Warning: Permanently added '10.128.0.180' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.412056][ T3037] loop0: detected capacity change from 0 to 2048 [ 28.418502][ T3038] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 28.418594][ T3037] INFO: trying to register non-static key. [ 28.422339][ T3037] The code is fine but needs lockdep annotation, or maybe [ 28.423828][ T3037] you didn't initialize this object before use? [ 28.425265][ T3037] turning off the locking correctness validator. [ 28.426826][ T3037] CPU: 1 PID: 3037 Comm: syz-executor351 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 28.429421][ T3037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 28.431928][ T3037] Call trace: [ 28.432726][ T3037] dump_backtrace+0x1c4/0x1f0 [ 28.433890][ T3037] show_stack+0x2c/0x54 [ 28.434921][ T3037] dump_stack_lvl+0x104/0x16c [ 28.436076][ T3037] dump_stack+0x1c/0x58 [ 28.437120][ T3037] assign_lock_key+0x134/0x140 [ 28.438336][ T3037] register_lock_class+0xc4/0x2f8 [ 28.439698][ T3037] __lock_acquire+0xa8/0x30a4 [ 28.440943][ T3037] lock_acquire+0x100/0x1f8 [ 28.442008][ T3037] down_read+0x5c/0x78 [ 28.443027][ T3037] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 28.444422][ T3037] nilfs_mdt_submit_block+0x164/0x4bc [ 28.445742][ T3037] nilfs_mdt_read_block+0x58/0x22c [ 28.447006][ T3037] nilfs_mdt_get_block+0x5c/0xcc [ 28.448282][ T3037] nilfs_palloc_get_block+0xb4/0x18c [ 28.449619][ T3037] nilfs_palloc_get_entry_block+0x90/0xa4 [ 28.451065][ T3037] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 28.452468][ T3037] nilfs_iget+0xac/0x33c [ 28.453515][ T3037] nilfs_get_root_dentry+0x38/0x180 [ 28.454802][ T3037] nilfs_fill_super+0x1e4/0x2f8 [ 28.455997][ T3037] nilfs_mount+0x370/0x52c [ 28.457081][ T3037] legacy_get_tree+0x30/0x74 [ 28.458214][ T3037] vfs_get_tree+0x40/0x140 [ 28.459298][ T3037] do_new_mount+0x1dc/0x4e4 [ 28.460398][ T3037] path_mount+0x358/0x914 [ 28.461458][ T3037] __arm64_sys_mount+0x2c4/0x3c4 [ 28.462680][ T3037] el0_svc_common+0x138/0x220 [ 28.463837][ T3037] do_el0_svc+0x48/0x164 [ 28.464877][ T3037] el0_svc+0x58/0x150 [ 28.465856][ T3037] el0t_64_sync_handler+0x84/0xf0 [ 28.467098][ T3037] el0t_64_sync+0x18c/0x190 [ 28.468260][ T3037] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 28.470508][ T3037] Mem abort info: [ 28.471337][ T3037] ESR = 0x0000000096000006 [ 28.472381][ T3037] EC = 0x25: DABT (current EL), IL = 32 bits [ 28.473866][ T3037] SET = 0, FnV = 0 [ 28.474781][ T3037] EA = 0, S1PTW = 0 [ 28.475732][ T3037] FSC = 0x06: level 2 translation fault [ 28.477093][ T3037] Data abort info: [ 28.477955][ T3037] ISV = 0, ISS = 0x00000006 [ 28.479031][ T3037] CM = 0, WnR = 0 [ 28.479898][ T3037] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010af1b000 [ 28.481577][ T3037] [0000000000000000] pgd=080000010af66003, p4d=080000010af66003, pud=080000010af70003, pmd=0000000000000000 [ 28.484408][ T3037] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 28.486065][ T3037] Modules linked in: [ 28.486958][ T3037] CPU: 1 PID: 3037 Comm: syz-executor351 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 28.489393][ T3037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 28.491729][ T3037] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 28.493650][ T3037] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 28.495122][ T3037] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 28.496578][ T3037] sp : ffff80001296b810 [ 28.497607][ T3037] x29: ffff80001296b820 x28: 000000000000002c x27: 0000000000000000 [ 28.499565][ T3037] x26: ffff80000cd66a91 x25: ffff0000ca4f24f8 x24: 0000000000000000 [ 28.501513][ T3037] x23: 0000000000000002 x22: ffff0000ca4f23b8 x21: ffff80001296b860 [ 28.503509][ T3037] x20: 0000000000000001 x19: ffff0000ca4f23f0 x18: 00000000000000c0 [ 28.505471][ T3037] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 28.507436][ T3037] x14: 0000000000000000 x13: 205d373330335420 x12: 5b5d383930373634 [ 28.509439][ T3037] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c5f90000 [ 28.511463][ T3037] x8 : 0000000000000000 x7 : 205b5d3839303736 x6 : ffff80000819545c [ 28.513483][ T3037] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 28.515503][ T3037] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca4f23b8 [ 28.517512][ T3037] Call trace: [ 28.518295][ T3037] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 28.519688][ T3037] nilfs_mdt_submit_block+0x164/0x4bc [ 28.521026][ T3037] nilfs_mdt_read_block+0x58/0x22c [ 28.522351][ T3037] nilfs_mdt_get_block+0x5c/0xcc [ 28.523561][ T3037] nilfs_palloc_get_block+0xb4/0x18c [ 28.524838][ T3037] nilfs_palloc_get_entry_block+0x90/0xa4 [ 28.526226][ T3037] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 28.527591][ T3037] nilfs_iget+0xac/0x33c [ 28.528613][ T3037] nilfs_get_root_dentry+0x38/0x180 [ 28.529873][ T3037] nilfs_fill_super+0x1e4/0x2f8 [ 28.531046][ T3037] nilfs_mount+0x370/0x52c [ 28.532125][ T3037] legacy_get_tree+0x30/0x74 [ 28.533395][ T3037] vfs_get_tree+0x40/0x140 [ 28.534484][ T3037] do_new_mount+0x1dc/0x4e4 [ 28.535577][ T3037] path_mount+0x358/0x914 [ 28.536626][ T3037] __arm64_sys_mount+0x2c4/0x3c4 [ 28.537811][ T3037] el0_svc_common+0x138/0x220 [ 28.538951][ T3037] do_el0_svc+0x48/0x164 [ 28.539972][ T3037] el0_svc+0x58/0x150 [ 28.540938][ T3037] el0t_64_sync_handler+0x84/0xf0 [ 28.542156][ T3037] el0t_64_sync+0x18c/0x190 [ 28.543245][ T3037] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 28.544938][ T3037] ---[ end trace 0000000000000000 ]--- [ 28.704524][ T3037] Kernel panic - not syncing: Oops: Fatal exception [ 28.706197][ T3037] SMP: stopping secondary CPUs [ 28.707393][ T3037] Kernel Offset: disabled [ 28.708427][ T3037] CPU features: 0x00000,02070084,26017203 [ 28.709867][ T3037] Memory Limit: none [ 28.921757][ T3037] Rebooting in 86400 seconds..