Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.293146][ T3036] loop0: detected capacity change from 0 to 2048 [ 26.299824][ T3037] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 26.299925][ T3036] INFO: trying to register non-static key. [ 26.303457][ T3036] The code is fine but needs lockdep annotation, or maybe [ 26.304942][ T3036] you didn't initialize this object before use? [ 26.306247][ T3036] turning off the locking correctness validator. [ 26.307595][ T3036] CPU: 0 PID: 3036 Comm: syz-executor239 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.309908][ T3036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.311774][ T3036] Call trace: [ 26.312544][ T3036] dump_backtrace+0x1c4/0x1f0 [ 26.313707][ T3036] show_stack+0x2c/0x54 [ 26.314596][ T3036] dump_stack_lvl+0x104/0x16c [ 26.315764][ T3036] dump_stack+0x1c/0x58 [ 26.316652][ T3036] assign_lock_key+0x134/0x140 [ 26.317737][ T3036] register_lock_class+0xc4/0x2f8 [ 26.318840][ T3036] __lock_acquire+0xa8/0x30a4 [ 26.319847][ T3036] lock_acquire+0x100/0x1f8 [ 26.320818][ T3036] down_read+0x5c/0x78 [ 26.321689][ T3036] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.322959][ T3036] nilfs_mdt_submit_block+0x164/0x4bc [ 26.324138][ T3036] nilfs_mdt_read_block+0x58/0x22c [ 26.325233][ T3036] nilfs_mdt_get_block+0x5c/0xcc [ 26.326294][ T3036] nilfs_palloc_get_block+0xb4/0x18c [ 26.327502][ T3036] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.328700][ T3036] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.329974][ T3036] nilfs_iget+0xac/0x33c [ 26.330829][ T3036] nilfs_get_root_dentry+0x38/0x180 [ 26.332021][ T3036] nilfs_fill_super+0x1e4/0x2f8 [ 26.333132][ T3036] nilfs_mount+0x370/0x52c [ 26.334228][ T3036] legacy_get_tree+0x30/0x74 [ 26.335173][ T3036] vfs_get_tree+0x40/0x140 [ 26.335992][ T3036] do_new_mount+0x1dc/0x4e4 [ 26.337082][ T3036] path_mount+0x358/0x914 [ 26.338059][ T3036] __arm64_sys_mount+0x2c4/0x3c4 [ 26.339147][ T3036] el0_svc_common+0x138/0x220 [ 26.340219][ T3036] do_el0_svc+0x48/0x164 [ 26.341251][ T3036] el0_svc+0x58/0x150 [ 26.342075][ T3036] el0t_64_sync_handler+0x84/0xf0 [ 26.343355][ T3036] el0t_64_sync+0x18c/0x190 [ 26.344532][ T3036] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 26.346802][ T3036] Mem abort info: [ 26.347565][ T3036] ESR = 0x0000000096000006 [ 26.348460][ T3036] EC = 0x25: DABT (current EL), IL = 32 bits [ 26.349791][ T3036] SET = 0, FnV = 0 [ 26.350533][ T3036] EA = 0, S1PTW = 0 [ 26.351332][ T3036] FSC = 0x06: level 2 translation fault [ 26.352526][ T3036] Data abort info: [ 26.353488][ T3036] ISV = 0, ISS = 0x00000006 [ 26.354429][ T3036] CM = 0, WnR = 0 [ 26.355171][ T3036] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010d0dd000 [ 26.356769][ T3036] [0000000000000000] pgd=080000010d1f2003, p4d=080000010d1f2003, pud=080000010d296003, pmd=0000000000000000 [ 26.359276][ T3036] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 26.360663][ T3036] Modules linked in: [ 26.361403][ T3036] CPU: 0 PID: 3036 Comm: syz-executor239 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.363538][ T3036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.365759][ T3036] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.367372][ T3036] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.368692][ T3036] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.369905][ T3036] sp : ffff80001271b810 [ 26.370867][ T3036] x29: ffff80001271b820 x28: 000000000000002c x27: 0000000000000000 [ 26.372700][ T3036] x26: ffff80000cd66a91 x25: ffff0000ca5724f8 x24: 0000000000000000 [ 26.374626][ T3036] x23: 0000000000000002 x22: ffff0000ca5723b8 x21: ffff80001271b860 [ 26.376323][ T3036] x20: 0000000000000001 x19: ffff0000ca5723f0 x18: 00000000000000c0 [ 26.378302][ T3036] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 26.380106][ T3036] x14: 0000000000000000 x13: 205d363330335420 x12: 5b5d353533333433 [ 26.381825][ T3036] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c50c0000 [ 26.383767][ T3036] x8 : 0000000000000000 x7 : 205b5d3535333334 x6 : ffff80000819545c [ 26.385456][ T3036] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 26.387107][ T3036] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca5723b8 [ 26.388779][ T3036] Call trace: [ 26.389529][ T3036] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.390786][ T3036] nilfs_mdt_submit_block+0x164/0x4bc [ 26.392002][ T3036] nilfs_mdt_read_block+0x58/0x22c [ 26.393117][ T3036] nilfs_mdt_get_block+0x5c/0xcc [ 26.394133][ T3036] nilfs_palloc_get_block+0xb4/0x18c [ 26.395288][ T3036] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.396483][ T3036] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.397891][ T3036] nilfs_iget+0xac/0x33c [ 26.398745][ T3036] nilfs_get_root_dentry+0x38/0x180 [ 26.399845][ T3036] nilfs_fill_super+0x1e4/0x2f8 [ 26.400870][ T3036] nilfs_mount+0x370/0x52c [ 26.401796][ T3036] legacy_get_tree+0x30/0x74 [ 26.402846][ T3036] vfs_get_tree+0x40/0x140 [ 26.403849][ T3036] do_new_mount+0x1dc/0x4e4 [ 26.404824][ T3036] path_mount+0x358/0x914 [ 26.405737][ T3036] __arm64_sys_mount+0x2c4/0x3c4 [ 26.406946][ T3036] el0_svc_common+0x138/0x220 [ 26.408066][ T3036] do_el0_svc+0x48/0x164 [ 26.409037][ T3036] el0_svc+0x58/0x150 [ 26.409967][ T3036] el0t_64_sync_handler+0x84/0xf0 [ 26.411062][ T3036] el0t_64_sync+0x18c/0x190 [ 26.412038][ T3036] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 26.413714][ T3036] ---[ end trace 0000000000000000 ]--- [ 26.566800][ T3036] Kernel panic - not syncing: Oops: Fatal exception [ 26.568214][ T3036] SMP: stopping secondary CPUs [ 26.569245][ T3036] Kernel Offset: disabled [ 26.570229][ T3036] CPU features: 0x00000,02070084,26017203 [ 26.571468][ T3036] Memory Limit: none [ 26.732028][ T3036] Rebooting in 86400 seconds..