Warning: Permanently added '10.128.0.224' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.327873][ T3043] loop0: detected capacity change from 0 to 2048 [ 26.334273][ T3044] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 26.334368][ T3043] INFO: trying to register non-static key. [ 26.338379][ T3043] The code is fine but needs lockdep annotation, or maybe [ 26.340129][ T3043] you didn't initialize this object before use? [ 26.341672][ T3043] turning off the locking correctness validator. [ 26.343222][ T3043] CPU: 1 PID: 3043 Comm: syz-executor338 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.345781][ T3043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.348295][ T3043] Call trace: [ 26.349072][ T3043] dump_backtrace+0x1c4/0x1f0 [ 26.350213][ T3043] show_stack+0x2c/0x54 [ 26.351242][ T3043] dump_stack_lvl+0x104/0x16c [ 26.352359][ T3043] dump_stack+0x1c/0x58 [ 26.353372][ T3043] assign_lock_key+0x134/0x140 [ 26.354567][ T3043] register_lock_class+0xc4/0x2f8 [ 26.355768][ T3043] __lock_acquire+0xa8/0x30a4 [ 26.356873][ T3043] lock_acquire+0x100/0x1f8 [ 26.357918][ T3043] down_read+0x5c/0x78 [ 26.358894][ T3043] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.360293][ T3043] nilfs_mdt_submit_block+0x164/0x4bc [ 26.361614][ T3043] nilfs_mdt_read_block+0x58/0x22c [ 26.362869][ T3043] nilfs_mdt_get_block+0x5c/0xcc [ 26.364032][ T3043] nilfs_palloc_get_block+0xb4/0x18c [ 26.365334][ T3043] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.366687][ T3043] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.368041][ T3043] nilfs_iget+0xac/0x33c [ 26.369054][ T3043] nilfs_get_root_dentry+0x38/0x180 [ 26.370346][ T3043] nilfs_fill_super+0x1e4/0x2f8 [ 26.371548][ T3043] nilfs_mount+0x370/0x52c [ 26.372640][ T3043] legacy_get_tree+0x30/0x74 [ 26.373752][ T3043] vfs_get_tree+0x40/0x140 [ 26.374852][ T3043] do_new_mount+0x1dc/0x4e4 [ 26.375930][ T3043] path_mount+0x358/0x914 [ 26.376967][ T3043] __arm64_sys_mount+0x2c4/0x3c4 [ 26.378137][ T3043] el0_svc_common+0x138/0x220 [ 26.379281][ T3043] do_el0_svc+0x48/0x164 [ 26.380300][ T3043] el0_svc+0x58/0x150 [ 26.381337][ T3043] el0t_64_sync_handler+0x84/0xf0 [ 26.382539][ T3043] el0t_64_sync+0x18c/0x190 [ 26.383721][ T3043] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 26.385950][ T3043] Mem abort info: [ 26.386798][ T3043] ESR = 0x0000000096000006 [ 26.387829][ T3043] EC = 0x25: DABT (current EL), IL = 32 bits [ 26.389353][ T3043] SET = 0, FnV = 0 [ 26.390293][ T3043] EA = 0, S1PTW = 0 [ 26.391209][ T3043] FSC = 0x06: level 2 translation fault [ 26.392556][ T3043] Data abort info: [ 26.393408][ T3043] ISV = 0, ISS = 0x00000006 [ 26.394473][ T3043] CM = 0, WnR = 0 [ 26.395363][ T3043] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b3f1000 [ 26.397067][ T3043] [0000000000000000] pgd=080000010b340003, p4d=080000010b340003, pud=080000010b341003, pmd=0000000000000000 [ 26.399867][ T3043] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 26.401562][ T3043] Modules linked in: [ 26.402439][ T3043] CPU: 1 PID: 3043 Comm: syz-executor338 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.404881][ T3043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.407178][ T3043] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.409131][ T3043] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.410546][ T3043] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.411994][ T3043] sp : ffff8000128cb810 [ 26.412976][ T3043] x29: ffff8000128cb820 x28: 000000000000002c x27: 0000000000000000 [ 26.414882][ T3043] x26: ffff80000cd66a91 x25: ffff0000c74da4f8 x24: 0000000000000000 [ 26.416788][ T3043] x23: 0000000000000002 x22: ffff0000c74da3b8 x21: ffff8000128cb860 [ 26.418729][ T3043] x20: 0000000000000001 x19: ffff0000c74da3f0 x18: 00000000000000c0 [ 26.420661][ T3043] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 26.422579][ T3043] x14: 0000000000000000 x13: 205d333430335420 x12: 5b5d393335323833 [ 26.424478][ T3043] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c6944f80 [ 26.426419][ T3043] x8 : 0000000000000000 x7 : 205b5d3933353238 x6 : ffff80000819545c [ 26.428362][ T3043] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 26.430293][ T3043] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000c74da3b8 [ 26.432233][ T3043] Call trace: [ 26.433005][ T3043] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.434404][ T3043] nilfs_mdt_submit_block+0x164/0x4bc [ 26.435678][ T3043] nilfs_mdt_read_block+0x58/0x22c [ 26.436962][ T3043] nilfs_mdt_get_block+0x5c/0xcc [ 26.438105][ T3043] nilfs_palloc_get_block+0xb4/0x18c [ 26.439357][ T3043] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.440777][ T3043] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.442185][ T3043] nilfs_iget+0xac/0x33c [ 26.443186][ T3043] nilfs_get_root_dentry+0x38/0x180 [ 26.444398][ T3043] nilfs_fill_super+0x1e4/0x2f8 [ 26.445592][ T3043] nilfs_mount+0x370/0x52c [ 26.446681][ T3043] legacy_get_tree+0x30/0x74 [ 26.447780][ T3043] vfs_get_tree+0x40/0x140 [ 26.448824][ T3043] do_new_mount+0x1dc/0x4e4 [ 26.449916][ T3043] path_mount+0x358/0x914 [ 26.450921][ T3043] __arm64_sys_mount+0x2c4/0x3c4 [ 26.452094][ T3043] el0_svc_common+0x138/0x220 [ 26.453210][ T3043] do_el0_svc+0x48/0x164 [ 26.454212][ T3043] el0_svc+0x58/0x150 [ 26.455178][ T3043] el0t_64_sync_handler+0x84/0xf0 [ 26.456396][ T3043] el0t_64_sync+0x18c/0x190 [ 26.457492][ T3043] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 26.459146][ T3043] ---[ end trace 0000000000000000 ]--- [ 26.601906][ T3043] Kernel panic - not syncing: Oops: Fatal exception [ 26.603559][ T3043] SMP: stopping secondary CPUs [ 26.604751][ T3043] Kernel Offset: disabled [ 26.605812][ T3043] CPU features: 0x00000,02070084,26017203 [ 26.607233][ T3043] Memory Limit: none [ 26.753688][ T3043] Rebooting in 86400 seconds..