Resolves: #2066199 - ls, stat: avoid triggering automounts

This commit is contained in:
Kamil Dudka 2022-03-21 08:48:08 +01:00
parent e7b9f0f725
commit aa22fcfc31
2 changed files with 91 additions and 0 deletions

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@ -0,0 +1,87 @@
From f4422844dbcd839ce486bcbc15b7bd5b72c9198d Mon Sep 17 00:00:00 2001
From: Rohan Sable <rsable@redhat.com>
Date: Mon, 7 Mar 2022 14:14:13 +0000
Subject: [PATCH 1/2] ls: avoid triggering automounts
statx() has different defaults wrt automounting
compared to stat() or lstat(), so explicitly
set the AT_NO_AUTOMOUNT flag to suppress that behavior,
and avoid unintended operations or potential errors.
* src/ls.c (do_statx): Pass AT_NO_AUTOMOUNT to avoid this behavior.
Fixes https://bugs.gnu.org/54286
Signed-off-by: Rohan Sable <rsable@redhat.com>
Upstream-commit: 85c975df2c25bd799370b04bb294e568e001102f
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
src/ls.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/ls.c b/src/ls.c
index 1047801..fe0e9f8 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -1175,7 +1175,7 @@ do_statx (int fd, char const *name, struct stat *st, int flags,
{
struct statx stx;
bool want_btime = mask & STATX_BTIME;
- int ret = statx (fd, name, flags, mask, &stx);
+ int ret = statx (fd, name, flags | AT_NO_AUTOMOUNT, mask, &stx);
if (ret >= 0)
{
statx_to_stat (&stx, st);
--
2.34.1
From 3d227f9e4f3fe806064721e4b9451ee06526bc80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
Date: Mon, 7 Mar 2022 23:29:20 +0000
Subject: [PATCH 2/2] stat: only automount with --cached=never
Revert to the default behavior before the introduction of statx().
* src/stat.c (do_stat): Set AT_NO_AUTOMOUNT without --cached=never.
* doc/coreutils.texi (stat invocation): Mention the automount
behavior with --cached=never.
Fixes https://bugs.gnu.org/54287
Upstream-commit: 92cb8427c537f37edd43c5cef1909585201372ab
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
doc/coreutils.texi | 1 +
src/stat.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 19b535c..0f5c16a 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -12564,6 +12564,7 @@ Always read the already cached attributes if available.
@item never
Always sychronize with the latest file system attributes.
+This also mounts automounted files.
@item default
Leave the caching behavior to the underlying file system.
diff --git a/src/stat.c b/src/stat.c
index 0c34501..803340a 100644
--- a/src/stat.c
+++ b/src/stat.c
@@ -1381,6 +1381,9 @@ do_stat (char const *filename, char const *format, char const *format2)
else if (force_sync)
flags |= AT_STATX_FORCE_SYNC;
+ if (! force_sync)
+ flags |= AT_NO_AUTOMOUNT;
+
fd = statx (fd, pathname, flags, format_to_mask (format), &stx);
if (fd < 0)
{
--
2.34.1

View File

@ -64,6 +64,9 @@ Patch16: coreutils-8.32-tail-use-poll.patch
# df: fix duplicated remote entries due to bind mounts (#1979814)
Patch17: coreutils-8.32-df-duplicated-entries.patch
# ls, stat: avoid triggering automounts (#2044981)
Patch18: coreutils-9.0-autofs-no-mount.patch
# disable the test-lock gnulib test prone to deadlock
Patch100: coreutils-8.26-test-lock.patch
@ -321,6 +324,7 @@ rm -f $RPM_BUILD_ROOT%{_infodir}/dir
%changelog
* Tue Mar 01 2022 Kamil Dudka <kdudka@redhat.com> - 8.32-32
- ls, stat: avoid triggering automounts (#2044981)
- make `df --direct` work again (#2058686)
* Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com>