Warning: Permanently added '10.128.1.64' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.848604][ T3030] loop0: detected capacity change from 0 to 2048 [ 25.854940][ T3031] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 25.855172][ T3030] INFO: trying to register non-static key. [ 25.859126][ T3030] The code is fine but needs lockdep annotation, or maybe [ 25.860909][ T3030] you didn't initialize this object before use? [ 25.862454][ T3030] turning off the locking correctness validator. [ 25.864033][ T3030] CPU: 1 PID: 3030 Comm: syz-executor398 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 25.866645][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 25.869238][ T3030] Call trace: [ 25.870038][ T3030] dump_backtrace+0x1c4/0x1f0 [ 25.871176][ T3030] show_stack+0x2c/0x54 [ 25.872203][ T3030] dump_stack_lvl+0x104/0x16c [ 25.873329][ T3030] dump_stack+0x1c/0x58 [ 25.874368][ T3030] assign_lock_key+0x134/0x140 [ 25.875539][ T3030] register_lock_class+0xc4/0x2f8 [ 25.876758][ T3030] __lock_acquire+0xa8/0x30a4 [ 25.877902][ T3030] lock_acquire+0x100/0x1f8 [ 25.879006][ T3030] down_read+0x5c/0x78 [ 25.879985][ T3030] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 25.881359][ T3030] nilfs_mdt_submit_block+0x164/0x4bc [ 25.882692][ T3030] nilfs_mdt_read_block+0x58/0x22c [ 25.883936][ T3030] nilfs_mdt_get_block+0x5c/0xcc [ 25.885176][ T3030] nilfs_palloc_get_block+0xb4/0x18c [ 25.886564][ T3030] nilfs_palloc_get_entry_block+0x90/0xa4 [ 25.887914][ T3030] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 25.889324][ T3030] nilfs_iget+0xac/0x33c [ 25.890360][ T3030] nilfs_get_root_dentry+0x38/0x180 [ 25.891721][ T3030] nilfs_fill_super+0x1e4/0x2f8 [ 25.892900][ T3030] nilfs_mount+0x370/0x52c [ 25.893996][ T3030] legacy_get_tree+0x30/0x74 [ 25.895160][ T3030] vfs_get_tree+0x40/0x140 [ 25.896294][ T3030] do_new_mount+0x1dc/0x4e4 [ 25.897408][ T3030] path_mount+0x358/0x914 [ 25.898503][ T3030] __arm64_sys_mount+0x2c4/0x3c4 [ 25.899735][ T3030] el0_svc_common+0x138/0x220 [ 25.900901][ T3030] do_el0_svc+0x48/0x164 [ 25.901938][ T3030] el0_svc+0x58/0x150 [ 25.902952][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 25.904174][ T3030] el0t_64_sync+0x18c/0x190 [ 25.905349][ T3030] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 25.907617][ T3030] Mem abort info: [ 25.908445][ T3030] ESR = 0x0000000096000006 [ 25.909489][ T3030] EC = 0x25: DABT (current EL), IL = 32 bits [ 25.910810][ T3030] SET = 0, FnV = 0 [ 25.911636][ T3030] EA = 0, S1PTW = 0 [ 25.912485][ T3030] FSC = 0x06: level 2 translation fault [ 25.913711][ T3030] Data abort info: [ 25.914618][ T3030] ISV = 0, ISS = 0x00000006 [ 25.915812][ T3030] CM = 0, WnR = 0 [ 25.916731][ T3030] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010bac0000 [ 25.918491][ T3030] [0000000000000000] pgd=080000010bbc9003, p4d=080000010bbc9003, pud=080000010bbb9003, pmd=0000000000000000 [ 25.921278][ T3030] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 25.922960][ T3030] Modules linked in: [ 25.923845][ T3030] CPU: 1 PID: 3030 Comm: syz-executor398 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 25.926355][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 25.928626][ T3030] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 25.930550][ T3030] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 25.931995][ T3030] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 25.933411][ T3030] sp : ffff8000129ab810 [ 25.934388][ T3030] x29: ffff8000129ab820 x28: 000000000000002c x27: 0000000000000000 [ 25.936444][ T3030] x26: ffff80000cd66a91 x25: ffff0000ca4ca4f8 x24: 0000000000000000 [ 25.938451][ T3030] x23: 0000000000000002 x22: ffff0000ca4ca3b8 x21: ffff8000129ab860 [ 25.940373][ T3030] x20: 0000000000000001 x19: ffff0000ca4ca3f0 x18: 00000000000000c0 [ 25.942177][ T3030] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 25.944046][ T3030] x14: 0000000000000000 x13: 205d303330335420 x12: 5b5d343731343039 [ 25.946169][ T3030] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c4ed9a80 [ 25.948135][ T3030] x8 : 0000000000000000 x7 : 205b5d3437313430 x6 : ffff80000819545c [ 25.950142][ T3030] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 25.951952][ T3030] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca4ca3b8 [ 25.953749][ T3030] Call trace: [ 25.954582][ T3030] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 25.955983][ T3030] nilfs_mdt_submit_block+0x164/0x4bc [ 25.957297][ T3030] nilfs_mdt_read_block+0x58/0x22c [ 25.958547][ T3030] nilfs_mdt_get_block+0x5c/0xcc [ 25.959733][ T3030] nilfs_palloc_get_block+0xb4/0x18c [ 25.961007][ T3030] nilfs_palloc_get_entry_block+0x90/0xa4 [ 25.962420][ T3030] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 25.963802][ T3030] nilfs_iget+0xac/0x33c [ 25.964791][ T3030] nilfs_get_root_dentry+0x38/0x180 [ 25.966082][ T3030] nilfs_fill_super+0x1e4/0x2f8 [ 25.967269][ T3030] nilfs_mount+0x370/0x52c [ 25.968307][ T3030] legacy_get_tree+0x30/0x74 [ 25.969461][ T3030] vfs_get_tree+0x40/0x140 [ 25.970580][ T3030] do_new_mount+0x1dc/0x4e4 [ 25.971784][ T3030] path_mount+0x358/0x914 [ 25.972843][ T3030] __arm64_sys_mount+0x2c4/0x3c4 [ 25.974055][ T3030] el0_svc_common+0x138/0x220 [ 25.975249][ T3030] do_el0_svc+0x48/0x164 [ 25.976314][ T3030] el0_svc+0x58/0x150 [ 25.977319][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 25.978557][ T3030] el0t_64_sync+0x18c/0x190 [ 25.979640][ T3030] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 25.981411][ T3030] ---[ end trace 0000000000000000 ]--- [ 26.118249][ T3030] Kernel panic - not syncing: Oops: Fatal exception [ 26.119916][ T3030] SMP: stopping secondary CPUs [ 26.121114][ T3030] Kernel Offset: disabled [ 26.122282][ T3030] CPU features: 0x00000,02070084,26017203 [ 26.123669][ T3030] Memory Limit: none [ 26.261682][ T3030] Rebooting in 86400 seconds..