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BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:176 [inline]
BUG: KASAN: use-after-free in __refcount_sub_and_test include/linux/refcount.h:272 [inline]
BUG: KASAN: use-after-free in __refcount_dec_and_test include/linux/refcount.h:315 [inline]
BUG: KASAN: use-after-free in refcount_dec_and_test include/linux/refcount.h:333 [inline]
BUG: KASAN: use-after-free in iocb_put fs/aio.c:1188 [inline]
BUG: KASAN: use-after-free in io_submit_one+0x6fb/0x1b80 fs/aio.c:1909
Write of size 4 at addr ffff88807f2c9488 by task syz-executor.2/18037

CPU: 0 PID: 18037 Comm: syz-executor.2 Not tainted 5.16.0-rc4-next-20211207-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xa5/0x3ed mm/kasan/report.c:255
 __kasan_report mm/kasan/report.c:442 [inline]
 kasan_report.cold+0x83/0xdf mm/kasan/report.c:459
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:176 [inline]
 __refcount_sub_and_test include/linux/refcount.h:272 [inline]
 __refcount_dec_and_test include/linux/refcount.h:315 [inline]
 refcount_dec_and_test include/linux/refcount.h:333 [inline]
 iocb_put fs/aio.c:1188 [inline]
 io_submit_one+0x6fb/0x1b80 fs/aio.c:1909
 __do_sys_io_submit fs/aio.c:1965 [inline]
 __se_sys_io_submit fs/aio.c:1935 [inline]
 __x64_sys_io_submit+0x18c/0x330 fs/aio.c:1935
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb58a6fcaf9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb589672188 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fb58a80ff60 RCX: 00007fb58a6fcaf9
RDX: 0000000020000800 RSI: 0000000000000002 RDI: 00007fb58a7f3000
RBP: 00007fb58a756ff7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffff6fdacbf R14: 00007fb589672300 R15: 0000000000022000
 </TASK>

Allocated by task 18037:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:436 [inline]
 __kasan_slab_alloc+0x90/0xc0 mm/kasan/common.c:469
 kasan_slab_alloc include/linux/kasan.h:260 [inline]
 slab_post_alloc_hook mm/slab.h:766 [inline]
 slab_alloc_node mm/slub.c:3231 [inline]
 slab_alloc mm/slub.c:3239 [inline]
 kmem_cache_alloc+0x202/0x3a0 mm/slub.c:3244
 aio_get_req fs/aio.c:1055 [inline]
 io_submit_one+0xfd/0x1b80 fs/aio.c:1902
 __do_sys_io_submit fs/aio.c:1965 [inline]
 __se_sys_io_submit fs/aio.c:1935 [inline]
 __x64_sys_io_submit+0x18c/0x330 fs/aio.c:1935
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Freed by task 18037:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328
 kasan_slab_free include/linux/kasan.h:236 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1754
 slab_free mm/slub.c:3510 [inline]
 kmem_cache_free+0xdd/0x580 mm/slub.c:3527
 iocb_destroy fs/aio.c:1107 [inline]
 iocb_put fs/aio.c:1190 [inline]
 iocb_put fs/aio.c:1186 [inline]
 aio_complete_rw+0x474/0x8c0 fs/aio.c:1467
 aio_rw_done fs/aio.c:1537 [inline]
 aio_read+0x30d/0x460 fs/aio.c:1564
 __io_submit_one fs/aio.c:1857 [inline]
 io_submit_one+0xe2b/0x1b80 fs/aio.c:1906
 __do_sys_io_submit fs/aio.c:1965 [inline]
 __se_sys_io_submit fs/aio.c:1935 [inline]
 __x64_sys_io_submit+0x18c/0x330 fs/aio.c:1935
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

The buggy address belongs to the object at ffff88807f2c93c0
 which belongs to the cache aio_kiocb of size 216
The buggy address is located 200 bytes inside of
 216-byte region [ffff88807f2c93c0, ffff88807f2c9498)
The buggy address belongs to the page:
page:ffffea0001fcb240 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807f2c9280 pfn:0x7f2c9
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888017868c80
raw: ffff88807f2c9280 00000000800c0009 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 13010, ts 379465647595, free_ts 379462004617
 prep_new_page mm/page_alloc.c:2433 [inline]
 get_page_from_freelist+0xa72/0x2f40 mm/page_alloc.c:4164
 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5376
 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2271
 alloc_slab_page mm/slub.c:1799 [inline]
 allocate_slab mm/slub.c:1944 [inline]
 new_slab+0x28d/0x3a0 mm/slub.c:2004
 ___slab_alloc+0x6be/0xd60 mm/slub.c:3019
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3106
 slab_alloc_node mm/slub.c:3197 [inline]
 slab_alloc mm/slub.c:3239 [inline]
 kmem_cache_alloc+0x35c/0x3a0 mm/slub.c:3244
 aio_get_req fs/aio.c:1055 [inline]
 io_submit_one+0xfd/0x1b80 fs/aio.c:1902
 __do_sys_io_submit fs/aio.c:1965 [inline]
 __se_sys_io_submit fs/aio.c:1935 [inline]
 __x64_sys_io_submit+0x18c/0x330 fs/aio.c:1935
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1351 [inline]
 free_pcp_prepare+0x414/0xb60 mm/page_alloc.c:1403
 free_unref_page_prepare mm/page_alloc.c:3324 [inline]
 free_unref_page_list+0x1a9/0xfa0 mm/page_alloc.c:3440
 release_pages+0x818/0x18e0 mm/swap.c:980
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:242 [inline]
 tlb_flush_mmu mm/mmu_gather.c:249 [inline]
 tlb_finish_mmu+0x165/0x8c0 mm/mmu_gather.c:340
 exit_mmap+0x21b/0x670 mm/mmap.c:3180
 __mmput+0x122/0x4b0 kernel/fork.c:1115
 mmput+0x56/0x60 kernel/fork.c:1136
 free_bprm+0x65/0x2e0 fs/exec.c:1483
 kernel_execve+0x380/0x460 fs/exec.c:1980
 call_usermodehelper_exec_async+0x2e3/0x580 kernel/umh.c:112
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Memory state around the buggy address:
 ffff88807f2c9380: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
 ffff88807f2c9400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807f2c9480: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc
                      ^
 ffff88807f2c9500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88807f2c9580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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