ERROR: (device loop3): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6 ERROR: (device loop3): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 7 ================================================================== 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/3557 CPU: 1 PID: 3557 Comm: syz-executor Not tainted 6.1.100-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 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 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f8b88376e87 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff7cca2f28 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007f8b88376e87 RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007fff7cca40d0 RBP: 00007f8b883e344c R08: 00005555565646ab R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000202 R12: 00007fff7cca40d0 R13: 00007f8b883e344c R14: 00005555565394a8 R15: 000000000000dbd6 ==================================================================