Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.089193] INFO: trying to register non-static key. [ 35.092957] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 35.094400] The code is fine but needs lockdep annotation, or maybe [ 35.110912] you didn't initialize this object before use? [ 35.116448] turning off the locking correctness validator. [ 35.122185] CPU: 1 PID: 8100 Comm: syz-executor302 Not tainted 4.19.211-syzkaller #0 [ 35.130043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.139506] Call Trace: [ 35.142083] dump_stack+0x1fc/0x2ef [ 35.145692] register_lock_class+0xe82/0x11c0 [ 35.150165] ? static_obj+0x50/0x50 [ 35.153769] __lock_acquire+0x17d/0x3ff0 [ 35.157806] ? __lock_acquire+0x6de/0x3ff0 [ 35.162024] ? mark_held_locks+0xf0/0xf0 [ 35.166067] ? mark_held_locks+0xf0/0xf0 [ 35.170107] ? lock_downgrade+0x720/0x720 [ 35.174230] ? lock_acquire+0x170/0x3c0 [ 35.178301] ? get_mem_cgroup_from_page+0x7a/0x3b0 [ 35.183235] ? check_preemption_disabled+0x41/0x280 [ 35.188269] ? check_preemption_disabled+0x41/0x280 [ 35.193353] ? alloc_buffer_head+0x20/0x130 [ 35.197654] lock_acquire+0x170/0x3c0 [ 35.202478] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 35.207559] down_read+0x36/0x80 [ 35.210904] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 35.215981] nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 35.220890] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 35.225201] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 35.230899] ? save_trace+0xd6/0x290 [ 35.234617] ? nilfs_mdt_write_page+0x280/0x280 [ 35.239266] nilfs_mdt_read_block+0x96/0x3e0 [ 35.243673] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 35.249536] ? mark_held_locks+0xf0/0xf0 [ 35.253647] nilfs_mdt_get_block+0xe6/0xd40 [ 35.257974] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 35.262627] ? lock_downgrade+0x720/0x720 [ 35.266764] ? lock_acquire+0x170/0x3c0 [ 35.270719] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 35.275452] nilfs_palloc_get_block+0xc4/0x2b0 [ 35.280010] nilfs_palloc_get_entry_block+0x17b/0x230 [ 35.285179] ? nilfs_iget+0x1cf/0x860 [ 35.288957] nilfs_ifile_get_inode_block+0xbf/0x170 [ 35.293953] nilfs_iget+0x204/0x860 [ 35.297559] ? nilfs_iget_locked+0xd0/0xd0 [ 35.301775] ? nilfs_attach_log_writer+0x68b/0xa30 [ 35.306683] ? wait_woken+0x250/0x250 [ 35.310459] ? nilfs_mount+0x9df/0xe70 [ 35.314324] nilfs_get_root_dentry+0x26/0x250 [ 35.318908] nilfs_mount+0xac8/0xe70 [ 35.322603] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 35.327530] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.332528] ? pcpu_alloc+0xc9/0x1190 [ 35.336310] ? alloc_pages_current+0x19b/0x2a0 [ 35.340873] mount_fs+0xa3/0x310 [ 35.344220] vfs_kern_mount.part.0+0x68/0x470 [ 35.348691] do_mount+0x115c/0x2f50 [ 35.352296] ? lock_acquire+0x170/0x3c0 [ 35.356248] ? check_preemption_disabled+0x41/0x280 [ 35.361240] ? copy_mount_string+0x40/0x40 [ 35.365452] ? copy_mount_options+0x59/0x380 [ 35.369838] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.374831] ? kmem_cache_alloc_trace+0x323/0x380 [ 35.379657] ? copy_mount_options+0x26f/0x380 [ 35.384135] ksys_mount+0xcf/0x130 [ 35.387656] __x64_sys_mount+0xba/0x150 [ 35.391613] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.396176] do_syscall_64+0xf9/0x620 [ 35.400059] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.405231] RIP: 0033:0x7f79a8e265da [ 35.408923] 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 [ 35.427804] RSP: 002b:00007ffc0e6e9e18 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 35.435489] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f79a8e265da [ 35.442834] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffc0e6e9e30 [ 35.450083] RBP: 00007ffc0e6e9e30 R08: 00007ffc0e6e9e70 R09: 0000555555ef82c0 [ 35.457333] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 35.464586] R13: 00007ffc0e6e9e70 R14: 000000000000003a R15: 0000000020000770 [ 35.472167] kasan: CONFIG_KASAN_INLINE enabled [ 35.476977] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.484393] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 35.490625] CPU: 1 PID: 8100 Comm: syz-executor302 Not tainted 4.19.211-syzkaller #0 [ 35.498510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.507984] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 35.513684] 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 [ 35.534744] RSP: 0018:ffff8880a2fef650 EFLAGS: 00010246 [ 35.541240] RAX: 0000000000000000 RBX: ffff88808df93098 RCX: 0000000000000000 [ 35.548501] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff88808df93158 [ 35.555773] RBP: ffff8880a2fef738 R08: 0000000000000001 R09: 0000000000000000 [ 35.563109] R10: 0000000000000005 R11: ffffffff8c66505b R12: 0000000000000002 [ 35.570356] R13: 1ffff110145fdecb R14: ffff88808df930d0 R15: 0000000000000001 [ 35.577669] FS: 0000555555ef8300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 35.585874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.591732] CR2: 00007f15f178f6c0 CR3: 000000009c108000 CR4: 00000000003406e0 [ 35.599038] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.606287] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.613833] Call Trace: [ 35.616841] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 35.621149] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 35.626842] ? save_trace+0xd6/0x290 [ 35.630533] ? nilfs_mdt_write_page+0x280/0x280 [ 35.635201] nilfs_mdt_read_block+0x96/0x3e0 [ 35.639590] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 35.645452] ? mark_held_locks+0xf0/0xf0 [ 35.649518] nilfs_mdt_get_block+0xe6/0xd40 [ 35.653821] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 35.658470] ? lock_downgrade+0x720/0x720 [ 35.662594] ? lock_acquire+0x170/0x3c0 [ 35.666545] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 35.671281] nilfs_palloc_get_block+0xc4/0x2b0 [ 35.675848] nilfs_palloc_get_entry_block+0x17b/0x230 [ 35.681019] ? nilfs_iget+0x1cf/0x860 [ 35.684797] nilfs_ifile_get_inode_block+0xbf/0x170 [ 35.689794] nilfs_iget+0x204/0x860 [ 35.693398] ? nilfs_iget_locked+0xd0/0xd0 [ 35.697620] ? nilfs_attach_log_writer+0x68b/0xa30 [ 35.702529] ? wait_woken+0x250/0x250 [ 35.706310] ? nilfs_mount+0x9df/0xe70 [ 35.710178] nilfs_get_root_dentry+0x26/0x250 [ 35.714652] nilfs_mount+0xac8/0xe70 [ 35.718352] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 35.723263] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.728370] ? pcpu_alloc+0xc9/0x1190 [ 35.732155] ? alloc_pages_current+0x19b/0x2a0 [ 35.736715] mount_fs+0xa3/0x310 [ 35.740062] vfs_kern_mount.part.0+0x68/0x470 [ 35.744535] do_mount+0x115c/0x2f50 [ 35.748143] ? lock_acquire+0x170/0x3c0 [ 35.752100] ? check_preemption_disabled+0x41/0x280 [ 35.757093] ? copy_mount_string+0x40/0x40 [ 35.761308] ? copy_mount_options+0x59/0x380 [ 35.765696] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.770691] ? kmem_cache_alloc_trace+0x323/0x380 [ 35.775512] ? copy_mount_options+0x26f/0x380 [ 35.779983] ksys_mount+0xcf/0x130 [ 35.783503] __x64_sys_mount+0xba/0x150 [ 35.787459] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.792020] do_syscall_64+0xf9/0x620 [ 35.795804] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.800970] RIP: 0033:0x7f79a8e265da [ 35.804667] 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 [ 35.823547] RSP: 002b:00007ffc0e6e9e18 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 35.831260] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f79a8e265da [ 35.838509] RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007ffc0e6e9e30 [ 35.845761] RBP: 00007ffc0e6e9e30 R08: 00007ffc0e6e9e70 R09: 0000555555ef82c0 [ 35.853442] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 35.860693] R13: 00007ffc0e6e9e70 R14: 000000000000003a R15: 0000000020000770 [ 35.868036] Modules linked in: [ 35.871520] ---[ end trace 012f3f24d2a0fcae ]--- [ 35.876364] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 35.882167] 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 [ 35.901181] RSP: 0018:ffff8880a2fef650 EFLAGS: 00010246 [ 35.907499] RAX: 0000000000000000 RBX: ffff88808df93098 RCX: 0000000000000000 [ 35.914806] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff88808df93158 [ 35.922080] RBP: ffff8880a2fef738 R08: 0000000000000001 R09: 0000000000000000 [ 35.929397] R10: 0000000000000005 R11: ffffffff8c66505b R12: 0000000000000002 [ 35.936717] R13: 1ffff110145fdecb R14: ffff88808df930d0 R15: 0000000000000001 [ 35.944009] FS: 0000555555ef8300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 35.952225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.958146] CR2: 00007f15f178f6c0 CR3: 000000009c108000 CR4: 00000000003406e0 [ 35.965464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.972761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.980026] Kernel panic - not syncing: Fatal exception [ 35.985540] Kernel Offset: disabled [ 35.989152] Rebooting in 86400 seconds..