Hi Dan, Thanks a lot. Unfortunately I cannot shared the reproducer as it is because there is a lot of proprietary code involved. I'll try to reduce it as much as I can to see if I can get something sharable. In mean while, I'd up to run tests if you need any kind of data. Thanks, Rodrigo
On Thursday, October 1, 2020 at 8:54:54 PM UTC+2 Dan Liew wrote: > Hi Rodrigo, > > It looks like you might be hitting an issue that we are currently tracking > internally inside Apple. > > We have a hypothesis on the cause problem but we currently don't have a > reproducer. Can you share a reproducer with us? Having a reproducer would > allow us to confirm our hypothesis and come up with a fix. > > Until a fix is landed your only options to workaround this are one of the > following: > > * Test your app in the iOS simulator > * Load fewer shared libraries at process start up time > * Use an iOS device with a large amount of RAM > > Thanks, > Dan. > > On 1 Oct 2020, at 07:16, Rodrigo Mantini <[email protected]> wrote: > > Hello, I'm trying to use ASAN on an IOS app but I get the mentioned error. > I would like to know if there is anything at all that I can do to make it > work. > I know that app links to a lot of shared libraries and I think that might > be issue, but if that is the case I don't know how can I debug it to see if > there is specific library that is using the memory space required by ASAN. > > Here is the output with verbosity=3: > ==43926==AddressSanitizer: libc interceptors initialized > > ==43926==FindDynamicShadowStart, space_size = 0x00005b003fff > > ==43926==Shadow doesn't fit, largest_gap_found = 0x000057fe0000, > max_occupied_addr = 0x000280000000 > > ==43926==FindDynamicShadowStart, space_size = 0x000057fe3fff > > ==43926==Unable to find a memory range after restricting VM. > > ==43926==AddressSanitizer CHECK failed: > /AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/clang_compiler_rt/clang-1200.0.32.2/compiler-rt/lib/asan/asan_mac.cpp:92 > > "((0 && "cannot place shadow after restricting vm")) != (0)" (0x0, 0x0) > > Thank you, > Rodrigo > > -- > 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/address-sanitizer/e2b05c00-c47e-46b1-af75-ebe6328d836fn%40googlegroups.com > > <https://groups.google.com/d/msgid/address-sanitizer/e2b05c00-c47e-46b1-af75-ebe6328d836fn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/address-sanitizer/453bc7ba-89f2-442e-9007-f2973d0bb7ffn%40googlegroups.com.
