Warning: Permanently added '10.128.0.78' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.108912][ T3036] loop0: detected capacity change from 0 to 2048 [ 27.115408][ T3037] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 27.115554][ T3036] INFO: trying to register non-static key. [ 27.118939][ T3036] The code is fine but needs lockdep annotation, or maybe [ 27.120765][ T3036] you didn't initialize this object before use? [ 27.122275][ T3036] turning off the locking correctness validator. [ 27.123902][ T3036] CPU: 0 PID: 3036 Comm: syz-executor366 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.126493][ T3036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 27.128997][ T3036] Call trace: [ 27.129855][ T3036] dump_backtrace+0x1c4/0x1f0 [ 27.131175][ T3036] show_stack+0x2c/0x54 [ 27.132238][ T3036] dump_stack_lvl+0x104/0x16c [ 27.133405][ T3036] dump_stack+0x1c/0x58 [ 27.134427][ T3036] assign_lock_key+0x134/0x140 [ 27.135611][ T3036] register_lock_class+0xc4/0x2f8 [ 27.136854][ T3036] __lock_acquire+0xa8/0x30a4 [ 27.138041][ T3036] lock_acquire+0x100/0x1f8 [ 27.139237][ T3036] down_read+0x5c/0x78 [ 27.140330][ T3036] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 27.141764][ T3036] nilfs_mdt_submit_block+0x164/0x4bc [ 27.143102][ T3036] nilfs_mdt_read_block+0x58/0x22c [ 27.144350][ T3036] nilfs_mdt_get_block+0x5c/0xcc [ 27.145579][ T3036] nilfs_palloc_get_block+0xb4/0x18c [ 27.146892][ T3036] nilfs_palloc_get_entry_block+0x90/0xa4 [ 27.148314][ T3036] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 27.149782][ T3036] nilfs_iget+0xac/0x33c [ 27.150833][ T3036] nilfs_get_root_dentry+0x38/0x180 [ 27.152169][ T3036] nilfs_fill_super+0x1e4/0x2f8 [ 27.153376][ T3036] nilfs_mount+0x370/0x52c [ 27.154470][ T3036] legacy_get_tree+0x30/0x74 [ 27.155607][ T3036] vfs_get_tree+0x40/0x140 [ 27.156702][ T3036] do_new_mount+0x1dc/0x4e4 [ 27.157823][ T3036] path_mount+0x358/0x914 [ 27.158921][ T3036] __arm64_sys_mount+0x2c4/0x3c4 [ 27.160320][ T3036] el0_svc_common+0x138/0x220 [ 27.161503][ T3036] do_el0_svc+0x48/0x164 [ 27.162573][ T3036] el0_svc+0x58/0x150 [ 27.163560][ T3036] el0t_64_sync_handler+0x84/0xf0 [ 27.164817][ T3036] el0t_64_sync+0x18c/0x190 [ 27.166121][ T3036] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 27.168355][ T3036] Mem abort info: [ 27.169186][ T3036] ESR = 0x0000000096000006 [ 27.170243][ T3036] EC = 0x25: DABT (current EL), IL = 32 bits [ 27.171721][ T3036] SET = 0, FnV = 0 [ 27.172621][ T3036] EA = 0, S1PTW = 0 [ 27.173536][ T3036] FSC = 0x06: level 2 translation fault [ 27.174878][ T3036] Data abort info: [ 27.175743][ T3036] ISV = 0, ISS = 0x00000006 [ 27.176870][ T3036] CM = 0, WnR = 0 [ 27.177777][ T3036] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b25b000 [ 27.179603][ T3036] [0000000000000000] pgd=080000010b1b6003, p4d=080000010b1b6003, pud=0800000109c45003, pmd=0000000000000000 [ 27.182444][ T3036] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 27.184135][ T3036] Modules linked in: [ 27.185034][ T3036] CPU: 0 PID: 3036 Comm: syz-executor366 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.187470][ T3036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 27.189897][ T3036] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 27.191796][ T3036] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 27.193259][ T3036] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 27.194720][ T3036] sp : ffff8000128eb810 [ 27.195727][ T3036] x29: ffff8000128eb820 x28: 000000000000002c x27: 0000000000000000 [ 27.197684][ T3036] x26: ffff80000cd66a91 x25: ffff0000ca4fa4f8 x24: 0000000000000000 [ 27.199671][ T3036] x23: 0000000000000002 x22: ffff0000ca4fa3b8 x21: ffff8000128eb860 [ 27.201643][ T3036] x20: 0000000000000001 x19: ffff0000ca4fa3f0 x18: 00000000000000c0 [ 27.203590][ T3036] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 27.205532][ T3036] x14: 0000000000000000 x13: 205d363330335420 x12: 5b5d373138343631 [ 27.207488][ T3036] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c3b30000 [ 27.209442][ T3036] x8 : 0000000000000000 x7 : 205b5d3731383436 x6 : ffff80000819545c [ 27.211395][ T3036] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 27.213374][ T3036] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca4fa3b8 [ 27.215319][ T3036] Call trace: [ 27.216127][ T3036] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 27.217577][ T3036] nilfs_mdt_submit_block+0x164/0x4bc [ 27.218942][ T3036] nilfs_mdt_read_block+0x58/0x22c [ 27.220205][ T3036] nilfs_mdt_get_block+0x5c/0xcc [ 27.221398][ T3036] nilfs_palloc_get_block+0xb4/0x18c [ 27.222700][ T3036] nilfs_palloc_get_entry_block+0x90/0xa4 [ 27.224127][ T3036] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 27.225539][ T3036] nilfs_iget+0xac/0x33c [ 27.226587][ T3036] nilfs_get_root_dentry+0x38/0x180 [ 27.227870][ T3036] nilfs_fill_super+0x1e4/0x2f8 [ 27.229067][ T3036] nilfs_mount+0x370/0x52c [ 27.230142][ T3036] legacy_get_tree+0x30/0x74 [ 27.231282][ T3036] vfs_get_tree+0x40/0x140 [ 27.232347][ T3036] do_new_mount+0x1dc/0x4e4 [ 27.233440][ T3036] path_mount+0x358/0x914 [ 27.234498][ T3036] __arm64_sys_mount+0x2c4/0x3c4 [ 27.235739][ T3036] el0_svc_common+0x138/0x220 [ 27.236887][ T3036] do_el0_svc+0x48/0x164 [ 27.237935][ T3036] el0_svc+0x58/0x150 [ 27.238900][ T3036] el0t_64_sync_handler+0x84/0xf0 [ 27.240114][ T3036] el0t_64_sync+0x18c/0x190 [ 27.241229][ T3036] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 27.242929][ T3036] ---[ end trace 0000000000000000 ]--- [ 27.388706][ T3036] Kernel panic - not syncing: Oops: Fatal exception [ 27.390140][ T3036] SMP: stopping secondary CPUs [ 27.391122][ T3036] Kernel Offset: disabled [ 27.391902][ T3036] CPU features: 0x00000,02070084,26017203 [ 27.393007][ T3036] Memory Limit: none [ 27.543300][ T3036] Rebooting in 86400 seconds..