53 lines
2.5 KiB
Diff
53 lines
2.5 KiB
Diff
From 561205a9c4fd0db341a93e227d249a6b6d03e2e1 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Sun, 4 Sep 2022 22:34:38 +0900
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Subject: [PATCH] mount-util: fix error code
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If multiple service is starting simultaneously with a shared image,
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then one of the service may fail to create a mount node:
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systemd[695]: Bind-mounting /usr/lib/os-release on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC "")...
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systemd[696]: Bind-mounting /usr/lib/os-release on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC "")...
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systemd[695]: Failed to mount /usr/lib/os-release (type n/a) on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC ""): No such file or directory
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systemd[696]: Failed to mount /usr/lib/os-release (type n/a) on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC ""): No such file or directory
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systemd[695]: Bind-mounting /usr/lib/os-release on /run/systemd/unit-root/run/host/os-release (MS_BIND|MS_REC "")...
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systemd[696]: Failed to create destination mount point node '/run/systemd/unit-root/run/host/os-release': Operation not permitted
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systemd[695]: Successfully mounted /usr/lib/os-release to /run/systemd/unit-root/run/host/os-release
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The function apply_one_mount() in src/core/namespace.c gracefully
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handles -EEXIST from make_mount_point_inode_from_path(), but it erroneously
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returned -EPERM previously. This fixes the issue.
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Fixes one of the issues in #24147, especially reported at
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https://github.com/systemd/systemd/issues/24147#issuecomment-1236194671.
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(cherry picked from commit b6ca2b281eff254dce2293990360e799af806ad4)
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(cherry picked from commit 24238be484e6d7633bc68c784f7b3180299a80d4)
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(cherry picked from commit 260633c50b5da5522b714d7989a138ecd73febd6)
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Conflict:NA
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Reference:https://github.com/systemd/systemd/commit/561205a9c4fd0db341a93e227d249a6b6d03e2e1
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---
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src/shared/mount-util.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/shared/mount-util.c b/src/shared/mount-util.c
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index 26618bb113..199ff6163d 100644
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--- a/src/shared/mount-util.c
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+++ b/src/shared/mount-util.c
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@@ -1089,8 +1089,10 @@ int make_mount_point_inode_from_stat(const struct stat *st, const char *dest, mo
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if (S_ISDIR(st->st_mode))
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return mkdir_label(dest, mode);
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+ else if (mknod(dest, S_IFREG|(mode & ~0111), 0) < 0)
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+ return -errno;
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else
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- return mknod(dest, S_IFREG|(mode & ~0111), 0);
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+ return 0;
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}
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int make_mount_point_inode_from_path(const char *source, const char *dest, mode_t mode) {
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--
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2.27.0
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