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add prompt when rootless users have no read access to runc bin 

Signed-off-by: Lifubang <lifubang@acmcoder.com>
This commit is contained in:
Lifubang 2019-03-16 13:08:24 +08:00
parent 7341c22d46
commit 2e8efc1bc7
1 changed files with 3 additions and 1 deletions
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4
libcontainer/nsenter/cloned_binary.c
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@ -95,8 +95,10 @@ static int is_self_cloned(void)
struct statfs fsbuf = {};
fd = open("/proc/self/exe", O_RDONLY|O_CLOEXEC);
if (fd < 0)
if (fd < 0) {
fprintf(stderr, "you have no read access to runc binary file\n");
return -ENOTRECOVERABLE;
}
/*
* Is the binary a fully-sealed memfd? We don't need CLONED_BINARY_ENV for