syzbot

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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:264 [inline]
BUG: KASAN: user-memory-access in __refcount_dec_and_test include/linux/refcount.h:307 [inline]
BUG: KASAN: user-memory-access in refcount_dec_and_test include/linux/refcount.h:325 [inline]
BUG: KASAN: user-memory-access in posix_acl_release include/linux/posix_acl.h:57 [inline]
BUG: KASAN: user-memory-access in __destroy_inode+0x479/0x650 fs/inode.c:298
Write of size 4 at addr 0000000b00000000 by task syz-executor337/5076

CPU: 1 PID: 5076 Comm: syz-executor337 Not tainted 6.9.0-rc6-syzkaller-00234-g7367539ad4b0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 print_report+0xe8/0x550 mm/kasan/report.c:491
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 kasan_check_range+0x282/0x290 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:264 [inline]
 __refcount_dec_and_test include/linux/refcount.h:307 [inline]
 refcount_dec_and_test include/linux/refcount.h:325 [inline]
 posix_acl_release include/linux/posix_acl.h:57 [inline]
 __destroy_inode+0x479/0x650 fs/inode.c:298
 destroy_inode fs/inode.c:309 [inline]
 evict+0x521/0x630 fs/inode.c:682
 dispose_list fs/inode.c:700 [inline]
 evict_inodes+0x5f9/0x690 fs/inode.c:750
 generic_shutdown_super+0x9d/0x2d0 fs/super.c:626
 kill_block_super+0x44/0x90 fs/super.c:1675
 deactivate_locked_super+0xc4/0x130 fs/super.c:472
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 ptrace_notify+0x2d2/0x380 kernel/signal.c:2404
 ptrace_report_syscall include/linux/ptrace.h:415 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline]
 syscall_exit_work+0xc6/0x190 kernel/entry/common.c:173
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:200 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:205 [inline]
 syscall_exit_to_user_mode+0x273/0x370 kernel/entry/common.c:218
 do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f18083ecac7
Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffee77372b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000555555ba7438 RCX: 00007f18083ecac7
RDX: 00000000000107d0 RSI: 0000000000000009 RDI: 00007ffee7738460
RBP: 0000000000000064 R08: 0000555555bb889b R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 00007ffee7738460
R13: 0000555555bb0800 R14: 431bde82d7b634db R15: 00007ffee77394f0
 </TASK>
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