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From: Paul F. <pa...@so...> - 2023-01-10 20:02:15
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=36b9fea113cf38dfce95fd57b69283465abc1e4b commit 36b9fea113cf38dfce95fd57b69283465abc1e4b Author: Paul Floyd <pj...@wa...> Date: Tue Jan 10 21:00:22 2023 +0100 Linux regtest: openat2 not available on older systems The x86-linux/scalar testcase fas failing to compile. So split out openat2 into a separate test with a condfigure test. Diff: --- .gitignore | 1 + configure.ac | 15 ++++++ memcheck/tests/x86-linux/Makefile.am | 9 +++- memcheck/tests/x86-linux/scalar.c | 4 -- memcheck/tests/x86-linux/scalar.stderr.exp | 63 ++++++---------------- memcheck/tests/x86-linux/scalar_openat2.c | 17 ++++++ memcheck/tests/x86-linux/scalar_openat2.stderr.exp | 29 ++++++++++ memcheck/tests/x86-linux/scalar_openat2.vgtest | 2 + 8 files changed, 89 insertions(+), 51 deletions(-) diff --git a/.gitignore b/.gitignore index 4277dd2a6f..66a221fb49 100644 --- a/.gitignore +++ b/.gitignore @@ -1287,6 +1287,7 @@ /memcheck/tests/x86-linux/Makefile.in /memcheck/tests/x86-linux/scalar /memcheck/tests/x86-linux/scalar_exit_group +/memcheck/tests/x86-linux/scalar_openat2 /memcheck/tests/x86-linux/scalar_fork /memcheck/tests/x86-linux/scalar_supp /memcheck/tests/x86-linux/scalar_vfork diff --git a/configure.ac b/configure.ac index 206f54d61f..47b2a5fe8f 100755 --- a/configure.ac +++ b/configure.ac @@ -5228,6 +5228,21 @@ fi AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC64], [test x$ac_have_builtin_atomic64 = xyes]) + +AC_MSG_CHECKING([if platform has openat2 syscall]) + +AC_LINK_IFELSE([AC_LANG_PROGRAM([[ + #include <sys/syscall.h> +]], [[ + return __NR_openat2 +]])], [ + ac_have_openat2=yes +], [ + ac_have_openat2=no +]) + +AM_CONDITIONAL([HAVE_OPENAT2], + [test x$ac_have_openat2 = xyes]) # does g++ have built-in functions for atomic memory access ? AC_MSG_CHECKING([if g++ supports __sync_add_and_fetch]) diff --git a/memcheck/tests/x86-linux/Makefile.am b/memcheck/tests/x86-linux/Makefile.am index 6f9b2d4da6..7e91aaf8b4 100644 --- a/memcheck/tests/x86-linux/Makefile.am +++ b/memcheck/tests/x86-linux/Makefile.am @@ -16,13 +16,17 @@ EXTRA_DIST = \ scalar_exit_group.vgtest \ scalar_supp.stderr.exp \ scalar_supp.vgtest scalar_supp.supp \ - scalar_vfork.stderr.exp scalar_vfork.vgtest + scalar_vfork.stderr.exp scalar_vfork.vgtest \ + scalar_openat2.vgtest scalar_openat2.stderr.exp check_PROGRAMS = \ bug133694 \ int3-x86 \ scalar scalar_exit_group scalar_fork scalar_supp scalar_vfork +if HAVE_OPENAT2 +check_PROGRAMS += scalar_openat2 +endif AM_CFLAGS += @FLAG_M32@ $(FLAG_MMMX) $(FLAG_MSSE) AM_CXXFLAGS += @FLAG_M32@ $(FLAG_MMMX) $(FLAG_MSSE) @@ -30,4 +34,7 @@ AM_CCASFLAGS += @FLAG_M32@ scalar_CFLAGS = $(AM_CFLAGS) @FLAG_W_NO_UNINITIALIZED@ scalar_exit_group_CFLAGS = $(AM_CFLAGS) @FLAG_W_NO_UNINITIALIZED@ +if HAVE_OPENAT2 +scalar_openat2_CFLAGS = $(AM_CFLAGS) @FLAG_W_NO_UNINITIALIZED@ +endif scalar_supp_CFLAGS = $(AM_CFLAGS) @FLAG_W_NO_UNINITIALIZED@ diff --git a/memcheck/tests/x86-linux/scalar.c b/memcheck/tests/x86-linux/scalar.c index 58b042ab77..54d0e0443a 100644 --- a/memcheck/tests/x86-linux/scalar.c +++ b/memcheck/tests/x86-linux/scalar.c @@ -1276,10 +1276,6 @@ int main(void) GO(__NR_epoll_create1, "1s 0m"); SY(__NR_epoll_create1, x0); SUCC_OR_FAIL; - // __NR_openat2 337 - GO(__NR_openat2, "4s 2m"); - SY(__NR_openat2, x0, x0+1, x0+1, x0); FAIL; - // __NR_process_vm_readv 347 GO(__NR_process_vm_readv, "6s 2m"); SY(__NR_process_vm_readv, x0, x0, x0+1, x0, x0+1, x0); FAIL; diff --git a/memcheck/tests/x86-linux/scalar.stderr.exp b/memcheck/tests/x86-linux/scalar.stderr.exp index b12ca0cf41..b9202a8c2f 100644 --- a/memcheck/tests/x86-linux/scalar.stderr.exp +++ b/memcheck/tests/x86-linux/scalar.stderr.exp @@ -4145,70 +4145,41 @@ Syscall param epoll_create1(flags) contains uninitialised byte(s) ... by 0x........: main (scalar.c:1277) ------------------------------------------------------ -437: __NR_openat2 4s 2m ------------------------------------------------------ -Syscall param openat2(dfd) contains uninitialised byte(s) - ... - by 0x........: main (scalar.c:1281) - -Syscall param openat2(filename) contains uninitialised byte(s) - ... - by 0x........: main (scalar.c:1281) - -Syscall param openat2(how) contains uninitialised byte(s) - ... - by 0x........: main (scalar.c:1281) - -Syscall param openat2(size) contains uninitialised byte(s) - ... - by 0x........: main (scalar.c:1281) - -Syscall param openat2(filename) points to unaddressable byte(s) - ... - by 0x........: main (scalar.c:1281) - Address 0x........ is not stack'd, malloc'd or (recently) free'd - -Syscall param openat2(how) points to unaddressable byte(s) - ... - by 0x........: main (scalar.c:1281) - Address 0x........ is not stack'd, malloc'd or (recently) free'd - ----------------------------------------------------- 347:__NR_process_vm_readv 6s 2m ----------------------------------------------------- Syscall param process_vm_readv(pid) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1285) + by 0x........: main (scalar.c:1281) Syscall param process_vm_readv(lvec) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1285) + by 0x........: main (scalar.c:1281) Syscall param process_vm_readv(liovcnt) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1285) + by 0x........: main (scalar.c:1281) Syscall param process_vm_readv(rvec) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1285) + by 0x........: main (scalar.c:1281) Syscall param process_vm_readv(riovcnt) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1285) + by 0x........: main (scalar.c:1281) Syscall param process_vm_readv(flags) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1285) + by 0x........: main (scalar.c:1281) Syscall param process_vm_readv(lvec) points to unaddressable byte(s) ... - by 0x........: main (scalar.c:1285) + by 0x........: main (scalar.c:1281) Address 0x........ is not stack'd, malloc'd or (recently) free'd Syscall param process_vm_readv(rvec) points to unaddressable byte(s) ... - by 0x........: main (scalar.c:1285) + by 0x........: main (scalar.c:1281) Address 0x........ is not stack'd, malloc'd or (recently) free'd ----------------------------------------------------- @@ -4216,36 +4187,36 @@ Syscall param process_vm_readv(rvec) points to unaddressable byte(s) ----------------------------------------------------- Syscall param process_vm_writev(pid) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1289) + by 0x........: main (scalar.c:1285) Syscall param process_vm_writev(lvec) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1289) + by 0x........: main (scalar.c:1285) Syscall param process_vm_writev(liovcnt) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1289) + by 0x........: main (scalar.c:1285) Syscall param process_vm_writev(rvec) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1289) + by 0x........: main (scalar.c:1285) Syscall param process_vm_writev(riovcnt) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1289) + by 0x........: main (scalar.c:1285) Syscall param process_vm_writev(flags) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1289) + by 0x........: main (scalar.c:1285) Syscall param process_vm_writev(lvec) points to unaddressable byte(s) ... - by 0x........: main (scalar.c:1289) + by 0x........: main (scalar.c:1285) Address 0x........ is not stack'd, malloc'd or (recently) free'd Syscall param process_vm_writev(rvec) points to unaddressable byte(s) ... - by 0x........: main (scalar.c:1289) + by 0x........: main (scalar.c:1285) Address 0x........ is not stack'd, malloc'd or (recently) free'd ----------------------------------------------------- @@ -4261,5 +4232,5 @@ it at http://valgrind.org/support/bug_reports.html. ----------------------------------------------------- Syscall param exit(status) contains uninitialised byte(s) ... - by 0x........: main (scalar.c:1297) + by 0x........: main (scalar.c:1293) diff --git a/memcheck/tests/x86-linux/scalar_openat2.c b/memcheck/tests/x86-linux/scalar_openat2.c new file mode 100644 index 0000000000..1e508e1618 --- /dev/null +++ b/memcheck/tests/x86-linux/scalar_openat2.c @@ -0,0 +1,17 @@ +#define _GNU_SOURCE + +#include "../../memcheck.h" +#include "scalar.h" + +int main(void) +{ + // uninitialised, but we know px[0] is 0x0 + long* px = malloc(sizeof(long)); + long x0 = px[0]; + long res; + + // __NR_openat2 337 + GO(__NR_openat2, "4s 2m"); + SY(__NR_openat2, x0, x0+1, x0+1, x0); FAIL; +} + diff --git a/memcheck/tests/x86-linux/scalar_openat2.stderr.exp b/memcheck/tests/x86-linux/scalar_openat2.stderr.exp new file mode 100644 index 0000000000..367da9dbf2 --- /dev/null +++ b/memcheck/tests/x86-linux/scalar_openat2.stderr.exp @@ -0,0 +1,29 @@ +----------------------------------------------------- +437: __NR_openat2 4s 2m +----------------------------------------------------- +Syscall param openat2(dfd) contains uninitialised byte(s) + ... + by 0x........: main (scalar_openat2.c:15) + +Syscall param openat2(filename) contains uninitialised byte(s) + ... + by 0x........: main (scalar_openat2.c:15) + +Syscall param openat2(how) contains uninitialised byte(s) + ... + by 0x........: main (scalar_openat2.c:15) + +Syscall param openat2(size) contains uninitialised byte(s) + ... + by 0x........: main (scalar_openat2.c:15) + +Syscall param openat2(filename) points to unaddressable byte(s) + ... + by 0x........: main (scalar_openat2.c:15) + Address 0x........ is not stack'd, malloc'd or (recently) free'd + +Syscall param openat2(how) points to unaddressable byte(s) + ... + by 0x........: main (scalar_openat2.c:15) + Address 0x........ is not stack'd, malloc'd or (recently) free'd + diff --git a/memcheck/tests/x86-linux/scalar_openat2.vgtest b/memcheck/tests/x86-linux/scalar_openat2.vgtest new file mode 100644 index 0000000000..517c797e61 --- /dev/null +++ b/memcheck/tests/x86-linux/scalar_openat2.vgtest @@ -0,0 +1,2 @@ +prog: scalar_openat2 +vgopts: -q |
|
From: Mark W. <ma...@kl...> - 2023-01-10 13:40:45
|
Hi, On Mon, 2023-01-09 at 08:53 +0100, Paul Floyd wrote: > Unfortunately I think that there is a problem on FreeBSD. As already > said there is an issue on a clean system when running in the build > directory. Because the auto-load uses VG_LIBDIR which is based on the > configure -prefix rather than the in-place location the scripts won't > load if you haven't done a make install. > > The same should hold for the nightly tests. The script does a make / > make check / make install and then a make regtest in the build dir. > So that should work. > > I also see that several of the Linux nightlies also have failures. This issue seems indeed that you get warnings like: warning: Missing auto-load script at offset 0 in section .debug_gdb_scripts of file /home/mark/src/valgrind/./.in_place/vgpreload_core-amd64-linux.so. Use `info auto-load python-scripts [REGEXP]' to list them. Unless you explicitly installed valgrind-monitor.py in the VG_LIBDIR path. The following filters help with that: diff --git a/gdbserver_tests/filter_gdb.in b/gdbserver_tests/filter_gdb.in index 03f26dc86..b70dc5201 100755 --- a/gdbserver_tests/filter_gdb.in +++ b/gdbserver_tests/filter_gdb.in @@ -18,6 +18,9 @@ cat > $PATTERNFILE <<EOF # delete messages produced by valgrind python code loading. /Loaded.*valgrind-monitor.py$/d /Type "help valgrind" for more info\.$/d +/warning: Missing auto-load script.*/d +/of file .*vgpreload.*so.*/d +/Use.*info auto-load python-scripts.*/d # delete messages produced when GDB auto-load denies loading python code. # Note that the first pattern is also present in filter_vgdb.in diff --git a/gdbserver_tests/filter_vgdb.in b/gdbserver_tests/filter_vgdb.in index fb5c484bf..13e9a344e 100755 --- a/gdbserver_tests/filter_vgdb.in +++ b/gdbserver_tests/filter_vgdb.in @@ -32,6 +32,9 @@ $SED -e '/_exit.c: Inappropriate ioctl for device\./d' | # filter python loading denied error message (see also filter_gdb.in) $SED -e '/warning: File .*valgrind-monitor.py.*declined.*/d' | +$SED -e '/warning: Missing auto-load script.*/d' | +$SED -e '/of file .*vgpreload.*so.*/d' | +$SED -e '/Use.*info auto-load python-scripts.*/d' | # and filter out any remaining empty lines $SED -e '/^$/d' Does that look correct? Cheers, Mark |