress_warn+0x110/0x120 [ 54.181845][ T3497] ? kvmalloc_node+0x80/0x140 [ 54.186527][ T3497] ? ensure_commit_roots_uptodate+0x275/0x290 [ 54.192591][ T3497] btrfs_ioctl_send+0x193a/0x1d60 [ 54.197618][ T3497] _btrfs_ioctl_send+0x2fb/0x430 [ 54.202549][ T3497] ? btrfs_ioctl_set_received_subvol_32+0xb90/0xb90 [ 54.209132][ T3497] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 54.215105][ T3497] ? print_irqtrace_events+0x210/0x210 [ 54.220555][ T3497] ? vtime_user_exit+0x2d1/0x400 [ 54.225485][ T3497] btrfs_ioctl+0x595/0xb10 [ 54.229890][ T3497] ? btrfs_ioctl_get_supported_features+0x40/0x40 [ 54.236298][ T3497] __se_sys_ioctl+0xf1/0x160 [ 54.240879][ T3497] do_syscall_64+0x3d/0xb0 [ 54.245287][ T3497] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 54.251179][ T3497] RIP: 0033:0x7f83bf1de849 [ 54.255585][ T3497] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 54.275180][ T3497] RSP: 002b:00007fff9dd9afd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.283583][ T3497] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83bf1de849 [ 54.291544][ T3497] RDX: 0000000020000140 RSI: 0000000040489426 RDI: 0000000000000003 [ 54.299511][ T3497] RBP: 00007f83bf19e110 R08: 0000000000000000 R09: 0000000000000000 [ 54.307469][ T3497] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f83bf19e1a0 [ 54.315523][ T3497] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.323494][ T3497] [ 54.326686][ T3497] Kernel Offset: disabled [ 54.331159][ T3497] Rebooting in 86400 seconds..