cifs: Fix use-after-free in SMB2_write

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There is a KASAN use-after-free:
BUG: KASAN: use-after-free in SMB2_write+0x1342/0x1580
Read of size 8 at addr ffff8880b6a8e450 by task ln/4196

Should not release the 'req' because it will use in the trace.

Fixes: eccb4422cf ("smb3: Add ftrace tracepoints for improved SMB3 debugging")

Signed-off-by: ZhangXiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org> 4.18+
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>

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ZhangXiaoxu 2019-04-06 15:47:38 +08:00 • committed by Steve French

parent 618d919cae

commit 6a3eb33606

1 changed files with 1 additions and 1 deletions

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fs/cifs/smb2pdu.c

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