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: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+0x4a4/0x84c fs/inode.c:298
Write of size 4 at addr 0000000b00000000 by task syz-executor.0/4249

CPU: 0 PID: 4249 Comm: syz-executor.0 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_report+0xe4/0x4c0 mm/kasan/report.c:398
 kasan_report+0xd4/0x130 mm/kasan/report.c:495
 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189
 __kasan_check_write+0x2c/0x3c mm/kasan/shadow.c:37
 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+0x4a4/0x84c fs/inode.c:298
 destroy_inode fs/inode.c:309 [inline]
 evict+0x564/0x68c fs/inode.c:681
 dispose_list fs/inode.c:699 [inline]
 evict_inodes+0x6b4/0x74c fs/inode.c:749
 generic_shutdown_super+0x9c/0x328 fs/super.c:480
 kill_block_super+0x70/0xdc fs/super.c:1459
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x240/0x2f0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2148/0x3474 arch/arm64/kernel/signal.c:1132
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
==================================================================
Unable to handle kernel paging request at virtual address 0000000b00000000
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005
  CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000012c9c4000
[0000000b00000000] pgd=0800000132711003, p4d=0800000132711003, pud=0000000000000000
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4249 Comm: syz-executor.0 Tainted: G    B              6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--)
pc : __lse_atomic_fetch_add_release arch/arm64/include/asm/atomic_lse.h:62 [inline]
pc : __lse_atomic_fetch_sub_release arch/arm64/include/asm/atomic_lse.h:76 [inline]
pc : arch_atomic_fetch_sub_release arch/arm64/include/asm/atomic.h:51 [inline]
pc : atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:177 [inline]
pc : __refcount_sub_and_test include/linux/refcount.h:272 [inline]
pc : __refcount_dec_and_test include/linux/refcount.h:315 [inline]
pc : refcount_dec_and_test include/linux/refcount.h:333 [inline]
pc : posix_acl_release include/linux/posix_acl.h:57 [inline]
pc : __destroy_inode+0x4b0/0x84c fs/inode.c:298
lr : arch_atomic_fetch_sub_release arch/arm64/include/asm/atomic.h:51 [inline]
lr : atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:177 [inline]
lr : __refcount_sub_and_test include/linux/refcount.h:272 [inline]
lr : __refcount_dec_and_test include/linux/refcount.h:315 [inline]
lr : refcount_dec_and_test include/linux/refcount.h:333 [inline]
lr : posix_acl_release include/linux/posix_acl.h:57 [inline]
lr : __destroy_inode+0x4ac/0x84c fs/inode.c:298
sp : ffff80001df37710
x29: ffff80001df37710 x28: 1fffe0001c4b4680 x27: dfff800000000000
x26: 1fffe0001c4b4685 x25: 1fffe0001c4b4683 x24: dfff800000000000
x23: ffff0000e25a32f8 x22: ffff0000cedc8060 x21: 0000000000000001
x20: 0000000000000000 x19: 0000000b00000000 x18: 1fffe0003686af76
x17: ffff80001584d000 x16: ffff80001215c9dc x15: ffff0001b4357bbc
x14: ffff0001b4357bb8 x13: 1fffe0003686af76 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008aad150
x8 : 00000000ffffffff x7 : 1fffe0003686af77 x6 : ffff80000827c8d4
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000081aebac
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 arch_atomic_fetch_sub_release arch/arm64/include/asm/atomic.h:51 [inline]
 atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:177 [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+0x4b0/0x84c fs/inode.c:298
 destroy_inode fs/inode.c:309 [inline]
 evict+0x564/0x68c fs/inode.c:681
 dispose_list fs/inode.c:699 [inline]
 evict_inodes+0x6b4/0x74c fs/inode.c:749
 generic_shutdown_super+0x9c/0x328 fs/super.c:480
 kill_block_super+0x70/0xdc fs/super.c:1459
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x240/0x2f0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2148/0x3474 arch/arm64/kernel/signal.c:1132
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 97fb28b7 d503201f 97e93752 12800008 (b8680274) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97fb28b7 	bl	0xffffffffffeca2dc
   4:	d503201f 	nop
   8:	97e93752 	bl	0xffffffffffa4dd50
   c:	12800008 	mov	w8, #0xffffffff            	// #-1
* 10:	b8680274 	ldaddl	w8, w20, [x19] <-- trapping instruction