The following code reproduces the bug:
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
int main(void)
{
char path[1024];
int fd;
const pid_t pid = getpid();
char buffer[1];
snprintf(path, sizeof(path), "/proc/%d/task/%d/attr/context",
pid, pid);
fd = open(path, O_RDWR);
if (fd >= 0) {
(void)write(fd, buffer, 0);
(void)close(fd);
}
}
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https://bugs.launchpad.net/bugs/1720779
Title:
linux 4.13.0-13.14 ADT test failure with linux 4.13.0-13.14
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