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author | Alexey Gladkov <legion@kernel.org> | 2021-04-22 14:27:13 +0200 |
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committer | Eric W. Biederman <ebiederm@xmission.com> | 2021-04-30 14:14:02 -0500 |
commit | d64696905554e919321e31afc210606653b8f6a4 (patch) | |
tree | 7c153f685f7e89823fc6c0b3e420d8fff12037df /include/linux/signal_types.h | |
parent | 6e52a9f0532f912af37bab4caf18b57d1b9845f4 (diff) | |
download | linux-stable-d64696905554e919321e31afc210606653b8f6a4.tar.gz linux-stable-d64696905554e919321e31afc210606653b8f6a4.tar.bz2 linux-stable-d64696905554e919321e31afc210606653b8f6a4.zip |
Reimplement RLIMIT_SIGPENDING on top of ucounts
The rlimit counter is tied to uid in the user_namespace. This allows
rlimit values to be specified in userns even if they are already
globally exceeded by the user. However, the value of the previous
user_namespaces cannot be exceeded.
Changelog
v11:
* Revert most of changes to fix performance issues.
v10:
* Fix memory leak on get_ucounts failure.
Signed-off-by: Alexey Gladkov <legion@kernel.org>
Link: https://lkml.kernel.org/r/df9d7764dddd50f28616b7840de74ec0f81711a8.1619094428.git.legion@kernel.org
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'include/linux/signal_types.h')
-rw-r--r-- | include/linux/signal_types.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/signal_types.h b/include/linux/signal_types.h index 68e06c75c5b2..34cb28b8f16c 100644 --- a/include/linux/signal_types.h +++ b/include/linux/signal_types.h @@ -13,6 +13,8 @@ typedef struct kernel_siginfo { __SIGINFO; } kernel_siginfo_t; +struct ucounts; + /* * Real Time signals may be queued. */ @@ -21,7 +23,7 @@ struct sigqueue { struct list_head list; int flags; kernel_siginfo_t info; - struct user_struct *user; + struct ucounts *ucounts; }; /* flags values. */ |