261c7e1d15
prctl(2): PR_SET_MM: Refine CONFIG_CHECKPOINT_RESTORE requirement
...
The Linux 3.10 release dropped the c/r requirement and opened it
up to all users.
Signed-off-by: Mike Frysinger <vapier@chromium.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-04-19 15:52:04 +02:00
7e3236a5a0
prctl(2): PR_SET_MM: Document new PR_SET_MM_MAP{,_SIZE} helpers
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Signed-off-by: Mike Frysinger <vapier@chromium.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-04-19 15:52:04 +02:00
a87d0921a7
prctl(2): PR_SET_MM: Document arg4/arg5 zero behavior
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The kernel will immediately reject calls where arg4/arg5 are not
zero. See kernel/sys.c:prctl_set_mm().
Signed-off-by: Mike Frysinger <vapier@chromium.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-04-19 15:52:04 +02:00
94e460d409
prctl.2: Explain rationale for use of subreaper processes
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-03-17 12:33:58 +01:00
fbc639312f
prctl.2: Improve description of PR_SET_CHILD_SUBREAPER
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-03-17 06:54:32 +01:00
d59a75720f
prctl.2: Note semantics of child_subreaper setting on fork() and exec()
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-03-17 06:54:32 +01:00
41f90bb7eb
prctl.2: Minor fixes to Keno's patch
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-28 11:13:38 +01:00
27ce08bf1d
prctl.2: Be more precise in what causes dumpable to reset
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-28 11:10:28 +01:00
eb359b3e8f
prctl.2: wfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-15 12:47:59 +01:00
224d55c497
prctl.2: wfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-15 12:47:59 +01:00
1a52f4f6e2
prctl.2: Clarify that the ambient capability set is per-thread
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-15 12:47:59 +01:00
40dfb5bafb
prctl.2: The no_new_privs setting is per-thread (not per-process)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-15 09:08:10 +01:00
4d850396e8
prctl.2: Add reference to seccomp(2) on discussion of PR_SET_NO_NEW_PRIVS
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-15 09:07:17 +01:00
c70fea6e4f
prctl.2: Mention /proc/PID/status 'NoNewPrivs' field
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-15 09:07:17 +01:00
35deeb8703
bind.2, chmod.2, chown.2, chroot.2, clock_getres.2, clone.2, connect.2, dup.2, fallocate.2, get_mempolicy.2, getpeername.2, getpriority.2, getsockname.2, getsockopt.2, gettimeofday.2, ioctl_ficlonerange.2, ioctl_fideduperange.2, kill.2, mbind.2, mmap.2, mount.2, mprotect.2, nfsservctl.2, nice.2, open.2, perf_event_open.2, pipe.2, pkey_alloc.2, prctl.2, ptrace.2, quotactl.2, remap_file_pages.2, sched_setscheduler.2, set_mempolicy.2, signal.2, signalfd.2, swapon.2, sync_file_range.2, syscalls.2, timer_create.2, timerfd_create.2, utime.2, utimensat.2, wait.2, atof.3, ctime.3, errno.3, fclose.3, fflush.3, insque.3, malloc_get_state.3, mallopt.3, mbsnrtowcs.3, mq_close.3, mq_open.3, mq_receive.3, mq_send.3, printf.3, pthread_attr_init.3, pthread_create.3, pthread_setaffinity_np.3, ptsname.3, remainder.3, strtod.3, tgamma.3, timegm.3, tmpnam.3, ttyname.3, console_ioctl.4, elf.5, filesystems.5, proc.5, utmp.5, capabilities.7, cgroups.7, credentials.7, ddp.7, feature_test_macros.7, fifo.7, inotify.7, libc.7, mount_namespaces.7, namespaces.7, netlink.7, pid_namespaces.7, pkeys.7, shm_overview.7, standards.7, uri.7, user_namespaces.7: tstamp
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-12 10:45:24 +01:00
2da72a435c
prctl.2: Minor tweaks to Eugene Syromyatnikov's patch
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-12 07:21:41 +01:00
0e2c6b8c1b
prctl.2: Some additional details regarding PR_GET_UNALIGNED operation
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-12 07:18:46 +01:00
c7f2f9ed16
prctl.2: Minor tweaks to Eugene Syromyatnikov's patch
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-12 07:17:48 +01:00
c49be32cd9
prctl.2: Note the output buffer size for PR_GET_TID_ADDRESS operation on x32/n32
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Add note regarding the size of the output user space buffer
for PR_GET_TID_ADDRESS operation on x32/n32.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-12-12 07:13:56 +01:00
41a926bfa6
prctl.2: wfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-11-20 19:02:23 +01:00
ffb0dafce7
prctl.2: tfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-11-20 18:28:02 +01:00
07d6076e59
prctl.2: Tweaks after comments from Eugene Syromyatnikov
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Reported-by: Eugene Syromyatnikov <evgsyr@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-11-20 18:25:34 +01:00
fb90e0c7ca
prctl.2: Remove numeric definitions of PR_FP_MODE_FR and PR_FP_MODE_FRE bits
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There's no obvious reason to supply the numeric values
for these bit-mask constants.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-11-20 12:25:12 +01:00
8950730593
prctl.2: Minor wording fixes
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-11-20 12:21:56 +01:00
b3073df8f9
prctl.2: srcfix: rewrap lines
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-11-20 11:32:37 +01:00
64a53a6768
prctl.2: Document PR_SET_FP_MODE and PR_GET_FP_MODE
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Based on description provided in commit 9791554b and information in
https://dmz-portal.mips.com/wiki/MIPS_O32_ABI_-_FR0_and_FR1_Interlinking
2016-11-20 11:24:04 +01:00
a644bc4824
prctl.2: Simplify list of cases where "dumpable" attribute is reset
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Simplify list of cases that cause dumpable attribute to
reset to suid_dumpable: there were two lists that together
in effect had many duplicates.
Also some minor rewordings.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-09-21 12:46:10 +02:00
161946a262
prctl.2: Refer to proc(5) for effects of dumpability on ownership of /proc/PID/*
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-09-21 12:46:09 +02:00
982d8cf740
prctl.2: Minor fix: add a reference to ptrace(2) for PR_SET_DUMPABLE
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-09-21 12:46:09 +02:00
4ab9f1db3d
prctl.2: ERRORS: Add EACCES error for PR_SET_SECCOMP-SECCOMP_MODE_FILTER
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-09-16 12:35:45 +02:00
af53fcb53e
prctl.2: Note user namespace requirements for PR_CAPBSET_DROP CAP_SETPCAP
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-09-12 14:04:45 +01:00
bf7bc8b898
arch_prctl.2, execveat.2, fanotify_mark.2, fcntl.2, fork.2, madvise.2, mknod.2, mmap.2, modify_ldt.2, mount.2, open.2, prctl.2, ptrace.2, restart_syscall.2, seccomp.2, semop.2, set_thread_area.2, symlink.2, umount.2, unlink.2, error.3, getnetent.3, getprotoent.3, getservent.3, getutent.3, glob.3, login.3, setjmp.3, setnetgrent.3, wordexp.3, epoll.7: Remove section number from page self reference
...
Fix places where pages refer to the function that they describe
and include a section number in that reference. Such references
cause some HTML-rendering tools to create self-references in the
page.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-08-08 05:54:12 +10:00
3df541c0e6
ldd.1, localedef.1, add_key.2, chroot.2, clone.2, fork.2, futex.2, get_mempolicy.2, get_robust_list.2, getitimer.2, getpriority.2, ioctl.2, ioctl_ficlonerange.2, ioctl_fideduperange.2, kcmp.2, kill.2, lookup_dcookie.2, mmap.2, mount.2, open.2, pciconfig_read.2, perf_event_open.2, prctl.2, process_vm_readv.2, ptrace.2, quotactl.2, recv.2, setfsgid.2, setfsuid.2, sysinfo.2, umask.2, umount.2, unshare.2, utimensat.2, wait.2, assert.3, fmax.3, fmin.3, getauxval.3, inet_pton.3, malloc_hook.3, memmem.3, mkdtemp.3, mktemp.3, printf.3, strcasecmp.3, strcat.3, strtoul.3, strxfrm.3, console_codes.4, console_ioctl.4, lirc.4, tty.4, vcs.4, charmap.5, elf.5, locale.5, proc.5, repertoiremap.5, utmp.5, capabilities.7, cgroup_namespaces.7, cgroups.7, charsets.7, cp1251.7, cp1252.7, credentials.7, feature_test_macros.7, iso_8859-1.7, iso_8859-15.7, iso_8859-5.7, koi8-r.7, koi8-u.7, man-pages.7, mount_namespaces.7, namespaces.7, netlink.7, pid_namespaces.7, unix.7, user_namespaces.7, utf-8.7: tstamp
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-07-17 18:10:19 +02:00
31cc838703
getunwind.2, prctl.2, aio_suspend.3, setenv.3: srcfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-06-20 14:00:37 +02:00
c1f78aba44
prctl.2: Refer reader to discussion of /proc/[pid]/timerslack_ns
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Under discussion of PR_SET_TIMERSLACK, refer the reader to
the /proc/[pid]/timerslack_ns file, documented in proc(5).
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-06-11 10:58:45 +02:00
3780f8a5e5
prctl.2: Some wording improvements in timer slack description
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-06-09 22:12:34 +02:00
8b41eea4fc
prctl.2: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-06-09 22:12:34 +02:00
1a8e1c2fae
prctl.2: wfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-06-09 22:12:34 +02:00
88ee5c1c61
prctl.2: tfix
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Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2016-02-28 14:39:46 +01:00
16f21c27f4
prctl.2: tfix
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Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-07 08:13:37 +01:00
c93f220249
Removed trailing white space at end of lines
2015-12-05 10:46:28 +01:00
6f3c74a8b9
mremap.2, open.2, perf_event_open.2, prctl.2, ptrace.2, reboot.2, seccomp.2, signalfd.2, syscalls.2, __ppc_set_ppr_med.3, daemon.3, dirfd.3, fgetgrent.3, fgetpwent.3, getauxval.3, getspnam.3, mallinfo.3, mallopt.3, posix_fallocate.3, termios.3, tty_ioctl.4, core.5, nsswitch.conf.5, proc.5, aio.7, capabilities.7, path_resolution.7, pipe.7, rtld-audit.7, signal.7, tcp.7: tstamp
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-05 10:46:28 +01:00
269e3b9711
prctl.2: Note that arg4 and arg5 must be zero for CAP_AMBIENT
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-04 16:06:19 +01:00
0354743157
prctl.2: Reorder options alphabetically
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Employ a pseudo-alphabetical order, ordering options after removal
of any "PR_", "PR_SET_", or "PR_GET" prefix.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-04 10:44:46 +01:00
0c3e75cbbb
prctl.2: RETURN VALUE: Add PR_CAP_AMBIENT + PR_CAP_AMBIENT_IS_SET case
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-04 10:44:45 +01:00
0c98b79aea
prctl.2: ERRORS: document PR_CAP_AMBIENT error cases
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-04 10:25:28 +01:00
0478944d12
prctl.2: Fix alphabetical misplacements in ERRORS
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-04 10:25:28 +01:00
12b75ea808
prctl.2: srcfix: remove commented-out error text
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The PR_SET_SECCOMP EPERM error path was never reachable in strict
mode, and the actual kernel code was removed in Linux 3.5.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-04 10:25:28 +01:00
8e1ae48f00
prctl.2: Correct kernel version for PR_CAP_AMBIENT
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-04 10:25:28 +01:00
4bf25b893f
prctl.2: Rework PR_CAP_AMBIENT text
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2015-12-04 10:25:28 +01:00
Mike Frysinger