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BUG: KASAN: slab-use-after-free in txEnd+0x32d/0x530
Write of size 8 at addr ffff8881ad48b040 by task jfsCommit/126

CPU: 0 UID: 0 PID: 126 Comm: jfsCommit Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150
 print_address_description+0x55/0x1e0
 print_report+0x58/0x70
 kasan_report+0x117/0x150
 kasan_check_range+0x264/0x2c0
 txEnd+0x32d/0x530
 jfs_lazycommit+0x5d6/0xac0
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Allocated by task 13564:
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x321/0x600
 lmLogOpen+0x2d1/0xf90
 jfs_mount_rw+0xf3/0x670
 jfs_fill_super+0x769/0xda0
 get_tree_bdev_flags+0x430/0x4f0
 vfs_get_tree+0x92/0x2a0
 do_new_mount+0x319/0xdc0
 __se_sys_mount+0x31d/0x420
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 12796:
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x40/0x50
 __kasan_slab_free+0x5c/0x80
 kfree+0x1c5/0x650
 lmLogClose+0x296/0x530
 jfs_umount+0x2da/0x3b0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x13d/0x2d0
 kill_block_super+0x44/0xa0
 deactivate_locked_super+0xbc/0x110
 cleanup_mnt+0x3d3/0x460
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0x204/0x770
 do_syscall_64+0x328/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8881ad48b000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 64 bytes inside of
 freed 1024-byte region [ffff8881ad48b000, ffff8881ad48b400)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1ad488
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000040 ffff888100041dc0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000040 ffff888100041dc0 dead000000000100 dead000000000122
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 057ff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5611, tgid 5611 (kworker/u10:4), ts 57357475910
 post_alloc_hook+0x1f9/0x250
 get_page_from_freelist+0x2209/0x2280
 __alloc_frozen_pages_noprof+0x217/0x5a0
 allocate_slab+0x7d/0x620
 refill_objects+0x2d5/0x350
 __pcs_replace_empty_main+0x2c8/0x6c0
 __kmalloc_noprof+0x47b/0x720
 ieee802_11_parse_elems_full+0x14b/0x2de0
 ieee80211_inform_bss+0x163/0x10d0
 cfg80211_inform_single_bss_data+0xd9c/0x1be0
 cfg80211_inform_bss_data+0x263/0x3cc0
 cfg80211_inform_bss_frame_data+0x3c7/0x840
 ieee80211_bss_info_update+0x791/0xa50
 ieee80211_ibss_rx_queued_mgmt+0x1ce3/0x2c40
 ieee80211_iface_work+0x78a/0x1010
 cfg80211_wiphy_work+0x29e/0x420
page last free pid 52 tgid 52 ts 53797822517 stack trace:
 free_unref_folios+0xdc2/0x14e0
 folios_put_refs+0x9e9/0xb30
 release_pages+0x464/0x4d0
 io_free_region+0xb3/0x300
 io_ring_ctx_free+0x2ee/0x630
 io_ring_exit_work+0x913/0x9a0
 process_scheduled_works+0xc3d/0x1630
 worker_thread+0xa47/0xfb0
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30

Memory state around the buggy address:
 ffff8881ad48af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881ad48af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8881ad48b000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                           ^
 ffff8881ad48b080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881ad48b100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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