Warning: Permanently added '10.128.0.98' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.746900] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 38.747083] INFO: trying to register non-static key. [ 38.761826] The code is fine but needs lockdep annotation, or maybe [ 38.768227] you didn't initialize this object before use? [ 38.773759] turning off the locking correctness validator. [ 38.779401] CPU: 1 PID: 8094 Comm: syz-executor166 Not tainted 4.19.211-syzkaller #0 [ 38.787274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.796721] Call Trace: [ 38.799317] dump_stack+0x1fc/0x2ef [ 38.802927] register_lock_class+0xe82/0x11c0 [ 38.807402] ? static_obj+0x50/0x50 [ 38.811007] __lock_acquire+0x17d/0x3ff0 [ 38.815048] ? __lock_acquire+0x6de/0x3ff0 [ 38.819269] ? mark_held_locks+0xf0/0xf0 [ 38.823338] ? mark_held_locks+0xf0/0xf0 [ 38.827382] ? lock_downgrade+0x720/0x720 [ 38.831510] ? lock_acquire+0x170/0x3c0 [ 38.835462] ? get_mem_cgroup_from_page+0x7a/0x3b0 [ 38.840381] ? check_preemption_disabled+0x41/0x280 [ 38.845397] ? check_preemption_disabled+0x41/0x280 [ 38.850425] ? alloc_buffer_head+0x20/0x130 [ 38.854933] lock_acquire+0x170/0x3c0 [ 38.858734] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 38.863842] down_read+0x36/0x80 [ 38.867200] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 38.872290] nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 38.877201] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 38.881507] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 38.887197] ? save_trace+0xd6/0x290 [ 38.890894] ? nilfs_mdt_write_page+0x280/0x280 [ 38.895545] nilfs_mdt_read_block+0x96/0x3e0 [ 38.899935] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 38.905800] ? mark_held_locks+0xf0/0xf0 [ 38.909844] nilfs_mdt_get_block+0xe6/0xd40 [ 38.914147] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 38.918793] ? lock_downgrade+0x720/0x720 [ 38.922919] ? lock_acquire+0x170/0x3c0 [ 38.926875] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 38.931615] nilfs_palloc_get_block+0xc4/0x2b0 [ 38.936178] nilfs_palloc_get_entry_block+0x17b/0x230 [ 38.941352] ? nilfs_iget+0x1cf/0x860 [ 38.945135] nilfs_ifile_get_inode_block+0xbf/0x170 [ 38.950136] nilfs_iget+0x204/0x860 [ 38.953765] ? nilfs_iget_locked+0xd0/0xd0 [ 38.957986] ? nilfs_attach_log_writer+0x68b/0xa30 [ 38.962895] ? wait_woken+0x250/0x250 [ 38.966679] ? nilfs_mount+0x9df/0xe70 [ 38.970550] nilfs_get_root_dentry+0x26/0x250 [ 38.975027] nilfs_mount+0xac8/0xe70 [ 38.978721] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 38.983644] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.988661] ? pcpu_alloc+0xc9/0x1190 [ 38.992447] ? alloc_pages_current+0x19b/0x2a0 [ 38.997015] mount_fs+0xa3/0x310 [ 39.000384] vfs_kern_mount.part.0+0x68/0x470 [ 39.004862] do_mount+0x115c/0x2f50 [ 39.008476] ? cmp_ex_sort+0xc0/0xc0 [ 39.012176] ? __do_page_fault+0x180/0xd60 [ 39.016391] ? copy_mount_string+0x40/0x40 [ 39.020610] ? copy_mount_options+0x1cd/0x380 [ 39.025085] ? memset+0x20/0x40 [ 39.028346] ? copy_mount_options+0x26f/0x380 [ 39.032826] ksys_mount+0xcf/0x130 [ 39.036346] __x64_sys_mount+0xba/0x150 [ 39.040305] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.044869] do_syscall_64+0xf9/0x620 [ 39.048652] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.053822] RIP: 0033:0x7f309765673a [ 39.057519] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 39.076399] RSP: 002b:00007ffdb3c9a488 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 39.084085] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f309765673a [ 39.091336] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffdb3c9a4a0 [ 39.098588] RBP: 00007ffdb3c9a4a0 R08: 00007ffdb3c9a4e0 R09: 00005555573f42c0 [ 39.105835] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 39.113084] R13: 00007ffdb3c9a4e0 R14: 000000000000003b R15: 0000000020000788 [ 39.120601] kasan: CONFIG_KASAN_INLINE enabled [ 39.125242] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 39.132746] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 39.138980] CPU: 1 PID: 8094 Comm: syz-executor166 Not tainted 4.19.211-syzkaller #0 [ 39.146855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.156200] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 39.161902] Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 95 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 7d 02 00 00 4c 89 e6 48 89 e9 44 89 fa 48 89 df [ 39.180883] RSP: 0018:ffff8880b1717650 EFLAGS: 00010246 [ 39.186229] RAX: 0000000000000000 RBX: ffff8880b547f098 RCX: 0000000000000000 [ 39.193478] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff8880b547f158 [ 39.200729] RBP: ffff8880b1717738 R08: 0000000000000001 R09: 0000000000000000 [ 39.207982] R10: 0000000000000005 R11: ffffffff8c66505b R12: 0000000000000002 [ 39.215233] R13: 1ffff110162e2ecb R14: ffff8880b547f0d0 R15: 0000000000000001 [ 39.222486] FS: 00005555573f4300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 39.230706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.236568] CR2: 00007fff30251bf8 CR3: 0000000098b3c000 CR4: 00000000003406e0 [ 39.243845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.251095] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.258342] Call Trace: [ 39.260919] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 39.265230] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 39.271099] ? save_trace+0xd6/0x290 [ 39.274795] ? nilfs_mdt_write_page+0x280/0x280 [ 39.279451] nilfs_mdt_read_block+0x96/0x3e0 [ 39.283847] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 39.289724] ? mark_held_locks+0xf0/0xf0 [ 39.293770] nilfs_mdt_get_block+0xe6/0xd40 [ 39.298075] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 39.302733] ? lock_downgrade+0x720/0x720 [ 39.306862] ? lock_acquire+0x170/0x3c0 [ 39.310822] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 39.315565] nilfs_palloc_get_block+0xc4/0x2b0 [ 39.320131] nilfs_palloc_get_entry_block+0x17b/0x230 [ 39.325301] ? nilfs_iget+0x1cf/0x860 [ 39.329085] nilfs_ifile_get_inode_block+0xbf/0x170 [ 39.334093] nilfs_iget+0x204/0x860 [ 39.337707] ? nilfs_iget_locked+0xd0/0xd0 [ 39.341925] ? nilfs_attach_log_writer+0x68b/0xa30 [ 39.346848] ? wait_woken+0x250/0x250 [ 39.350632] ? nilfs_mount+0x9df/0xe70 [ 39.354506] nilfs_get_root_dentry+0x26/0x250 [ 39.358989] nilfs_mount+0xac8/0xe70 [ 39.362689] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 39.367604] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.372604] ? pcpu_alloc+0xc9/0x1190 [ 39.376388] ? alloc_pages_current+0x19b/0x2a0 [ 39.380956] mount_fs+0xa3/0x310 [ 39.384305] vfs_kern_mount.part.0+0x68/0x470 [ 39.388802] do_mount+0x115c/0x2f50 [ 39.392507] ? cmp_ex_sort+0xc0/0xc0 [ 39.396222] ? __do_page_fault+0x180/0xd60 [ 39.400444] ? copy_mount_string+0x40/0x40 [ 39.404663] ? copy_mount_options+0x1cd/0x380 [ 39.409149] ? memset+0x20/0x40 [ 39.412415] ? copy_mount_options+0x26f/0x380 [ 39.417027] ksys_mount+0xcf/0x130 [ 39.420550] __x64_sys_mount+0xba/0x150 [ 39.424507] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.429073] do_syscall_64+0xf9/0x620 [ 39.432859] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.438032] RIP: 0033:0x7f309765673a [ 39.441729] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 39.460614] RSP: 002b:00007ffdb3c9a488 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 39.468303] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f309765673a [ 39.475558] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffdb3c9a4a0 [ 39.482809] RBP: 00007ffdb3c9a4a0 R08: 00007ffdb3c9a4e0 R09: 00005555573f42c0 [ 39.490061] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 39.497312] R13: 00007ffdb3c9a4e0 R14: 000000000000003b R15: 0000000020000788 [ 39.504564] Modules linked in: [ 39.507989] ---[ end trace 8480e5fdeb00e6f1 ]--- [ 39.512905] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 39.518622] Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 95 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 7d 02 00 00 4c 89 e6 48 89 e9 44 89 fa 48 89 df [ 39.537581] RSP: 0018:ffff8880b1717650 EFLAGS: 00010246 [ 39.543001] RAX: 0000000000000000 RBX: ffff8880b547f098 RCX: 0000000000000000 [ 39.550265] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff8880b547f158 [ 39.557579] RBP: ffff8880b1717738 R08: 0000000000000001 R09: 0000000000000000 [ 39.564897] R10: 0000000000000005 R11: ffffffff8c66505b R12: 0000000000000002 [ 39.573515] R13: 1ffff110162e2ecb R14: ffff8880b547f0d0 R15: 0000000000000001 [ 39.580964] FS: 00005555573f4300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 39.589220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.595153] CR2: 00007fff30251bf8 CR3: 0000000098b3c000 CR4: 00000000003406e0 [ 39.602475] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.609746] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.617048] Kernel panic - not syncing: Fatal exception [ 39.622587] Kernel Offset: disabled [ 39.626204] Rebooting in 86400 seconds..