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xar_signature_add_x509certificate: handle cases where cert_data is null #2

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squash merged 1 commit from master into master 2023-03-31 16:03:48 -05:00
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squash commented 2023-03-31 15:43:41 -05:00 (Migrated from github.com)
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xar is segfaulting on my ARM64 systems (Mac M1, Raspberry Pi 4)

#0 0x000000000024e470 in xar_signature_add_x509certificate (sig=0x23aef5d0, cert_data=0x0, cert_len=1149) at xar/xar/lib/signature.c:133

This PR modifies xar_signature_add_x509certificate to check that cert_data is not null before continuing with the signature.

xar is segfaulting on my ARM64 systems (Mac M1, Raspberry Pi 4) #0 0x000000000024e470 in xar_signature_add_x509certificate (sig=0x23aef5d0, cert_data=0x0, cert_len=1149) at xar/xar/lib/signature.c:133 This PR modifies xar_signature_add_x509certificate to check that cert_data is not null before continuing with the signature.
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