Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. executing program [ 28.885525] INFO: trying to register non-static key. [ 28.890649] the code is fine but needs lockdep annotation. [ 28.896256] turning off the locking correctness validator. [ 28.901884] CPU: 0 PID: 7971 Comm: syz-executor255 Not tainted 4.14.295-syzkaller #0 [ 28.904912] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 28.909761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 28.909765] Call Trace: [ 28.909789] dump_stack+0x1b2/0x281 [ 28.909800] register_lock_class+0x389/0x1180 [ 28.909807] ? static_obj+0x50/0x50 [ 28.909813] ? add_lock_to_list.constprop.0+0x17d/0x330 [ 28.909817] ? save_trace+0xd6/0x290 [ 28.909822] __lock_acquire+0x167/0x3f20 [ 28.909832] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.909838] ? trace_hardirqs_on+0x10/0x10 [ 28.909842] ? trace_hardirqs_on+0x10/0x10 [ 28.909851] ? alloc_buffer_head+0x20/0x110 [ 28.909859] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 28.909869] lock_acquire+0x170/0x3f0 [ 28.983273] ? nilfs_bmap_lookup_at_level+0x6b/0x380 [ 28.988360] down_read+0x36/0x80 [ 28.991705] ? nilfs_bmap_lookup_at_level+0x6b/0x380 [ 28.996787] nilfs_bmap_lookup_at_level+0x6b/0x380 [ 29.001693] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 29.005991] nilfs_mdt_submit_block.constprop.0+0x152/0x970 [ 29.011683] ? nilfs_mdt_write_page+0x250/0x250 [ 29.016346] nilfs_mdt_read_block+0x7c/0x320 [ 29.020749] ? nilfs_mdt_submit_block.constprop.0+0x970/0x970 [ 29.026626] ? finish_task_switch+0x178/0x610 [ 29.031110] ? finish_task_switch+0x14d/0x610 [ 29.035586] nilfs_mdt_get_block+0xc7/0xb90 [ 29.039887] ? nilfs_mdt_read_block+0x320/0x320 [ 29.044535] ? lock_downgrade+0x740/0x740 [ 29.048809] nilfs_palloc_get_block+0xb2/0x250 [ 29.053373] nilfs_palloc_get_entry_block+0x17d/0x230 [ 29.058544] nilfs_ifile_get_inode_block+0xb4/0x150 [ 29.063537] nilfs_iget+0x1c2/0x810 [ 29.067140] ? nilfs_iget_locked+0xb0/0xb0 [ 29.071357] ? nilfs_attach_log_writer+0x64d/0x9d0 [ 29.076268] ? nilfs_detach_log_writer+0x980/0x980 [ 29.081305] ? wait_woken+0x230/0x230 [ 29.085088] nilfs_get_root_dentry+0x24/0x1f0 [ 29.089659] nilfs_mount+0x984/0xd00 [ 29.093373] ? nilfs_attach_checkpoint+0x420/0x420 [ 29.098282] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.103716] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.108709] ? alloc_pages_current+0x15d/0x260 [ 29.113424] ? __lockdep_init_map+0x100/0x560 [ 29.117900] mount_fs+0x92/0x2a0 [ 29.121249] vfs_kern_mount.part.0+0x5b/0x470 [ 29.125746] do_mount+0xe65/0x2a30 [ 29.129268] ? retint_kernel+0x2d/0x2d [ 29.133133] ? copy_mount_string+0x40/0x40 [ 29.137671] ? memset+0x20/0x40 [ 29.141014] ? copy_mount_options+0x1fa/0x2f0 [ 29.145486] ? copy_mnt_ns+0xa30/0xa30 [ 29.149351] SyS_mount+0xa8/0x120 [ 29.152779] ? copy_mnt_ns+0xa30/0xa30 [ 29.156648] do_syscall_64+0x1d5/0x640 [ 29.160512] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.165678] RIP: 0033:0x7f72d651973a [ 29.169365] RSP: 002b:00007ffc497d43b8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 29.177052] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f72d651973a [ 29.184300] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffc497d43d0 [ 29.191549] RBP: 00007ffc497d43d0 R08: 00007ffc497d4410 R09: 000055555691c2c0 [ 29.198796] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 29.206046] R13: 00007ffc497d4410 R14: 000000000000003b R15: 0000000020000788 [ 29.214066] kasan: CONFIG_KASAN_INLINE enabled [ 29.218689] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.226382] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 29.232631] Modules linked in: [ 29.235809] CPU: 0 PID: 7971 Comm: syz-executor255 Not tainted 4.14.295-syzkaller #0 [ 29.244006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 29.253344] task: ffff8880959a0500 task.stack: ffff8880b35c0000 [ 29.259384] RIP: 0010:nilfs_bmap_lookup_at_level+0xa5/0x380 [ 29.265183] RSP: 0018:ffff8880b35c7750 EFLAGS: 00010246 [ 29.270531] RAX: 0000000000000000 RBX: ffff88808defc098 RCX: 0000000000000000 [ 29.277887] RDX: dffffc0000000000 RSI: 1ffff110166b8e93 RDI: ffff88808defc158 [ 29.285133] RBP: ffff8880b35c7818 R08: 0000000000000001 R09: 0000000000000000 [ 29.292383] R10: 0000000000000001 R11: ffff8880959a0500 R12: 0000000000000002 [ 29.299632] R13: 1ffff110166b8eeb R14: ffff88808defc0d0 R15: 0000000000000001 [ 29.306917] FS: 000055555691c300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 29.315132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.320999] CR2: 00007ffc497d5000 CR3: 00000000a7fa8000 CR4: 00000000003406f0 [ 29.328366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.335616] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.342867] Call Trace: [ 29.345438] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 29.349742] nilfs_mdt_submit_block.constprop.0+0x152/0x970 [ 29.355518] ? nilfs_mdt_write_page+0x250/0x250 [ 29.360165] nilfs_mdt_read_block+0x7c/0x320 [ 29.364553] ? nilfs_mdt_submit_block.constprop.0+0x970/0x970 [ 29.370422] ? finish_task_switch+0x178/0x610 [ 29.374899] ? finish_task_switch+0x14d/0x610 [ 29.379377] nilfs_mdt_get_block+0xc7/0xb90 [ 29.383694] ? nilfs_mdt_read_block+0x320/0x320 [ 29.388347] ? lock_downgrade+0x740/0x740 [ 29.392481] nilfs_palloc_get_block+0xb2/0x250 [ 29.397043] nilfs_palloc_get_entry_block+0x17d/0x230 [ 29.402243] nilfs_ifile_get_inode_block+0xb4/0x150 [ 29.407257] nilfs_iget+0x1c2/0x810 [ 29.410879] ? nilfs_iget_locked+0xb0/0xb0 [ 29.415101] ? nilfs_attach_log_writer+0x64d/0x9d0 [ 29.420050] ? nilfs_detach_log_writer+0x980/0x980 [ 29.424971] ? wait_woken+0x230/0x230 [ 29.428843] nilfs_get_root_dentry+0x24/0x1f0 [ 29.433320] nilfs_mount+0x984/0xd00 [ 29.437360] ? nilfs_attach_checkpoint+0x420/0x420 [ 29.442271] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.447703] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.452701] ? alloc_pages_current+0x15d/0x260 [ 29.457266] ? __lockdep_init_map+0x100/0x560 [ 29.461741] mount_fs+0x92/0x2a0 [ 29.465090] vfs_kern_mount.part.0+0x5b/0x470 [ 29.469570] do_mount+0xe65/0x2a30 [ 29.473091] ? retint_kernel+0x2d/0x2d [ 29.476959] ? copy_mount_string+0x40/0x40 [ 29.481182] ? memset+0x20/0x40 [ 29.484443] ? copy_mount_options+0x1fa/0x2f0 [ 29.488915] ? copy_mnt_ns+0xa30/0xa30 [ 29.492781] SyS_mount+0xa8/0x120 [ 29.496213] ? copy_mnt_ns+0xa30/0xa30 [ 29.500103] do_syscall_64+0x1d5/0x640 [ 29.503979] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.509160] RIP: 0033:0x7f72d651973a [ 29.512848] RSP: 002b:00007ffc497d43b8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 29.520746] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f72d651973a [ 29.527996] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffc497d43d0 [ 29.535658] RBP: 00007ffc497d43d0 R08: 00007ffc497d4410 R09: 000055555691c2c0 [ 29.542915] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 29.550265] R13: 00007ffc497d4410 R14: 000000000000003b R15: 0000000020000788 [ 29.557516] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 69 02 00 00 48 8b 83 c0 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 c1 e9 03 <80> 3c 11 00 0f 85 32 02 00 00 4c 89 e6 48 89 e9 44 89 fa 48 89 [ 29.576587] RIP: nilfs_bmap_lookup_at_level+0xa5/0x380 RSP: ffff8880b35c7750 [ 29.584060] ---[ end trace bdd70429ba145558 ]--- [ 29.588893] Kernel panic - not syncing: Fatal exception [ 29.594481] Kernel Offset: disabled [ 29.598358] Rebooting in 86400 seconds..