https://github.com/python/cpython/commit/04cfecc06b4e652e2a981fea8f55dc48b87f460d commit: 04cfecc06b4e652e2a981fea8f55dc48b87f460d branch: 3.15 author: Miss Islington (bot) <[email protected]> committer: mhsmith <[email protected]> date: 2026-11-09T23:00:27Z summary:
[3.15] gh-158529: Prevent mimalloc calling system calls directly on Android (GH-158530) (#161709) (cherry picked from commit 78407daea0ff0c29e32d2cb03896957a51b294e2) Co-authored-by: Malcolm Smith <[email protected]> files: A Misc/NEWS.d/next/Core_and_Builtins/2026-09-30-21-29-54.gh-issue-158529.kZO7mX.rst M Objects/mimalloc/prim/unix/prim.c diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-09-30-21-29-54.gh-issue-158529.kZO7mX.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-09-30-21-29-54.gh-issue-158529.kZO7mX.rst new file mode 100644 index 000000000000000..712f26f6493877c --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-09-30-21-29-54.gh-issue-158529.kZO7mX.rst @@ -0,0 +1,2 @@ +Fixed crash on Android x86_64, API levels 27-28, caused by mimalloc calling +system calls directly. diff --git a/Objects/mimalloc/prim/unix/prim.c b/Objects/mimalloc/prim/unix/prim.c index bb619569a1bdb12..ebf89ac24a15544 100644 --- a/Objects/mimalloc/prim/unix/prim.c +++ b/Objects/mimalloc/prim/unix/prim.c @@ -78,10 +78,11 @@ terms of the MIT license. A copy of the license can be found in the file // Use syscalls for some primitives to allow for libraries that override open/read/close etc. // and do allocation themselves; using syscalls prevents recursion when mimalloc is // still initializing (issue #713) +// Not used on Android, see issue python/cpython/pull/158530 // Declare inline to avoid unused function warnings. //------------------------------------------------------------------------------------ -#if defined(MI_HAS_SYSCALL_H) && defined(SYS_open) && defined(SYS_close) && defined(SYS_read) && defined(SYS_access) +#if defined(MI_HAS_SYSCALL_H) && defined(SYS_open) && defined(SYS_close) && defined(SYS_read) && defined(SYS_access) && !defined(__ANDROID__) static inline int mi_prim_open(const char* fpath, int open_flags) { return syscall(SYS_open,fpath,open_flags,0); _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
