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icp: mark asm files with noexec stack

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If there is no explicit note in the .S files, the obj file will mark it
as requiring an executable stack. This is unneeded and causes issues on
hardened systems.

More info:
https://wiki.gentoo.org/wiki/Hardened/GNU_stack_quickstart

Signed-off-by: Jason Zaman <jason@perfinion.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4947
Closes #4962
This commit is contained in:
Jason Zaman 2016-08-11 23:59:03 +08:00 committed by Brian Behlendorf
parent a9947ce771
commit a3600a106d
5 changed files with 20 additions and 0 deletions
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4
module/icp/asm-x86_64/aes/aes_amd64.S
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@ -898,3 +898,7 @@ dec_tab:
SET_SIZE(aes_decrypt_amd64)
#endif /* lint || __lint */
#ifdef __ELF__
.section .note.GNU-stack,"",%progbits
#endif

4
module/icp/asm-x86_64/aes/aes_intel.S
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@ -849,3 +849,7 @@ ENTRY_NP(aes_decrypt_intel)
SET_SIZE(aes_decrypt_intel)
#endif /* lint || __lint */
#ifdef __ELF__
.section .note.GNU-stack,"",%progbits
#endif

4
module/icp/asm-x86_64/modes/gcm_intel.S
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@ -332,3 +332,7 @@ ENTRY_NP(gcm_mul_pclmulqdq)
SET_SIZE(gcm_mul_pclmulqdq)
#endif /* lint || __lint */
#ifdef __ELF__
.section .note.GNU-stack,"",%progbits
#endif

4
module/icp/asm-x86_64/sha1/sha1-x86_64.S
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@ -1344,3 +1344,7 @@ SET_SIZE(sha1_block_data_order)
.asciz "SHA1 block transform for x86_64, CRYPTOGAMS by <appro@openssl.org>"
#endif /* lint || __lint */
#ifdef __ELF__
.section .note.GNU-stack,"",%progbits
#endif

4
module/icp/asm-x86_64/sha2/sha256_impl.S
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@ -2058,3 +2058,7 @@ K256:
.long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
.long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
#endif /* !lint && !__lint */
#ifdef __ELF__
.section .note.GNU-stack,"",%progbits
#endif