Warning: Permanently added '10.128.0.223' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.226571][ T3036] loop0: detected capacity change from 0 to 2048 [ 26.233153][ T3037] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 26.233287][ T3036] INFO: trying to register non-static key. [ 26.236948][ T3036] The code is fine but needs lockdep annotation, or maybe [ 26.238649][ T3036] you didn't initialize this object before use? [ 26.240173][ T3036] turning off the locking correctness validator. [ 26.241733][ T3036] CPU: 1 PID: 3036 Comm: syz-executor313 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.244302][ T3036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.246920][ T3036] Call trace: [ 26.247700][ T3036] dump_backtrace+0x1c4/0x1f0 [ 26.248851][ T3036] show_stack+0x2c/0x54 [ 26.249860][ T3036] dump_stack_lvl+0x104/0x16c [ 26.250963][ T3036] dump_stack+0x1c/0x58 [ 26.251955][ T3036] assign_lock_key+0x134/0x140 [ 26.253326][ T3036] register_lock_class+0xc4/0x2f8 [ 26.254482][ T3036] __lock_acquire+0xa8/0x30a4 [ 26.255691][ T3036] lock_acquire+0x100/0x1f8 [ 26.256798][ T3036] down_read+0x5c/0x78 [ 26.257827][ T3036] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.259131][ T3036] nilfs_mdt_submit_block+0x164/0x4bc [ 26.260440][ T3036] nilfs_mdt_read_block+0x58/0x22c [ 26.261734][ T3036] nilfs_mdt_get_block+0x5c/0xcc [ 26.262832][ T3036] nilfs_palloc_get_block+0xb4/0x18c [ 26.264119][ T3036] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.265503][ T3036] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.266978][ T3036] nilfs_iget+0xac/0x33c [ 26.267980][ T3036] nilfs_get_root_dentry+0x38/0x180 [ 26.269246][ T3036] nilfs_fill_super+0x1e4/0x2f8 [ 26.270415][ T3036] nilfs_mount+0x370/0x52c [ 26.271475][ T3036] legacy_get_tree+0x30/0x74 [ 26.272578][ T3036] vfs_get_tree+0x40/0x140 [ 26.273623][ T3036] do_new_mount+0x1dc/0x4e4 [ 26.274733][ T3036] path_mount+0x358/0x914 [ 26.275762][ T3036] __arm64_sys_mount+0x2c4/0x3c4 [ 26.276960][ T3036] el0_svc_common+0x138/0x220 [ 26.278069][ T3036] do_el0_svc+0x48/0x164 [ 26.279113][ T3036] el0_svc+0x58/0x150 [ 26.280036][ T3036] el0t_64_sync_handler+0x84/0xf0 [ 26.281140][ T3036] el0t_64_sync+0x18c/0x190 [ 26.282342][ T3036] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 26.284534][ T3036] Mem abort info: [ 26.285321][ T3036] ESR = 0x0000000096000006 [ 26.286442][ T3036] EC = 0x25: DABT (current EL), IL = 32 bits [ 26.287888][ T3036] SET = 0, FnV = 0 [ 26.288817][ T3036] EA = 0, S1PTW = 0 [ 26.289479][ T3036] FSC = 0x06: level 2 translation fault [ 26.290519][ T3036] Data abort info: [ 26.291260][ T3036] ISV = 0, ISS = 0x00000006 [ 26.292191][ T3036] CM = 0, WnR = 0 [ 26.292912][ T3036] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b4c6000 [ 26.294700][ T3036] [0000000000000000] pgd=08000001097fb003, p4d=08000001097fb003, pud=080000010b69d003, pmd=0000000000000000 [ 26.297436][ T3036] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 26.299122][ T3036] Modules linked in: [ 26.300022][ T3036] CPU: 1 PID: 3036 Comm: syz-executor313 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.302541][ T3036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.305009][ T3036] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.307102][ T3036] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.308620][ T3036] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.310104][ T3036] sp : ffff80000ff7b810 [ 26.311119][ T3036] x29: ffff80000ff7b820 x28: 000000000000002c x27: 0000000000000000 [ 26.313059][ T3036] x26: ffff80000cd66a91 x25: ffff0000ca8f24f8 x24: 0000000000000000 [ 26.315075][ T3036] x23: 0000000000000002 x22: ffff0000ca8f23b8 x21: ffff80000ff7b860 [ 26.317034][ T3036] x20: 0000000000000001 x19: ffff0000ca8f23f0 x18: 00000000000000c0 [ 26.318967][ T3036] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 26.320999][ T3036] x14: 0000000000000000 x13: 205d363330335420 x12: 5b5d303431313832 [ 26.322999][ T3036] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c6710000 [ 26.324949][ T3036] x8 : 0000000000000000 x7 : 205b5d3034313138 x6 : ffff80000819545c [ 26.327043][ T3036] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 26.328951][ T3036] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca8f23b8 [ 26.330498][ T3036] Call trace: [ 26.331080][ T3036] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.332227][ T3036] nilfs_mdt_submit_block+0x164/0x4bc [ 26.333467][ T3036] nilfs_mdt_read_block+0x58/0x22c [ 26.334754][ T3036] nilfs_mdt_get_block+0x5c/0xcc [ 26.335930][ T3036] nilfs_palloc_get_block+0xb4/0x18c [ 26.337185][ T3036] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.338428][ T3036] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.339612][ T3036] nilfs_iget+0xac/0x33c [ 26.340467][ T3036] nilfs_get_root_dentry+0x38/0x180 [ 26.341734][ T3036] nilfs_fill_super+0x1e4/0x2f8 [ 26.342921][ T3036] nilfs_mount+0x370/0x52c [ 26.343992][ T3036] legacy_get_tree+0x30/0x74 [ 26.345082][ T3036] vfs_get_tree+0x40/0x140 [ 26.346186][ T3036] do_new_mount+0x1dc/0x4e4 [ 26.347485][ T3036] path_mount+0x358/0x914 [ 26.348537][ T3036] __arm64_sys_mount+0x2c4/0x3c4 [ 26.349677][ T3036] el0_svc_common+0x138/0x220 [ 26.350701][ T3036] do_el0_svc+0x48/0x164 [ 26.351882][ T3036] el0_svc+0x58/0x150 [ 26.352848][ T3036] el0t_64_sync_handler+0x84/0xf0 [ 26.354072][ T3036] el0t_64_sync+0x18c/0x190 [ 26.355210][ T3036] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 26.356902][ T3036] ---[ end trace 0000000000000000 ]--- [ 26.506807][ T3036] Kernel panic - not syncing: Oops: Fatal exception [ 26.508477][ T3036] SMP: stopping secondary CPUs [ 26.509583][ T3036] Kernel Offset: disabled [ 26.510673][ T3036] CPU features: 0x00000,02070084,26017203 [ 26.512107][ T3036] Memory Limit: none [ 26.665853][ T3036] Rebooting in 86400 seconds..