DUID 00:04:d5:34:fd:2d:90:3b:7d:1f:5f:ef:10:3f:c1:8d:8b:e5 forked to background, child pid 3213 [ 38.775178][ T3214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.802123][ T3214] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.188' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 62.994658][ T3542] loop0: detected capacity change from 0 to 2048 [ 63.013710][ T3543] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 63.030599][ T27] audit: type=1800 audit(1684724102.697:2): pid=3542 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor370" name="bus" dev="loop0" ino=18 res=0 errno=0 [ 63.067020][ T3543] ------------[ cut here ]------------ [ 63.072721][ T3543] WARNING: CPU: 0 PID: 3543 at fs/nilfs2/dat.c:193 nilfs_dat_commit_end+0x59c/0x6a0 [ 63.082243][ T3543] Modules linked in: [ 63.086189][ T3543] CPU: 0 PID: 3543 Comm: segctord Not tainted 6.1.29-syzkaller #0 [ 63.094151][ T3543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 63.104306][ T3543] RIP: 0010:nilfs_dat_commit_end+0x59c/0x6a0 [ 63.110412][ T3543] Code: 48 89 ee 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 08 7c 03 00 e8 93 b0 3f fe e8 0e 79 b6 fd e9 d8 fc ff ff e8 84 b0 3f fe <0f> 0b e9 39 fc ff ff e8 78 b0 3f fe e8 f3 78 b6 fd 43 80 7c 35 00 [ 63.130108][ T3543] RSP: 0018:ffffc90003a4f288 EFLAGS: 00010293 [ 63.136183][ T3543] RAX: ffffffff834a144c RBX: ffff8880728661a0 RCX: ffff8880270d5940 [ 63.144224][ T3543] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000302 [ 63.152289][ T3543] RBP: 0000000000000003 R08: ffffffff834a107e R09: ffffed10043b8d1b [ 63.160357][ T3543] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076798aa0 [ 63.168416][ T3543] R13: 1ffff92000749e73 R14: 0000000000000302 R15: ffff8880270d70b0 [ 63.176676][ T3543] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 63.185658][ T3543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.192355][ T3543] CR2: 00007fb4c7311008 CR3: 000000007ee3c000 CR4: 00000000003506f0 [ 63.200405][ T3543] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.208455][ T3543] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.216434][ T3543] Call Trace: [ 63.219767][ T3543] [ 63.222726][ T3543] nilfs_dat_commit_update+0x25/0x40 [ 63.228088][ T3543] nilfs_direct_propagate+0x23c/0x3b0 [ 63.233495][ T3543] ? nilfs_direct_delete+0x300/0x300 [ 63.238875][ T3543] ? nilfs_segctor_add_file_block+0x2bb/0x960 [ 63.244986][ T3543] ? nilfs_segctor_add_file_block+0x4c3/0x960 [ 63.251148][ T3543] nilfs_bmap_propagate+0x6d/0x120 [ 63.256286][ T3543] nilfs_collect_file_data+0x49/0xc0 [ 63.261640][ T3543] nilfs_segctor_apply_buffers+0x180/0x330 [ 63.267521][ T3543] ? _compound_head+0x130/0x130 [ 63.272390][ T3543] nilfs_segctor_scan_file+0x82d/0xad0 [ 63.277912][ T3543] ? trace_nilfs2_collection_stage_transition+0x250/0x250 [ 63.285103][ T3543] ? rcu_is_watching+0x11/0xb0 [ 63.289948][ T3543] nilfs_segctor_do_construct+0x1ced/0x6cc0 [ 63.295947][ T3543] ? nilfs_transaction_unlock+0x210/0x210 [ 63.301781][ T3543] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 63.307346][ T3543] ? __lock_acquire+0x1f80/0x1f80 [ 63.312397][ T3543] ? do_raw_spin_unlock+0x137/0x8a0 [ 63.317668][ T3543] ? _raw_spin_unlock+0x24/0x40 [ 63.322586][ T3543] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 63.328141][ T3543] nilfs_segctor_construct+0x145/0x8c0 [ 63.333634][ T3543] ? rcu_is_watching+0x11/0xb0 [ 63.338464][ T3543] nilfs_segctor_thread+0x536/0x1130 [ 63.343813][ T3543] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 63.349886][ T3543] ? nilfs_construction_timeout+0x40/0x40 [ 63.355642][ T3543] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 63.361630][ T3543] ? _raw_spin_unlock+0x40/0x40 [ 63.366519][ T3543] ? wake_bit_function+0x210/0x210 [ 63.371729][ T3543] ? _raw_spin_unlock+0x40/0x40 [ 63.376612][ T3543] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 63.382654][ T3543] ? __kthread_parkme+0x15c/0x1c0 [ 63.387754][ T3543] kthread+0x26e/0x300 [ 63.391861][ T3543] ? nilfs_construction_timeout+0x40/0x40 [ 63.397636][ T3543] ? kthread_blkcg+0xd0/0xd0 [ 63.402253][ T3543] ret_from_fork+0x1f/0x30 [ 63.406701][ T3543] [ 63.409823][ T3543] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 63.417132][ T3543] CPU: 0 PID: 3543 Comm: segctord Not tainted 6.1.29-syzkaller #0 [ 63.424947][ T3543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 63.435015][ T3543] Call Trace: [ 63.438307][ T3543] [ 63.441254][ T3543] dump_stack_lvl+0x1e3/0x2cb [ 63.445950][ T3543] ? nf_tcp_handle_invalid+0x642/0x642 [ 63.451423][ T3543] ? panic+0x75d/0x75d [ 63.455512][ T3543] ? vscnprintf+0x59/0x80 [ 63.459860][ T3543] panic+0x318/0x75d [ 63.463770][ T3543] ? __warn+0x169/0x520 [ 63.467939][ T3543] ? memcpy_page_flushcache+0xfc/0xfc [ 63.473336][ T3543] ? ret_from_fork+0x1f/0x30 [ 63.477947][ T3543] __warn+0x348/0x520 [ 63.481943][ T3543] ? nilfs_dat_commit_end+0x59c/0x6a0 [ 63.487338][ T3543] report_bug+0x2af/0x500 [ 63.491716][ T3543] ? nilfs_dat_commit_end+0x59c/0x6a0 [ 63.497109][ T3543] handle_bug+0x3d/0x70 [ 63.501276][ T3543] exc_invalid_op+0x16/0x40 [ 63.505799][ T3543] asm_exc_invalid_op+0x16/0x20 [ 63.510658][ T3543] RIP: 0010:nilfs_dat_commit_end+0x59c/0x6a0 [ 63.516671][ T3543] Code: 48 89 ee 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 08 7c 03 00 e8 93 b0 3f fe e8 0e 79 b6 fd e9 d8 fc ff ff e8 84 b0 3f fe <0f> 0b e9 39 fc ff ff e8 78 b0 3f fe e8 f3 78 b6 fd 43 80 7c 35 00 [ 63.536291][ T3543] RSP: 0018:ffffc90003a4f288 EFLAGS: 00010293 [ 63.542372][ T3543] RAX: ffffffff834a144c RBX: ffff8880728661a0 RCX: ffff8880270d5940 [ 63.550354][ T3543] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000302 [ 63.558337][ T3543] RBP: 0000000000000003 R08: ffffffff834a107e R09: ffffed10043b8d1b [ 63.566340][ T3543] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076798aa0 [ 63.574322][ T3543] R13: 1ffff92000749e73 R14: 0000000000000302 R15: ffff8880270d70b0 [ 63.582313][ T3543] ? nilfs_dat_commit_end+0x1ce/0x6a0 [ 63.587704][ T3543] ? nilfs_dat_commit_end+0x59c/0x6a0 [ 63.593127][ T3543] ? nilfs_dat_commit_end+0x59c/0x6a0 [ 63.598516][ T3543] nilfs_dat_commit_update+0x25/0x40 [ 63.603819][ T3543] nilfs_direct_propagate+0x23c/0x3b0 [ 63.609230][ T3543] ? nilfs_direct_delete+0x300/0x300 [ 63.614559][ T3543] ? nilfs_segctor_add_file_block+0x2bb/0x960 [ 63.620672][ T3543] ? nilfs_segctor_add_file_block+0x4c3/0x960 [ 63.626788][ T3543] nilfs_bmap_propagate+0x6d/0x120 [ 63.631923][ T3543] nilfs_collect_file_data+0x49/0xc0 [ 63.637229][ T3543] nilfs_segctor_apply_buffers+0x180/0x330 [ 63.643050][ T3543] ? _compound_head+0x130/0x130 [ 63.648015][ T3543] nilfs_segctor_scan_file+0x82d/0xad0 [ 63.653497][ T3543] ? trace_nilfs2_collection_stage_transition+0x250/0x250 [ 63.660643][ T3543] ? rcu_is_watching+0x11/0xb0 [ 63.665426][ T3543] nilfs_segctor_do_construct+0x1ced/0x6cc0 [ 63.671390][ T3543] ? nilfs_transaction_unlock+0x210/0x210 [ 63.677159][ T3543] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 63.682639][ T3543] ? __lock_acquire+0x1f80/0x1f80 [ 63.687687][ T3543] ? do_raw_spin_unlock+0x137/0x8a0 [ 63.692901][ T3543] ? _raw_spin_unlock+0x24/0x40 [ 63.697767][ T3543] ? nilfs_segctor_confirm+0x24c/0x2d0 [ 63.703334][ T3543] nilfs_segctor_construct+0x145/0x8c0 [ 63.708814][ T3543] ? rcu_is_watching+0x11/0xb0 [ 63.713598][ T3543] nilfs_segctor_thread+0x536/0x1130 [ 63.718932][ T3543] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 63.724926][ T3543] ? nilfs_construction_timeout+0x40/0x40 [ 63.730689][ T3543] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 63.736618][ T3543] ? _raw_spin_unlock+0x40/0x40 [ 63.741599][ T3543] ? wake_bit_function+0x210/0x210 [ 63.746735][ T3543] ? _raw_spin_unlock+0x40/0x40 [ 63.751605][ T3543] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 63.757598][ T3543] ? __kthread_parkme+0x15c/0x1c0 [ 63.762634][ T3543] kthread+0x26e/0x300 [ 63.767179][ T3543] ? nilfs_construction_timeout+0x40/0x40 [ 63.772921][ T3543] ? kthread_blkcg+0xd0/0xd0 [ 63.777523][ T3543] ret_from_fork+0x1f/0x30 [ 63.781970][ T3543] [ 63.785269][ T3543] Kernel Offset: disabled [ 63.789746][ T3543] Rebooting in 86400 seconds..