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| author | Sasha Levin <sasha.levin@oracle.com> | 2016-05-04 10:18:15 -0400 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2016-05-04 10:54:05 -0700 |
| commit | 74f430cd0fdee1bdfb25708ee1e52fc860535a89 (patch) | |
| tree | 680fa0263011749210469b5aa4f20f98a2aa6644 /security | |
| parent | 470bf1f27a1472264d18c84b324389509f0e30b3 (diff) | |
| download | lwn-74f430cd0fdee1bdfb25708ee1e52fc860535a89.tar.gz lwn-74f430cd0fdee1bdfb25708ee1e52fc860535a89.zip | |
Yama: use atomic allocations when reporting
Access reporting often happens from atomic contexes. Avoid
lockups when allocating memory for command lines.
Fixes: 8a56038c2ae ("Yama: consolidate error reporting")
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/yama/yama_lsm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c index c19f6e5df9a3..9b756b1f3dc5 100644 --- a/security/yama/yama_lsm.c +++ b/security/yama/yama_lsm.c @@ -47,8 +47,8 @@ static void report_access(const char *access, struct task_struct *target, { char *target_cmd, *agent_cmd; - target_cmd = kstrdup_quotable_cmdline(target, GFP_KERNEL); - agent_cmd = kstrdup_quotable_cmdline(agent, GFP_KERNEL); + target_cmd = kstrdup_quotable_cmdline(target, GFP_ATOMIC); + agent_cmd = kstrdup_quotable_cmdline(agent, GFP_ATOMIC); pr_notice_ratelimited( "ptrace %s of \"%s\"[%d] was attempted by \"%s\"[%d]\n", |