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BUG: KASAN: slab-use-after-free in txEnd+0x32d/0x530
Write of size 8 at addr ffff88816a479840 by task jfsCommit/133

CPU: 0 UID: 0 PID: 133 Comm: jfsCommit Tainted: G             L      syzkaller #0 PREEMPT_{RT,(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+0x55a/0xa10
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Allocated by task 12000:
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x3a6/0x690
 lmLogOpen+0x2d1/0xfa0
 jfs_mount_rw+0xee/0x670
 jfs_fill_super+0x754/0xd80
 get_tree_bdev_flags+0x431/0x4f0
 vfs_get_tree+0x92/0x2a0
 do_new_mount+0x341/0xd30
 __se_sys_mount+0x31d/0x420
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 10063:
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kfree+0x1c5/0x6c0
 lmLogClose+0x297/0x520
 jfs_umount+0x2fb/0x3d0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x13d/0x2d0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xf3/0x4d0
 do_syscall_64+0x33e/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88816a479800
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 64 bytes inside of
 freed 1024-byte region [ffff88816a479800, ffff88816a479c00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16a478
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x500000000000040(head|node=1|zone=2)
page_type: f5(slab)
raw: 0500000000000040 ffff888100041dc0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 0500000000000040 ffff888100041dc0 dead000000000100 dead000000000122
head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 0500000000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: 0000000000000000 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 150, tgid 150 (kworker/u10:4), ts 73932192519, free_ts 73906475893
 post_alloc_hook+0x1f9/0x250
 get_page_from_freelist+0x27d6/0x2850
 __alloc_frozen_pages_noprof+0x18d/0x380
 allocate_slab+0x74/0x5e0
 refill_objects+0x33c/0x3d0
 __pcs_replace_empty_main+0x373/0x720
 __kmalloc_noprof+0x530/0x7b0
 ieee802_11_parse_elems_full+0x14b/0x2bd0
 ieee80211_inform_bss+0x161/0x1160
 cfg80211_inform_single_bss_data+0xd2f/0x1b80
 cfg80211_inform_bss_data+0x25d/0x3c40
 cfg80211_inform_bss_frame_data+0x3c7/0x730
 ieee80211_bss_info_update+0x794/0xa40
 ieee80211_ibss_rx_queued_mgmt+0x1901/0x2cb0
 ieee80211_iface_work+0x78b/0x1020
 cfg80211_wiphy_work+0x2cf/0x460
page last free pid 5613 tgid 5613 stack trace:
 __free_frozen_pages+0x1075/0x11b0
 __slab_free+0x252/0x2a0
 qlist_free_all+0x99/0x100
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_node_noprof+0x22a/0x6e0
 __alloc_skb+0x1d0/0x7d0
 rtnl_getlink+0x90a/0xce0
 rtnetlink_rcv_msg+0x77e/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x780/0x920
 netlink_sendmsg+0x813/0xb40
 sock_sendmsg_nosec+0x112/0x150
 __sys_sendto+0x402/0x590
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0x15f/0xf80

Memory state around the buggy address:
 ffff88816a479700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88816a479780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88816a479800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                           ^
 ffff88816a479880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88816a479900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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