[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 Alexander Ivchenko changed: What|Removed |Added CC||aivchenk at gmail dot com --- Comment #3 from Alexander Ivchenko --- The same problem as: whttps://gcc.gnu.org/bugzilla/show_bug.cgi?id=69804
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705
Martin Sebor changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed||2016-04-22
CC||msebor at gcc dot gnu.org
Ever confirmed|0 |1
Known to fail||6.0
--- Comment #2 from Martin Sebor ---
Confirmed with 6.0:
$ cat v.c && gcc -S -fsanitize=null -fcheck-pointer-bounds -mmpx -xc v.c
int
foo (int *p)
{
return *p;
}
v.c:5:1: internal compiler error: Segmentation fault
}
^
0xe3bfe8 crash_signal
/home/msebor/scm/fsf/gcc-69517/gcc/toplev.c:335
0x752dea contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
/home/msebor/scm/fsf/gcc-69517/gcc/tree.h:3119
0xf296f9 chkp_walk_pointer_assignments
/home/msebor/scm/fsf/gcc-69517/gcc/tree-chkp.c:3725
0xf29f9d chkp_finish_file()
/home/msebor/scm/fsf/gcc-69517/gcc/tree-chkp.c:3835
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See for instructions.
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot gnu.org --- Comment #4 from Martin Liška --- I'll prepare patch for this PR.
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 --- Comment #5 from Martin Liška --- Author: marxin Date: Thu Mar 9 10:04:50 2017 New Revision: 245997 URL: https://gcc.gnu.org/viewcvs?rev=245997&root=gcc&view=rev Log: Disable -fcheck-pointer-bounds with sanitizers. 2017-03-09 Martin Liska PR target/65705 PR target/69804 * toplev.c (process_options): Disable -fcheck-pointer-bounds with sanitizers. 2017-03-09 Martin Liska PR target/65705 PR target/69804 * gcc.target/i386/pr71458.c: Update scanned pattern. Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.target/i386/pr71458.c trunk/gcc/toplev.c
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 Martin Liška changed: What|Removed |Added Known to work||7.0 Known to fail|7.0 | --- Comment #6 from Martin Liška --- Fixed on trunk so far.
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 --- Comment #7 from Martin Liška --- Author: marxin Date: Fri Mar 10 13:24:45 2017 New Revision: 246027 URL: https://gcc.gnu.org/viewcvs?rev=246027&root=gcc&view=rev Log: MPX: Fix option handling. 2017-03-10 Martin Liska PR target/65705 PR target/69804 * toplev.c (process_options): Enable MPX with LSAN and UBSAN. * tree-chkp.c (chkp_walk_pointer_assignments): Verify that FIELD != NULL. Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/gcc.target/i386/pr71458.c trunk/gcc/toplev.c trunk/gcc/tree-chkp.c
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 --- Comment #8 from Martin Liška --- Author: marxin Date: Wed Mar 22 10:43:59 2017 New Revision: 246354 URL: https://gcc.gnu.org/viewcvs?rev=246354&root=gcc&view=rev Log: Backport r245997 2017-03-22 Martin Liska Backport from mainline 2017-03-09 Martin Liska PR target/65705 PR target/69804 * toplev.c (process_options): Disable -fcheck-pointer-bounds with sanitizers. 2017-03-22 Martin Liska Backport from mainline 2017-03-09 Martin Liska PR target/65705 PR target/69804 * gcc.target/i386/pr71458.c: Update scanned pattern. Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/testsuite/ChangeLog branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr71458.c branches/gcc-6-branch/gcc/toplev.c
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 --- Comment #9 from Martin Liška --- Author: marxin Date: Wed Mar 22 10:45:42 2017 New Revision: 246356 URL: https://gcc.gnu.org/viewcvs?rev=246356&root=gcc&view=rev Log: Backport r246027 2017-03-22 Martin Liska Backport from mainline 2017-03-10 Martin Liska PR target/65705 PR target/69804 * toplev.c (process_options): Enable MPX with LSAN and UBSAN. * tree-chkp.c (chkp_walk_pointer_assignments): Verify that FIELD != NULL. Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr71458.c branches/gcc-6-branch/gcc/toplev.c branches/gcc-6-branch/gcc/tree-chkp.c
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 --- Comment #10 from Martin Liška --- Author: marxin Date: Wed Mar 22 12:30:42 2017 New Revision: 246373 URL: https://gcc.gnu.org/viewcvs?rev=246373&root=gcc&view=rev Log: Backport r237353,r245997,r246027 2017-03-22 Martin Liska Backport from mainline 2016-06-13 Martin Liska PR target/65705 PR target/69804 PR sanitizer/71458 * toplev.c (process_options): Enable MPX with LSAN and UBSAN. * tree-chkp.c (chkp_walk_pointer_assignments): Verify that FIELD != NULL. 2017-03-22 Martin Liska Backport from mainline 2016-06-13 Martin Liska PR sanitizer/71458 * gcc.target/i386/pr71458.c: New test. Added: branches/gcc-5-branch/gcc/testsuite/gcc.target/i386/pr71458.c Modified: branches/gcc-5-branch/gcc/ChangeLog branches/gcc-5-branch/gcc/testsuite/ChangeLog branches/gcc-5-branch/gcc/toplev.c branches/gcc-5-branch/gcc/tree-chkp.c
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705 Martin Liška changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #11 from Martin Liška --- Fixed on all active branches.
[Bug target/65705] ICE: SIGSEGV in contains_struct_check with -fsanitize=null -fcheck-pointer-bounds
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65705
--- Comment #1 from Zdenek Sojka ---
Another testcase fails with -fsanitize=signed-integer-overflow :
$ cat flags-min
-fsanitize=signed-integer-overflow
-fcheck-pointer-bounds
-mmpx
$ /mnt/svn/gcc-trunk/binary-latest/bin/gcc @flags-min testcase-min0.i
testcase-min0.i:5:1: internal compiler error: Segmentation fault
extern __inline int __sigismember (const __sigset_t *__set, int __sig) {
unsigned long int __mask = (((unsigned long int) 1) << (((__sig) - 1) % (8 *
sizeof (unsigned long int; unsigned long int __word = (((__sig) - 1) / (8 *
sizeof (unsigned long int))); return (__set->__val[__word] & __mask) ? 1 : 0; }
^
0xc4fc3f crash_signal
/mnt/svn/gcc-trunk/gcc/toplev.c:383
0xcfa9d1 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
/mnt/svn/gcc-trunk/gcc/tree.h:2959
0xcfa9d1 chkp_walk_pointer_assignments
/mnt/svn/gcc-trunk/gcc/tree-chkp.c:3594
0xcfc8d7 chkp_finish_file()
/mnt/svn/gcc-trunk/gcc/tree-chkp.c:3704
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See for instructions.
The set of -fsanitize= flags incompatible with -fcheck-pointer-bounds might be
much larger.
