XFS (loop0): log I/O error -5
XFS (loop0): Filesystem has been shut down due to log error (0x2).
XFS (loop0): Please unmount the filesystem and rectify the problem(s).
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x8d/0xb70 kernel/locking/lockdep.c:4922
Read of size 8 at addr ffff88806d6a7860 by task kworker/0:1H/349

CPU: 0 PID: 349 Comm: kworker/0:1H Not tainted 6.1.61-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: xfs-log/loop0 xlog_ioend_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xf4/0x251 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 __lock_acquire+0x8d/0xb70 kernel/locking/lockdep.c:4922
 lock_acquire+0x1a2/0x390 kernel/locking/lockdep.c:5661
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 xfs_trans_committed_bulk+0xcf/0x670 fs/xfs/xfs_trans.c:773
 xlog_cil_committed+0x24a/0xb90 fs/xfs/xfs_log_cil.c:795
 xlog_cil_process_committed+0x144/0x180 fs/xfs/xfs_log_cil.c:823
 xlog_state_shutdown_callbacks+0x29f/0x390 fs/xfs/xfs_log.c:538
 xlog_force_shutdown+0x282/0x2d0 fs/xfs/xfs_log.c:3821
 xlog_ioend_work+0x92/0xe0 fs/xfs/xfs_log.c:1402
 process_one_work+0x745/0xe90 kernel/workqueue.c:2292
 worker_thread+0x806/0xe60 kernel/workqueue.c:2439
 kthread+0x1e8/0x240 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Allocated by task 3793:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:955 [inline]
 __kmalloc+0xa6/0x1c0 mm/slab_common.c:968
 kmalloc include/linux/slab.h:558 [inline]
 kmem_alloc+0xbf/0x300 fs/xfs/kmem.c:20
 kmem_zalloc fs/xfs/kmem.h:69 [inline]
 xfs_trans_ail_init+0x1c/0x230 fs/xfs/xfs_trans_ail.c:902
 xfs_log_mount+0x229/0x550 fs/xfs/xfs_log.c:721
 xfs_mountfs+0x990/0x16b0 fs/xfs/xfs_mount.c:805
 xfs_fs_fill_super+0xb3e/0xe70 fs/xfs/xfs_super.c:1669
 get_tree_bdev+0x3c7/0x5f0 fs/super.c:1355
 vfs_get_tree+0x7a/0x170 fs/super.c:1562
 do_new_mount+0x1e1/0x8f0 fs/namespace.c:3040
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x23e/0x2d0 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 2269:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x122/0x1e0 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 __kmem_cache_free+0x2b4/0x470 mm/slub.c:3674
 xfs_log_unmount+0x49/0xc0 fs/xfs/xfs_log.c:1116
 xfs_unmountfs+0x10b/0x1c0 fs/xfs/xfs_mount.c:1081
 xfs_fs_put_super+0x67/0x2a0 fs/xfs/xfs_super.c:1118
 generic_shutdown_super+0x107/0x2c0 fs/super.c:501
 kill_block_super+0x75/0xb0 fs/super.c:1459
 deactivate_locked_super+0x71/0xd0 fs/super.c:332
 cleanup_mnt+0x2bd/0x330 fs/namespace.c:1186
 task_work_run+0x206/0x280 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xa9/0xc0 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0x6c/0xc0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x27/0x1c0 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88806d6a7800
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 96 bytes inside of
 256-byte region [ffff88806d6a7800, ffff88806d6a7900)

The buggy address belongs to the physical page:
page:ffffea0001b5a980 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6d6a6
head:ffffea0001b5a980 order:1 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88800ac41b40
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 2, tgid 2 (kthreadd), ts 78131747398, free_ts 78006763794
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x286/0x2b0 mm/page_alloc.c:2513
 prep_new_page mm/page_alloc.c:2520 [inline]
 get_page_from_freelist+0x2fdd/0x3170 mm/page_alloc.c:4279
 __alloc_pages+0x251/0x640 mm/page_alloc.c:5545
 alloc_slab_page+0x6a/0x150 mm/slub.c:1794
 allocate_slab mm/slub.c:1939 [inline]
 new_slab+0x70/0x250 mm/slub.c:1992
 ___slab_alloc+0x9df/0xe70 mm/slub.c:3180
 __slab_alloc mm/slub.c:3279 [inline]
 slab_alloc_node mm/slub.c:3364 [inline]
 __kmem_cache_alloc_node+0x195/0x250 mm/slub.c:3437
 kmalloc_trace+0x26/0xc0 mm/slab_common.c:1045
 kmalloc include/linux/slab.h:553 [inline]
 kzalloc include/linux/slab.h:689 [inline]
 set_kthread_struct+0x76/0x170 kernel/kthread.c:117
 copy_process+0xfba/0x36a0 kernel/fork.c:2194
 kernel_clone+0x190/0x680 kernel/fork.c:2682
 kernel_thread+0x14d/0x1d0 kernel/fork.c:2742
 create_kthread kernel/kthread.c:399 [inline]
 kthreadd+0x460/0x5d0 kernel/kthread.c:746
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1440 [inline]
 free_pcp_prepare mm/page_alloc.c:1490 [inline]
 free_unref_page_prepare+0xd4b/0xee0 mm/page_alloc.c:3358
 free_unref_page+0x33/0x390 mm/page_alloc.c:3453
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x54/0x3e0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x10c/0x290 mm/slub.c:3422
 getname_flags+0x9c/0x430 fs/namei.c:139
 user_path_at_empty+0x1b/0x50 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 inotify_find_inode fs/notify/inotify/inotify_user.c:378 [inline]
 __do_sys_inotify_add_watch fs/notify/inotify/inotify_user.c:777 [inline]
 __se_sys_inotify_add_watch+0x13f/0xcc0 fs/notify/inotify/inotify_user.c:730
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffff88806d6a7700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88806d6a7780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88806d6a7800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                       ^
 ffff88806d6a7880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806d6a7900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================