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BUG: KASAN: use-after-free in perf_trace_lock_acquire+0x3fe/0x530
Read of size 8 at addr ffff88803e7899b0 by task syz-executor/36706

CPU: 1 PID: 36706 Comm: syz-executor Not tainted 6.1.0-rc3-next-20221104 #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+0x175/0x478
 kasan_report+0xbb/0x1c0
 perf_trace_lock_acquire+0x3fe/0x530
 lock_acquire+0x413/0x530
 _raw_spin_lock_irq+0x32/0x50
 kmemleak_scan+0x1a0/0x1600
 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+0x72/0xdc
RIP: 0033:0x7f6965b5f5c3
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:00007ffc0eebdd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffc0eebe3d8 RCX: 00007f6965b5f5c3
RDX: 0000000000000004 RSI: 00007f6965c15ed9 RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000750 R09: 00007ffc0ef7c080
R10: 00007ffc0ef7c090 R11: 0000000000000246 R12: 00000000fffffff6
R13: 00007ffc0eebfef1 R14: 0000000000000000 R15: 00000000001c9284
 </TASK>

Allocated by task 36553:
 kasan_save_stack+0x1e/0x40
 kasan_set_track+0x21/0x30
 __kasan_slab_alloc+0x58/0x70
 kmem_cache_alloc+0x1a9/0x3e0
 __create_object+0x3d/0xc00
 __kmem_cache_alloc_node+0x22f/0x3d0
 __kmalloc_node_track_caller+0x3d/0xb0
 kmemdup+0x28/0x60
 shmem_symlink+0x180/0x690
 vfs_symlink+0x364/0x5b0
 do_symlinkat+0x12f/0x270
 __x64_sys_symlink+0x75/0x90
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

Freed by task 36579:
 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_common.constprop.0+0x6a/0xa40
 __kmem_cache_free+0x91/0x400
 shmem_free_in_core_inode+0x8b/0xa0
 i_callback+0x42/0x70
 rcu_core+0x7e2/0x2080
 __do_softirq+0x1c3/0x8f5

Second to last potentially related work creation:
 kasan_save_stack+0x1e/0x40
 __kasan_record_aux_stack+0x95/0xb0
 __call_rcu_common.constprop.0+0x6a/0xa40
 kmem_cache_free+0xbd/0x610
 ___pmd_free_tlb+0xa4/0x1f0
 free_pgd_range+0xa05/0x1330
 free_pgtables+0x2d2/0x420
 exit_mmap+0x1b4/0x680
 mmput+0xd1/0x390
 do_exit+0x993/0x2720
 do_group_exit+0xd0/0x2a0
 __x64_sys_exit_group+0x3a/0x50
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

The buggy address belongs to the object at ffff88803e789980
 which belongs to the cache kmemleak_object of size 240
The buggy address is located 48 bytes inside of
 240-byte region [ffff88803e789980, ffff88803e789a70)

The buggy address belongs to the physical page:
page:00000000f4ea3e60 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3e789
flags: 0x100000000000200(slab|node=0|zone=1)
raw: 0100000000000200 ffff88800804f780 ffffea0000249bc0 dead000000000002
raw: 0000000000000000 00000000000d000d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88803e789880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88803e789900: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88803e789980: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                     ^
 ffff88803e789a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
 ffff88803e789a80: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
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