Warning: Permanently added '10.128.15.193' (ED25519) to the list of known hosts.
executing program
[   44.407516][ T4162] loop0: detected capacity change from 0 to 512
[   44.493238][ T4162] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor475: inode #1: comm syz-executor475: iget: illegal inode #
[   44.508324][ T4162] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor475: error while reading EA inode 1 err=-117
[   44.521502][ T4162] EXT4-fs (loop0): 1 orphan inode deleted
[   44.527234][ T4162] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none.
[   44.543437][ T4162] ==================================================================
[   44.551614][ T4162] BUG: KASAN: use-after-free in ext4_insert_dentry+0x366/0x6c0
[   44.559183][ T4162] Write of size 250 at addr ffff88807eeeff18 by task syz-executor475/4162
[   44.567658][ T4162] 
[   44.569973][ T4162] CPU: 1 PID: 4162 Comm: syz-executor475 Not tainted 5.15.173-syzkaller #0
[   44.578533][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   44.588565][ T4162] Call Trace:
[   44.591824][ T4162]  <TASK>
[   44.594734][ T4162]  dump_stack_lvl+0x1e3/0x2d0
[   44.599398][ T4162]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[   44.605004][ T4162]  ? _printk+0xd1/0x120
[   44.609136][ T4162]  ? __wake_up_klogd+0xcc/0x100
[   44.613963][ T4162]  ? panic+0x860/0x860
[   44.618002][ T4162]  ? _raw_spin_lock_irqsave+0xdd/0x120
[   44.623438][ T4162]  print_address_description+0x63/0x3b0
[   44.628958][ T4162]  ? ext4_insert_dentry+0x366/0x6c0
[   44.634135][ T4162]  kasan_report+0x16b/0x1c0
[   44.638612][ T4162]  ? ext4_insert_dentry+0x366/0x6c0
[   44.643787][ T4162]  kasan_check_range+0x27e/0x290
[   44.648693][ T4162]  ? ext4_insert_dentry+0x366/0x6c0
[   44.653869][ T4162]  memcpy+0x3c/0x60
[   44.657649][ T4162]  ext4_insert_dentry+0x366/0x6c0
[   44.662654][ T4162]  add_dirent_to_buf+0x384/0x7d0
[   44.667575][ T4162]  ? ext4_dx_add_entry+0x1620/0x1620
[   44.672845][ T4162]  ? __ext4_handle_dirty_metadata+0x2ef/0x800
[   44.678895][ T4162]  make_indexed_dir+0xf34/0x15a0
[   44.683816][ T4162]  ? add_dirent_to_buf+0x7d0/0x7d0
[   44.688902][ T4162]  ? add_dirent_to_buf+0x54e/0x7d0
[   44.693999][ T4162]  ? ext4_dx_add_entry+0x1620/0x1620
[   44.699257][ T4162]  ? __ext4_read_dirblock+0x522/0x890
[   44.704606][ T4162]  ext4_add_entry+0xde2/0x12b0
[   44.709345][ T4162]  ? ext4_inc_count+0x190/0x190
[   44.714189][ T4162]  ? ext4_init_new_dir+0x7c8/0xa20
[   44.719279][ T4162]  ? ext4_init_dot_dotdot+0x4e0/0x4e0
[   44.724632][ T4162]  ext4_mkdir+0x54f/0xce0
[   44.728942][ T4162]  ? ext4_symlink+0xed0/0xed0
[   44.733594][ T4162]  ? inode_permission+0xf7/0x450
[   44.738502][ T4162]  ? bpf_lsm_inode_mkdir+0x5/0x10
[   44.743500][ T4162]  ? security_inode_mkdir+0xb4/0x100
[   44.748760][ T4162]  vfs_mkdir+0x3b6/0x590
[   44.752980][ T4162]  do_mkdirat+0x260/0x520
[   44.757287][ T4162]  ? vfs_mkdir+0x590/0x590
[   44.761675][ T4162]  ? getname_flags+0x1ec/0x4e0
[   44.766419][ T4162]  __x64_sys_mkdirat+0x85/0x90
[   44.771155][ T4162]  do_syscall_64+0x3b/0xb0
[   44.775560][ T4162]  ? clear_bhb_loop+0x15/0x70
[   44.780223][ T4162]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   44.786090][ T4162] RIP: 0033:0x7fc4d05ed409
[   44.790490][ T4162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   44.810068][ T4162] RSP: 002b:00007ffcd6e3e128 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[   44.818477][ T4162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4d05ed409
[   44.826430][ T4162] RDX: 5be60480b9579340 RSI: 0000000020000940 RDI: 00000000ffffff9c
[   44.834378][ T4162] RBP: 0000000000000000 R08: 00007ffcd6e3e180 R09: 00007ffcd6e3e180
[   44.842325][ T4162] R10: 00007ffcd6e3e180 R11: 0000000000000246 R12: 00007ffcd6e3e180
[   44.850271][ T4162] R13: 00007ffcd6e3e260 R14: 431bde82d7b634db R15: 00007fc4d063601d
[   44.858244][ T4162]  </TASK>
[   44.861240][ T4162] 
[   44.863535][ T4162] The buggy address belongs to the page:
[   44.869318][ T4162] page:ffffea0001fbbbc0 refcount:3 mapcount:0 mapping:ffff888017895af0 index:0x3f pfn:0x7eeef
[   44.879537][ T4162] memcg:ffff888017684000
[   44.883755][ T4162] aops:def_blk_aops ino:700000
[   44.888492][ T4162] flags: 0xfff0000000202a(referenced|dirty|active|private|node=0|zone=1|lastcpupid=0x7ff)
[   44.898360][ T4162] raw: 00fff0000000202a 0000000000000000 dead000000000122 ffff888017895af0
[   44.906916][ T4162] raw: 000000000000003f ffff888072bed828 00000003ffffffff ffff888017684000
[   44.915478][ T4162] page dumped because: kasan: bad access detected
[   44.921870][ T4162] page_owner tracks the page as allocated
[   44.927552][ T4162] page last allocated via order 0, migratetype Movable, gfp_mask 0x108c48(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE), pid 4162, ts 44543099843, free_ts 39609028253
[   44.944628][ T4162]  get_page_from_freelist+0x3b78/0x3d40
[   44.950153][ T4162]  __alloc_pages+0x272/0x700
[   44.954714][ T4162]  __page_cache_alloc+0xd4/0x4a0
[   44.959624][ T4162]  pagecache_get_page+0xa91/0x1010
[   44.964708][ T4162]  __getblk_gfp+0x22a/0xaf0
[   44.969181][ T4162]  ext4_getblk+0x259/0x710
[   44.973583][ T4162]  ext4_bread+0x2a/0x170
[   44.977797][ T4162]  ext4_append+0x31f/0x5c0
[   44.982197][ T4162]  make_indexed_dir+0x515/0x15a0
[   44.987110][ T4162]  ext4_add_entry+0xde2/0x12b0
[   44.991846][ T4162]  ext4_mkdir+0x54f/0xce0
[   44.996143][ T4162]  vfs_mkdir+0x3b6/0x590
[   45.000356][ T4162]  do_mkdirat+0x260/0x520
[   45.004651][ T4162]  __x64_sys_mkdirat+0x85/0x90
[   45.009385][ T4162]  do_syscall_64+0x3b/0xb0
[   45.013774][ T4162]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   45.019645][ T4162] page last free stack trace:
[   45.024296][ T4162]  free_unref_page_prepare+0xc34/0xcf0
[   45.029724][ T4162]  free_unref_page_list+0x1f7/0x8e0
[   45.034892][ T4162]  release_pages+0x1bb9/0x1f40
[   45.039629][ T4162]  tlb_finish_mmu+0x177/0x320
[   45.044278][ T4162]  exit_mmap+0x3cd/0x670
[   45.048490][ T4162]  __mmput+0x112/0x3b0
[   45.052546][ T4162]  exit_mm+0x688/0x7f0
[   45.056602][ T4162]  do_exit+0x626/0x2480
[   45.060732][ T4162]  do_group_exit+0x144/0x310
[   45.065291][ T4162]  __x64_sys_exit_group+0x3b/0x40
[   45.070285][ T4162]  do_syscall_64+0x3b/0xb0
[   45.074677][ T4162]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   45.080559][ T4162] 
[   45.082856][ T4162] Memory state around the buggy address:
[   45.088465][ T4162]  ffff88807eeeff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   45.096495][ T4162]  ffff88807eeeff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   45.104522][ T4162] >ffff88807eef0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   45.112548][ T4162]                    ^
[   45.116586][ T4162]  ffff88807eef0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   45.124613][ T4162]  ffff88807eef0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   45.132642][ T4162] ==================================================================
[   45.140671][ T4162] Disabling lock debugging due to kernel taint
[   45.147058][ T4162] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[   45.154241][ T4162] CPU: 1 PID: 4162 Comm: syz-executor475 Tainted: G    B             5.15.173-syzkaller #0
[   45.164186][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   45.174209][ T4162] Call Trace:
[   45.177460][ T4162]  <TASK>
[   45.180362][ T4162]  dump_stack_lvl+0x1e3/0x2d0
[   45.185013][ T4162]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[   45.190613][ T4162]  ? panic+0x860/0x860
[   45.194657][ T4162]  ? preempt_schedule_common+0xa6/0xd0
[   45.200084][ T4162]  ? preempt_schedule+0xd9/0xe0
[   45.204909][ T4162]  panic+0x318/0x860
[   45.208776][ T4162]  ? check_panic_on_warn+0x1d/0xa0
[   45.213860][ T4162]  ? fb_is_primary_device+0xd0/0xd0
[   45.219028][ T4162]  ? _raw_spin_unlock_irqrestore+0x128/0x130
[   45.224981][ T4162]  ? _raw_spin_unlock+0x40/0x40
[   45.229801][ T4162]  ? print_memory_metadata+0xe2/0x140
[   45.235145][ T4162]  check_panic_on_warn+0x7e/0xa0
[   45.240052][ T4162]  ? ext4_insert_dentry+0x366/0x6c0
[   45.245220][ T4162]  end_report+0x6d/0xf0
[   45.249344][ T4162]  kasan_report+0x18e/0x1c0
[   45.253815][ T4162]  ? ext4_insert_dentry+0x366/0x6c0
[   45.258983][ T4162]  kasan_check_range+0x27e/0x290
[   45.263889][ T4162]  ? ext4_insert_dentry+0x366/0x6c0
[   45.269060][ T4162]  memcpy+0x3c/0x60
[   45.272837][ T4162]  ext4_insert_dentry+0x366/0x6c0
[   45.277832][ T4162]  add_dirent_to_buf+0x384/0x7d0
[   45.282741][ T4162]  ? ext4_dx_add_entry+0x1620/0x1620
[   45.287996][ T4162]  ? __ext4_handle_dirty_metadata+0x2ef/0x800
[   45.294039][ T4162]  make_indexed_dir+0xf34/0x15a0
[   45.298950][ T4162]  ? add_dirent_to_buf+0x7d0/0x7d0
[   45.304030][ T4162]  ? add_dirent_to_buf+0x54e/0x7d0
[   45.309112][ T4162]  ? ext4_dx_add_entry+0x1620/0x1620
[   45.314367][ T4162]  ? __ext4_read_dirblock+0x522/0x890
[   45.319707][ T4162]  ext4_add_entry+0xde2/0x12b0
[   45.324447][ T4162]  ? ext4_inc_count+0x190/0x190
[   45.329270][ T4162]  ? ext4_init_new_dir+0x7c8/0xa20
[   45.334352][ T4162]  ? ext4_init_dot_dotdot+0x4e0/0x4e0
[   45.339696][ T4162]  ext4_mkdir+0x54f/0xce0
[   45.343997][ T4162]  ? ext4_symlink+0xed0/0xed0
[   45.348651][ T4162]  ? inode_permission+0xf7/0x450
[   45.353559][ T4162]  ? bpf_lsm_inode_mkdir+0x5/0x10
[   45.358554][ T4162]  ? security_inode_mkdir+0xb4/0x100
[   45.363809][ T4162]  vfs_mkdir+0x3b6/0x590
[   45.368020][ T4162]  do_mkdirat+0x260/0x520
[   45.372319][ T4162]  ? vfs_mkdir+0x590/0x590
[   45.376704][ T4162]  ? getname_flags+0x1ec/0x4e0
[   45.381443][ T4162]  __x64_sys_mkdirat+0x85/0x90
[   45.386175][ T4162]  do_syscall_64+0x3b/0xb0
[   45.390560][ T4162]  ? clear_bhb_loop+0x15/0x70
[   45.395205][ T4162]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   45.401082][ T4162] RIP: 0033:0x7fc4d05ed409
[   45.405471][ T4162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   45.425045][ T4162] RSP: 002b:00007ffcd6e3e128 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[   45.433429][ T4162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4d05ed409
[   45.441389][ T4162] RDX: 5be60480b9579340 RSI: 0000000020000940 RDI: 00000000ffffff9c
[   45.449331][ T4162] RBP: 0000000000000000 R08: 00007ffcd6e3e180 R09: 00007ffcd6e3e180
[   45.457273][ T4162] R10: 00007ffcd6e3e180 R11: 0000000000000246 R12: 00007ffcd6e3e180
[   45.465229][ T4162] R13: 00007ffcd6e3e260 R14: 431bde82d7b634db R15: 00007fc4d063601d
[   45.473175][ T4162]  </TASK>
[   45.476370][ T4162] Kernel Offset: disabled
[   45.480681][ T4162] Rebooting in 86400 seconds..