diff options
Diffstat (limited to 'poky/meta/recipes-devtools/elfutils/files')
-rw-r--r-- | poky/meta/recipes-devtools/elfutils/files/glibc-2.34-fix.patch | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/elfutils/files/glibc-2.34-fix.patch b/poky/meta/recipes-devtools/elfutils/files/glibc-2.34-fix.patch new file mode 100644 index 000000000..9509fb4e7 --- /dev/null +++ b/poky/meta/recipes-devtools/elfutils/files/glibc-2.34-fix.patch @@ -0,0 +1,138 @@ +glibc 2.34 calls pthread_kill from the raise function. Before raise +directly called the (tg)kill syscall. So allow pthread_kill to be the +first frame in a backtrace where raise is expected. Also change some +asserts to fprintf plus abort to make it more clear why the testcase +fails. + +https://sourceware.org/bugzilla/show_bug.cgi?id=28190 + +Signed-off-by: Mark Wielaard <mark@klomp.org> +Upstream-Status: Submitted [https://sourceware.org/pipermail/elfutils-devel/2021q3/004019.html] +--- + tests/ChangeLog | 6 +++++ + tests/backtrace.c | 62 +++++++++++++++++++++++++++++++++++++++++------ + 2 files changed, 61 insertions(+), 7 deletions(-) + +Index: elfutils-0.185/tests/ChangeLog +=================================================================== +--- elfutils-0.185.orig/tests/ChangeLog ++++ elfutils-0.185/tests/ChangeLog +@@ -1,3 +1,9 @@ ++2021-08-04 Mark Wielaard <mark@klomp.org> ++ ++ PR28190 ++ * backtrace.c (callback_verify): Check for pthread_kill as first ++ frame. Change asserts to fprintf plus abort. ++ + 2021-05-14 Frank Ch. Eigler <fche@redhat.com> + + PR27859 +Index: elfutils-0.185/tests/backtrace.c +=================================================================== +--- elfutils-0.185.orig/tests/backtrace.c ++++ elfutils-0.185/tests/backtrace.c +@@ -97,6 +97,9 @@ callback_verify (pid_t tid, unsigned fra + static bool reduce_frameno = false; + if (reduce_frameno) + frameno--; ++ static bool pthread_kill_seen = false; ++ if (pthread_kill_seen) ++ frameno--; + if (! use_raise_jmp_patching && frameno >= 2) + frameno += 2; + const char *symname2 = NULL; +@@ -107,11 +110,26 @@ callback_verify (pid_t tid, unsigned fra + && (strcmp (symname, "__kernel_vsyscall") == 0 + || strcmp (symname, "__libc_do_syscall") == 0)) + reduce_frameno = true; ++ else if (! pthread_kill_seen && symname ++ && strstr (symname, "pthread_kill") != NULL) ++ pthread_kill_seen = true; + else +- assert (symname && strcmp (symname, "raise") == 0); ++ { ++ if (!symname || strcmp (symname, "raise") != 0) ++ { ++ fprintf (stderr, ++ "case 0: expected symname 'raise' got '%s'\n", symname); ++ abort (); ++ } ++ } + break; + case 1: +- assert (symname != NULL && strcmp (symname, "sigusr2") == 0); ++ if (symname == NULL || strcmp (symname, "sigusr2") != 0) ++ { ++ fprintf (stderr, ++ "case 1: expected symname 'sigusr2' got '%s'\n", symname); ++ abort (); ++ } + break; + case 2: // x86_64 only + /* __restore_rt - glibc maybe does not have to have this symbol. */ +@@ -120,11 +138,21 @@ callback_verify (pid_t tid, unsigned fra + if (use_raise_jmp_patching) + { + /* Verify we trapped on the very first instruction of jmp. */ +- assert (symname != NULL && strcmp (symname, "jmp") == 0); ++ if (symname == NULL || strcmp (symname, "jmp") != 0) ++ { ++ fprintf (stderr, ++ "case 3: expected symname 'raise' got '%s'\n", symname); ++ abort (); ++ } + mod = dwfl_addrmodule (dwfl, pc - 1); + if (mod) + symname2 = dwfl_module_addrname (mod, pc - 1); +- assert (symname2 == NULL || strcmp (symname2, "jmp") != 0); ++ if (symname2 == NULL || strcmp (symname2, "jmp") != 0) ++ { ++ fprintf (stderr, ++ "case 3: expected symname2 'jmp' got '%s'\n", symname2); ++ abort (); ++ } + break; + } + FALLTHROUGH; +@@ -137,11 +165,22 @@ callback_verify (pid_t tid, unsigned fra + duplicate_sigusr2 = true; + break; + } +- assert (symname != NULL && strcmp (symname, "stdarg") == 0); ++ if (symname == NULL || strcmp (symname, "stdarg") != 0) ++ { ++ fprintf (stderr, ++ "case 4: expected symname 'stdarg' got '%s'\n", symname); ++ abort (); ++ } + break; + case 5: + /* Verify we trapped on the very last instruction of child. */ +- assert (symname != NULL && strcmp (symname, "backtracegen") == 0); ++ if (symname == NULL || strcmp (symname, "backtracegen") != 0) ++ { ++ fprintf (stderr, ++ "case 5: expected symname 'backtracegen' got '%s'\n", ++ symname); ++ abort (); ++ } + mod = dwfl_addrmodule (dwfl, pc); + if (mod) + symname2 = dwfl_module_addrname (mod, pc); +@@ -151,7 +190,15 @@ callback_verify (pid_t tid, unsigned fra + // instructions or even inserts some padding instructions at the end + // (which apparently happens on ppc64). + if (use_raise_jmp_patching) +- assert (symname2 == NULL || strcmp (symname2, "backtracegen") != 0); ++ { ++ if (symname2 != NULL && strcmp (symname2, "backtracegen") == 0) ++ { ++ fprintf (stderr, ++ "use_raise_jmp_patching didn't expect symname2 " ++ "'backtracegen'\n"); ++ abort (); ++ } ++ } + break; + } + } |