Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.180678] INFO: trying to register non-static key. [ 51.185801] the code is fine but needs lockdep annotation. [ 51.190755] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.191408] turning off the locking correctness validator. [ 51.191415] CPU: 1 PID: 7975 Comm: syz-executor186 Not tainted 4.14.295-syzkaller #0 [ 51.191418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 51.191421] Call Trace: [ 51.191432] dump_stack+0x1b2/0x281 [ 51.191442] register_lock_class+0x389/0x1180 [ 51.191451] ? static_obj+0x50/0x50 [ 51.238289] ? add_lock_to_list.constprop.0+0x17d/0x330 [ 51.243636] ? save_trace+0xd6/0x290 [ 51.247323] __lock_acquire+0x167/0x3f20 [ 51.251360] ? mem_cgroup_commit_charge+0x17c/0x3b0 [ 51.256347] ? trace_hardirqs_on+0x10/0x10 [ 51.260553] ? trace_hardirqs_on+0x10/0x10 [ 51.264766] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 51.270210] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 51.275227] ? alloc_buffer_head+0x20/0x110 [ 51.279529] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 51.284970] lock_acquire+0x170/0x3f0 [ 51.288753] ? nilfs_bmap_lookup_at_level+0x6b/0x380 [ 51.293836] down_read+0x36/0x80 [ 51.297179] ? nilfs_bmap_lookup_at_level+0x6b/0x380 [ 51.302257] nilfs_bmap_lookup_at_level+0x6b/0x380 [ 51.307159] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 51.311455] nilfs_mdt_submit_block.constprop.0+0x152/0x970 [ 51.317159] ? nilfs_mdt_write_page+0x250/0x250 [ 51.321802] nilfs_mdt_read_block+0x7c/0x320 [ 51.326196] ? nilfs_mdt_submit_block.constprop.0+0x970/0x970 [ 51.332077] ? __lock_acquire+0x2190/0x3f20 [ 51.336379] nilfs_mdt_get_block+0xc7/0xb90 [ 51.340679] ? nilfs_mdt_read_block+0x320/0x320 [ 51.345760] ? lock_downgrade+0x740/0x740 [ 51.349880] nilfs_palloc_get_block+0xb2/0x250 [ 51.354436] nilfs_palloc_get_entry_block+0x17d/0x230 [ 51.359636] ? nilfs_iget+0x18e/0x810 [ 51.363426] nilfs_ifile_get_inode_block+0xb4/0x150 [ 51.368431] nilfs_iget+0x1c2/0x810 [ 51.372043] ? nilfs_iget_locked+0xb0/0xb0 [ 51.376254] ? nilfs_attach_log_writer+0x64d/0x9d0 [ 51.381338] ? nilfs_detach_log_writer+0x980/0x980 [ 51.386265] ? wait_woken+0x230/0x230 [ 51.390046] nilfs_get_root_dentry+0x24/0x1f0 [ 51.394517] nilfs_mount+0x984/0xd00 [ 51.398204] ? nilfs_attach_checkpoint+0x420/0x420 [ 51.403155] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 51.408609] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 51.413603] ? alloc_pages_current+0x15d/0x260 [ 51.418485] ? __lockdep_init_map+0x100/0x560 [ 51.422977] mount_fs+0x92/0x2a0 [ 51.426324] vfs_kern_mount.part.0+0x5b/0x470 [ 51.430799] do_mount+0xe65/0x2a30 [ 51.434312] ? retint_kernel+0x2d/0x2d [ 51.438364] ? copy_mount_string+0x40/0x40 [ 51.442590] ? memset+0x20/0x40 [ 51.445848] ? copy_mount_options+0x1fa/0x2f0 [ 51.450317] ? copy_mnt_ns+0xa30/0xa30 [ 51.454199] SyS_mount+0xa8/0x120 [ 51.457626] ? copy_mnt_ns+0xa30/0xa30 [ 51.461486] do_syscall_64+0x1d5/0x640 [ 51.465347] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.470517] RIP: 0033:0x7fd51da9d5ca [ 51.474198] RSP: 002b:00007ffce4199888 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 51.481876] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd51da9d5ca [ 51.489122] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffce41998a0 [ 51.496372] RBP: 00007ffce41998a0 R08: 00007ffce41998e0 R09: 0000555556abd2c0 [ 51.503628] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 51.510885] R13: 00007ffce41998e0 R14: 000000000000003b R15: 0000000020000788 [ 51.518369] kasan: CONFIG_KASAN_INLINE enabled [ 51.523181] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 51.530540] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 51.536759] Modules linked in: [ 51.539931] CPU: 1 PID: 7975 Comm: syz-executor186 Not tainted 4.14.295-syzkaller #0 [ 51.547783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 51.557122] task: ffff8880a373a180 task.stack: ffff88809f210000 [ 51.563161] RIP: 0010:nilfs_bmap_lookup_at_level+0xa5/0x380 [ 51.568983] RSP: 0018:ffff88809f217750 EFLAGS: 00010246 [ 51.574426] RAX: 0000000000000000 RBX: ffff88808e385098 RCX: 0000000000000000 [ 51.581682] RDX: dffffc0000000000 RSI: 1ffff11013e42e93 RDI: ffff88808e385158 [ 51.588930] RBP: ffff88809f217818 R08: 0000000000000001 R09: 0000000000000000 [ 51.596390] R10: 0000000000000001 R11: ffff8880a373a180 R12: 0000000000000002 [ 51.603642] R13: 1ffff11013e42eeb R14: ffff88808e3850d0 R15: 0000000000000001 [ 51.610894] FS: 0000555556abd300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 51.619091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.624944] CR2: 00007ffce419a000 CR3: 000000009b4f5000 CR4: 00000000003406e0 [ 51.632188] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.639429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.646751] Call Trace: [ 51.649319] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 51.653617] nilfs_mdt_submit_block.constprop.0+0x152/0x970 [ 51.659303] ? nilfs_mdt_write_page+0x250/0x250 [ 51.663946] nilfs_mdt_read_block+0x7c/0x320 [ 51.668327] ? nilfs_mdt_submit_block.constprop.0+0x970/0x970 [ 51.674186] ? __lock_acquire+0x2190/0x3f20 [ 51.678483] nilfs_mdt_get_block+0xc7/0xb90 [ 51.682780] ? nilfs_mdt_read_block+0x320/0x320 [ 51.687424] ? lock_downgrade+0x740/0x740 [ 51.691557] nilfs_palloc_get_block+0xb2/0x250 [ 51.696202] nilfs_palloc_get_entry_block+0x17d/0x230 [ 51.701365] ? nilfs_iget+0x18e/0x810 [ 51.705141] nilfs_ifile_get_inode_block+0xb4/0x150 [ 51.710130] nilfs_iget+0x1c2/0x810 [ 51.713781] ? nilfs_iget_locked+0xb0/0xb0 [ 51.718077] ? nilfs_attach_log_writer+0x64d/0x9d0 [ 51.723136] ? nilfs_detach_log_writer+0x980/0x980 [ 51.728060] ? wait_woken+0x230/0x230 [ 51.731838] nilfs_get_root_dentry+0x24/0x1f0 [ 51.736309] nilfs_mount+0x984/0xd00 [ 51.739999] ? nilfs_attach_checkpoint+0x420/0x420 [ 51.744918] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 51.750364] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 51.756749] ? alloc_pages_current+0x15d/0x260 [ 51.761318] ? __lockdep_init_map+0x100/0x560 [ 51.765787] mount_fs+0x92/0x2a0 [ 51.769129] vfs_kern_mount.part.0+0x5b/0x470 [ 51.773599] do_mount+0xe65/0x2a30 [ 51.777111] ? retint_kernel+0x2d/0x2d [ 51.780971] ? copy_mount_string+0x40/0x40 [ 51.785191] ? memset+0x20/0x40 [ 51.788531] ? copy_mount_options+0x1fa/0x2f0 [ 51.793007] ? copy_mnt_ns+0xa30/0xa30 [ 51.796868] SyS_mount+0xa8/0x120 [ 51.800293] ? copy_mnt_ns+0xa30/0xa30 [ 51.804153] do_syscall_64+0x1d5/0x640 [ 51.808029] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 51.813201] RIP: 0033:0x7fd51da9d5ca [ 51.816978] RSP: 002b:00007ffce4199888 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 51.824847] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd51da9d5ca [ 51.832110] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffce41998a0 [ 51.839366] RBP: 00007ffce41998a0 R08: 00007ffce41998e0 R09: 0000555556abd2c0 [ 51.846615] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 51.854002] R13: 00007ffce41998e0 R14: 000000000000003b R15: 0000000020000788 [ 51.861256] 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 [ 51.880408] RIP: nilfs_bmap_lookup_at_level+0xa5/0x380 RSP: ffff88809f217750 [ 51.887658] ---[ end trace 10d40d598dc3bd89 ]--- [ 51.892597] Kernel panic - not syncing: Fatal exception [ 51.898106] Kernel Offset: disabled [ 51.901716] Rebooting in 86400 seconds..