Re: BUG: KASAN: use-after-free in tcf_block_put_ext+0x5cf/0x5e0

2017-12-08 Thread Cong Wang
On Thu, Dec 7, 2017 at 8:59 PM, Jakub Kicinski wrote: > On Thu, 7 Dec 2017 20:51:27 -0800, Jakub Kicinski wrote: >> Running the netdevsim test after a week and a bit of not trying it: >> >> $ make -C tools/testing/selftests/bpf/ CLANG=clang LLC=llc >> # ./tools/testing/selftests/bpf/test_offload.p

Re: BUG: KASAN: use-after-free in tcf_block_put_ext+0x5cf/0x5e0

2017-12-07 Thread Jakub Kicinski
On Thu, 7 Dec 2017 20:51:27 -0800, Jakub Kicinski wrote: > Running the netdevsim test after a week and a bit of not trying it: > > $ make -C tools/testing/selftests/bpf/ CLANG=clang LLC=llc > # ./tools/testing/selftests/bpf/test_offload.py Ah, I didn't clarify - this is net-next at 66c5c5b56682 (

BUG: KASAN: use-after-free in tcf_block_put_ext+0x5cf/0x5e0

2017-12-07 Thread Jakub Kicinski
-free in tcf_block_put_ext+0x5cf/0x5e0 [ 284.190160] Read of size 8 at addr 8803152f4d08 by task tc/1652 [ 284.199033] CPU: 13 PID: 1652 Comm: tc Not tainted 4.15.0-rc2-debug-00310-g227cf4846533 #386 [ 284.199043] Hardware name: Dell Inc. PowerEdge R730/072T6D, BIOS 2.3.4 11/08/2016