syzbot

ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 5
ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6
==================================================================
BUG: KASAN: user-memory-access in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: user-memory-access in atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:400 [inline]
BUG: KASAN: user-memory-access in __refcount_sub_and_test include/linux/refcount.h:389 [inline]
BUG: KASAN: user-memory-access in __refcount_dec_and_test include/linux/refcount.h:432 [inline]
BUG: KASAN: user-memory-access in refcount_dec_and_test include/linux/refcount.h:450 [inline]
BUG: KASAN: user-memory-access in posix_acl_release include/linux/posix_acl.h:62 [inline]
BUG: KASAN: user-memory-access in __destroy_inode+0x496/0x670 fs/inode.c:383
Write of size 4 at addr 0000000b00000000 by task syz-executor217/5840

CPU: 0 UID: 0 PID: 5840 Comm: syz-executor217 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 kasan_report+0x118/0x150 mm/kasan/report.c:634
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:189
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:400 [inline]
 __refcount_sub_and_test include/linux/refcount.h:389 [inline]
 __refcount_dec_and_test include/linux/refcount.h:432 [inline]
 refcount_dec_and_test include/linux/refcount.h:450 [inline]
 posix_acl_release include/linux/posix_acl.h:62 [inline]
 __destroy_inode+0x496/0x670 fs/inode.c:383
 destroy_inode fs/inode.c:394 [inline]
 evict+0x797/0x9c0 fs/inode.c:834
 dispose_list fs/inode.c:852 [inline]
 evict_inodes+0x636/0x6c0 fs/inode.c:906
 generic_shutdown_super+0x9a/0x2c0 fs/super.c:628
 kill_block_super+0x44/0x90 fs/super.c:1755
 deactivate_locked_super+0xb9/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6b5/0x22e0 kernel/exit.c:964
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105
 __do_sys_exit_group kernel/exit.c:1116 [inline]
 __se_sys_exit_group kernel/exit.c:1114 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1114
 x64_sys_call+0x21ba/0x21c0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdbae9ac6c9
Code: Unable to access opcode bytes at 0x7fdbae9ac69f.
RSP: 002b:00007ffe62256bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdbae9ac6c9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007fdbaea2e370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000246 R12: 00007fdbaea2e370
R13: 0000000000000000 R14: 00007fdbaea2f0e0 R15: 00007fdbae97a670
 </TASK>
==================================================================