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)
ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x7c, 0xd, 0x0, 0x2, 0x4, 0x11, "f7d149704f6d297061c6421bc9cd51278c31aca7363bd0dc44f1ae0e26598b427a86eb6b8e56c4e4b502c28c6b8cb5c24e3fb27817719ed65c6384280035c851", "c9c5649797ec615f789995539c89bd76119c6ef098479cad801df0f629dd8e7e00297bc2231c08ba3d6a80b8768375c46f512dc0d44ee6e0a233695f9a115958", "744949f03ff20198e6caae84c237d612c064b0bd9bb2745d887bd0df04c3be0e", [0x2, 0x6]})
syz_mount_image$nilfs2(&(0x7f0000000ec0), &(0x7f0000000080)='./file0\x00', 0x0, &(0x7f0000000400)=ANY=[], 0x1, 0xf04, &(0x7f0000000f40)="$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")
rename(&(0x7f0000000400)='./file0\x00', &(0x7f0000000f00)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00')
mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x27ffff7, 0x4012011, 0xffffffffffffffff, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x35)
pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xfecc)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f0000000500), &(0x7f0000001040)=ANY=[], 0x841, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
write$FUSE_WRITE(r2, &(0x7f00000000c0)={0x18}, 0xfffffdef)
[ 75.557483][ T4667] Bluetooth: hci0: command tx timeout
[ 75.600704][ T5318] loop0: detected capacity change from 0 to 1024
[ 75.627941][ T5318] =======================================================
[ 75.627941][ T5318] WARNING: The mand mount option has been deprecated and
[ 75.627941][ T5318] and is ignored by this kernel. Remove the mand
[ 75.627941][ T5318] option from the mount to silence this warning.
[ 75.627941][ T5318] =======================================================
[ 75.684382][ T5318] EXT4-fs: Ignoring removed oldalloc option
[ 75.687043][ T5318] EXT4-fs: Ignoring removed orlov option
[ 75.703850][ T5318] EXT4-fs (loop0): stripe (2) is not aligned with cluster size (16), stripe is disabled
[ 75.730231][ T5318] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[ 75.794601][ T5318] ==================================================================
[ 75.797869][ T5318] BUG: KASAN: use-after-free in ext4_find_extent+0xae6/0xcc0
[ 75.800987][ T5318] Read of size 4 at addr ffff8880506c7b38 by task syz.0.0/5318
[ 75.804159][ T5318]
[ 75.805282][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 75.805296][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 75.805303][ T5318] Call Trace:
[ 75.805310][ T5318]
[ 75.805316][ T5318] dump_stack_lvl+0x189/0x250
[ 75.805335][ T5318] ? __virt_addr_valid+0x1c8/0x5c0
[ 75.805368][ T5318] ? rcu_is_watching+0x15/0xb0
[ 75.805380][ T5318] ? __pfx_dump_stack_lvl+0x10/0x10
[ 75.805396][ T5318] ? rcu_is_watching+0x15/0xb0
[ 75.805407][ T5318] ? lock_release+0x4b/0x3e0
[ 75.805417][ T5318] ? _raw_spin_lock_irqsave+0xb3/0xf0
[ 75.805470][ T5318] ? __virt_addr_valid+0x1c8/0x5c0
[ 75.805485][ T5318] ? __virt_addr_valid+0x4a5/0x5c0
[ 75.805501][ T5318] print_report+0xca/0x240
[ 75.805514][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 75.805524][ T5318] kasan_report+0x118/0x150
[ 75.805540][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 75.805550][ T5318] ext4_find_extent+0xae6/0xcc0
[ 75.805562][ T5318] ext4_ext_map_blocks+0x288/0x6ac0
[ 75.805577][ T5318] ? __lock_acquire+0xab9/0xd20
[ 75.805589][ T5318] ? __pfx_ext4_ext_map_blocks+0x10/0x10
[ 75.805603][ T5318] ? ext4_es_lookup_extent+0x622/0xa70
[ 75.805617][ T5318] ext4_map_blocks+0x860/0x1740
[ 75.805632][ T5318] ? __pfx_ext4_map_blocks+0x10/0x10
[ 75.805645][ T5318] ? __pfx___mutex_trylock_common+0x10/0x10
[ 75.805658][ T5318] ? __bfs+0x154/0x2a0
[ 75.805667][ T5318] ? __pfx_hlock_conflict+0x10/0x10
[ 75.805682][ T5318] _ext4_get_block+0x200/0x4c0
[ 75.805695][ T5318] ? __pfx__ext4_get_block+0x10/0x10
[ 75.805710][ T5318] ext4_get_block_unwritten+0x2e/0x100
[ 75.805722][ T5318] ext4_block_write_begin+0x993/0x1710
[ 75.805764][ T5318] ? __pfx_ext4_get_block_unwritten+0x10/0x10
[ 75.805780][ T5318] ? __pfx_ext4_block_write_begin+0x10/0x10
[ 75.805794][ T5318] ? folio_mapping+0x16f/0x1f0
[ 75.805812][ T5318] ? ext4_inode_journal_mode+0x18c/0x480
[ 75.805829][ T5318] ext4_write_begin+0xc04/0x19a0
[ 75.805845][ T5318] ? __pfx_ext4_write_begin+0x10/0x10
[ 75.805856][ T5318] ? __ext4_handle_dirty_metadata+0x2fd/0x810
[ 75.805873][ T5318] ext4_da_write_begin+0x445/0xda0
[ 75.805885][ T5318] ? rcu_is_watching+0x15/0xb0
[ 75.805897][ T5318] ? __pfx_ext4_da_write_begin+0x10/0x10
[ 75.805908][ T5318] generic_perform_write+0x2c5/0x900
[ 75.805921][ T5318] ? __pfx_generic_perform_write+0x10/0x10
[ 75.805930][ T5318] ? file_modified_flags+0x4bb/0x560
[ 75.805941][ T5318] ? ext4_write_checks+0x24b/0x2c0
[ 75.805956][ T5318] ext4_buffered_write_iter+0xce/0x3a0
[ 75.805971][ T5318] ext4_file_write_iter+0x298/0x1bc0
[ 75.805988][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 75.806004][ T5318] vfs_write+0x5c9/0xb30
[ 75.806017][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 75.806030][ T5318] ? __pfx_vfs_write+0x10/0x10
[ 75.806045][ T5318] ? __fget_files+0x2a/0x420
[ 75.806060][ T5318] ksys_write+0x145/0x250
[ 75.806073][ T5318] ? __pfx_ksys_write+0x10/0x10
[ 75.806086][ T5318] ? do_syscall_64+0xbe/0xfa0
[ 75.806099][ T5318] do_syscall_64+0xfa/0xfa0
[ 75.806111][ T5318] ? lockdep_hardirqs_on+0x9c/0x150
[ 75.806124][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.806134][ T5318] ? clear_bhb_loop+0x60/0xb0
[ 75.806145][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.806156][ T5318] RIP: 0033:0x7f4406b8efc9
[ 75.806168][ 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
[ 75.806176][ T5318] RSP: 002b:00007f4407985038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 75.806189][ T5318] RAX: ffffffffffffffda RBX: 00007f4406de5fa0 RCX: 00007f4406b8efc9
[ 75.806198][ T5318] RDX: 00000000fffffdef RSI: 00002000000000c0 RDI: 0000000000000006
[ 75.806206][ T5318] RBP: 00007f4406c11f91 R08: 0000000000000000 R09: 0000000000000000
[ 75.806212][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 75.806218][ T5318] R13: 00007f4406de6038 R14: 00007f4406de5fa0 R15: 00007ffe2302edd8
[ 75.806229][ T5318]
[ 75.806234][ T5318]
[ 75.970838][ T5318] The buggy address belongs to the physical page:
[ 75.973865][ T5318] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x506c7
[ 75.977718][ T5318] flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
[ 75.981037][ T5318] raw: 04fff00000000000 ffffea000141b208 ffffea000141b188 0000000000000000
[ 75.984824][ T5318] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 75.988497][ T5318] page dumped because: kasan: bad access detected
[ 75.991266][ T5318] page_owner info is not present (never set?)
[ 75.994035][ T5318]
[ 75.995200][ T5318] Memory state around the buggy address:
[ 75.997820][ T5318] ffff8880506c7a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 76.001392][ T5318] ffff8880506c7a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 76.004885][ T5318] >ffff8880506c7b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 76.008414][ T5318] ^
[ 76.010991][ T5318] ffff8880506c7b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 76.014359][ T5318] ffff8880506c7c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 76.017825][ T5318] ==================================================================
[ 76.029840][ T5318] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 76.032877][ T5318] CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 76.036516][ T5318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 76.041174][ T5318] Call Trace:
[ 76.042674][ T5318]
[ 76.043963][ T5318] dump_stack_lvl+0x99/0x250
[ 76.046055][ T5318] ? __asan_memcpy+0x40/0x70
[ 76.048066][ T5318] ? __pfx_dump_stack_lvl+0x10/0x10
[ 76.050355][ T5318] ? __pfx__printk+0x10/0x10
[ 76.052649][ T5318] vpanic+0x237/0x6d0
[ 76.055112][ T5318] ? __pfx_vpanic+0x10/0x10
[ 76.057566][ T5318] ? preempt_schedule+0xae/0xc0
[ 76.059936][ T5318] ? __pfx_preempt_schedule+0x10/0x10
[ 76.062368][ T5318] panic+0xb9/0xc0
[ 76.063990][ T5318] ? __pfx_panic+0x10/0x10
[ 76.065979][ T5318] ? _raw_spin_unlock_irqrestore+0xfd/0x110
[ 76.068597][ T5318] ? is_module_address+0x17/0xf0
[ 76.070752][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 76.072780][ T5318] check_panic_on_warn+0x89/0xb0
[ 76.074883][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 76.076990][ T5318] end_report+0x78/0x160
[ 76.078782][ T5318] kasan_report+0x129/0x150
[ 76.080708][ T5318] ? ext4_find_extent+0xae6/0xcc0
[ 76.082920][ T5318] ext4_find_extent+0xae6/0xcc0
[ 76.084932][ T5318] ext4_ext_map_blocks+0x288/0x6ac0
[ 76.087241][ T5318] ? __lock_acquire+0xab9/0xd20
[ 76.089332][ T5318] ? __pfx_ext4_ext_map_blocks+0x10/0x10
[ 76.091671][ T5318] ? ext4_es_lookup_extent+0x622/0xa70
[ 76.093964][ T5318] ext4_map_blocks+0x860/0x1740
[ 76.096126][ T5318] ? __pfx_ext4_map_blocks+0x10/0x10
[ 76.098415][ T5318] ? __pfx___mutex_trylock_common+0x10/0x10
[ 76.100988][ T5318] ? __bfs+0x154/0x2a0
[ 76.102672][ T5318] ? __pfx_hlock_conflict+0x10/0x10
[ 76.104943][ T5318] _ext4_get_block+0x200/0x4c0
[ 76.107128][ T5318] ? __pfx__ext4_get_block+0x10/0x10
[ 76.109508][ T5318] ext4_get_block_unwritten+0x2e/0x100
[ 76.111794][ T5318] ext4_block_write_begin+0x993/0x1710
[ 76.114339][ T5318] ? __pfx_ext4_get_block_unwritten+0x10/0x10
[ 76.116864][ T5318] ? __pfx_ext4_block_write_begin+0x10/0x10
[ 76.119198][ T5318] ? folio_mapping+0x16f/0x1f0
[ 76.121254][ T5318] ? ext4_inode_journal_mode+0x18c/0x480
[ 76.123795][ T5318] ext4_write_begin+0xc04/0x19a0
[ 76.125859][ T5318] ? __pfx_ext4_write_begin+0x10/0x10
[ 76.128006][ T5318] ? __ext4_handle_dirty_metadata+0x2fd/0x810
[ 76.130716][ T5318] ext4_da_write_begin+0x445/0xda0
[ 76.132955][ T5318] ? rcu_is_watching+0x15/0xb0
[ 76.135032][ T5318] ? __pfx_ext4_da_write_begin+0x10/0x10
[ 76.137255][ T5318] generic_perform_write+0x2c5/0x900
[ 76.139265][ T5318] ? __pfx_generic_perform_write+0x10/0x10
[ 76.141479][ T5318] ? file_modified_flags+0x4bb/0x560
[ 76.143701][ T5318] ? ext4_write_checks+0x24b/0x2c0
[ 76.145733][ T5318] ext4_buffered_write_iter+0xce/0x3a0
[ 76.147987][ T5318] ext4_file_write_iter+0x298/0x1bc0
[ 76.150228][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 76.152663][ T5318] vfs_write+0x5c9/0xb30
[ 76.154385][ T5318] ? __pfx_ext4_file_write_iter+0x10/0x10
[ 76.156736][ T5318] ? __pfx_vfs_write+0x10/0x10
[ 76.158828][ T5318] ? __fget_files+0x2a/0x420
[ 76.160876][ T5318] ksys_write+0x145/0x250
[ 76.162900][ T5318] ? __pfx_ksys_write+0x10/0x10
[ 76.165062][ T5318] ? do_syscall_64+0xbe/0xfa0
[ 76.166827][ T5318] do_syscall_64+0xfa/0xfa0
[ 76.168454][ T5318] ? lockdep_hardirqs_on+0x9c/0x150
[ 76.170684][ T5318] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.173206][ T5318] ? clear_bhb_loop+0x60/0xb0
[ 76.175413][ T5318] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.178103][ T5318] RIP: 0033:0x7f4406b8efc9
[ 76.180479][ 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
[ 76.189076][ T5318] RSP: 002b:00007f4407985038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 76.192583][ T5318] RAX: ffffffffffffffda RBX: 00007f4406de5fa0 RCX: 00007f4406b8efc9
[ 76.196050][ T5318] RDX: 00000000fffffdef RSI: 00002000000000c0 RDI: 0000000000000006
[ 76.199615][ T5318] RBP: 00007f4406c11f91 R08: 0000000000000000 R09: 0000000000000000
[ 76.203062][ T5318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.206586][ T5318] R13: 00007f4406de6038 R14: 00007f4406de5fa0 R15: 00007ffe2302edd8
[ 76.210110][ T5318]
[ 76.211750][ T5318] Kernel Offset: disabled
[ 76.213648][ T5318] Rebooting in 86400 seconds..