Hi, On 04/05/2022 09:59, Martin Liška wrote: > Supports change in libsanitizer where it newly reports: > READ of size 4 at 0xffffffffc3d4 tags: 02/01(00) (ptr/mem) in thread T0 > > So the 'tags' contains now 3 entries compared to 2 entries. > > gcc/testsuite/ChangeLog: > > * c-c++-common/hwasan/alloca-outside-caught.c: Update dg-output. > * c-c++-common/hwasan/heap-overflow.c: Likewise. > * c-c++-common/hwasan/hwasan-thread-access-parent.c: Likewise. > * c-c++-common/hwasan/large-aligned-1.c: Likewise.
I noticed the above test (large-aligned-1.c) failing on the GCC 12 branch due to the change in output format mentioned above. This patch (committed as r13-100-g3771486daa1e904ceae6f3e135b28e58af33849f) seems to apply cleanly on the GCC 12 branch too, is it OK to backport to GCC 12? Thanks, Alex > * c-c++-common/hwasan/stack-tagging-basic-1.c: Likewise. > --- > gcc/testsuite/c-c++-common/hwasan/alloca-outside-caught.c | 2 +- > gcc/testsuite/c-c++-common/hwasan/heap-overflow.c | 2 +- > gcc/testsuite/c-c++-common/hwasan/hwasan-thread-access-parent.c | 2 +- > gcc/testsuite/c-c++-common/hwasan/large-aligned-1.c | 2 +- > gcc/testsuite/c-c++-common/hwasan/stack-tagging-basic-1.c | 2 +- > 5 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/gcc/testsuite/c-c++-common/hwasan/alloca-outside-caught.c > b/gcc/testsuite/c-c++-common/hwasan/alloca-outside-caught.c > index 60d7a9a874f..6f3825bee7c 100644 > --- a/gcc/testsuite/c-c++-common/hwasan/alloca-outside-caught.c > +++ b/gcc/testsuite/c-c++-common/hwasan/alloca-outside-caught.c > @@ -20,6 +20,6 @@ main () > } > > /* { dg-output "HWAddressSanitizer: tag-mismatch on address 0x\[0-9a-f\]*.*" > } */ > -/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: > \[\[:xdigit:\]\]\[\[:xdigit:\]\]/00 \\(ptr/mem\\) in thread T0.*" } */ > +/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: > \[\[:xdigit:\]\]\[\[:xdigit:\]\]/00.* \\(ptr/mem\\) in thread T0.*" } */ > /* { dg-output "Address 0x\[0-9a-f\]* is located in stack of thread T0.*" } > */ > /* { dg-output "SUMMARY: HWAddressSanitizer: tag-mismatch \[^\n\]*.*" } */ > diff --git a/gcc/testsuite/c-c++-common/hwasan/heap-overflow.c > b/gcc/testsuite/c-c++-common/hwasan/heap-overflow.c > index 137466800de..bddb38c81f1 100644 > --- a/gcc/testsuite/c-c++-common/hwasan/heap-overflow.c > +++ b/gcc/testsuite/c-c++-common/hwasan/heap-overflow.c > @@ -23,7 +23,7 @@ int main(int argc, char **argv) { > } > > /* { dg-output "HWAddressSanitizer: tag-mismatch on address 0x\[0-9a-f\]*.*" > } */ > -/* { dg-output "READ of size 1 at 0x\[0-9a-f\]* tags: > \[\[:xdigit:\]\]\[\[:xdigit:\]\]/\[\[:xdigit:\]\]\[\[:xdigit:\]\] > \\(ptr/mem\\) in thread T0.*" } */ > +/* { dg-output "READ of size 1 at 0x\[0-9a-f\]* tags: > \[\[:xdigit:\]\]\[\[:xdigit:\]\]/\[\[:xdigit:\]\]\[\[:xdigit:\]\].* > \\(ptr/mem\\) in thread T0.*" } */ > /* { dg-output "located 0 bytes to the right of 10-byte region.*" } */ > /* { dg-output "allocated here:.*" } */ > /* { dg-output "#1 0x\[0-9a-f\]+ +in _*main \[^\n\r]*heap-overflow.c:18" } */ > diff --git a/gcc/testsuite/c-c++-common/hwasan/hwasan-thread-access-parent.c > b/gcc/testsuite/c-c++-common/hwasan/hwasan-thread-access-parent.c > index 828909d3b3b..eca27c8cd2c 100644 > --- a/gcc/testsuite/c-c++-common/hwasan/hwasan-thread-access-parent.c > +++ b/gcc/testsuite/c-c++-common/hwasan/hwasan-thread-access-parent.c > @@ -46,6 +46,6 @@ main (int argc, char **argv) > } > > /* { dg-output "HWAddressSanitizer: tag-mismatch on address 0x\[0-9a-f\]*.*" > } */ > -/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: > 00/\[\[:xdigit:\]\]\[\[:xdigit:\]\] \\(ptr/mem\\) in thread T1.*" } */ > +/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: > 00/\[\[:xdigit:\]\]\[\[:xdigit:\]\].* \\(ptr/mem\\) in thread T1.*" } */ > /* { dg-output "Address 0x\[0-9a-f\]* is located in stack of thread T0.*" } > */ > /* { dg-output "SUMMARY: HWAddressSanitizer: tag-mismatch \[^\n\]*.*" } */ > diff --git a/gcc/testsuite/c-c++-common/hwasan/large-aligned-1.c > b/gcc/testsuite/c-c++-common/hwasan/large-aligned-1.c > index 1aa13032396..6158ba4bdbc 100644 > --- a/gcc/testsuite/c-c++-common/hwasan/large-aligned-1.c > +++ b/gcc/testsuite/c-c++-common/hwasan/large-aligned-1.c > @@ -9,6 +9,6 @@ > /* { dg-output "HWAddressSanitizer: tag-mismatch on address 0x\[0-9a-f\]*.*" > } */ > /* NOTE: This assumes the current tagging mechanism (one at a time from the > base and large aligned variables being handled first). */ > -/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: > \[\[:xdigit:\]\]\[\[:xdigit:\]\]/\[\[:xdigit:\]\]\[\[:xdigit:\]\] > \\(ptr/mem\\) in thread T0.*" } */ > +/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: > \[\[:xdigit:\]\]\[\[:xdigit:\]\]/\[\[:xdigit:\]\]\[\[:xdigit:\]\].* > \\(ptr/mem\\) in thread T0.*" } */ > /* { dg-output "Address 0x\[0-9a-f\]* is located in stack of thread T0.*" } > */ > /* { dg-output "SUMMARY: HWAddressSanitizer: tag-mismatch \[^\n\]*.*" } */ > diff --git a/gcc/testsuite/c-c++-common/hwasan/stack-tagging-basic-1.c > b/gcc/testsuite/c-c++-common/hwasan/stack-tagging-basic-1.c > index 90d5837254f..c4e698e1b8b 100644 > --- a/gcc/testsuite/c-c++-common/hwasan/stack-tagging-basic-1.c > +++ b/gcc/testsuite/c-c++-common/hwasan/stack-tagging-basic-1.c > @@ -13,6 +13,6 @@ > #undef ARG > > /* { dg-output "HWAddressSanitizer: tag-mismatch on address 0x\[0-9a-f\]*.*" > } */ > -/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: > \[\[:xdigit:\]\]\[\[:xdigit:\]\]/\[\[:xdigit:\]\]\[\[:xdigit:\]\] > \\(ptr/mem\\) in thread T0.*" } */ > +/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: > \[\[:xdigit:\]\]\[\[:xdigit:\]\]/\[\[:xdigit:\]\]\[\[:xdigit:\]\].* > \\(ptr/mem\\) in thread T0.*" } */ > /* { dg-output "Address 0x\[0-9a-f\]* is located in stack of thread T0.*" } > */ > /* { dg-output "SUMMARY: HWAddressSanitizer: tag-mismatch \[^\n\]*.*" } */ > -- > 2.36.0 >