25863cc512
A n_type==NT_GNU_PROPERTY_TYPE_0 note encodes a program property. If pr_datasize is invalid, LLD may crash (https://github.com/ClangBuiltLinux/linux/issues/1141) This patch adds some error checking, supports big-endian, and add some tests for invalid n_descsz. Differential Revision: https://reviews.llvm.org/D86422
56 lines
1.8 KiB
ArmAsm
56 lines
1.8 KiB
ArmAsm
# REQUIRES: aarch64
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# RUN: split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=aarch64 %t/1.s -o %t1.o
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# RUN: not ld.lld %t1.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR1
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# ERR1: error: {{.*}}.o:(.note.gnu.property+0x0): data is too short
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# RUN: llvm-mc -filetype=obj -triple=aarch64 %t/2.s -o %t2.o
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# RUN: not ld.lld %t2.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR2
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# RUN: llvm-mc -filetype=obj -triple=aarch64_be %t/2.s -o %t2be.o
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# RUN: not ld.lld %t2be.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR2
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# ERR2: error: {{.*}}.o:(.note.gnu.property+0x10): program property is too short
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# RUN: llvm-mc -filetype=obj -triple=aarch64 %t/3.s -o %t3.o
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# RUN: not ld.lld %t3.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR3
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# RUN: llvm-mc -filetype=obj -triple=aarch64_be %t/3.s -o %t3be.o
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# RUN: not ld.lld %t3be.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR3
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# ERR3: error: {{.*}}.o:(.note.gnu.property+0x10): FEATURE_1_AND entry is too short
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#--- 1.s
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.section ".note.gnu.property", "a"
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.long 4
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.long 17 // n_descsz too long
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.long 5 // NT_GNU_PROPERTY_TYPE_0
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.asciz "GNU"
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.long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
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.long 4 // pr_datasz
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.long 1 // GNU_PROPERTY_AARCH64_FEATURE_1_BTI
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.long 0
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#--- 2.s
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.section ".note.gnu.property", "a"
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.long 4
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.long 16 // n_descsz
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.long 5 // NT_GNU_PROPERTY_TYPE_0
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.asciz "GNU"
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.long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
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.long 9 // pr_datasz too long
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.long 1 // GNU_PROPERTY_AARCH64_FEATURE_1_BTI
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.long 0
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#--- 3.s
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.section ".note.gnu.property", "a"
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.long 4
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.long 8 // n_descsz
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.long 5 // NT_GNU_PROPERTY_TYPE_0
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.asciz "GNU"
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.long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
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.long 0 // pr_datasz too short
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