Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.091977] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 36.102324] INFO: trying to register non-static key. [ 36.107443] The code is fine but needs lockdep annotation, or maybe [ 36.113837] you didn't initialize this object before use? [ 36.119362] turning off the locking correctness validator. [ 36.124969] CPU: 1 PID: 8091 Comm: syz-executor792 Not tainted 4.19.211-syzkaller #0 [ 36.132830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.142573] Call Trace: [ 36.145157] dump_stack+0x1fc/0x2ef [ 36.148774] register_lock_class+0xe82/0x11c0 [ 36.153255] ? static_obj+0x50/0x50 [ 36.156876] __lock_acquire+0x17d/0x3ff0 [ 36.160932] ? __lock_acquire+0x6de/0x3ff0 [ 36.165150] ? cache_alloc_refill+0x1da/0x340 [ 36.169622] ? mark_held_locks+0xf0/0xf0 [ 36.173661] ? mark_held_locks+0xf0/0xf0 [ 36.177702] ? lock_downgrade+0x720/0x720 [ 36.181827] ? lock_acquire+0x170/0x3c0 [ 36.185783] ? get_mem_cgroup_from_page+0x7a/0x3b0 [ 36.190692] ? check_preemption_disabled+0x41/0x280 [ 36.195687] ? alloc_buffer_head+0x20/0x130 [ 36.199987] lock_acquire+0x170/0x3c0 [ 36.203779] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 36.208858] down_read+0x36/0x80 [ 36.212200] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 36.217280] nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 36.222186] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 36.226488] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 36.232175] ? save_trace+0xd6/0x290 [ 36.235867] ? nilfs_mdt_write_page+0x280/0x280 [ 36.240515] nilfs_mdt_read_block+0x96/0x3e0 [ 36.244916] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 36.250781] ? mark_held_locks+0xf0/0xf0 [ 36.254832] nilfs_mdt_get_block+0xe6/0xd40 [ 36.259259] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 36.263913] ? lock_downgrade+0x720/0x720 [ 36.268041] ? lock_acquire+0x170/0x3c0 [ 36.271996] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 36.276759] nilfs_palloc_get_block+0xc4/0x2b0 [ 36.281327] nilfs_palloc_get_entry_block+0x17b/0x230 [ 36.286506] ? nilfs_iget+0x1cf/0x860 [ 36.290297] nilfs_ifile_get_inode_block+0xbf/0x170 [ 36.295301] nilfs_iget+0x204/0x860 [ 36.298908] ? nilfs_iget_locked+0xd0/0xd0 [ 36.303139] ? nilfs_attach_log_writer+0x68b/0xa30 [ 36.308050] ? wait_woken+0x250/0x250 [ 36.311830] ? nilfs_mount+0x9df/0xe70 [ 36.315704] nilfs_get_root_dentry+0x26/0x250 [ 36.320176] nilfs_mount+0xac8/0xe70 [ 36.323872] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 36.328781] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.333777] ? pcpu_alloc+0xc9/0x1190 [ 36.337562] ? alloc_pages_current+0x19b/0x2a0 [ 36.342140] mount_fs+0xa3/0x310 [ 36.345489] vfs_kern_mount.part.0+0x68/0x470 [ 36.349972] do_mount+0x115c/0x2f50 [ 36.353577] ? lock_acquire+0x170/0x3c0 [ 36.357533] ? check_preemption_disabled+0x41/0x280 [ 36.362530] ? copy_mount_string+0x40/0x40 [ 36.366744] ? copy_mount_options+0x59/0x380 [ 36.371145] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.376158] ? kmem_cache_alloc_trace+0x323/0x380 [ 36.380979] ? copy_mount_options+0x26f/0x380 [ 36.385455] ksys_mount+0xcf/0x130 [ 36.388976] __x64_sys_mount+0xba/0x150 [ 36.392939] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.397501] do_syscall_64+0xf9/0x620 [ 36.401283] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.406468] RIP: 0033:0x7f45999586ca [ 36.410257] 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 [ 36.429139] RSP: 002b:00007ffe705b0348 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 36.436831] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f45999586ca [ 36.444082] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe705b0360 [ 36.451337] RBP: 00007ffe705b0360 R08: 00007ffe705b03a0 R09: 0000555556b8e2c0 [ 36.458608] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 36.465864] R13: 00007ffe705b03a0 R14: 000000000000003b R15: 0000000020000788 [ 36.473413] kasan: CONFIG_KASAN_INLINE enabled [ 36.477990] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.485644] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.491882] CPU: 1 PID: 8091 Comm: syz-executor792 Not tainted 4.19.211-syzkaller #0 [ 36.499751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.509097] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 36.514794] 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 [ 36.533681] RSP: 0018:ffff888095227650 EFLAGS: 00010246 [ 36.539028] RAX: 0000000000000000 RBX: ffff888095e7a098 RCX: 0000000000000000 [ 36.546278] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff888095e7a158 [ 36.553532] RBP: ffff888095227738 R08: 0000000000000001 R09: 0000000000000000 [ 36.560782] R10: 0000000000000005 R11: ffffffff8c66505b R12: 0000000000000002 [ 36.568153] R13: 1ffff11012a44ecb R14: ffff888095e7a0d0 R15: 0000000000000001 [ 36.575415] FS: 0000555556b8e300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 36.583623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.589610] CR2: 0000558d564a9988 CR3: 00000000ab031000 CR4: 00000000003406e0 [ 36.596868] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.604127] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.611378] Call Trace: [ 36.613951] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 36.618260] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 36.624050] ? save_trace+0xd6/0x290 [ 36.627743] ? nilfs_mdt_write_page+0x280/0x280 [ 36.632394] nilfs_mdt_read_block+0x96/0x3e0 [ 36.636784] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 36.642647] ? mark_held_locks+0xf0/0xf0 [ 36.646693] nilfs_mdt_get_block+0xe6/0xd40 [ 36.651002] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 36.655649] ? lock_downgrade+0x720/0x720 [ 36.659777] ? lock_acquire+0x170/0x3c0 [ 36.663726] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 36.668467] nilfs_palloc_get_block+0xc4/0x2b0 [ 36.673060] nilfs_palloc_get_entry_block+0x17b/0x230 [ 36.678230] ? nilfs_iget+0x1cf/0x860 [ 36.682008] nilfs_ifile_get_inode_block+0xbf/0x170 [ 36.687004] nilfs_iget+0x204/0x860 [ 36.690612] ? nilfs_iget_locked+0xd0/0xd0 [ 36.694826] ? nilfs_attach_log_writer+0x68b/0xa30 [ 36.699735] ? wait_woken+0x250/0x250 [ 36.703604] ? nilfs_mount+0x9df/0xe70 [ 36.707495] nilfs_get_root_dentry+0x26/0x250 [ 36.711969] nilfs_mount+0xac8/0xe70 [ 36.715662] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 36.720571] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.725567] ? pcpu_alloc+0xc9/0x1190 [ 36.729349] ? alloc_pages_current+0x19b/0x2a0 [ 36.733916] mount_fs+0xa3/0x310 [ 36.737266] vfs_kern_mount.part.0+0x68/0x470 [ 36.741743] do_mount+0x115c/0x2f50 [ 36.745353] ? lock_acquire+0x170/0x3c0 [ 36.749314] ? check_preemption_disabled+0x41/0x280 [ 36.754490] ? copy_mount_string+0x40/0x40 [ 36.758718] ? copy_mount_options+0x59/0x380 [ 36.763127] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.768124] ? kmem_cache_alloc_trace+0x323/0x380 [ 36.772946] ? copy_mount_options+0x26f/0x380 [ 36.777426] ksys_mount+0xcf/0x130 [ 36.780949] __x64_sys_mount+0xba/0x150 [ 36.784906] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.789553] do_syscall_64+0xf9/0x620 [ 36.793378] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.798559] RIP: 0033:0x7f45999586ca [ 36.802254] 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 [ 36.821226] RSP: 002b:00007ffe705b0348 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 36.828998] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f45999586ca [ 36.836245] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe705b0360 [ 36.843503] RBP: 00007ffe705b0360 R08: 00007ffe705b03a0 R09: 0000555556b8e2c0 [ 36.850753] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 36.858003] R13: 00007ffe705b03a0 R14: 000000000000003b R15: 0000000020000788 [ 36.865261] Modules linked in: [ 36.868717] ---[ end trace be0451307ec5787e ]--- [ 36.873533] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 36.879260] 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 [ 36.898216] RSP: 0018:ffff888095227650 EFLAGS: 00010246 [ 36.903629] RAX: 0000000000000000 RBX: ffff888095e7a098 RCX: 0000000000000000 [ 36.910891] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff888095e7a158 [ 36.918199] RBP: ffff888095227738 R08: 0000000000000001 R09: 0000000000000000 [ 36.925541] R10: 0000000000000005 R11: ffffffff8c66505b R12: 0000000000000002 [ 36.932840] R13: 1ffff11012a44ecb R14: ffff888095e7a0d0 R15: 0000000000000001 [ 36.940119] FS: 0000555556b8e300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 36.948382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.954340] CR2: 0000558d564a9988 CR3: 00000000ab031000 CR4: 00000000003406e0 [ 36.961656] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.968922] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.976224] Kernel panic - not syncing: Fatal exception [ 36.981659] Kernel Offset: disabled [ 36.985272] Rebooting in 86400 seconds..