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unknown user pushed a change to branch azanella/ubsan-undef in repository glibc.

at bf09a9dee2 gmon: Fix UB in sprofil

This branch includes the following new commits:

new f4f4cc128e ubsan: Add initial support for -fsanitize=undefined new 38f4b225fd elf: Enable ubsan on arm new cce5affebb argp: Fix shift bug new b7c89e97c1 elf: Adjust DT_EXTRATAGIDX to avoid undefined shifts new a6d7220313 locate: Fix UB on memcpy call new 0271ed4e90 localte: Fix UB on collate_finish new 29e9b1c6fd locale: Fix UB on insert_weights new 6fbc33f579 locale: Fix UB on add_locale_uint32_array new b226cbf8c3 locale: Fix UB in elem_hash new 9cee9713b3 elf: Fix UB on _dl_early_allocate new c0bcd07ad0 x86_64: Fix UB on plt rewrite new 655252c110 x86: Fix UB in x86_cpu_present/x86_cpu_active new 7274dd7238 stdio: Fix UB on snprintf new ff6e287b29 malloc: Fix UB in malloc-debug new 77e93830af aarch64: Fix UB in ifunc resolvers new cabf74767f math: Fix UB in expm1 new 1bc3e76ae9 math: Remove UB and optimize double ilogb new 7623d25474 math: Optimize double ilogb/llogb new e7d18838fe math: Remove UB and optimize double ilogbf new 6eadae9610 math: Optimize float ilogb/llogb new 20569400be math: Remove UB from float18 ilogbf new eba05de5f4 math: Fix UB in setayload new 8bfb8e2b40 math: Fix UB in setayloadf new 25f856174f math: Fix UB on atanhf new a12a3d628f math: Fix UB on coshf new 746eff3262 math: Fix UB on logf new f7f66ef4af math: Fix UB on sinhf new 8d5baf6588 math: Fix UB on cbrtf new dd5008a5bb math: Fix UB on cospif new 7d4b9cc101 math: Fix UB on erfcf new 4cbda6298b math: Fix UB on sinpif new 644bffecab elf: Fix UB on _dl_map_object_from_fd new d3a30f9d73 iconv: Fix UB on find_derivation new 665b9146b0 iconv: Fix UB on iconv/tst-translit-mchar new 49431f6544 libio: Fix UB __libio_codecvt_length new 556b221f3d locale: Fix UB on VLA allocation new 7292ea17db nss: Fix UB on fls new 04eb7724bd stdio: Remove UB on printf_fp new 6952c247eb stdlib: Fix __libc_message_impl iovec size new 4ec1e1221d stdlib: Fix UB on erand48/jrand48 new 8382a2d57e stdlib: Fix UB on strtod new f211921a11 string: Fix UB on gneric stpcpy new b4ec438bee string: Fix UB on generic strcmp new 4e4f39ddb0 string: Fix UB on index_first/index_last new c85861dc19 string: Fix UB on gneric strncmp new 603a397228 sunrpc: Fix UB on xdr_hyper new ce81cf7364 math: Fix UB in test-canonical-ldbl-96.c new 1c400929c6 math: Fix UB in float128 atan2 new 2fbb927115 math: Rewrite ldbl-128 isnan new 0f0642ceb0 stdlib: Fix UB on strtod FIX new c46974dd94 stdlib: Adapt tst-environ to ubsan new 4de367c9f1 stdlib: Fix UB in tst-limits.c new 5b096e4406 string: Fix UB on tesf-ffs new 4b58f3729f linux: Fix UB on tst-sched-setattr.c new 26dc99b8cc stdlib: Fix tst-makecontext3 UB new 4f26682a5d nss: Fix UB on test-netdb new 3dc21de9ac nss: Fix tst-nss-hash UB new 2ad51967f2 stdio-common: Fix UB on stdio-common/vfprintf-process-arg.c new e4a3a24f5f stdio: Fix test-printf-chk-ldbl-compat build with ubsan new 63f582a678 stdio: Fix test-printf-ldbl-compat.c build with ubsan new 41b8bf1625 powerpc: Fix powerpc64 build for ubsan new bbe1bfce29 nptl: xfail tst-cleanup2 when building with ubsan new fe0a96f37e sysvipc: Fix UB on time64 time support new f31f2f678b string: Fix UB on test-strrchr new a2d4e0ef0f string: Remove UB on ffs/ffsll new 6f95e6b7fb gmon: Fix UB in tst-sprofil.c new bf09a9dee2 gmon: Fix UB in sprofil

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