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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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1720779
Title:
linux 4.13.0-13.14 ADT test failure with linux 4.13.0-13.14
Status in linux package in Ubuntu:
In Progress
Bug description:
Testing failed on:
amd64:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-artful-canonical-kernel-team-bootstrap/artful/amd64/l/linux/20171001_175518_8c658@/log.gz
ubuntu_stress_smoke_test is failing on amd64. It looks like stress-ng
might be terminating during the procfs test.
17:41:42 DEBUG| [stdout] procfs STARTING
17:52:47 INFO | ERROR
ubuntu_stress_smoke_test.stress-smoke-test
ubuntu_stress_smoke_test.stress-smoke-test timestamp=1506880367
localtime=Oct 01 17:52:47 Test subprocess failed rc=9
17:52:49 INFO | END ERROR
ubuntu_stress_smoke_test.stress-smoke-test
ubuntu_stress_smoke_test.stress-smoke-test timestamp=1506880368
localtime=Oct 01 17:52:48
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