Warning: Permanently added '10.128.1.13' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.251073][ T3037] loop0: detected capacity change from 0 to 2048 [ 26.257853][ T3038] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 26.257988][ T3037] INFO: trying to register non-static key. [ 26.261910][ T3037] The code is fine but needs lockdep annotation, or maybe [ 26.263649][ T3037] you didn't initialize this object before use? [ 26.265186][ T3037] turning off the locking correctness validator. [ 26.266708][ T3037] CPU: 1 PID: 3037 Comm: syz-executor143 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.269332][ T3037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.271772][ T3037] Call trace: [ 26.272559][ T3037] dump_backtrace+0x1c4/0x1f0 [ 26.273810][ T3037] show_stack+0x2c/0x54 [ 26.274807][ T3037] dump_stack_lvl+0x104/0x16c [ 26.275988][ T3037] dump_stack+0x1c/0x58 [ 26.276985][ T3037] assign_lock_key+0x134/0x140 [ 26.278181][ T3037] register_lock_class+0xc4/0x2f8 [ 26.279465][ T3037] __lock_acquire+0xa8/0x30a4 [ 26.280631][ T3037] lock_acquire+0x100/0x1f8 [ 26.281749][ T3037] down_read+0x5c/0x78 [ 26.282744][ T3037] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.284143][ T3037] nilfs_mdt_submit_block+0x164/0x4bc [ 26.285477][ T3037] nilfs_mdt_read_block+0x58/0x22c [ 26.286742][ T3037] nilfs_mdt_get_block+0x5c/0xcc [ 26.287958][ T3037] nilfs_palloc_get_block+0xb4/0x18c [ 26.289245][ T3037] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.290642][ T3037] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.292057][ T3037] nilfs_iget+0xac/0x33c [ 26.293102][ T3037] nilfs_get_root_dentry+0x38/0x180 [ 26.294352][ T3037] nilfs_fill_super+0x1e4/0x2f8 [ 26.295563][ T3037] nilfs_mount+0x370/0x52c [ 26.296636][ T3037] legacy_get_tree+0x30/0x74 [ 26.297786][ T3037] vfs_get_tree+0x40/0x140 [ 26.298899][ T3037] do_new_mount+0x1dc/0x4e4 [ 26.300010][ T3037] path_mount+0x358/0x914 [ 26.301067][ T3037] __arm64_sys_mount+0x2c4/0x3c4 [ 26.302272][ T3037] el0_svc_common+0x138/0x220 [ 26.303466][ T3037] do_el0_svc+0x48/0x164 [ 26.304526][ T3037] el0_svc+0x58/0x150 [ 26.305531][ T3037] el0t_64_sync_handler+0x84/0xf0 [ 26.306795][ T3037] el0t_64_sync+0x18c/0x190 [ 26.308065][ T3037] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 26.310339][ T3037] Mem abort info: [ 26.311208][ T3037] ESR = 0x0000000096000006 [ 26.312292][ T3037] EC = 0x25: DABT (current EL), IL = 32 bits [ 26.313696][ T3037] SET = 0, FnV = 0 [ 26.314644][ T3037] EA = 0, S1PTW = 0 [ 26.315569][ T3037] FSC = 0x06: level 2 translation fault [ 26.316969][ T3037] Data abort info: [ 26.317843][ T3037] ISV = 0, ISS = 0x00000006 [ 26.318961][ T3037] CM = 0, WnR = 0 [ 26.319846][ T3037] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b10d000 [ 26.321592][ T3037] [0000000000000000] pgd=0800000109008003, p4d=0800000109008003, pud=080000010b070003, pmd=0000000000000000 [ 26.324430][ T3037] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 26.326092][ T3037] Modules linked in: [ 26.327070][ T3037] CPU: 1 PID: 3037 Comm: syz-executor143 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 26.329762][ T3037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 26.332295][ T3037] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 26.334302][ T3037] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.335790][ T3037] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 26.337359][ T3037] sp : ffff8000129bb810 [ 26.338430][ T3037] x29: ffff8000129bb820 x28: 000000000000002c x27: 0000000000000000 [ 26.340482][ T3037] x26: ffff80000cd66a91 x25: ffff0000ca50a4f8 x24: 0000000000000000 [ 26.342556][ T3037] x23: 0000000000000002 x22: ffff0000ca50a3b8 x21: ffff8000129bb860 [ 26.344670][ T3037] x20: 0000000000000001 x19: ffff0000ca50a3f0 x18: 00000000000000c0 [ 26.346573][ T3037] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 26.348461][ T3037] x14: 0000000000000000 x13: 205d373330335420 x12: 5b5d353937363033 [ 26.350435][ T3037] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c1f34f80 [ 26.352387][ T3037] x8 : 0000000000000000 x7 : 205b5d3539373630 x6 : ffff80000819545c [ 26.354321][ T3037] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 26.356335][ T3037] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca50a3b8 [ 26.358274][ T3037] Call trace: [ 26.359069][ T3037] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 26.360450][ T3037] nilfs_mdt_submit_block+0x164/0x4bc [ 26.361765][ T3037] nilfs_mdt_read_block+0x58/0x22c [ 26.363037][ T3037] nilfs_mdt_get_block+0x5c/0xcc [ 26.364263][ T3037] nilfs_palloc_get_block+0xb4/0x18c [ 26.365559][ T3037] nilfs_palloc_get_entry_block+0x90/0xa4 [ 26.367013][ T3037] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 26.368414][ T3037] nilfs_iget+0xac/0x33c [ 26.369473][ T3037] nilfs_get_root_dentry+0x38/0x180 [ 26.370758][ T3037] nilfs_fill_super+0x1e4/0x2f8 [ 26.372015][ T3037] nilfs_mount+0x370/0x52c [ 26.373144][ T3037] legacy_get_tree+0x30/0x74 [ 26.374274][ T3037] vfs_get_tree+0x40/0x140 [ 26.375367][ T3037] do_new_mount+0x1dc/0x4e4 [ 26.376537][ T3037] path_mount+0x358/0x914 [ 26.377646][ T3037] __arm64_sys_mount+0x2c4/0x3c4 [ 26.378871][ T3037] el0_svc_common+0x138/0x220 [ 26.380059][ T3037] do_el0_svc+0x48/0x164 [ 26.381117][ T3037] el0_svc+0x58/0x150 [ 26.382143][ T3037] el0t_64_sync_handler+0x84/0xf0 [ 26.383406][ T3037] el0t_64_sync+0x18c/0x190 [ 26.384516][ T3037] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 26.386268][ T3037] ---[ end trace 0000000000000000 ]--- [ 26.555282][ T3037] Kernel panic - not syncing: Oops: Fatal exception [ 26.556942][ T3037] SMP: stopping secondary CPUs [ 26.558212][ T3037] Kernel Offset: disabled [ 26.559267][ T3037] CPU features: 0x00000,02070084,26017203 [ 26.560776][ T3037] Memory Limit: none [ 26.712350][ T3037] Rebooting in 86400 seconds..