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BUG: KASAN: slab-use-after-free in _raw_spin_lock_irqsave+0x40/0x60
Read of size 1 at addr ffff888111d590d8 by task jfsCommit/116

CPU: 0 UID: 0 PID: 116 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) 
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_report+0xba/0x230
 kasan_report+0x117/0x150
 __kasan_check_byte+0x2a/0x40
 lock_acquire+0x79/0x2e0
 _raw_spin_lock_irqsave+0x40/0x60
 __mutex_lock+0x3cb/0x1300
 jfs_syncpt+0x25/0x90
 txEnd+0x2e5/0x530
 jfs_lazycommit+0x5b8/0xaa0
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Allocated by task 6836:
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x31c/0x660
 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+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5803:
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kfree+0x1c1/0x630
 lmLogClose+0x297/0x520
 jfs_umount+0x2ef/0x3c0
 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+0xed/0x480
 do_syscall_64+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888111d59000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 216 bytes inside of
 freed 1024-byte region [ffff888111d59000, ffff888111d59400)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888111d58800 pfn:0x111d58
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x17ff00000000240(workingset|head|node=0|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 017ff00000000240 ffff888100041dc0 ffff888100040888 ffffea00047c1010
raw: ffff888111d58800 000000000010000f 00000000f5000000 0000000000000000
head: 017ff00000000240 ffff888100041dc0 ffff888100040888 ffffea00047c1010
head: ffff888111d58800 000000000010000f 00000000f5000000 0000000000000000
head: 017ff00000000003 ffffea0004475601 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 6611, tgid 6610 (syz.2.182), ts 73584504413, free_ts 73432502011
 post_alloc_hook+0x231/0x280
 get_page_from_freelist+0x24dc/0x2580
 __alloc_frozen_pages_noprof+0x18d/0x380
 allocate_slab+0x77/0x660
 refill_objects+0x331/0x3c0
 __pcs_replace_empty_main+0x2b9/0x620
 __kmalloc_noprof+0x474/0x760
 __alloc_workqueue+0xff/0x1e90
 alloc_workqueue_noprof+0xe3/0x210
 ext4_fill_super+0x4a5d/0x6320
 get_tree_bdev_flags+0x431/0x4f0
 vfs_get_tree+0x92/0x2a0
 do_new_mount+0x341/0xd30
 __se_sys_mount+0x31d/0x420
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 12 tgid 12 stack trace:
 __free_frozen_pages+0xc2b/0xdb0
 __slab_free+0x263/0x2b0
 qlist_free_all+0x97/0x100
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_node_noprof+0x384/0x690
 __alloc_skb+0x1d0/0x7d0
 inet_netconf_notify_devconf+0x173/0x240
 inetdev_event+0x79e/0x1610
 notifier_call_chain+0x1be/0x400
 unregister_netdevice_many_notify+0x186a/0x2370
 ops_undo_list+0x3d3/0x940
 cleanup_net+0x56b/0x800
 process_scheduled_works+0xb02/0x1830
 worker_thread+0xa50/0xfc0
 kthread+0x388/0x470

Memory state around the buggy address:
 ffff888111d58f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888111d59000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888111d59080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff888111d59100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888111d59180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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