Fix undeclared errors of EM_ARM and EM_AARCH64 #4
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This happens when using toolchains with old kernel headers, and generates errors like these ones: ---------------------------------- scmp_bpf_disasm.c:322:12: error: 'EM_ARM' undeclared (first use in this function) util.h:46:29: error: 'EM_AARCH64' undeclared (first use in this function) ---------------------------------- Full log can be found here: http:https://autobuild.buildroot.net/results/4cd/4cd6aaccde9fb0f80e49133b477f330b601f4a63/build-end.log Signed-off-by: Vicente Olivert Riera <[email protected]>
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See commit f8de89b, does it resolve your problem? |
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Marking this as closed with the v2.2.1 release. |
giuseppe
added a commit
to giuseppe/libseccomp
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Mar 18, 2021
it was reported by clang with the option -fsanitize=memory:
Uninitialized bytes in MemcmpInterceptorCommon at offset 0 inside [0x7070000002a0, 56)
==3791089==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x482a2c in memcmp (fuzzer+0x482a2c)
seccomp#1 0x7fed2f120ebb in _hsh_add src/libseccomp/src/gen_bpf.c:598:9
seccomp#2 0x7fed2f121715 in _gen_bpf_action_hsh src/libseccomp/src/gen_bpf.c:796:6
seccomp#3 0x7fed2f121a53 in _gen_bpf_node src/libseccomp/src/gen_bpf.c:831:11
seccomp#4 0x7fed2f121a53 in _gen_bpf_chain.isra.0 src/libseccomp/src/gen_bpf.c:1072:13
seccomp#5 0x7fed2f121f16 in _gen_bpf_chain_lvl_res src/libseccomp/src/gen_bpf.c:977:12
seccomp#6 0x7fed2f121c74 in _gen_bpf_chain.isra.0 src/libseccomp/src/gen_bpf.c:1124:12
seccomp#7 0x7fed2f12253c in _gen_bpf_syscall src/libseccomp/src/gen_bpf.c:1520:10
seccomp#8 0x7fed2f12253c in _gen_bpf_syscalls src/libseccomp/src/gen_bpf.c:1615:18
seccomp#9 0x7fed2f12253c in _gen_bpf_arch src/libseccomp/src/gen_bpf.c:1683:7
seccomp#10 0x7fed2f12253c in _gen_bpf_build_bpf src/libseccomp/src/gen_bpf.c:2056:11
seccomp#11 0x7fed2f12253c in gen_bpf_generate src/libseccomp/src/gen_bpf.c:2321:7
seccomp#12 0x7fed2f11f41c in seccomp_export_bpf src/libseccomp/src/api.c:724:7
Uninitialized value was created by a heap allocation
#0 0x4547ef in realloc (fuzzer+0x4547ef)
seccomp#1 0x7fed2f121244 in _blk_resize src/libseccomp/src/gen_bpf.c:362:8
seccomp#2 0x7fed2f121244 in _blk_append src/libseccomp/src/gen_bpf.c:394:6
Signed-off-by: Giuseppe Scrivano <[email protected]>
giuseppe
added a commit
to giuseppe/libseccomp
that referenced
this pull request
Mar 18, 2021
it was reported by clang with the option -fsanitize=memory:
Uninitialized bytes in MemcmpInterceptorCommon at offset 0 inside [0x7070000002a0, 56)
==3791089==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x482a2c in memcmp (fuzzer+0x482a2c)
seccomp#1 0x7fed2f120ebb in _hsh_add src/libseccomp/src/gen_bpf.c:598:9
seccomp#2 0x7fed2f121715 in _gen_bpf_action_hsh src/libseccomp/src/gen_bpf.c:796:6
seccomp#3 0x7fed2f121a53 in _gen_bpf_node src/libseccomp/src/gen_bpf.c:831:11
seccomp#4 0x7fed2f121a53 in _gen_bpf_chain.isra.0 src/libseccomp/src/gen_bpf.c:1072:13
seccomp#5 0x7fed2f121f16 in _gen_bpf_chain_lvl_res src/libseccomp/src/gen_bpf.c:977:12
seccomp#6 0x7fed2f121c74 in _gen_bpf_chain.isra.0 src/libseccomp/src/gen_bpf.c:1124:12
seccomp#7 0x7fed2f12253c in _gen_bpf_syscall src/libseccomp/src/gen_bpf.c:1520:10
seccomp#8 0x7fed2f12253c in _gen_bpf_syscalls src/libseccomp/src/gen_bpf.c:1615:18
seccomp#9 0x7fed2f12253c in _gen_bpf_arch src/libseccomp/src/gen_bpf.c:1683:7
seccomp#10 0x7fed2f12253c in _gen_bpf_build_bpf src/libseccomp/src/gen_bpf.c:2056:11
seccomp#11 0x7fed2f12253c in gen_bpf_generate src/libseccomp/src/gen_bpf.c:2321:7
seccomp#12 0x7fed2f11f41c in seccomp_export_bpf src/libseccomp/src/api.c:724:7
Uninitialized value was created by a heap allocation
#0 0x4547ef in realloc (fuzzer+0x4547ef)
seccomp#1 0x7fed2f121244 in _blk_resize src/libseccomp/src/gen_bpf.c:362:8
seccomp#2 0x7fed2f121244 in _blk_append src/libseccomp/src/gen_bpf.c:394:6
Signed-off-by: Giuseppe Scrivano <[email protected]>
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This happens when using toolchains with old kernel headers, and
generates errors like these ones:
scmp_bpf_disasm.c:322:12: error: 'EM_ARM' undeclared (first use in this
function)
util.h:46:29: error: 'EM_AARCH64' undeclared (first use in this
function)
Full log can be found here:
http:https://autobuild.buildroot.net/results/4cd/4cd6aaccde9fb0f80e49133b477f330b601f4a63/build-end.log
Signed-off-by: Vicente Olivert Riera [email protected]