program:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x446, &(0x7f0000000080)={[{@stripe={'stripe', 0x3d, 0x2}}, {@journal_dev={'journal_dev', 0x3d, 0x1045}}, {@oldalloc}, {@noquota}, {@minixdf}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@delalloc}, {@nojournal_checksum}, {@orlov}, {@user_xattr}, {@quota}, {@delalloc}]}, 0x1, 0x553, &(0x7f0000001080)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f0000000140)='2', 0x1, 0x8000c61)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x42, 0x10)
mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27ffff7, 0x4012011, r1, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x35)
syz_emit_ethernet(0xfc8, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], 0x0)
pwrite64(r2, &(0x7f0000000140)='2', 0xfdef, 0xfecc)
epoll_create(0x4)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f0000000500), &(0x7f0000001040)=ANY=[], 0x841, 0x0)
msgctl$IPC_STAT(0xffffffffffffffff, 0x2, &(0x7f0000000180)=""/83)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
write$FUSE_WRITE(r3, &(0x7f00000000c0)={0x18}, 0xfffffdef)
[ 68.611426][ T5297] Bluetooth: hci0: command tx timeout
[ 68.670078][ T5318] loop0: detected capacity change from 0 to 1024
[ 68.689660][ T5318] =======================================================
[ 68.689660][ T5318] WARNING: The mand mount option has been deprecated and
[ 68.689660][ T5318] and is ignored by this kernel. Remove the mand
[ 68.689660][ T5318] option from the mount to silence this warning.
[ 68.689660][ T5318] =======================================================
[ 68.731538][ T5318] EXT4-fs: Ignoring removed oldalloc option
[ 68.734287][ T5318] EXT4-fs: Ignoring removed orlov option
[ 68.748762][ T5318] EXT4-fs (loop0): stripe (2) is not aligned with cluster size (16), stripe is disabled
[ 68.769138][ T5318] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[ 68.854685][ T5318] ==================================================================
[ 68.858246][ T5318] BUG: KASAN: use-after-free in ext4_find_extent+0xae6/0xcc0
[ 68.861466][ T5318] Read of size 4 at addr ffff888052ba2490 by task syz.0.0/5318
[ 68.864795][ T5318]
[ 68.865815][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 68.865826][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 68.865833][ T5318] Call Trace:
[ 68.865840][ T5318]
[ 68.865847][ T5318] dump_stack_lvl+0x189/0x250
[ 68.865865][ T5318] ? __virt_addr_valid+0x1c8/0x5c0
[ 68.865886][ T5318] ? rcu_is_watching+0x15/0xb0
[ 68.865898][ T5318] ? __pfx_dump_stack_lvl+0x10/0x10
[ 68.865913][ T5318] ? rcu_is_watching+0x15/0xb0
[ 68.865923][ T5318] ? lock_release+0x4b/0x3e0
[ 68.865932][ T5318] ? _raw_spin_lock_irqsave+0xb3/0xf0
[ 68.865991][ T5318] ? __virt_addr_valid+0x1c8/0x5c0
[ 68.866000][ T5318] ? __virt_addr_valid+0x4a5/0x5c0
[ 68.866014][ T5318] print_report+0xca/0x240
[ 68.866023][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 68.866029][ T5318] kasan_report+0x118/0x150
[ 68.866039][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 68.866046][ T5318] ext4_find_extent+0xae6/0xcc0
[ 68.866053][ T5318] ext4_ext_map_blocks+0x288/0x6ac0
[ 68.866064][ T5318] ? __lock_acquire+0xab9/0xd20
[ 68.866076][ T5318] ? __pfx_ext4_ext_map_blocks+0x10/0x10
[ 68.866091][ T5318] ? ext4_es_lookup_extent+0x622/0xa70
[ 68.866103][ T5318] ext4_map_blocks+0x860/0x1740
[ 68.866117][ T5318] ? __pfx_ext4_map_blocks+0x10/0x10
[ 68.866131][ T5318] ? __pfx_hlock_conflict+0x10/0x10
[ 68.866145][ T5318] ? check_path+0x21/0x40
[ 68.866159][ T5318] _ext4_get_block+0x200/0x4c0
[ 68.866172][ T5318] ? __pfx__ext4_get_block+0x10/0x10
[ 68.866186][ T5318] ext4_get_block_unwritten+0x2e/0x100
[ 68.866199][ T5318] ext4_block_write_begin+0x993/0x1710
[ 68.866229][ T5318] ? __pfx_ext4_get_block_unwritten+0x10/0x10
[ 68.866243][ T5318] ? __pfx_ext4_block_write_begin+0x10/0x10
[ 68.866253][ T5318] ? folio_mapping+0x16f/0x1f0
[ 68.866264][ T5318] ? ext4_inode_journal_mode+0x18c/0x480
[ 68.866278][ T5318] ext4_write_begin+0xc04/0x19a0
[ 68.866293][ T5318] ? __pfx_ext4_write_begin+0x10/0x10
[ 68.866305][ T5318] ext4_da_write_begin+0x445/0xda0
[ 68.866319][ T5318] ? __pfx___might_resched+0x10/0x10
[ 68.866331][ T5318] ? __pfx_ext4_da_write_begin+0x10/0x10
[ 68.866344][ T5318] generic_perform_write+0x2c5/0x900
[ 68.866355][ T5318] ? __pfx_generic_perform_write+0x10/0x10
[ 68.866361][ T5318] ? file_modified_flags+0x4bb/0x560
[ 68.866368][ T5318] ? ext4_write_checks+0x24b/0x2c0
[ 68.866377][ T5318] ext4_buffered_write_iter+0xce/0x3a0
[ 68.866387][ T5318] ext4_file_write_iter+0x298/0x1bc0
[ 68.866403][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 68.866417][ T5318] vfs_write+0x5c9/0xb30
[ 68.866430][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 68.866443][ T5318] ? __pfx_vfs_write+0x10/0x10
[ 68.866455][ T5318] ? __fget_files+0x2a/0x420
[ 68.866468][ T5318] ksys_write+0x145/0x250
[ 68.866479][ T5318] ? __pfx_ksys_write+0x10/0x10
[ 68.866491][ T5318] ? do_syscall_64+0xbe/0xfa0
[ 68.866504][ T5318] do_syscall_64+0xfa/0xfa0
[ 68.866516][ T5318] ? lockdep_hardirqs_on+0x9c/0x150
[ 68.866528][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.866538][ T5318] ? clear_bhb_loop+0x60/0xb0
[ 68.866548][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.866555][ T5318] RIP: 0033:0x7f81b518efc9
[ 68.866563][ T5318] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 68.866572][ T5318] RSP: 002b:00007f81b15ed038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 68.866583][ T5318] RAX: ffffffffffffffda RBX: 00007f81b53e5fa0 RCX: 00007f81b518efc9
[ 68.866590][ T5318] RDX: 00000000fffffdef RSI: 00002000000000c0 RDI: 0000000000000008
[ 68.866596][ T5318] RBP: 00007f81b5211f91 R08: 0000000000000000 R09: 0000000000000000
[ 68.866602][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 68.866607][ T5318] R13: 00007f81b53e6038 R14: 00007f81b53e5fa0 R15: 00007fffbb09d4c8
[ 68.866619][ T5318]
[ 68.866623][ T5318]
[ 69.034405][ T5318] The buggy address belongs to the physical page:
[ 69.037274][ T5318] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x52ba2
[ 69.041131][ T5318] flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
[ 69.044259][ T5318] raw: 04fff00000000000 ffffea00014ae8c8 ffffea00014ae848 0000000000000000
[ 69.047907][ T5318] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 69.051613][ T5318] page dumped because: kasan: bad access detected
[ 69.055705][ T5318] page_owner info is not present (never set?)
[ 69.058339][ T5318]
[ 69.059507][ T5318] Memory state around the buggy address:
[ 69.062101][ T5318] ffff888052ba2380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 69.065373][ T5318] ffff888052ba2400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 69.068914][ T5318] >ffff888052ba2480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 69.072248][ T5318] ^
[ 69.074294][ T5318] ffff888052ba2500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 69.078063][ T5318] ffff888052ba2580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 69.082666][ T5318] ==================================================================
[ 69.093266][ T5318] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 69.096227][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 69.100089][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 69.104543][ T5318] Call Trace:
[ 69.105942][ T5318]
[ 69.107342][ T5318] dump_stack_lvl+0x99/0x250
[ 69.109360][ T5318] ? __asan_memcpy+0x40/0x70
[ 69.111461][ T5318] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.113936][ T5318] ? __pfx__printk+0x10/0x10
[ 69.116194][ T5318] vpanic+0x237/0x6d0
[ 69.118049][ T5318] ? __pfx_vpanic+0x10/0x10
[ 69.120296][ T5318] ? preempt_schedule+0xae/0xc0
[ 69.122262][ T5318] ? __pfx_preempt_schedule+0x10/0x10
[ 69.124657][ T5318] panic+0xb9/0xc0
[ 69.126379][ T5318] ? __pfx_panic+0x10/0x10
[ 69.128451][ T5318] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 69.131276][ T5318] ? is_module_address+0x17/0xf0
[ 69.133688][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 69.135909][ T5318] check_panic_on_warn+0x89/0xb0
[ 69.137955][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 69.140245][ T5318] end_report+0x78/0x160
[ 69.142152][ T5318] kasan_report+0x129/0x150
[ 69.144225][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 69.146430][ T5318] ext4_find_extent+0xae6/0xcc0
[ 69.148566][ T5318] ext4_ext_map_blocks+0x288/0x6ac0
[ 69.150832][ T5318] ? __lock_acquire+0xab9/0xd20
[ 69.153129][ T5318] ? __pfx_ext4_ext_map_blocks+0x10/0x10
[ 69.155522][ T5318] ? ext4_es_lookup_extent+0x622/0xa70
[ 69.157900][ T5318] ext4_map_blocks+0x860/0x1740
[ 69.160043][ T5318] ? __pfx_ext4_map_blocks+0x10/0x10
[ 69.162327][ T5318] ? __pfx_hlock_conflict+0x10/0x10
[ 69.164540][ T5318] ? check_path+0x21/0x40
[ 69.166412][ T5318] _ext4_get_block+0x200/0x4c0
[ 69.168542][ T5318] ? __pfx__ext4_get_block+0x10/0x10
[ 69.170769][ T5318] ext4_get_block_unwritten+0x2e/0x100
[ 69.173166][ T5318] ext4_block_write_begin+0x993/0x1710
[ 69.175425][ T5318] ? __pfx_ext4_get_block_unwritten+0x10/0x10
[ 69.177976][ T5318] ? __pfx_ext4_block_write_begin+0x10/0x10
[ 69.180402][ T5318] ? folio_mapping+0x16f/0x1f0
[ 69.182357][ T5318] ? ext4_inode_journal_mode+0x18c/0x480
[ 69.184874][ T5318] ext4_write_begin+0xc04/0x19a0
[ 69.187114][ T5318] ? __pfx_ext4_write_begin+0x10/0x10
[ 69.189364][ T5318] ext4_da_write_begin+0x445/0xda0
[ 69.191510][ T5318] ? __pfx___might_resched+0x10/0x10
[ 69.193738][ T5318] ? __pfx_ext4_da_write_begin+0x10/0x10
[ 69.196064][ T5318] generic_perform_write+0x2c5/0x900
[ 69.198273][ T5318] ? __pfx_generic_perform_write+0x10/0x10
[ 69.200734][ T5318] ? file_modified_flags+0x4bb/0x560
[ 69.202944][ T5318] ? ext4_write_checks+0x24b/0x2c0
[ 69.205106][ T5318] ext4_buffered_write_iter+0xce/0x3a0
[ 69.207377][ T5318] ext4_file_write_iter+0x298/0x1bc0
[ 69.209665][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 69.212105][ T5318] vfs_write+0x5c9/0xb30
[ 69.213926][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 69.216300][ T5318] ? __pfx_vfs_write+0x10/0x10
[ 69.218313][ T5318] ? __fget_files+0x2a/0x420
[ 69.220250][ T5318] ksys_write+0x145/0x250
[ 69.222051][ T5318] ? __pfx_ksys_write+0x10/0x10
[ 69.224158][ T5318] ? do_syscall_64+0xbe/0xfa0
[ 69.226262][ T5318] do_syscall_64+0xfa/0xfa0
[ 69.228289][ T5318] ? lockdep_hardirqs_on+0x9c/0x150
[ 69.230514][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.233247][ T5318] ? clear_bhb_loop+0x60/0xb0
[ 69.235544][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.238508][ T5318] RIP: 0033:0x7f81b518efc9
[ 69.240484][ T5318] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 69.248659][ T5318] RSP: 002b:00007f81b15ed038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 69.251932][ T5318] RAX: ffffffffffffffda RBX: 00007f81b53e5fa0 RCX: 00007f81b518efc9
[ 69.255310][ T5318] RDX: 00000000fffffdef RSI: 00002000000000c0 RDI: 0000000000000008
[ 69.258646][ T5318] RBP: 00007f81b5211f91 R08: 0000000000000000 R09: 0000000000000000
[ 69.262139][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 69.265569][ T5318] R13: 00007f81b53e6038 R14: 00007f81b53e5fa0 R15: 00007fffbb09d4c8
[ 69.269143][ T5318]
[ 69.270913][ T5318] Kernel Offset: disabled
[ 69.272978][ T5318] Rebooting in 86400 seconds..