On Mon, Jul 02, 2018 at 02:08:45PM -0700, Bart Van Assche wrote:
> BUG: KASAN: use-after-free in srpt_set_enabled+0x1a9/0x1e0 [ib_srpt]
> Read of size 4 at addr ffff8801269d23f8 by task check/29726
>
> CPU: 4 PID: 29726 Comm: check Not tainted 4.18.0-rc2-dbg+ #4
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.0.0-prebuilt.qemu-project.org 04/01/2014
> Call Trace:
> dump_stack+0xa4/0xf5
> print_address_description+0x6f/0x270
> kasan_report+0x241/0x360
> __asan_load4+0x78/0x80
> srpt_set_enabled+0x1a9/0x1e0 [ib_srpt]
> srpt_tpg_enable_store+0xb8/0x120 [ib_srpt]
> configfs_write_file+0x14e/0x1d0 [configfs]
> __vfs_write+0xd2/0x3b0
> vfs_write+0x101/0x270
> ksys_write+0xab/0x120
> __x64_sys_write+0x43/0x50
> do_syscall_64+0x77/0x230
> entry_SYSCALL_64_after_hwframe+0x49/0xbe
> RIP: 0033:0x7f235cfe6154
>
> Fixes: aaf45bd83eba ("IB/srpt: Detect session shutdown reliably")
> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> ---
> drivers/infiniband/ulp/srpt/ib_srpt.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Applied to for-next
Thanks,
Jason
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