On Tue, 7 Dec 2021 20:16:36 +0000, Pavel Begunkov wrote:
> BUG: KASAN: use-after-free in io_submit_one+0x496/0x2fe0 fs/aio.c:1882
> CPU: 2 PID: 15100 Comm: syz-executor873 Not tainted 5.16.0-rc1-syzk #1
> Hardware name: Red Hat KVM, BIOS 1.13.0-2.module+el8.3.0+7860+a7792d29
> 04/01/2014
> Call Trace:
> [...]
> refcount_dec_and_test include/linux/refcount.h:333 [inline]
> iocb_put fs/aio.c:1161 [inline]
> io_submit_one+0x496/0x2fe0 fs/aio.c:1882
> __do_sys_io_submit fs/aio.c:1938 [inline]
> __se_sys_io_submit fs/aio.c:1908 [inline]
> __x64_sys_io_submit+0x1c7/0x4a0 fs/aio.c:1908
> do_syscall_x64 arch/x86/entry/common.c:50 [inline]
> do_syscall_64+0x3a/0x80 arch/x86/entry/common.c:80
> entry_SYSCALL_64_after_hwframe+0x44/0xae
>
> [...]
Applied, thanks!
[1/1] block: fix single bio async DIO error handling
commit: 75feae73a28020e492fbad2323245455ef69d687
Best regards,
--
Jens Axboe
