[ovs-discuss] ASAN RCU use-after-free

2021-01-05 Thread Eli Britstein
Hello, I am trying to use Address Sanitizer to detect issues. With a simple code of use-after-free it works, but with postponed free, there is no detection of the problem. Compilation is done with: make -j CFLAGS="-O0 -g3 -Werror -fsanitize=address -fno-omit-frame-pointer -fno-common" Simple co

Re: [ovs-discuss] ASAN RCU use-after-free

2021-01-05 Thread Ben Pfaff
On Tue, Jan 05, 2021 at 05:05:37PM +0200, Eli Britstein wrote: > I am trying to use Address Sanitizer to detect issues. > With a simple code of use-after-free it works, but with postponed free, > there > is no detection of the problem. [...] > This way it is up to a race between the RCU thread an