Hi Ben, Thanks for the direction. Looks like it will fix both the issues as mentioned above. I will update you with the results after applying the patch.
Is there any ASAN related patch inside the TCP host stack code. I will be sharing the issue shortly with you. Thanks, Chetan On Mon, Sep 6, 2021 at 1:22 PM Benoit Ganne (bganne) <bga...@cisco.com> wrote: > It should be fixed in master by https://gerrit.fd.io/r/c/vpp/+/32643 > > ben > > > -----Original Message----- > > From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of chetan > bhasin > > Sent: lundi 6 septembre 2021 09:36 > > To: vpp-dev <vpp-dev@lists.fd.io> > > Subject: [vpp-dev] VPP 2106 with Sanitizer enabled > > > > Hi > > > > > > We are facing two errors with vpp2106 and Address Sanitizer enabled. > > > > make V=1 -j4 build VPP_EXTRA_CMAKE_ARGS=-DVPP_ENABLE_SANITIZE_ADDR=ON > > > > > > Work-around - After adding the two api’s string_key_sum and > > strnlen_s_inline to ASAN suppression, vpp2106 comes up fine. > > > > > > Error 1: > > ---------- > > Program received signal SIGSEGV, Segmentation fault. > > 0x00007ffff71db5c1 in __asan::FakeStack::AddrIsInFakeStack(unsigned long, > > unsigned long*, unsigned long*) () > > from /lib64/libasan.so.5 > > (gdb) bt > > #0 0x00007ffff71db5c1 in __asan::FakeStack::AddrIsInFakeStack(unsigned > > long, unsigned long*, unsigned long*) () > > from /lib64/libasan.so.5 > > #1 0x00007ffff72c2a11 in > > __asan::ThreadStackContainsAddress(__sanitizer::ThreadContextBase*, > void*) > > () > > from /lib64/libasan.so.5 > > #2 0x00007ffff72dcdc2 in > > __sanitizer::ThreadRegistry::FindThreadContextLocked(bool > > (*)(__sanitizer::ThreadContextBase*, void*), void*) () from > > /lib64/libasan.so.5 > > #3 0x00007ffff72c3e5a in __asan::FindThreadByStackAddress(unsigned long) > > () from /lib64/libasan.so.5 > > #4 0x00007ffff71d5fb6 in __asan::GetStackAddressInformation(unsigned > > long, unsigned long, __asan::StackAddressDescription*) () from > > /lib64/libasan.so.5 > > #5 0x00007ffff71d73f9 in > > __asan::AddressDescription::AddressDescription(unsigned long, unsigned > > long, bool) () > > from /lib64/libasan.so.5 > > #6 0x00007ffff71d9e51 in __asan::ErrorGeneric::ErrorGeneric(unsigned > int, > > unsigned long, unsigned long, unsigned long, unsigned long, bool, > unsigned > > long) () from /lib64/libasan.so.5 > > #7 0x00007ffff72bdc2a in __asan::ReportGenericError(unsigned long, > > unsigned long, unsigned long, unsigned long, bool, unsigned long, > unsigned > > int, bool) () from /lib64/libasan.so.5 > > #8 0x00007ffff720ef9c in __interceptor_strlen.part.0 () from > > /lib64/libasan.so.5 > > #9 0x00007ffff34ce2ec in string_key_sum (h=0x7fff6ff6e970, > > key=140735097062688) > > at src/vppinfra/hash.c:947 > > #10 0x00007ffff34caf15 in key_sum (h=0x7fff6ff6e970, key=140735097062688) > > at src/vppinfra/hash.c:333 > > #11 0x00007ffff34cbf76 in lookup (v=0x7fff6ff6e9b8, key=140735097062688, > > op=GET, new_value=0x0, old_value=0x0) > > at src/vppinfra/hash.c:557 > > #12 0x00007ffff34cc59d in _hash_get_pair (v=0x7fff6ff6e9b8, > > key=140735097062688) > > at src/vppinfra/hash.c:653 > > #13 0x000000000042e885 in lookup_hash_index (name=0x7fff7177c520 > > "/mem/stat segment") > > at src/vpp/stats/stat_segment.c:69 > > #14 0x0000000000431790 in stat_segment_new_entry (name=0x7fff7177c520 > > "/mem/stat segment", > > t=STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE) > > at src/vpp/stats/stat_segment.c:402 > > #15 0x00000000004401fb in vlib_stats_register_mem_heap > > (heap=0x7ffb67e00000) > > at src/vpp/stats/stat_segment_provider.c:96 > > #16 0x00000000004327fa in vlib_map_stat_segment_init () > > at src/vpp/stats/stat_segment.c:493 > > ---Type <return> to continue, or q <return> to quit--- > > #17 0x00007ffff3e15d19 in vlib_main (vm=0x7fff6eeff680, > > input=0x7fff6a0a9f70) > > at src/vlib/main.c:3272 > > #18 0x00007ffff3f0d924 in thread0 (arg=140735054608000) > > at src/vlib/unix/main.c:671 > > #19 0x00007ffff34d9504 in clib_calljmp () > > at src/vppinfra/longjmp.S:123 > > #20 0x00007fffffffc940 in ?? () > > #21 0x00007ffff3f0e67e in vlib_unix_main (argc=282, argv=0x61d00001a480) > > at src/vlib/unix/main.c:751 > > #22 0x000000000040b482 in main (argc=282, argv=0x61d00001a480) > > at src/vpp/vnet/main.c:336 > > (gdb) q > > > > > > > > > > Error 2: > > ----------- > > Program received signal SIGSEGV, Segmentation fault. > > 0x00007ffff71db5c1 in __asan::FakeStack::AddrIsInFakeStack(unsigned long, > > unsigned long*, unsigned long*) () > > from /lib64/libasan.so.5 > > (gdb) bt > > #0 0x00007ffff71db5c1 in __asan::FakeStack::AddrIsInFakeStack(unsigned > > long, unsigned long*, unsigned long*) () > > from /lib64/libasan.so.5 > > #1 0x00007ffff72c2a11 in > > __asan::ThreadStackContainsAddress(__sanitizer::ThreadContextBase*, > void*) > > () > > from /lib64/libasan.so.5 > > #2 0x00007ffff72dcdc2 in > > __sanitizer::ThreadRegistry::FindThreadContextLocked(bool > > (*)(__sanitizer::ThreadContextBase*, void*), void*) () from > > /lib64/libasan.so.5 > > #3 0x00007ffff72c3e5a in __asan::FindThreadByStackAddress(unsigned long) > > () from /lib64/libasan.so.5 > > #4 0x00007ffff71d5fb6 in __asan::GetStackAddressInformation(unsigned > > long, unsigned long, __asan::StackAddressDescription*) () from > > /lib64/libasan.so.5 > > #5 0x00007ffff71d73f9 in > > __asan::AddressDescription::AddressDescription(unsigned long, unsigned > > long, bool) () > > from /lib64/libasan.so.5 > > #6 0x00007ffff71d9e51 in __asan::ErrorGeneric::ErrorGeneric(unsigned > int, > > unsigned long, unsigned long, unsigned long, unsigned long, bool, > unsigned > > long) () from /lib64/libasan.so.5 > > #7 0x00007ffff72bdc2a in __asan::ReportGenericError(unsigned long, > > unsigned long, unsigned long, unsigned long, bool, unsigned long, > unsigned > > int, bool) () from /lib64/libasan.so.5 > > #8 0x00007ffff721252c in __interceptor_strnlen.part.0 () from > > /lib64/libasan.so.5 > > #9 0x00007ffff3595a0c in strnlen_s_inline (s=0x7fff7177c520 "/mem/stat > > segment", maxsize=128) > > at src/vppinfra/string.h:800 > > #10 0x00007ffff3595f63 in strcpy_s_inline (dest=0x7fff6a0a9ab0 "", > > dmax=128, src=0x7fff7177c520 "/mem/stat segment") > > at src/vppinfra/string.h:960 > > #11 0x00007ffff3597e1c in strcpy_s (dest=0x7fff6a0a9ab0 "", dmax=128, > > src=0x7fff7177c520 "/mem/stat segment") > > at src/vppinfra/string.c:274 > > #12 0x0000000000431820 in stat_segment_new_entry (name=0x7fff7177c520 > > "/mem/stat segment", > > t=STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE) > > at src/vpp/stats/stat_segment.c:408 > > #13 0x00000000004401fb in vlib_stats_register_mem_heap > > (heap=0x7ffb67e00000) > > at src/vpp/stats/stat_segment_provider.c:96 > > #14 0x00000000004327fa in vlib_map_stat_segment_init () > > at src/vpp/stats/stat_segment.c:493 > > #15 0x00007ffff3e15d19 in vlib_main (vm=0x7fff6eeff680, > > input=0x7fff6a0a9f70) > > at src/vlib/main.c:3272 > > #16 0x00007ffff3f0d924 in thread0 (arg=140735054608000) > > at src/vlib/unix/main.c:671 > > ---Type <return> to continue, or q <return> to quit--- > > #17 0x00007ffff34d9504 in clib_calljmp () > > at src/vppinfra/longjmp.S:123 > > #18 0x00007fffffffc940 in ?? () > > #19 0x00007ffff3f0e67e in vlib_unix_main (argc=282, argv=0x61d00001a480) > > at src/vlib/unix/main.c:751 > > #20 0x000000000040b482 in main (argc=282, argv=0x61d00001a480) > > at src/vpp/vnet/main.c:336 > > (gdb) > > > > > > Thanks, > > Chetan > >
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