+address-sanitizer Thanks for the report! I guess it is the same for asan as well. I think we need to promote usage of relative paths (absolute paths are not portable between machines), and then match then as suffix of compiled source files.
On Wed, Aug 12, 2015 at 1:24 PM, Ilya Mirsky <ilya.mir...@gmail.com> wrote: > Hi, > > I discovered a weird behaviour with a blacklist file- it doesn't work if the > the blacklisted path is absolute and the build string uses relative paths, > or vice versa. Is it a bug, a feature, or am I missing something here? The > following 4 scenarios demonstrate this behaviour. > > Clang version: 3.7 > OS: Ubuntu 12.04, Linux kernel 3.5.0-36 > > Thanks, > Ilya > > 1. Relative blacklisting and relative build paths: blacklisting works > > mirski@mirski-u12:~/src$ cat demos/tsan/blacklist.tsan > src:demos/tsan/* > > mirski@mirski-u12:~/src$ clang -g -fsanitize=thread > -fsanitize-blacklist=demos/tsan/blacklist.tsan demos/tsan/race.c > mirski@mirski-u12:~/src$ TSAN_OPTIONS= ./a.out > Global=42 > mirski@mirski-u12:~/src$ > > 2. Relative blacklisting and absolute build paths: blacklisting doesn't work > > mirski@mirski-u12:~/src$ cat demos/tsan/blacklist.tsan > src:demos/tsan/* > > mirski@mirski-u12:~/src$ clang -g -fsanitize=thread > -fsanitize-blacklist=demos/tsan/blacklist.tsan > /home/mirski/src/demos/tsan/race.c > mirski@mirski-u12:~/src$ TSAN_OPTIONS= ./a.out > ================== > WARNING: ThreadSanitizer: data race (pid=31138) > Read of size 4 at 0x0000014ad4e0 by main thread: > #0 main /home/mirski/src/demos/tsan/race.c:22:27 (a.out+0x0000004a2eb8) > > Previous write of size 4 at 0x0000014ad4e0 by thread T1: > #0 Thread1 /home/mirski/src/demos/tsan/race.c:8:12 > (a.out+0x0000004a2e11) > > Location is global 'Global' of size 4 at 0x0000014ad4e0 > (a.out+0x0000014ad4e0) > > Thread T1 (tid=31140, running) created by main thread at: > #0 pthread_create > /export/local1/mirski/llvm/release_37/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:849 > (a.out+0x000000448c83) > #1 main /home/mirski/src/demos/tsan/race.c:16:5 (a.out+0x0000004a2e78) > > SUMMARY: ThreadSanitizer: data race /home/mirski/src/demos/tsan/race.c:22:27 > in main > ================== > Global=42 > ThreadSanitizer: reported 1 warnings > > 3. Absolute blacklisting and absolute build paths: blacklisting works > > mirski@mirski-u12:~/src$ cat /home/mirski/src/demos/tsan/blacklist.tsan > src:/home/mirski/src/demos/tsan/* > > mirski@mirski-u12:~/src$ clang -g -fsanitize=thread > -fsanitize-blacklist=demos/tsan/blacklist.tsan > /home/mirski/src/demos/tsan/race.c > mirski@mirski-u12:~/src$ TSAN_OPTIONS= ./a.out > Global=42 > > 4. Absolute blacklisting and relative build paths: blacklisting doesn't work > > mirski@mirski-u12:~/src$ cat /home/mirski/src/demos/tsan/blacklist.tsan > src:/home/mirski/src/demos/tsan/* > > mirski@mirski-u12:~/src$ clang -g -fsanitize=thread > -fsanitize-blacklist=demos/tsan/blacklist.tsan demos/tsan/race.c > mirski@mirski-u12:~/src$ TSAN_OPTIONS= ./a.out > ================== > WARNING: ThreadSanitizer: data race (pid=32632) > Read of size 4 at 0x0000014ad4e0 by main thread: > #0 main /home/mirski/src/demos/tsan/race.c:22:27 (a.out+0x0000004a2eb8) > > Previous write of size 4 at 0x0000014ad4e0 by thread T1: > #0 Thread1 /home/mirski/src/demos/tsan/race.c:8:12 > (a.out+0x0000004a2e11) > > Location is global 'Global' of size 4 at 0x0000014ad4e0 > (a.out+0x0000014ad4e0) > > Thread T1 (tid=32634, running) created by main thread at: > #0 pthread_create > /export/local1/mirski/llvm/release_37/projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:849 > (a.out+0x000000448c83) > #1 main /home/mirski/src/demos/tsan/race.c:16:5 (a.out+0x0000004a2e78) > > SUMMARY: ThreadSanitizer: data race /home/mirski/src/demos/tsan/race.c:22:27 > in main > ================== > Global=42 > ThreadSanitizer: reported 1 warnings > > -- > You received this message because you are subscribed to the Google Groups > "thread-sanitizer" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to thread-sanitizer+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "address-sanitizer" group. To unsubscribe from this group and stop receiving emails from it, send an email to address-sanitizer+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
