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authorDavid Gibson <david@gibson.dropbear.id.au>2023-01-16 14:15:27 +1000
committerStefano Brivio <sbrivio@redhat.com>2023-02-12 23:42:24 +0100
commit7a8ed9459dfe803c529d61d3741d8d4f8f67ea92 (patch)
tree53b322cc77a651623e9498aecd516993743619a6 /test/pasta_options/log_to_file
parentcc6d8286d1043d04eb8518e39cebcb9e086dca17 (diff)
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Make assertions actually useful
There are some places in passt/pasta which #include <assert.h> and make various assertions. If we hit these something has already gone wrong, but they're there so that we a useful message instead of cryptic misbehaviour if assumptions we thought were correct turn out not to be. Except.. the glibc implementation of assert() uses syscalls that aren't in our seccomp filter, so we'll get a SIGSYS before it actually prints the message. Work around this by adding our own ASSERT() implementation using our existing err() function to log the message, and an abort(). The abort() probably also won't work exactly right with seccomp, but once we've printed the message, dying with a SIGSYS works just as well as dying with a SIGABRT. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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