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author | smitsohu <smitsohu@gmail.com> | 2018-08-29 01:42:45 +0200 |
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committer | smitsohu <smitsohu@gmail.com> | 2018-08-29 01:42:45 +0200 |
commit | 88c4986c5d907c600c2df2ee96e4bb2aa3cdc631 (patch) | |
tree | 70bd49b5a0b4896c34a4b64b3b087439b726b8fc /src | |
parent | cleanup (diff) | |
download | firejail-88c4986c5d907c600c2df2ee96e4bb2aa3cdc631.tar.gz firejail-88c4986c5d907c600c2df2ee96e4bb2aa3cdc631.tar.zst firejail-88c4986c5d907c600c2df2ee96e4bb2aa3cdc631.zip |
silence warning about failed unmounting of /sys (overlay options)
Diffstat (limited to 'src')
-rw-r--r-- | src/firejail/fs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/firejail/fs.c b/src/firejail/fs.c index 98efb5e41..08b268d93 100644 --- a/src/firejail/fs.c +++ b/src/firejail/fs.c | |||
@@ -571,8 +571,11 @@ void fs_proc_sys_dev_boot(void) { | |||
571 | /* Mount a version of /sys that describes the network namespace */ | 571 | /* Mount a version of /sys that describes the network namespace */ |
572 | if (arg_debug) | 572 | if (arg_debug) |
573 | printf("Remounting /sys directory\n"); | 573 | printf("Remounting /sys directory\n"); |
574 | if (umount2("/sys", MNT_DETACH) < 0) | 574 | // if this is an overlay, just mount a new /sys on top of the upper layer |
575 | fwarning("failed to unmount /sys\n"); | 575 | if (!arg_overlay) { |
576 | if (umount2("/sys", MNT_DETACH) < 0) | ||
577 | fwarning("failed to unmount /sys\n"); | ||
578 | } | ||
576 | if (mount("sysfs", "/sys", "sysfs", MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_REC, NULL) < 0) | 579 | if (mount("sysfs", "/sys", "sysfs", MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_REC, NULL) < 0) |
577 | fwarning("failed to mount /sys\n"); | 580 | fwarning("failed to mount /sys\n"); |
578 | else | 581 | else |