Warning: Permanently added '10.128.10.4' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.962134][ T3045] loop0: detected capacity change from 0 to 2048 [ 30.968418][ T3046] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 30.968569][ T3045] INFO: trying to register non-static key. [ 30.972230][ T3045] The code is fine but needs lockdep annotation, or maybe [ 30.973790][ T3045] you didn't initialize this object before use? [ 30.975084][ T3045] turning off the locking correctness validator. [ 30.976448][ T3045] CPU: 0 PID: 3045 Comm: syz-executor176 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 30.978820][ T3045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 30.981053][ T3045] Call trace: [ 30.981772][ T3045] dump_backtrace+0x1c4/0x1f0 [ 30.982865][ T3045] show_stack+0x2c/0x54 [ 30.983809][ T3045] dump_stack_lvl+0x104/0x16c [ 30.984779][ T3045] dump_stack+0x1c/0x58 [ 30.985613][ T3045] assign_lock_key+0x134/0x140 [ 30.986622][ T3045] register_lock_class+0xc4/0x2f8 [ 30.987713][ T3045] __lock_acquire+0xa8/0x30a4 [ 30.988711][ T3045] lock_acquire+0x100/0x1f8 [ 30.989754][ T3045] down_read+0x5c/0x78 [ 30.990563][ T3045] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 30.991791][ T3045] nilfs_mdt_submit_block+0x164/0x4bc [ 30.993003][ T3045] nilfs_mdt_read_block+0x58/0x22c [ 30.994140][ T3045] nilfs_mdt_get_block+0x5c/0xcc [ 30.995370][ T3045] nilfs_palloc_get_block+0xb4/0x18c [ 30.996541][ T3045] nilfs_palloc_get_entry_block+0x90/0xa4 [ 30.997766][ T3045] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 30.999022][ T3045] nilfs_iget+0xac/0x33c [ 30.999958][ T3045] nilfs_get_root_dentry+0x38/0x180 [ 31.001201][ T3045] nilfs_fill_super+0x1e4/0x2f8 [ 31.002209][ T3045] nilfs_mount+0x370/0x52c [ 31.003140][ T3045] legacy_get_tree+0x30/0x74 [ 31.004103][ T3045] vfs_get_tree+0x40/0x140 [ 31.005001][ T3045] do_new_mount+0x1dc/0x4e4 [ 31.006000][ T3045] path_mount+0x358/0x914 [ 31.006950][ T3045] __arm64_sys_mount+0x2c4/0x3c4 [ 31.008010][ T3045] el0_svc_common+0x138/0x220 [ 31.009001][ T3045] do_el0_svc+0x48/0x164 [ 31.009960][ T3045] el0_svc+0x58/0x150 [ 31.010813][ T3045] el0t_64_sync_handler+0x84/0xf0 [ 31.011965][ T3045] el0t_64_sync+0x18c/0x190 [ 31.012996][ T3045] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 31.014968][ T3045] Mem abort info: [ 31.015749][ T3045] ESR = 0x0000000096000006 [ 31.016689][ T3045] EC = 0x25: DABT (current EL), IL = 32 bits [ 31.017972][ T3045] SET = 0, FnV = 0 [ 31.018814][ T3045] EA = 0, S1PTW = 0 [ 31.019583][ T3045] FSC = 0x06: level 2 translation fault [ 31.020724][ T3045] Data abort info: [ 31.021497][ T3045] ISV = 0, ISS = 0x00000006 [ 31.022441][ T3045] CM = 0, WnR = 0 [ 31.023180][ T3045] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b04a000 [ 31.024710][ T3045] [0000000000000000] pgd=080000010ab70003, p4d=080000010ab70003, pud=080000010b033003, pmd=0000000000000000 [ 31.027218][ T3045] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 31.028849][ T3045] Modules linked in: [ 31.029667][ T3045] CPU: 0 PID: 3045 Comm: syz-executor176 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 31.031957][ T3045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 31.034152][ T3045] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.035921][ T3045] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 31.037263][ T3045] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 31.038502][ T3045] sp : ffff80000ff7b810 [ 31.039427][ T3045] x29: ffff80000ff7b820 x28: 000000000000002c x27: 0000000000000000 [ 31.041254][ T3045] x26: ffff80000cd66a91 x25: ffff0000ca4b24f8 x24: 0000000000000000 [ 31.043064][ T3045] x23: 0000000000000002 x22: ffff0000ca4b23b8 x21: ffff80000ff7b860 [ 31.044818][ T3045] x20: 0000000000000001 x19: ffff0000ca4b23f0 x18: 00000000000000c0 [ 31.046657][ T3045] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 31.048542][ T3045] x14: 0000000000000000 x13: 205d353430335420 x12: 5b5d353639313130 [ 31.050196][ T3045] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c1f2b500 [ 31.051891][ T3045] x8 : 0000000000000000 x7 : 205b5d3536393131 x6 : ffff80000819545c [ 31.053728][ T3045] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 31.055530][ T3045] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca4b23b8 [ 31.057393][ T3045] Call trace: [ 31.058138][ T3045] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 31.059555][ T3045] nilfs_mdt_submit_block+0x164/0x4bc [ 31.060682][ T3045] nilfs_mdt_read_block+0x58/0x22c [ 31.061812][ T3045] nilfs_mdt_get_block+0x5c/0xcc [ 31.062822][ T3045] nilfs_palloc_get_block+0xb4/0x18c [ 31.063997][ T3045] nilfs_palloc_get_entry_block+0x90/0xa4 [ 31.065338][ T3045] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 31.066532][ T3045] nilfs_iget+0xac/0x33c [ 31.067400][ T3045] nilfs_get_root_dentry+0x38/0x180 [ 31.068531][ T3045] nilfs_fill_super+0x1e4/0x2f8 [ 31.069567][ T3045] nilfs_mount+0x370/0x52c [ 31.070565][ T3045] legacy_get_tree+0x30/0x74 [ 31.071768][ T3045] vfs_get_tree+0x40/0x140 [ 31.072715][ T3045] do_new_mount+0x1dc/0x4e4 [ 31.073468][ T3045] path_mount+0x358/0x914 [ 31.074185][ T3045] __arm64_sys_mount+0x2c4/0x3c4 [ 31.074996][ T3045] el0_svc_common+0x138/0x220 [ 31.075800][ T3045] do_el0_svc+0x48/0x164 [ 31.076489][ T3045] el0_svc+0x58/0x150 [ 31.077455][ T3045] el0t_64_sync_handler+0x84/0xf0 [ 31.078536][ T3045] el0t_64_sync+0x18c/0x190 [ 31.079500][ T3045] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 31.080983][ T3045] ---[ end trace 0000000000000000 ]--- [ 31.237344][ T3045] Kernel panic - not syncing: Oops: Fatal exception [ 31.238799][ T3045] SMP: stopping secondary CPUs [ 31.239828][ T3045] Kernel Offset: disabled [ 31.240882][ T3045] CPU features: 0x00000,02070084,26017203 [ 31.242128][ T3045] Memory Limit: none [ 31.389590][ T3045] Rebooting in 86400 seconds..