================================================================== BUG: KASAN: user-memory-access in instrument_atomic_read_write include/linux/instrumented.h:102 [inline] BUG: KASAN: user-memory-access in atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:176 [inline] BUG: KASAN: user-memory-access in __refcount_sub_and_test include/linux/refcount.h:272 [inline] BUG: KASAN: user-memory-access in __refcount_dec_and_test include/linux/refcount.h:315 [inline] BUG: KASAN: user-memory-access in refcount_dec_and_test include/linux/refcount.h:333 [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+0x47a/0x640 fs/inode.c:298 Write of size 4 at addr 0000000b00000000 by task syz-executor.2/4093 CPU: 0 PID: 4093 Comm: syz-executor.2 Not tainted 6.1.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_report+0xe6/0x4f0 mm/kasan/report.c:398 kasan_report+0x136/0x160 mm/kasan/report.c:495 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:102 [inline] atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:176 [inline] __refcount_sub_and_test include/linux/refcount.h:272 [inline] __refcount_dec_and_test include/linux/refcount.h:315 [inline] refcount_dec_and_test include/linux/refcount.h:333 [inline] posix_acl_release include/linux/posix_acl.h:57 [inline] __destroy_inode+0x47a/0x640 fs/inode.c:298 destroy_inode fs/inode.c:309 [inline] evict+0x51b/0x620 fs/inode.c:681 dispose_list fs/inode.c:699 [inline] evict_inodes+0x601/0x6a0 fs/inode.c:749 generic_shutdown_super+0x94/0x340 fs/super.c:480 kill_block_super+0x7a/0xe0 fs/super.c:1459 deactivate_locked_super+0xa0/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1186 task_work_run+0x246/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa73/0x26a0 kernel/exit.c:869 do_group_exit+0x202/0x2b0 kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fa2b2c7de69 Code: Unable to access opcode bytes at 0x7fa2b2c7de3f. RSP: 002b:00007ffc3a2ffbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fa2b2cc93de RCX: 00007fa2b2c7de69 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 00007ffc3a2fd957 R09: 00007ffc3a300e70 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3a300e70 R13: 00007fa2b2cc93b9 R14: 00000000000197e7 R15: 0000000000000014 ==================================================================