Messages in this thread | | | Subject | Re: __ubsan_handle_type_mismatch converted to __ubsan_handle_type_mismatch_v1 | From | Andrey Ryabinin <> | Date | Fri, 6 Oct 2017 11:45:29 +0300 |
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On 10/06/2017 05:29 AM, Sodagudi Prasad wrote: > Hi All, > > Based on below links __ubsan_handle_type_mismatch has been renamed to __ubsan_handle_type_mismatch_v1. > > https://github.com/llvm-mirror/compiler-rt/commit/56faee71af1888ba12ab076b3d1f9bbe223493df#diff-21369cc6f3917b27df3ced8de89cf134 > https://www.mail-archive.com/gcc-bugs@gcc.gnu.org/msg535130.html > > > When I tried to compile the kernel with LLVM seen following errors. > arch/arm64/kernel/traps.o: In function `dump_backtrace': > kernel/arch/arm64/kernel/traps.c:192: undefined reference to `__ubsan_handle_type_mismatch_v1' > kernel/arch/arm64/kernel/traps.c:192: undefined reference to `__ubsan_handle_type_mismatch_v1' > kernel/arch/arm64/kernel/traps.c:192: undefined reference to `__ubsan_handle_type_mismatch_v1' > kernel/arch/arm64/kernel/traps.c:192: undefined reference to `__ubsan_handle_type_mismatch_v1' > arch/arm64/kernel/traps.o: In function `dump_mem': > > > Can I add __ubsan_handle_type_mismatch_v1 API similar to __ubsan_handle_type_mismatch()(I will send path for review)? > If both apis are present, then there will be backward compatibility. Let me know if you have any other suggestions for this issue.
Sounds good, send the patch please.
> > -Thanks, Prasad >
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