Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.857037][ T3030] loop0: detected capacity change from 0 to 2048 [ 27.863158][ T3031] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 27.863249][ T3030] INFO: trying to register non-static key. [ 27.866718][ T3030] The code is fine but needs lockdep annotation, or maybe [ 27.868286][ T3030] you didn't initialize this object before use? [ 27.869651][ T3030] turning off the locking correctness validator. [ 27.871058][ T3030] CPU: 1 PID: 3030 Comm: syz-executor407 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.873484][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 27.875592][ T3030] Call trace: [ 27.876287][ T3030] dump_backtrace+0x1c4/0x1f0 [ 27.877269][ T3030] show_stack+0x2c/0x54 [ 27.878181][ T3030] dump_stack_lvl+0x104/0x16c [ 27.879177][ T3030] dump_stack+0x1c/0x58 [ 27.880079][ T3030] assign_lock_key+0x134/0x140 [ 27.881076][ T3030] register_lock_class+0xc4/0x2f8 [ 27.882148][ T3030] __lock_acquire+0xa8/0x30a4 [ 27.883181][ T3030] lock_acquire+0x100/0x1f8 [ 27.884145][ T3030] down_read+0x5c/0x78 [ 27.885023][ T3030] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 27.886267][ T3030] nilfs_mdt_submit_block+0x164/0x4bc [ 27.887456][ T3030] nilfs_mdt_read_block+0x58/0x22c [ 27.888547][ T3030] nilfs_mdt_get_block+0x5c/0xcc [ 27.889604][ T3030] nilfs_palloc_get_block+0xb4/0x18c [ 27.890755][ T3030] nilfs_palloc_get_entry_block+0x90/0xa4 [ 27.891969][ T3030] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 27.893156][ T3030] nilfs_iget+0xac/0x33c [ 27.894096][ T3030] nilfs_get_root_dentry+0x38/0x180 [ 27.895239][ T3030] nilfs_fill_super+0x1e4/0x2f8 [ 27.896276][ T3030] nilfs_mount+0x370/0x52c [ 27.897230][ T3030] legacy_get_tree+0x30/0x74 [ 27.898228][ T3030] vfs_get_tree+0x40/0x140 [ 27.899199][ T3030] do_new_mount+0x1dc/0x4e4 [ 27.900148][ T3030] path_mount+0x358/0x914 [ 27.901089][ T3030] __arm64_sys_mount+0x2c4/0x3c4 [ 27.902139][ T3030] el0_svc_common+0x138/0x220 [ 27.903142][ T3030] do_el0_svc+0x48/0x164 [ 27.904075][ T3030] el0_svc+0x58/0x150 [ 27.904929][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 27.905985][ T3030] el0t_64_sync+0x18c/0x190 [ 27.907003][ T3030] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 27.909003][ T3030] Mem abort info: [ 27.909741][ T3030] ESR = 0x0000000096000006 [ 27.910698][ T3030] EC = 0x25: DABT (current EL), IL = 32 bits [ 27.911952][ T3030] SET = 0, FnV = 0 [ 27.912776][ T3030] EA = 0, S1PTW = 0 [ 27.913589][ T3030] FSC = 0x06: level 2 translation fault [ 27.914739][ T3030] Data abort info: [ 27.915532][ T3030] ISV = 0, ISS = 0x00000006 [ 27.916477][ T3030] CM = 0, WnR = 0 [ 27.917237][ T3030] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000107220000 [ 27.918742][ T3030] [0000000000000000] pgd=0800000107194003, p4d=0800000107194003, pud=0800000109f56003, pmd=0000000000000000 [ 27.921110][ T3030] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 27.922573][ T3030] Modules linked in: [ 27.923400][ T3030] CPU: 1 PID: 3030 Comm: syz-executor407 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.925658][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 27.927815][ T3030] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 27.929460][ T3030] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 27.930757][ T3030] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 27.932032][ T3030] sp : ffff800012753810 [ 27.932928][ T3030] x29: ffff800012753820 x28: 000000000000002c x27: 0000000000000000 [ 27.934661][ T3030] x26: ffff80000cd66a91 x25: ffff0000ca68a4f8 x24: 0000000000000000 [ 27.936390][ T3030] x23: 0000000000000002 x22: ffff0000ca68a3b8 x21: ffff800012753860 [ 27.938134][ T3030] x20: 0000000000000001 x19: ffff0000ca68a3f0 x18: 00000000000000c0 [ 27.939870][ T3030] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 27.941571][ T3030] x14: 0000000000000000 x13: 205d303330335420 x12: 5b5d353839353039 [ 27.943316][ T3030] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c4fd0000 [ 27.945020][ T3030] x8 : 0000000000000000 x7 : 205b5d3538393530 x6 : ffff80000819545c [ 27.946749][ T3030] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 27.948466][ T3030] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca68a3b8 [ 27.950179][ T3030] Call trace: [ 27.950874][ T3030] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 27.952100][ T3030] nilfs_mdt_submit_block+0x164/0x4bc [ 27.953264][ T3030] nilfs_mdt_read_block+0x58/0x22c [ 27.954361][ T3030] nilfs_mdt_get_block+0x5c/0xcc [ 27.955415][ T3030] nilfs_palloc_get_block+0xb4/0x18c [ 27.956523][ T3030] nilfs_palloc_get_entry_block+0x90/0xa4 [ 27.957741][ T3030] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 27.958946][ T3030] nilfs_iget+0xac/0x33c [ 27.959867][ T3030] nilfs_get_root_dentry+0x38/0x180 [ 27.960971][ T3030] nilfs_fill_super+0x1e4/0x2f8 [ 27.962016][ T3030] nilfs_mount+0x370/0x52c [ 27.962958][ T3030] legacy_get_tree+0x30/0x74 [ 27.963938][ T3030] vfs_get_tree+0x40/0x140 [ 27.964887][ T3030] do_new_mount+0x1dc/0x4e4 [ 27.965857][ T3030] path_mount+0x358/0x914 [ 27.966766][ T3030] __arm64_sys_mount+0x2c4/0x3c4 [ 27.967839][ T3030] el0_svc_common+0x138/0x220 [ 27.968858][ T3030] do_el0_svc+0x48/0x164 [ 27.969766][ T3030] el0_svc+0x58/0x150 [ 27.970650][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 27.971729][ T3030] el0t_64_sync+0x18c/0x190 [ 27.972720][ T3030] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 27.974241][ T3030] ---[ end trace 0000000000000000 ]--- [ 28.126218][ T3030] Kernel panic - not syncing: Oops: Fatal exception [ 28.127774][ T3030] SMP: stopping secondary CPUs [ 28.128799][ T3030] Kernel Offset: disabled [ 28.129684][ T3030] CPU features: 0x00000,02070084,26017203 [ 28.130941][ T3030] Memory Limit: none [ 28.285932][ T3030] Rebooting in 86400 seconds..