From 99d80ac905364a56e7e1d3aba7071ce0da365c4a Mon Sep 17 00:00:00 2001 From: CentOS Sources Date: Jan 31 2018 16:22:21 +0000 Subject: import systemd-219-42.el7_4.7 --- diff --git a/SOURCES/0507-automount-ack-automount-requests-even-when-already-m.patch b/SOURCES/0507-automount-ack-automount-requests-even-when-already-m.patch new file mode 100644 index 0000000..2ed105b --- /dev/null +++ b/SOURCES/0507-automount-ack-automount-requests-even-when-already-m.patch @@ -0,0 +1,82 @@ +From 164bd929f1c85026f21ed493d11d3b4d1b94421d Mon Sep 17 00:00:00 2001 +From: Jan Synacek +Date: Wed, 17 Jan 2018 09:13:24 +0100 +Subject: [PATCH] automount: ack automount requests even when already mounted + +If a process accesses an autofs filesystem while systemd is in the +middle of starting the mount unit on top of it, it is possible for the +autofs_ptype_missing_direct request from the kernel to be received after +the mount unit has been fully started: + + systemd forks and execs mount ... + ... access autofs, blocks + mount exits ... + systemd receives SIGCHLD ... + ... kernel sends request + systemd receives request ... + +systemd needs to respond to this request, otherwise the kernel will +continue to block access to the mount point. + +(cherry picked from commit e7d54bf58789545a9eb0b3964233defa0b007318) + +Resolves: #1535135 +--- + src/core/automount.c | 28 ++++++++++++++++------------ + 1 file changed, 16 insertions(+), 12 deletions(-) + +diff --git a/src/core/automount.c b/src/core/automount.c +index 4e066613d..9e05963e9 100644 +--- a/src/core/automount.c ++++ b/src/core/automount.c +@@ -692,7 +692,7 @@ static int automount_start_expire(Automount *a) { + automount_dispatch_expire, a); + } + +-static void automount_enter_runnning(Automount *a) { ++static void automount_enter_running(Automount *a) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + struct stat st; + int r; +@@ -718,18 +718,22 @@ static void automount_enter_runnning(Automount *a) { + goto fail; + } + +- if (!S_ISDIR(st.st_mode) || st.st_dev != a->dev_id) ++ /* The mount unit may have been explicitly started before we got the ++ * autofs request. Ack it to unblock anything waiting on the mount point. */ ++ if (!S_ISDIR(st.st_mode) || st.st_dev != a->dev_id) { + log_unit_info(UNIT(a)->id, + "%s's automount point already active?", UNIT(a)->id); +- else { +- r = manager_add_job(UNIT(a)->manager, JOB_START, UNIT_TRIGGER(UNIT(a)), +- JOB_REPLACE, true, &error, NULL); +- if (r < 0) { +- log_unit_warning(UNIT(a)->id, +- "%s failed to queue mount startup job: %s", +- UNIT(a)->id, bus_error_message(&error, r)); +- goto fail; +- } ++ automount_send_ready(a, a->tokens, 0); ++ return; ++ } ++ ++ r = manager_add_job(UNIT(a)->manager, JOB_START, UNIT_TRIGGER(UNIT(a)), ++ JOB_REPLACE, true, &error, NULL); ++ if (r < 0) { ++ log_unit_warning(UNIT(a)->id, ++ "%s failed to queue mount startup job: %s", ++ UNIT(a)->id, bus_error_message(&error, r)); ++ goto fail; + } + + r = automount_start_expire(a); +@@ -953,7 +957,7 @@ static int automount_dispatch_io(sd_event_source *s, int fd, uint32_t events, vo + goto fail; + } + +- automount_enter_runnning(a); ++ automount_enter_running(a); + break; + + case autofs_ptype_expire_direct: diff --git a/SPECS/systemd.spec b/SPECS/systemd.spec index 4f3689a..7952dbf 100644 --- a/SPECS/systemd.spec +++ b/SPECS/systemd.spec @@ -7,7 +7,7 @@ Name: systemd Url: http://www.freedesktop.org/wiki/Software/systemd Version: 219 -Release: 42%{?dist}.6 +Release: 42%{?dist}.7 # For a breakdown of the licensing, see README License: LGPLv2+ and MIT and GPLv2+ Summary: A System and Service Manager @@ -545,6 +545,7 @@ Patch0503: 0503-unmount-Pass-in-mount-options-when-remounting-read-o.patch Patch0504: 0504-shutdown-don-t-remount-ro-network-filesystems.-6588.patch Patch0505: 0505-shutdown-fix-incorrect-fscanf-result-check-6806.patch Patch0506: 0506-manager-fix-connecting-to-bus-when-dbus-is-actually-.patch +Patch0507: 0507-automount-ack-automount-requests-even-when-already-m.patch %global num_patches %{lua: c=0; for i,p in ipairs(patches) do c=c+1; end; print(c);} @@ -1513,6 +1514,9 @@ fi %{_mandir}/man8/systemd-resolved.* %changelog +* Wed Jan 17 2018 Lukas Nykryn - 219-42.7 +- automount: ack automount requests even when already mounted (#1535135) + * Tue Jan 09 2018 Lukas Nykryn - 219-42.6 - manager: fix connecting to bus when dbus is actually around (#7205) (#1465737)