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 ERROR: (device loop0): 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:101 [inline] BUG: KASAN: user-memory-access in atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:167 [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+0x427/0x5e0 fs/inode.c:273 Write of size 4 at addr 0000000b00000000 by task syz-executor313/3569 CPU: 1 PID: 3569 Comm: syz-executor313 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 __kasan_report mm/kasan/report.c:438 [inline] kasan_report+0x161/0x1c0 mm/kasan/report.c:451 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:167 [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+0x427/0x5e0 fs/inode.c:273 destroy_inode fs/inode.c:284 [inline] evict+0x7d6/0x930 fs/inode.c:637 dispose_list fs/inode.c:655 [inline] evict_inodes+0x601/0x6a0 fs/inode.c:705 generic_shutdown_super+0x99/0x2c0 fs/super.c:454 kill_block_super+0x7a/0xe0 fs/super.c:1425 deactivate_locked_super+0xa0/0x110 fs/super.c:335 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143 task_work_run+0x129/0x1a0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x6a3/0x2480 kernel/exit.c:874 do_group_exit+0x144/0x310 kernel/exit.c:996 __do_sys_exit_group kernel/exit.c:1007 [inline] __se_sys_exit_group kernel/exit.c:1005 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f8a6d3c0009 Code: Unable to access opcode bytes at RIP 0x7f8a6d3bffdf. RSP: 002b:00007ffd9dbb4d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8a6d3c0009 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007f8a6d442370 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000246 R12: 00007f8a6d442370 R13: 0000000000000000 R14: 00007f8a6d4430e0 R15: 00007f8a6d38dd70 ==================================================================