Warning: Permanently added '10.128.1.26' (ECDSA) to the list of known hosts. executing program [ 36.310832] INFO: trying to register non-static key. [ 36.315972] The code is fine but needs lockdep annotation, or maybe [ 36.320388] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 36.322380] you didn't initialize this object before use? [ 36.337671] turning off the locking correctness validator. [ 36.343274] CPU: 0 PID: 8129 Comm: syz-executor327 Not tainted 4.19.211-syzkaller #0 [ 36.351131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.360457] Call Trace: [ 36.363030] dump_stack+0x1fc/0x2ef [ 36.366656] register_lock_class+0xe82/0x11c0 [ 36.371130] ? static_obj+0x50/0x50 [ 36.374736] __lock_acquire+0x17d/0x3ff0 [ 36.378776] ? __lock_acquire+0x6de/0x3ff0 [ 36.383011] ? mark_held_locks+0xf0/0xf0 [ 36.387081] ? mark_held_locks+0xf0/0xf0 [ 36.391129] ? lock_downgrade+0x720/0x720 [ 36.395447] ? lock_acquire+0x170/0x3c0 [ 36.399406] ? get_mem_cgroup_from_page+0x7a/0x3b0 [ 36.404334] ? check_preemption_disabled+0x41/0x280 [ 36.409333] ? check_preemption_disabled+0x41/0x280 [ 36.414331] ? alloc_buffer_head+0x20/0x130 [ 36.418633] lock_acquire+0x170/0x3c0 [ 36.422424] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 36.427506] down_read+0x36/0x80 [ 36.430853] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 36.435950] nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 36.440892] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 36.445204] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 36.450904] ? save_trace+0xd6/0x290 [ 36.454598] ? nilfs_mdt_write_page+0x280/0x280 [ 36.459248] nilfs_mdt_read_block+0x96/0x3e0 [ 36.463636] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 36.469518] ? mark_held_locks+0xf0/0xf0 [ 36.473566] nilfs_mdt_get_block+0xe6/0xd40 [ 36.477872] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 36.482523] ? lock_downgrade+0x720/0x720 [ 36.486674] ? lock_acquire+0x170/0x3c0 [ 36.490639] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 36.495392] nilfs_palloc_get_block+0xc4/0x2b0 [ 36.499974] nilfs_palloc_get_entry_block+0x17b/0x230 [ 36.505158] ? nilfs_iget+0x1cf/0x860 [ 36.508959] nilfs_ifile_get_inode_block+0xbf/0x170 [ 36.513959] nilfs_iget+0x204/0x860 [ 36.517589] ? nilfs_iget_locked+0xd0/0xd0 [ 36.521806] ? nilfs_attach_log_writer+0x68b/0xa30 [ 36.526718] ? wait_woken+0x250/0x250 [ 36.530510] ? nilfs_mount+0x9df/0xe70 [ 36.534386] nilfs_get_root_dentry+0x26/0x250 [ 36.538867] nilfs_mount+0xac8/0xe70 [ 36.542566] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 36.547518] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.552515] ? pcpu_alloc+0xc9/0x1190 [ 36.556306] ? alloc_pages_current+0x19b/0x2a0 [ 36.560891] mount_fs+0xa3/0x310 [ 36.564248] vfs_kern_mount.part.0+0x68/0x470 [ 36.568747] do_mount+0x115c/0x2f50 [ 36.572366] ? lock_acquire+0x170/0x3c0 [ 36.576322] ? check_preemption_disabled+0x41/0x280 [ 36.581404] ? copy_mount_string+0x40/0x40 [ 36.586095] ? copy_mount_options+0x59/0x380 [ 36.590482] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.595485] ? kmem_cache_alloc_trace+0x323/0x380 [ 36.600305] ? copy_mount_options+0x26f/0x380 [ 36.604780] ksys_mount+0xcf/0x130 [ 36.608303] __x64_sys_mount+0xba/0x150 [ 36.612271] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.616835] do_syscall_64+0xf9/0x620 [ 36.620618] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.625797] RIP: 0033:0x7fc43b3286da [ 36.629493] 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 [ 36.648374] RSP: 002b:00007ffedcc05d58 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 36.656060] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc43b3286da [ 36.663313] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffedcc05d70 [ 36.670570] RBP: 00007ffedcc05d70 R08: 00007ffedcc05db0 R09: 00005555561622c0 [ 36.677954] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 36.685208] R13: 00007ffedcc05db0 R14: 000000000000003b R15: 0000000020000788 [ 36.692718] kasan: CONFIG_KASAN_INLINE enabled [ 36.697480] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.704845] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.711084] CPU: 0 PID: 8129 Comm: syz-executor327 Not tainted 4.19.211-syzkaller #0 [ 36.718955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.728301] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 36.733992] 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 [ 36.752878] RSP: 0018:ffff888095437650 EFLAGS: 00010246 [ 36.758240] RAX: 0000000000000000 RBX: ffff88808b03e098 RCX: 0000000000000000 [ 36.765492] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff88808b03e158 [ 36.772739] RBP: ffff888095437738 R08: 0000000000000001 R09: 0000000000000000 [ 36.779987] R10: 0000000000000005 R11: ffffffff8c66501b R12: 0000000000000002 [ 36.787235] R13: 1ffff11012a86ecb R14: ffff88808b03e0d0 R15: 0000000000000001 [ 36.795787] FS: 0000555556162300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 36.803986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.809843] CR2: 00007fc43b300d10 CR3: 00000000b3bd4000 CR4: 00000000003406f0 [ 36.817093] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.824341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.831598] Call Trace: [ 36.834168] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 36.838473] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 36.844163] ? save_trace+0xd6/0x290 [ 36.847857] ? nilfs_mdt_write_page+0x280/0x280 [ 36.852506] nilfs_mdt_read_block+0x96/0x3e0 [ 36.856893] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 36.862757] ? mark_held_locks+0xf0/0xf0 [ 36.866800] nilfs_mdt_get_block+0xe6/0xd40 [ 36.871101] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 36.875747] ? lock_downgrade+0x720/0x720 [ 36.879871] ? lock_acquire+0x170/0x3c0 [ 36.883827] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 36.888564] nilfs_palloc_get_block+0xc4/0x2b0 [ 36.893140] nilfs_palloc_get_entry_block+0x17b/0x230 [ 36.898318] ? nilfs_iget+0x1cf/0x860 [ 36.902098] nilfs_ifile_get_inode_block+0xbf/0x170 [ 36.907092] nilfs_iget+0x204/0x860 [ 36.910698] ? nilfs_iget_locked+0xd0/0xd0 [ 36.914920] ? nilfs_attach_log_writer+0x68b/0xa30 [ 36.919834] ? wait_woken+0x250/0x250 [ 36.923729] ? nilfs_mount+0x9df/0xe70 [ 36.927614] nilfs_get_root_dentry+0x26/0x250 [ 36.932098] nilfs_mount+0xac8/0xe70 [ 36.935795] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 36.940708] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.945702] ? pcpu_alloc+0xc9/0x1190 [ 36.949484] ? alloc_pages_current+0x19b/0x2a0 [ 36.954043] mount_fs+0xa3/0x310 [ 36.957494] vfs_kern_mount.part.0+0x68/0x470 [ 36.961967] do_mount+0x115c/0x2f50 [ 36.965591] ? lock_acquire+0x170/0x3c0 [ 36.969697] ? check_preemption_disabled+0x41/0x280 [ 36.974689] ? copy_mount_string+0x40/0x40 [ 36.978903] ? copy_mount_options+0x59/0x380 [ 36.983292] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.988311] ? kmem_cache_alloc_trace+0x323/0x380 [ 36.993219] ? copy_mount_options+0x26f/0x380 [ 36.997701] ksys_mount+0xcf/0x130 [ 37.001221] __x64_sys_mount+0xba/0x150 [ 37.005179] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.009739] do_syscall_64+0xf9/0x620 [ 37.013522] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.018808] RIP: 0033:0x7fc43b3286da [ 37.022513] 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 [ 37.041409] RSP: 002b:00007ffedcc05d58 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 37.049104] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc43b3286da [ 37.056788] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffedcc05d70 [ 37.064039] RBP: 00007ffedcc05d70 R08: 00007ffedcc05db0 R09: 00005555561622c0 [ 37.071287] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 37.078538] R13: 00007ffedcc05db0 R14: 000000000000003b R15: 0000000020000788 [ 37.085794] Modules linked in: [ 37.089178] ---[ end trace 1a6bc191deb0479e ]--- [ 37.093986] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 37.099913] 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 [ 37.118871] RSP: 0018:ffff888095437650 EFLAGS: 00010246 [ 37.124239] RAX: 0000000000000000 RBX: ffff88808b03e098 RCX: 0000000000000000 [ 37.131572] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff88808b03e158 [ 37.138895] RBP: ffff888095437738 R08: 0000000000000001 R09: 0000000000000000 [ 37.146364] R10: 0000000000000005 R11: ffffffff8c66501b R12: 0000000000000002 [ 37.153736] R13: 1ffff11012a86ecb R14: ffff88808b03e0d0 R15: 0000000000000001 [ 37.161054] FS: 0000555556162300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 37.169375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.175279] CR2: 00007fc43b300d10 CR3: 00000000b3bd4000 CR4: 00000000003406f0 [ 37.182551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.189845] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.197156] Kernel panic - not syncing: Fatal exception [ 37.202758] Kernel Offset: disabled [ 37.206366] Rebooting in 86400 seconds..