loop5: detected capacity change from 0 to 14901
jfs_mount: diMount failed w/rc = -5
==================================================================
BUG: KASAN: use-after-free in diFree+0x17c4/0x26c0 fs/jfs/jfs_imap.c:871
Read of size 4 at addr ffff0000c7948004 by task syz-executor.5/14373

CPU: 1 PID: 14373 Comm: syz-executor.5 Not tainted 5.15.113-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x174/0x1e4 mm/kasan/report.c:451
 __asan_report_load4_noabort+0x44/0x50 mm/kasan/report_generic.c:308
 diFree+0x17c4/0x26c0 fs/jfs/jfs_imap.c:871
 jfs_evict_inode+0x2d8/0x408 fs/jfs/inode.c:156
 evict+0x260/0x68c fs/inode.c:587
 iput_final fs/inode.c:1663 [inline]
 iput+0x744/0x824 fs/inode.c:1689
 diFreeSpecial+0x78/0x108 fs/jfs/jfs_imap.c:548
 jfs_mount+0x53c/0x7a4 fs/jfs/jfs_mount.c:203
 jfs_fill_super+0x47c/0xa08 fs/jfs/super.c:561
 mount_bdev+0x26c/0x368 fs/super.c:1378
 jfs_do_mount+0x44/0x58 fs/jfs/super.c:675
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:610
 vfs_get_tree+0x90/0x274 fs/super.c:1508
 do_new_mount+0x25c/0x8c8 fs/namespace.c:2994
 path_mount+0x590/0x104c fs/namespace.c:3324
 do_mount fs/namespace.c:3337 [inline]
 __do_sys_mount fs/namespace.c:3545 [inline]
 __se_sys_mount fs/namespace.c:3522 [inline]
 __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

The buggy address belongs to the page:
page:00000000ef9ef3ca refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107948
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000000 fffffc000363f208 fffffc00030b5608 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000c7947f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000c7947f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000c7948000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff0000c7948080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000c7948100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
imap: 00000000ce7bb086: d74b2500 ffff0000 0000350b 8740023b
imap: 000000005009d64b: 00000000 00000000 00000000 00000000
ERROR: (device loop5): diFree: inum = 2, iagno = 0, nextiag = -65536

Mount JFS Failure: -5
jfs_mount failed w/return code = -5