Warning: Permanently added '10.128.10.40' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.823436][ T3030] loop0: detected capacity change from 0 to 2048 [ 27.830248][ T3031] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 27.830342][ T3030] INFO: trying to register non-static key. [ 27.834712][ T3030] The code is fine but needs lockdep annotation, or maybe [ 27.836697][ T3030] you didn't initialize this object before use? [ 27.838465][ T3030] turning off the locking correctness validator. [ 27.840092][ T3030] CPU: 1 PID: 3030 Comm: syz-executor136 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.842801][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 27.845458][ T3030] Call trace: [ 27.846325][ T3030] dump_backtrace+0x1c4/0x1f0 [ 27.847566][ T3030] show_stack+0x2c/0x54 [ 27.848661][ T3030] dump_stack_lvl+0x104/0x16c [ 27.849885][ T3030] dump_stack+0x1c/0x58 [ 27.851007][ T3030] assign_lock_key+0x134/0x140 [ 27.852291][ T3030] register_lock_class+0xc4/0x2f8 [ 27.853638][ T3030] __lock_acquire+0xa8/0x30a4 [ 27.854877][ T3030] lock_acquire+0x100/0x1f8 [ 27.856091][ T3030] down_read+0x5c/0x78 [ 27.857227][ T3030] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 27.858700][ T3030] nilfs_mdt_submit_block+0x164/0x4bc [ 27.860128][ T3030] nilfs_mdt_read_block+0x58/0x22c [ 27.861486][ T3030] nilfs_mdt_get_block+0x5c/0xcc [ 27.862869][ T3030] nilfs_palloc_get_block+0xb4/0x18c [ 27.864237][ T3030] nilfs_palloc_get_entry_block+0x90/0xa4 [ 27.865733][ T3030] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 27.867334][ T3030] nilfs_iget+0xac/0x33c [ 27.868382][ T3030] nilfs_get_root_dentry+0x38/0x180 [ 27.869699][ T3030] nilfs_fill_super+0x1e4/0x2f8 [ 27.870966][ T3030] nilfs_mount+0x370/0x52c [ 27.872074][ T3030] legacy_get_tree+0x30/0x74 [ 27.873318][ T3030] vfs_get_tree+0x40/0x140 [ 27.874531][ T3030] do_new_mount+0x1dc/0x4e4 [ 27.875807][ T3030] path_mount+0x358/0x914 [ 27.876932][ T3030] __arm64_sys_mount+0x2c4/0x3c4 [ 27.878295][ T3030] el0_svc_common+0x138/0x220 [ 27.879581][ T3030] do_el0_svc+0x48/0x164 [ 27.880650][ T3030] el0_svc+0x58/0x150 [ 27.881786][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 27.883115][ T3030] el0t_64_sync+0x18c/0x190 [ 27.884420][ T3030] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 27.886995][ T3030] Mem abort info: [ 27.887906][ T3030] ESR = 0x0000000096000006 [ 27.889048][ T3030] EC = 0x25: DABT (current EL), IL = 32 bits [ 27.890614][ T3030] SET = 0, FnV = 0 [ 27.891588][ T3030] EA = 0, S1PTW = 0 [ 27.892564][ T3030] FSC = 0x06: level 2 translation fault [ 27.893984][ T3030] Data abort info: [ 27.894911][ T3030] ISV = 0, ISS = 0x00000006 [ 27.896089][ T3030] CM = 0, WnR = 0 [ 27.897053][ T3030] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010d4a7000 [ 27.898916][ T3030] [0000000000000000] pgd=080000010d4b4003, p4d=080000010d4b4003, pud=080000010d4b5003, pmd=0000000000000000 [ 27.901841][ T3030] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 27.903660][ T3030] Modules linked in: [ 27.904678][ T3030] CPU: 1 PID: 3030 Comm: syz-executor136 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.907321][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 27.910016][ T3030] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 27.912040][ T3030] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 27.913587][ T3030] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 27.915121][ T3030] sp : ffff80000ff73810 [ 27.916183][ T3030] x29: ffff80000ff73820 x28: 000000000000002c x27: 0000000000000000 [ 27.918351][ T3030] x26: ffff80000cd66a91 x25: ffff0000ca8da4f8 x24: 0000000000000000 [ 27.920341][ T3030] x23: 0000000000000002 x22: ffff0000ca8da3b8 x21: ffff80000ff73860 [ 27.922363][ T3030] x20: 0000000000000001 x19: ffff0000ca8da3f0 x18: 00000000000000c0 [ 27.924516][ T3030] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 27.926595][ T3030] x14: 0000000000000000 x13: 205d303330335420 x12: 5b5d353131333838 [ 27.928651][ T3030] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c9253500 [ 27.930688][ T3030] x8 : 0000000000000000 x7 : 205b5d3531313338 x6 : ffff80000819545c [ 27.932782][ T3030] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 27.934849][ T3030] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca8da3b8 [ 27.936913][ T3030] Call trace: [ 27.937756][ T3030] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 27.939229][ T3030] nilfs_mdt_submit_block+0x164/0x4bc [ 27.940599][ T3030] nilfs_mdt_read_block+0x58/0x22c [ 27.941886][ T3030] nilfs_mdt_get_block+0x5c/0xcc [ 27.943200][ T3030] nilfs_palloc_get_block+0xb4/0x18c [ 27.944541][ T3030] nilfs_palloc_get_entry_block+0x90/0xa4 [ 27.946094][ T3030] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 27.947555][ T3030] nilfs_iget+0xac/0x33c [ 27.948676][ T3030] nilfs_get_root_dentry+0x38/0x180 [ 27.950011][ T3030] nilfs_fill_super+0x1e4/0x2f8 [ 27.951250][ T3030] nilfs_mount+0x370/0x52c [ 27.952373][ T3030] legacy_get_tree+0x30/0x74 [ 27.953539][ T3030] vfs_get_tree+0x40/0x140 [ 27.954784][ T3030] do_new_mount+0x1dc/0x4e4 [ 27.955929][ T3030] path_mount+0x358/0x914 [ 27.957037][ T3030] __arm64_sys_mount+0x2c4/0x3c4 [ 27.958307][ T3030] el0_svc_common+0x138/0x220 [ 27.959543][ T3030] do_el0_svc+0x48/0x164 [ 27.960651][ T3030] el0_svc+0x58/0x150 [ 27.961654][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 27.962938][ T3030] el0t_64_sync+0x18c/0x190 [ 27.964100][ T3030] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 27.965850][ T3030] ---[ end trace 0000000000000000 ]--- [ 28.122152][ T3030] Kernel panic - not syncing: Oops: Fatal exception [ 28.123953][ T3030] SMP: stopping secondary CPUs [ 28.125181][ T3030] Kernel Offset: disabled [ 28.126288][ T3030] CPU features: 0x00000,02070084,26017203 [ 28.127775][ T3030] Memory Limit: none [ 28.278874][ T3030] Rebooting in 86400 seconds..