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| author | 이형주/Common Platform Lab(SR)/Staff Engineer/삼성전자 <leee.lee@samsung.com> | 2020-06-30 06:43:30 +0900 |
|---|---|---|
| committer | GitHub Enterprise <noreply-CODE@samsung.com> | 2020-06-30 06:43:30 +0900 |
| commit | c4a72f57bee753daf09ffbc2a2dfe65ed1582919 (patch) | |
| tree | b2105db8560f10b564d6d0548ea5fa588110753b | |
| parent | 4561cc8ec108b1bfb7d6cebc891ee8c1f96e0a35 (diff) | |
| download | coreclr-c4a72f57bee753daf09ffbc2a2dfe65ed1582919.tar.gz coreclr-c4a72f57bee753daf09ffbc2a2dfe65ed1582919.tar.bz2 coreclr-c4a72f57bee753daf09ffbc2a2dfe65ed1582919.zip | |
[Tizen] Fix crash on accessing 0x0 while unwinding (#287)
Change-Id: I663d0fcdcd6fd8fb4c521d9bdbb4d234c96022ae
| -rw-r--r-- | src/pal/src/libunwind/src/x86/Gos-linux.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/pal/src/libunwind/src/x86/Gos-linux.c b/src/pal/src/libunwind/src/x86/Gos-linux.c index fb9a5e3461..4720370057 100644 --- a/src/pal/src/libunwind/src/x86/Gos-linux.c +++ b/src/pal/src/libunwind/src/x86/Gos-linux.c @@ -59,7 +59,9 @@ unw_is_signal_frame (unw_cursor_t *cursor) if SA_SIGINFO is specified. */ ip = c->dwarf.ip; - if ((*a->access_mem) (as, ip, &w0, 0, arg) < 0 + + if (!ip + || (*a->access_mem) (as, ip, &w0, 0, arg) < 0 || (*a->access_mem) (as, ip + 4, &w1, 0, arg) < 0) ret = 0; else |