DUID 00:04:4b:a6:d8:97:08:21:27:2e:fd:cf:3e:39:f6:c0:7f:1f forked to background, child pid 3210 [ 40.059465][ T3211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.069106][ T3211] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.077769][ T3631] loop0: detected capacity change from 0 to 2048 [ 67.105041][ T27] audit: type=1800 audit(1679590803.721:2): pid=3631 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor126" name="bus" dev="loop0" ino=18 res=0 errno=0 [ 67.106853][ T3632] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 67.165347][ T3632] ------------[ cut here ]------------ [ 67.171061][ T3632] WARNING: CPU: 0 PID: 3632 at fs/nilfs2/dat.c:193 nilfs_dat_commit_end+0x59c/0x6a0 [ 67.180531][ T3632] Modules linked in: [ 67.184461][ T3632] CPU: 0 PID: 3632 Comm: segctord Not tainted 6.1.21-syzkaller #0 [ 67.192346][ T3632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 67.202922][ T3632] RIP: 0010:nilfs_dat_commit_end+0x59c/0x6a0 [ 67.208962][ T3632] Code: 48 89 ee 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d8 7b 03 00 e8 63 0d 40 fe e8 ce 12 b7 fd e9 d8 fc ff ff e8 54 0d 40 fe <0f> 0b e9 39 fc ff ff e8 48 0d 40 fe e8 b3 12 b7 fd 43 80 7c 35 00 [ 67.228701][ T3632] RSP: 0018:ffffc90003d3f288 EFLAGS: 00010293 [ 67.234774][ T3632] RAX: ffffffff83497a8c RBX: ffff888026c9d1a0 RCX: ffff88801f9a8000 [ 67.242840][ T3632] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000302 [ 67.250901][ T3632] RBP: 0000000000000003 R08: ffffffff834976be R09: ffffed100433b21b [ 67.258995][ T3632] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807bf58aa0 [ 67.267029][ T3632] R13: 1ffff920007a7e73 R14: 0000000000000302 R15: ffff88801f9a96e0 [ 67.275121][ T3632] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 67.284315][ T3632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.291006][ T3632] CR2: 000055e52504ee48 CR3: 000000001da7d000 CR4: 00000000003506f0 [ 67.299054][ T3632] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.307029][ T3632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.315105][ T3632] Call Trace: [ 67.318418][ T3632] <TASK> [ 67.321413][ T3632] nilfs_dat_commit_update+0x25/0x40 [ 67.326726][ T3632] nilfs_direct_propagate+0x23c/0x3b0 [ 67.332193][ T3632] ? nilfs_direct_delete+0x300/0x300 [ 67.337507][ T3632] ? nilfs_segctor_add_file_block+0x82f/0xc00 [ 67.343667][ T3632] nilfs_bmap_propagate+0x6d/0x120 [ 67.348962][ T3632] nilfs_collect_file_data+0x49/0xc0 [ 67.354295][ T3632] nilfs_segctor_apply_buffers+0x180/0x330 [ 67.360169][ T3632] ? _compound_head+0x130/0x130 [ 67.365069][ T3632] nilfs_segctor_scan_file+0x82d/0xad0 [ 67.370662][ T3632] ? trace_nilfs2_collection_stage_transition+0x250/0x250 [ 67.377944][ T3632] ? rcu_is_watching+0x11/0xb0 [ 67.382919][ T3632] nilfs_segctor_do_construct+0x1d87/0x6f00 [ 67.392922][ T3632] ? nilfs_transaction_unlock+0x210/0x210 [ 67.398788][ T3632] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 67.404317][ T3632] ? __lock_acquire+0x1f80/0x1f80 [ 67.409436][ T3632] ? do_raw_spin_unlock+0x137/0x8a0 [ 67.414676][ T3632] ? _raw_spin_unlock+0x24/0x40 [ 67.419604][ T3632] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 67.425117][ T3632] nilfs_segctor_construct+0x145/0x8c0 [ 67.430685][ T3632] ? rcu_is_watching+0x11/0xb0 [ 67.435494][ T3632] nilfs_segctor_thread+0x536/0x1130 [ 67.440874][ T3632] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 67.446900][ T3632] ? nilfs_construction_timeout+0x40/0x40 [ 67.452699][ T3632] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 67.458685][ T3632] ? _raw_spin_unlock+0x40/0x40 [ 67.463560][ T3632] ? wake_bit_function+0x210/0x210 [ 67.468840][ T3632] ? _raw_spin_unlock+0x40/0x40 [ 67.473737][ T3632] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 67.479789][ T3632] ? __kthread_parkme+0x15c/0x1c0 [ 67.484855][ T3632] kthread+0x268/0x300 [ 67.488987][ T3632] ? nilfs_construction_timeout+0x40/0x40 [ 67.494737][ T3632] ? kthread_blkcg+0xd0/0xd0 [ 67.499414][ T3632] ret_from_fork+0x1f/0x30 [ 67.503871][ T3632] </TASK> [ 67.506892][ T3632] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 67.514174][ T3632] CPU: 0 PID: 3632 Comm: segctord Not tainted 6.1.21-syzkaller #0 [ 67.521987][ T3632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 67.532045][ T3632] Call Trace: [ 67.535329][ T3632] <TASK> [ 67.538268][ T3632] dump_stack_lvl+0x1e3/0x2cb [ 67.542960][ T3632] ? nf_tcp_handle_invalid+0x642/0x642 [ 67.548429][ T3632] ? panic+0x75d/0x75d [ 67.552521][ T3632] ? vscnprintf+0x59/0x80 [ 67.556867][ T3632] panic+0x318/0x75d [ 67.560781][ T3632] ? __warn+0x169/0x520 [ 67.564948][ T3632] ? memcpy_page_flushcache+0xfc/0xfc [ 67.570341][ T3632] ? ret_from_fork+0x1f/0x30 [ 67.574954][ T3632] __warn+0x348/0x520 [ 67.578947][ T3632] ? nilfs_dat_commit_end+0x59c/0x6a0 [ 67.584332][ T3632] report_bug+0x2af/0x500 [ 67.588709][ T3632] ? nilfs_dat_commit_end+0x59c/0x6a0 [ 67.594092][ T3632] handle_bug+0x3d/0x70 [ 67.598259][ T3632] exc_invalid_op+0x16/0x40 [ 67.602779][ T3632] asm_exc_invalid_op+0x16/0x20 [ 67.607638][ T3632] RIP: 0010:nilfs_dat_commit_end+0x59c/0x6a0 [ 67.613633][ T3632] Code: 48 89 ee 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d8 7b 03 00 e8 63 0d 40 fe e8 ce 12 b7 fd e9 d8 fc ff ff e8 54 0d 40 fe <0f> 0b e9 39 fc ff ff e8 48 0d 40 fe e8 b3 12 b7 fd 43 80 7c 35 00 [ 67.633353][ T3632] RSP: 0018:ffffc90003d3f288 EFLAGS: 00010293 [ 67.639443][ T3632] RAX: ffffffff83497a8c RBX: ffff888026c9d1a0 RCX: ffff88801f9a8000 [ 67.647444][ T3632] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000302 [ 67.655471][ T3632] RBP: 0000000000000003 R08: ffffffff834976be R09: ffffed100433b21b [ 67.663543][ T3632] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807bf58aa0 [ 67.671534][ T3632] R13: 1ffff920007a7e73 R14: 0000000000000302 R15: ffff88801f9a96e0 [ 67.679533][ T3632] ? nilfs_dat_commit_end+0x1ce/0x6a0 [ 67.684919][ T3632] ? nilfs_dat_commit_end+0x59c/0x6a0 [ 67.690327][ T3632] ? nilfs_dat_commit_end+0x59c/0x6a0 [ 67.695718][ T3632] nilfs_dat_commit_update+0x25/0x40 [ 67.701017][ T3632] nilfs_direct_propagate+0x23c/0x3b0 [ 67.706401][ T3632] ? nilfs_direct_delete+0x300/0x300 [ 67.711705][ T3632] ? nilfs_segctor_add_file_block+0x82f/0xc00 [ 67.717800][ T3632] nilfs_bmap_propagate+0x6d/0x120 [ 67.722929][ T3632] nilfs_collect_file_data+0x49/0xc0 [ 67.728321][ T3632] nilfs_segctor_apply_buffers+0x180/0x330 [ 67.734176][ T3632] ? _compound_head+0x130/0x130 [ 67.739044][ T3632] nilfs_segctor_scan_file+0x82d/0xad0 [ 67.744551][ T3632] ? trace_nilfs2_collection_stage_transition+0x250/0x250 [ 67.751728][ T3632] ? rcu_is_watching+0x11/0xb0 [ 67.756505][ T3632] nilfs_segctor_do_construct+0x1d87/0x6f00 [ 67.762494][ T3632] ? nilfs_transaction_unlock+0x210/0x210 [ 67.768278][ T3632] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 67.773765][ T3632] ? __lock_acquire+0x1f80/0x1f80 [ 67.778811][ T3632] ? do_raw_spin_unlock+0x137/0x8a0 [ 67.784024][ T3632] ? _raw_spin_unlock+0x24/0x40 [ 67.788888][ T3632] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 67.794370][ T3632] nilfs_segctor_construct+0x145/0x8c0 [ 67.799843][ T3632] ? rcu_is_watching+0x11/0xb0 [ 67.804621][ T3632] nilfs_segctor_thread+0x536/0x1130 [ 67.809937][ T3632] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 67.815945][ T3632] ? nilfs_construction_timeout+0x40/0x40 [ 67.821708][ T3632] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 67.827629][ T3632] ? _raw_spin_unlock+0x40/0x40 [ 67.832493][ T3632] ? wake_bit_function+0x210/0x210 [ 67.837618][ T3632] ? _raw_spin_unlock+0x40/0x40 [ 67.842496][ T3632] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 67.848507][ T3632] ? __kthread_parkme+0x15c/0x1c0 [ 67.853545][ T3632] kthread+0x268/0x300 [ 67.857618][ T3632] ? nilfs_construction_timeout+0x40/0x40 [ 67.863371][ T3632] ? kthread_blkcg+0xd0/0xd0 [ 67.867977][ T3632] ret_from_fork+0x1f/0x30 [ 67.872448][ T3632] </TASK> [ 67.875695][ T3632] Kernel Offset: disabled [ 67.880132][ T3632] Rebooting in 86400 seconds..