loop0: detected capacity change from 0 to 32768
(syz.0.0,5319,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
(syz.0.0,5319,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
(syz.0.0,5319,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xcfdff595, computed 0xefed4a20. Applying ECC.
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
(syz.0.0,5319,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0x2c7b5077, computed 0x28030c75. Applying ECC.
(syz.0.0,5319,0):ocfs2_block_check_validate:416 ERROR: Fixed CRC32 failed: stored: 0x2c7b5077, computed 0x28d1d8ae
(syz.0.0,5319,0):ocfs2_read_quota_phys_block:160 ERROR: status = -5
(syz.0.0,5319,0):ocfs2_quota_read:201 ERROR: status = -5
Quota error (device loop0): find_tree_dqentry: Can't read quota tree block 5
Quota error (device loop0): qtree_read_dquot: Can't read quota structure for id 0
(syz.0.0,5319,0):ocfs2_acquire_dquot:885 ERROR: status = -5
(syz.0.0,5319,0):ocfs2_mknod:312 ERROR: status = -5
(syz.0.0,5319,0):ocfs2_mknod:500 ERROR: status = -5
(syz.0.0,5319,0):ocfs2_create:674 ERROR: status = -5
ocfs2: Unmounting device (7,0) on (node local)
VFS: Busy inodes after unmount of loop0 (ocfs2)
------------[ cut here ]------------
kernel BUG at fs/super.c:652!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.13.0-rc1-syzkaller-00337-g7503345ac5f5 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 fs/super.c:650
Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 a9 42 ed ff 48 8b 13 48 c7 c7 00 2d 18 8c 4c 89 e6 e8 37 ea e9 fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d317900 EFLAGS: 00010246
RAX: 000000000000002f RBX: ffffffff8ee49d20 RCX: 9707f1577d9cda00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff11003c2f4f0 R08: ffffffff817f075c R09: 1ffff92001a62ebc
R10: dffffc0000000000 R11: fffff52001a62ebd R12: ffff88801e17a668
R13: dffffc0000000000 R14: ffffffff8c48d2d8 R15: ffff88801e17a780
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000042dfe000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kill_block_super+0x44/0x90 fs/super.c:1710
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x24f/0x310 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0xa2f/0x28e0 kernel/exit.c:938
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 get_signal+0x16b2/0x1750 kernel/signal.c:3017
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f067d17fed9
Code: Unable to access opcode bytes at 0x7f067d17feaf.
RSP: 002b:00007f067dea1058 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: fffffffffffffffb RBX: 00007f067d345fa0 RCX: 00007f067d17fed9
RDX: 000000000000275a RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f067d1f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f067d345fa0 R15: 00007ffdc6f95e08
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 fs/super.c:650
Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 a9 42 ed ff 48 8b 13 48 c7 c7 00 2d 18 8c 4c 89 e6 e8 37 ea e9 fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d317900 EFLAGS: 00010246
RAX: 000000000000002f RBX: ffffffff8ee49d20 RCX: 9707f1577d9cda00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff11003c2f4f0 R08: ffffffff817f075c R09: 1ffff92001a62ebc
R10: dffffc0000000000 R11: fffff52001a62ebd R12: ffff88801e17a668
R13: dffffc0000000000 R14: ffffffff8c48d2d8 R15: ffff88801e17a780
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001cefe000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400