Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.687409][ T3031] loop0: detected capacity change from 0 to 2048 [ 26.693818][ T3032] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 26.693956][ T3031] INFO: trying to register non-static key. [ 26.697713][ T3031] The code is fine but needs lockdep annotation, or maybe [ 26.699347][ T3031] you didn't initialize this object before use? [ 26.700785][ T3031] turning off the locking correctness validator. [ 26.702370][ T3031] CPU: 1 PID: 3031 Comm: syz-executor110 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.704915][ T3031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.707461][ T3031] Call trace: [ 26.708246][ T3031] dump_backtrace+0x1c4/0x1f0 [ 26.709420][ T3031] show_stack+0x2c/0x54 [ 26.710392][ T3031] dump_stack_lvl+0x104/0x16c [ 26.711577][ T3031] dump_stack+0x1c/0x58 [ 26.712764][ T3031] assign_lock_key+0x134/0x140 [ 26.713938][ T3031] register_lock_class+0xc4/0x2f8 [ 26.715182][ T3031] __lock_acquire+0xa8/0x30a4 [ 26.716368][ T3031] lock_acquire+0x100/0x1f8 [ 26.717606][ T3031] down_read+0x5c/0x78 [ 26.718600][ T3031] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.719948][ T3031] nilfs_mdt_submit_block+0x164/0x4bc [ 26.721323][ T3031] nilfs_mdt_read_block+0x58/0x22c [ 26.722599][ T3031] nilfs_mdt_get_block+0x5c/0xcc [ 26.723781][ T3031] nilfs_palloc_get_block+0xb4/0x18c [ 26.725041][ T3031] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.726509][ T3031] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.727907][ T3031] nilfs_iget+0xac/0x33c [ 26.728900][ T3031] nilfs_get_root_dentry+0x38/0x180 [ 26.730166][ T3031] nilfs_fill_super+0x1e4/0x2f8 [ 26.731379][ T3031] nilfs_mount+0x370/0x52c [ 26.732419][ T3031] legacy_get_tree+0x30/0x74 [ 26.733549][ T3031] vfs_get_tree+0x40/0x140 [ 26.734618][ T3031] do_new_mount+0x1dc/0x4e4 [ 26.735714][ T3031] path_mount+0x358/0x914 [ 26.736758][ T3031] __arm64_sys_mount+0x2c4/0x3c4 [ 26.737938][ T3031] el0_svc_common+0x138/0x220 [ 26.739063][ T3031] do_el0_svc+0x48/0x164 [ 26.740059][ T3031] el0_svc+0x58/0x150 [ 26.741024][ T3031] el0t_64_sync_handler+0x84/0xf0 [ 26.742222][ T3031] el0t_64_sync+0x18c/0x190 [ 26.743422][ T3031] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 26.745597][ T3031] Mem abort info: [ 26.746415][ T3031] ESR = 0x0000000096000006 [ 26.747484][ T3031] EC = 0x25: DABT (current EL), IL = 32 bits [ 26.748906][ T3031] SET = 0, FnV = 0 [ 26.749810][ T3031] EA = 0, S1PTW = 0 [ 26.750744][ T3031] FSC = 0x06: level 2 translation fault [ 26.752044][ T3031] Data abort info: [ 26.752890][ T3031] ISV = 0, ISS = 0x00000006 [ 26.754109][ T3031] CM = 0, WnR = 0 [ 26.754989][ T3031] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010912b000 [ 26.756683][ T3031] [0000000000000000] pgd=0800000108a0c003, p4d=0800000108a0c003, pud=0800000108a0d003, pmd=0000000000000000 [ 26.759368][ T3031] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 26.761039][ T3031] Modules linked in: [ 26.762065][ T3031] CPU: 1 PID: 3031 Comm: syz-executor110 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.764408][ T3031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.766795][ T3031] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.768675][ T3031] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.770133][ T3031] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.771855][ T3031] sp : ffff80001290b810 [ 26.772968][ T3031] x29: ffff80001290b820 x28: 000000000000002c x27: 0000000000000000 [ 26.774774][ T3031] x26: ffff80000cd66a91 x25: ffff0000ca4ba4f8 x24: 0000000000000000 [ 26.776707][ T3031] x23: 0000000000000002 x22: ffff0000ca4ba3b8 x21: ffff80001290b860 [ 26.778629][ T3031] x20: 0000000000000001 x19: ffff0000ca4ba3f0 x18: 00000000000000c0 [ 26.780552][ T3031] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 26.782595][ T3031] x14: 0000000000000000 x13: 205d313330335420 x12: 5b5d323232323437 [ 26.784598][ T3031] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c66e4f80 [ 26.786424][ T3031] x8 : 0000000000000000 x7 : 205b5d3232323234 x6 : ffff80000819545c [ 26.788353][ T3031] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 26.790278][ T3031] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca4ba3b8 [ 26.792354][ T3031] Call trace: [ 26.793099][ T3031] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.794387][ T3031] nilfs_mdt_submit_block+0x164/0x4bc [ 26.795670][ T3031] nilfs_mdt_read_block+0x58/0x22c [ 26.796927][ T3031] nilfs_mdt_get_block+0x5c/0xcc [ 26.798135][ T3031] nilfs_palloc_get_block+0xb4/0x18c [ 26.799372][ T3031] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.800790][ T3031] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.802206][ T3031] nilfs_iget+0xac/0x33c [ 26.803205][ T3031] nilfs_get_root_dentry+0x38/0x180 [ 26.804540][ T3031] nilfs_fill_super+0x1e4/0x2f8 [ 26.805675][ T3031] nilfs_mount+0x370/0x52c [ 26.806742][ T3031] legacy_get_tree+0x30/0x74 [ 26.807975][ T3031] vfs_get_tree+0x40/0x140 [ 26.809028][ T3031] do_new_mount+0x1dc/0x4e4 [ 26.810100][ T3031] path_mount+0x358/0x914 [ 26.811108][ T3031] __arm64_sys_mount+0x2c4/0x3c4 [ 26.812276][ T3031] el0_svc_common+0x138/0x220 [ 26.813498][ T3031] do_el0_svc+0x48/0x164 [ 26.814444][ T3031] el0_svc+0x58/0x150 [ 26.815338][ T3031] el0t_64_sync_handler+0x84/0xf0 [ 26.816454][ T3031] el0t_64_sync+0x18c/0x190 [ 26.817517][ T3031] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 26.819164][ T3031] ---[ end trace 0000000000000000 ]--- [ 26.944387][ T3031] Kernel panic - not syncing: Oops: Fatal exception [ 26.945954][ T3031] SMP: stopping secondary CPUs [ 26.947162][ T3031] Kernel Offset: disabled [ 26.948183][ T3031] CPU features: 0x00000,02070084,26017203 [ 26.949644][ T3031] Memory Limit: none [ 27.070808][ T3031] Rebooting in 86400 seconds..