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Red Hat Bugzilla – Attachment 316052 Details for
Bug 461458
kernel returns EPERM when RLIMIT_NOFILE is set to RLIM_INFINITY
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testcase
test.c (text/plain), 836 bytes, created by
Adam Tkac
on 2008-09-08 08:33:59 UTC
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Description:
testcase
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MIME Type:
Creator:
Adam Tkac
Created:
2008-09-08 08:33:59 UTC
Size:
836 bytes
patch
obsolete
>#include <stdio.h> >#include <string.h> >#include <sys/resource.h> >#include <sys/syscall.h> >#include <linux/capability.h> > >int main (void) { > struct rlimit rl; > int ret; > struct __user_cap_header_struct caphead; > struct __user_cap_data_struct cap; > > memset(&caphead, 0, sizeof(caphead)); > caphead.version = _LINUX_CAPABILITY_VERSION; > caphead.pid = 0; > memset(&cap, 0, sizeof(cap)); > cap.effective = (1 << CAP_SYS_RESOURCE); > cap.permitted = (1 << CAP_SYS_RESOURCE); > cap.inheritable = 0; > > ret = syscall(SYS_capset, &caphead, &cap); > printf ("capset returns: %d\n", ret); > > rl.rlim_cur = 30; > rl.rlim_max = RLIM_INFINITY; > > ret = setrlimit(RLIMIT_NOFILE, &rl); > printf ("setrlimit returns: %d\n", ret); > > return 0; >} >
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