Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 44.502621] INFO: trying to register non-static key. [ 44.507721] The code is fine but needs lockdep annotation, or maybe [ 44.508963] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.514105] you didn't initialize this object before use? [ 44.529406] turning off the locking correctness validator. [ 44.535029] CPU: 0 PID: 8119 Comm: syz-executor125 Not tainted 4.19.211-syzkaller #0 [ 44.542895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 44.552225] Call Trace: [ 44.554795] dump_stack+0x1fc/0x2ef [ 44.558450] register_lock_class+0xe82/0x11c0 [ 44.562927] ? static_obj+0x50/0x50 [ 44.566533] __lock_acquire+0x17d/0x3ff0 [ 44.570582] ? __lock_acquire+0x6de/0x3ff0 [ 44.574798] ? mark_held_locks+0xf0/0xf0 [ 44.578837] ? mark_held_locks+0xf0/0xf0 [ 44.582879] ? lock_downgrade+0x720/0x720 [ 44.587004] ? lock_acquire+0x170/0x3c0 [ 44.590964] ? get_mem_cgroup_from_page+0x7a/0x3b0 [ 44.596063] ? check_preemption_disabled+0x41/0x280 [ 44.601064] ? check_preemption_disabled+0x41/0x280 [ 44.606063] ? alloc_buffer_head+0x20/0x130 [ 44.610365] lock_acquire+0x170/0x3c0 [ 44.614146] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 44.619232] down_read+0x36/0x80 [ 44.622582] ? nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 44.627665] nilfs_bmap_lookup_at_level+0x7b/0x3e0 [ 44.632573] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 44.636880] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 44.642597] ? save_trace+0xd6/0x290 [ 44.646293] ? nilfs_mdt_write_page+0x280/0x280 [ 44.650941] nilfs_mdt_read_block+0x96/0x3e0 [ 44.655328] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 44.661260] ? mark_held_locks+0xf0/0xf0 [ 44.665305] nilfs_mdt_get_block+0xe6/0xd40 [ 44.669608] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 44.674253] ? lock_downgrade+0x720/0x720 [ 44.678378] ? lock_acquire+0x170/0x3c0 [ 44.682330] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 44.687067] nilfs_palloc_get_block+0xc4/0x2b0 [ 44.691781] nilfs_palloc_get_entry_block+0x17b/0x230 [ 44.696959] ? nilfs_iget+0x1cf/0x860 [ 44.700850] nilfs_ifile_get_inode_block+0xbf/0x170 [ 44.705849] nilfs_iget+0x204/0x860 [ 44.709546] ? nilfs_iget_locked+0xd0/0xd0 [ 44.713782] ? nilfs_attach_log_writer+0x68b/0xa30 [ 44.718695] ? wait_woken+0x250/0x250 [ 44.722481] ? nilfs_mount+0x9df/0xe70 [ 44.726351] nilfs_get_root_dentry+0x26/0x250 [ 44.730829] nilfs_mount+0xac8/0xe70 [ 44.734527] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 44.739435] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 44.744434] ? pcpu_alloc+0xc9/0x1190 [ 44.748301] ? alloc_pages_current+0x19b/0x2a0 [ 44.752861] mount_fs+0xa3/0x310 [ 44.756209] vfs_kern_mount.part.0+0x68/0x470 [ 44.760693] do_mount+0x115c/0x2f50 [ 44.764301] ? lock_acquire+0x170/0x3c0 [ 44.768253] ? check_preemption_disabled+0x41/0x280 [ 44.773246] ? copy_mount_string+0x40/0x40 [ 44.777462] ? copy_mount_options+0x59/0x380 [ 44.781849] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 44.786851] ? kmem_cache_alloc_trace+0x323/0x380 [ 44.791674] ? copy_mount_options+0x26f/0x380 [ 44.796149] ksys_mount+0xcf/0x130 [ 44.799675] __x64_sys_mount+0xba/0x150 [ 44.803629] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 44.808189] do_syscall_64+0xf9/0x620 [ 44.811968] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.817132] RIP: 0033:0x7fbc59c5c62a [ 44.820822] 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 [ 44.839699] RSP: 002b:00007fff0d4f3428 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 44.847392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbc59c5c62a [ 44.854637] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff0d4f3440 [ 44.861884] RBP: 00007fff0d4f3440 R08: 00007fff0d4f3480 R09: 00005555558f52c0 [ 44.869138] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 44.876406] R13: 00007fff0d4f3480 R14: 0000000000000039 R15: 0000000020000758 [ 44.883966] kasan: CONFIG_KASAN_INLINE enabled [ 44.888552] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 44.896164] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 44.902412] CPU: 0 PID: 8119 Comm: syz-executor125 Not tainted 4.19.211-syzkaller #0 [ 44.910280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 44.919621] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 44.925312] 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 [ 44.944211] RSP: 0018:ffff88808c607650 EFLAGS: 00010246 [ 44.949552] RAX: 0000000000000000 RBX: ffff88808a812098 RCX: 0000000000000000 [ 44.956798] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff88808a812158 [ 44.964045] RBP: ffff88808c607738 R08: 0000000000000001 R09: 0000000000000000 [ 44.971292] R10: 0000000000000005 R11: ffffffff8c66501b R12: 0000000000000002 [ 44.978542] R13: 1ffff110118c0ecb R14: ffff88808a8120d0 R15: 0000000000000001 [ 44.985792] FS: 00005555558f5300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 44.993994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.999852] CR2: 00007ffc373a6ff8 CR3: 00000000b5074000 CR4: 00000000003406f0 [ 45.007100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.014413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.021661] Call Trace: [ 45.024232] ? nilfs_bmap_get_dat+0xc0/0xc0 [ 45.028535] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 [ 45.034224] ? save_trace+0xd6/0x290 [ 45.037917] ? nilfs_mdt_write_page+0x280/0x280 [ 45.042565] nilfs_mdt_read_block+0x96/0x3e0 [ 45.046973] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 45.052837] ? mark_held_locks+0xf0/0xf0 [ 45.056909] nilfs_mdt_get_block+0xe6/0xd40 [ 45.061220] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 45.065870] ? lock_downgrade+0x720/0x720 [ 45.069995] ? lock_acquire+0x170/0x3c0 [ 45.073948] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 45.078690] nilfs_palloc_get_block+0xc4/0x2b0 [ 45.083258] nilfs_palloc_get_entry_block+0x17b/0x230 [ 45.088428] ? nilfs_iget+0x1cf/0x860 [ 45.092207] nilfs_ifile_get_inode_block+0xbf/0x170 [ 45.097201] nilfs_iget+0x204/0x860 [ 45.100807] ? nilfs_iget_locked+0xd0/0xd0 [ 45.105020] ? nilfs_attach_log_writer+0x68b/0xa30 [ 45.109929] ? wait_woken+0x250/0x250 [ 45.113710] ? nilfs_mount+0x9df/0xe70 [ 45.117575] nilfs_get_root_dentry+0x26/0x250 [ 45.122048] nilfs_mount+0xac8/0xe70 [ 45.125743] ? nilfs_attach_checkpoint+0x4b0/0x4b0 [ 45.130653] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 45.135649] ? pcpu_alloc+0xc9/0x1190 [ 45.139447] ? alloc_pages_current+0x19b/0x2a0 [ 45.144008] mount_fs+0xa3/0x310 [ 45.147355] vfs_kern_mount.part.0+0x68/0x470 [ 45.151830] do_mount+0x115c/0x2f50 [ 45.155436] ? lock_acquire+0x170/0x3c0 [ 45.159415] ? check_preemption_disabled+0x41/0x280 [ 45.164419] ? copy_mount_string+0x40/0x40 [ 45.168636] ? copy_mount_options+0x59/0x380 [ 45.173030] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 45.178024] ? kmem_cache_alloc_trace+0x323/0x380 [ 45.182846] ? copy_mount_options+0x26f/0x380 [ 45.187320] ksys_mount+0xcf/0x130 [ 45.190840] __x64_sys_mount+0xba/0x150 [ 45.194796] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.199356] do_syscall_64+0xf9/0x620 [ 45.203143] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.208314] RIP: 0033:0x7fbc59c5c62a [ 45.212094] 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 [ 45.230972] RSP: 002b:00007fff0d4f3428 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 45.238661] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbc59c5c62a [ 45.245913] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff0d4f3440 [ 45.253167] RBP: 00007fff0d4f3440 R08: 00007fff0d4f3480 R09: 00005555558f52c0 [ 45.260413] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 45.267683] R13: 00007fff0d4f3480 R14: 0000000000000039 R15: 0000000020000758 [ 45.274932] Modules linked in: [ 45.278318] ---[ end trace 4c65e52f31fd1607 ]--- [ 45.283194] RIP: 0010:nilfs_bmap_lookup_at_level+0xb5/0x3e0 [ 45.288946] 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 [ 45.307923] RSP: 0018:ffff88808c607650 EFLAGS: 00010246 [ 45.313302] RAX: 0000000000000000 RBX: ffff88808a812098 RCX: 0000000000000000 [ 45.320604] RDX: dffffc0000000000 RSI: ffffffff814a9aa2 RDI: ffff88808a812158 [ 45.327861] RBP: ffff88808c607738 R08: 0000000000000001 R09: 0000000000000000 [ 45.335154] R10: 0000000000000005 R11: ffffffff8c66501b R12: 0000000000000002 [ 45.342497] R13: 1ffff110118c0ecb R14: ffff88808a8120d0 R15: 0000000000000001 [ 45.349843] FS: 00005555558f5300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 45.358075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.363987] CR2: 00007ffc373a6ff8 CR3: 00000000b5074000 CR4: 00000000003406f0 [ 45.371307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.378657] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.385968] Kernel panic - not syncing: Fatal exception [ 45.391380] Kernel Offset: disabled [ 45.394993] Rebooting in 86400 seconds..