Seeing intermittent crash for TLSv1.3

[Hubert Kario]

Have you double-checked that the RAM in that PC is fine?
Run memtest86+ for 24h, if possible.

On Monday, 22 April 2024 18:27:51 CEST, Rahul Shukla wrote:
> Hi All, 
> I'm experiencing an intermittent crash with TLSv1.3. Despite my 
> efforts to analyze it using Valgrind or Purify, I'm unable to 
> replicate the issue. Does anyone have any insights into this??
>
>
> #0  0x0000724208ea1743 in unlink_chunk 
> (p=p at entry=0x7241ec4c9550, av=0x7241ec000030) at 
> ./malloc/malloc.c:1634
> #1  0x0000724208ea462b in _int_malloc 
> (av=av at entry=0x7241ec000030, bytes=bytes at entry=80) at 
> ./malloc/malloc.c:4307
> #2  0x0000724208ea5139 in __GI___libc_malloc (bytes=80) at 
> ./malloc/malloc.c:3329
> #3  0x00005a11a31f06ce in CRYPTO_zalloc ()
> #4  0x00005a11a318d321 in bn_expand2 ()
> #5  0x00005a11a318feab in BN_lshift1 ()
> #6  0x00005a11a32e0481 in BN_mod_lshift1_quick ()
> #7  0x00005a11a31b5f35 in ossl_ec_GFp_simple_ladder_step ()
> #8  0x00005a11a31ad34d in ossl_ec_scalar_mul_ladder ()
> #9  0x00005a11a31addf1 in ossl_ec_wNAF_mul ()
> #10 0x00005a11a31abc3d in EC_POINT_mul ()
> #11 0x00005a11a31a8d7f in ossl_ec_key_simple_generate_key ()
> #12 0x00005a11a31a8061 in ossl_ec_key_gen ()
> #13 0x00005a11a31a7fce in EC_KEY_generate_key ()
> #14 0x00005a11a3297b38 in ec_gen ()
> #15 0x00005a11a31d6c2b in evp_keymgmt_util_gen ()
> #16 0x00005a11a31e2aa7 in EVP_PKEY_generate ()
> #17 0x00005a11a311a317 in ssl_generate_pkey_group ()
> #18 0x00005a11a31462bc in tls_construct_ctos_key_share ()
> #19 0x00005a11a31443c3 in tls_construct_extensions ()
> #20 0x00005a11a314f92d in tls_construct_client_hello ()
> #21 0x00005a11a314e667 in state_machine ()
> #22 0x00005a11a3125184 in SSL_do_handshake ()
> .....
>
>
> TIA.
>
> -Rahul 

-- 
Regards,
Hubert Kario
Principal Quality Engineer, RHEL Crypto team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 115, 612 00, Brno, Czech Republic