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BUG: KASAN: use-after-free in __lock_acquire+0x400f/0x5c00 kernel/locking/lockdep.c:4700
Read of size 8 at addr ffff88801e4bfe68 by task ksoftirqd/0/10

CPU: 0 PID: 10 Comm: ksoftirqd/0 Not tainted 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:118
 print_address_description.constprop.0.cold+0xae/0x497 mm/kasan/report.c:385
 __kasan_report mm/kasan/report.c:545 [inline]
 kasan_report.cold+0x1f/0x37 mm/kasan/report.c:562
 __lock_acquire+0x400f/0x5c00 kernel/locking/lockdep.c:4700
 lock_acquire kernel/locking/lockdep.c:5435 [inline]
 lock_acquire+0x2a3/0x8c0 kernel/locking/lockdep.c:5400
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
 __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:122
 lbmIODone+0x44b/0xf60 fs/jfs/jfs_logmgr.c:2294
 bio_endio+0x3d3/0x7a0 block/bio.c:1450
 req_bio_endio block/blk-core.c:263 [inline]
 blk_update_request+0x68e/0x1490 block/blk-core.c:1467
 blk_mq_end_request+0x4c/0x510 block/blk-mq.c:562
 lo_complete_rq+0x20d/0x2d0 drivers/block/loop.c:501
 blk_done_softirq+0x294/0x3e0 block/blk-mq.c:586
 __do_softirq+0x2a0/0x9f6 kernel/softirq.c:298
 run_ksoftirqd kernel/softirq.c:653 [inline]
 run_ksoftirqd+0x2d/0x50 kernel/softirq.c:645
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:165
 kthread+0x3af/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Allocated by task 27218:
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48
 kasan_set_track mm/kasan/common.c:56 [inline]
 __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:461
 kmem_cache_alloc_trace+0x162/0x440 mm/slab.c:3552
 kmalloc include/linux/slab.h:552 [inline]
 lbmLogInit fs/jfs/jfs_logmgr.c:1829 [inline]
 lmLogInit+0x30b/0x1400 fs/jfs/jfs_logmgr.c:1278
 open_inline_log fs/jfs/jfs_logmgr.c:1183 [inline]
 lmLogOpen+0x726/0x11f0 fs/jfs/jfs_logmgr.c:1077
 jfs_mount_rw+0x286/0x4b0 fs/jfs/jfs_mount.c:259
 jfs_fill_super+0x860/0xbc0 fs/jfs/super.c:571
 mount_bdev+0x32e/0x3f0 fs/super.c:1419
 legacy_get_tree+0x105/0x220 fs/fs_context.c:592
 vfs_get_tree+0x89/0x2f0 fs/super.c:1549
 do_new_mount fs/namespace.c:2875 [inline]
 path_mount+0x13ad/0x20c0 fs/namespace.c:3205
 do_mount fs/namespace.c:3218 [inline]
 __do_sys_mount fs/namespace.c:3426 [inline]
 __se_sys_mount fs/namespace.c:3403 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3403
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Freed by task 27218:
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48
 kasan_set_track+0x1c/0x30 mm/kasan/common.c:56
 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355
 __kasan_slab_free+0xd8/0x120 mm/kasan/common.c:422
 __cache_free mm/slab.c:3420 [inline]
 kfree+0xe8/0x240 mm/slab.c:3758
 lbmLogShutdown fs/jfs/jfs_logmgr.c:1872 [inline]
 lmLogInit+0x94a/0x1400 fs/jfs/jfs_logmgr.c:1423
 open_inline_log fs/jfs/jfs_logmgr.c:1183 [inline]
 lmLogOpen+0x726/0x11f0 fs/jfs/jfs_logmgr.c:1077
 jfs_mount_rw+0x286/0x4b0 fs/jfs/jfs_mount.c:259
 jfs_fill_super+0x860/0xbc0 fs/jfs/super.c:571
 mount_bdev+0x32e/0x3f0 fs/super.c:1419
 legacy_get_tree+0x105/0x220 fs/fs_context.c:592
 vfs_get_tree+0x89/0x2f0 fs/super.c:1549
 do_new_mount fs/namespace.c:2875 [inline]
 path_mount+0x13ad/0x20c0 fs/namespace.c:3205
 do_mount fs/namespace.c:3218 [inline]
 __do_sys_mount fs/namespace.c:3426 [inline]
 __se_sys_mount fs/namespace.c:3403 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3403
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

The buggy address belongs to the object at ffff88801e4bfe00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 104 bytes inside of
 192-byte region [ffff88801e4bfe00, ffff88801e4bfec0)
The buggy address belongs to the page:
page:00000000be8a16ac refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88801e4bf800 pfn:0x1e4bf
flags: 0xfff00000000200(slab)
raw: 00fff00000000200 ffffea00006f87c8 ffffea00004d0d48 ffff888010040000
raw: ffff88801e4bf800 ffff88801e4bf000 000000010000000f 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88801e4bfd00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801e4bfd80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88801e4bfe00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                          ^
 ffff88801e4bfe80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88801e4bff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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