EXT4-fs (loop3): couldn't mount as ext3 due to feature incompatibilities
loop6: detected capacity change from 0 to 33
EXT4-fs (loop6): couldn't mount as ext3 due to feature incompatibilities
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x42c9/0x5e70
Read of size 8 at addr ffff88801b05e018 by task syz-executor/10554

CPU: 1 PID: 10554 Comm: syz-executor Not tainted 6.0.0-next-20221014 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 print_report+0x172/0x475
 kasan_report+0xbb/0x1c0
 __lock_acquire+0x42c9/0x5e70
 lock_acquire+0x1a2/0x530
 _raw_spin_lock_irq+0x32/0x50
 kmemleak_scan+0x21d/0x16d0
 kmemleak_write+0x570/0x680
 full_proxy_write+0x11d/0x190
 vfs_write+0x2cb/0xd90
 ksys_write+0x127/0x250
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f406dcc05c3
Code: 16 00 00 00 eb ae 90 b8 6e 00 00 00 eb a6 e8 44 ef 04 00 0f 1f 40 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18
RSP: 002b:00007ffe98779ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffe9877a638 RCX: 00007f406dcc05c3
RDX: 0000000000000004 RSI: 00007f406dd76ed9 RDI: 0000000000000003
RBP: 0000000000000003 R08: 000000000000087a R09: 00007ffe98797080
R10: 00007ffe98797090 R11: 0000000000000246 R12: 00007f406dcc2b10
R13: 00007ffe9877bedb R14: 0000000000000000 R15: 0000000000211e8c
 </TASK>

Allocated by task 10552:
 kasan_save_stack+0x1e/0x40
 kasan_set_track+0x21/0x30
 __kasan_slab_alloc+0x58/0x70
 kmem_cache_alloc+0x1a9/0x3e0
 __create_object+0x3d/0xc10
 __kmem_cache_alloc_node+0x22f/0x3d0
 __kmalloc_node+0x3c/0xb0
 kvmalloc_node+0x41/0x200
 simple_xattr_alloc+0x43/0xa0
 simple_xattr_set+0x75/0x610
 shmem_xattr_handler_set+0x42/0xc0
 __vfs_setxattr+0x115/0x180
 __vfs_setxattr_noperm+0x125/0x600
 __vfs_setxattr_locked+0x1d3/0x260
 vfs_setxattr+0x13f/0x330
 setxattr+0x14d/0x170
 path_setxattr+0x19b/0x1d0
 __x64_sys_setxattr+0xc0/0x160
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 19:
 kasan_save_stack+0x1e/0x40
 kasan_set_track+0x21/0x30
 kasan_save_free_info+0x2a/0x50
 __kasan_slab_free+0x106/0x190
 kmem_cache_free+0xf7/0x610
 rcu_core+0x7e2/0x2080
 __do_softirq+0x1c3/0x8f5

Last potentially related work creation:
 kasan_save_stack+0x1e/0x40
 __kasan_record_aux_stack+0x95/0xb0
 call_rcu+0x6a/0xa30
 __kmem_cache_free+0x91/0x400
 kvfree+0x42/0x50
 simple_xattr_set+0x3f8/0x610
 shmem_xattr_handler_set+0x42/0xc0
 __vfs_setxattr+0x115/0x180
 __vfs_setxattr_noperm+0x125/0x600
 __vfs_setxattr_locked+0x1d3/0x260
 vfs_setxattr+0x13f/0x330
 setxattr+0x14d/0x170
 path_setxattr+0x19b/0x1d0
 __x64_sys_setxattr+0xc0/0x160
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x1e/0x40
 __kasan_record_aux_stack+0x95/0xb0
 call_rcu+0x6a/0xa30
 kmem_cache_free+0xbd/0x610
 mas_destroy+0x2cd/0x560
 mas_store_prealloc+0xf0/0x160
 do_mas_align_munmap.constprop.0+0x843/0x1000
 do_mas_munmap+0x1e8/0x2b0
 mmap_region+0x21c/0x1a00
 do_mmap+0x828/0xf40
 vm_mmap_pgoff+0x1af/0x270
 ksys_mmap_pgoff+0x3d0/0x4f0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88801b05e000
 which belongs to the cache kmemleak_object of size 368
The buggy address is located 24 bytes inside of
 368-byte region [ffff88801b05e000, ffff88801b05e170)

The buggy address belongs to the physical page:
page:000000006c9817db refcount:1 mapcount:0 mapping:0000000000000000 index:0xffffea0000397c00 pfn:0x1b05e
head:000000006c9817db order:1 compound_mapcount:0 compound_pincount:0
flags: 0x100000000010200(slab|head|node=0|zone=1)
raw: 0100000000010200 ffff888007c4f780 dead000000120012 0000000000000000
raw: ffffea0000397c00 dead000000000004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88801b05df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88801b05df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88801b05e000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88801b05e080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801b05e100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
==================================================================