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author | Linus Torvalds | 2014-04-12 21:38:53 +0200 |
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committer | Linus Torvalds | 2014-04-12 21:38:53 +0200 |
commit | 0b747172dce6e0905ab173afbaffebb7a11d89bd (patch) | |
tree | cef4092aa49bd44d4759b58762bfa221dac45f57 /fs | |
parent | Merge branch 'async-scsi-resume' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
parent | AUDIT: make audit_is_compat depend on CONFIG_AUDIT_COMPAT_GENERIC (diff) | |
download | kernel-qcow2-linux-0b747172dce6e0905ab173afbaffebb7a11d89bd.tar.gz kernel-qcow2-linux-0b747172dce6e0905ab173afbaffebb7a11d89bd.tar.xz kernel-qcow2-linux-0b747172dce6e0905ab173afbaffebb7a11d89bd.zip |
Merge git://git.infradead.org/users/eparis/audit
Pull audit updates from Eric Paris.
* git://git.infradead.org/users/eparis/audit: (28 commits)
AUDIT: make audit_is_compat depend on CONFIG_AUDIT_COMPAT_GENERIC
audit: renumber AUDIT_FEATURE_CHANGE into the 1300 range
audit: do not cast audit_rule_data pointers pointlesly
AUDIT: Allow login in non-init namespaces
audit: define audit_is_compat in kernel internal header
kernel: Use RCU_INIT_POINTER(x, NULL) in audit.c
sched: declare pid_alive as inline
audit: use uapi/linux/audit.h for AUDIT_ARCH declarations
syscall_get_arch: remove useless function arguments
audit: remove stray newline from audit_log_execve_info() audit_panic() call
audit: remove stray newlines from audit_log_lost messages
audit: include subject in login records
audit: remove superfluous new- prefix in AUDIT_LOGIN messages
audit: allow user processes to log from another PID namespace
audit: anchor all pid references in the initial pid namespace
audit: convert PPIDs to the inital PID namespace.
pid: get pid_t ppid of task in init_pid_ns
audit: rename the misleading audit_get_context() to audit_take_context()
audit: Add generic compat syscall support
audit: Add CONFIG_HAVE_ARCH_AUDITSYSCALL
...
Diffstat (limited to 'fs')
-rw-r--r-- | fs/proc/base.c | 36 |
1 files changed, 2 insertions, 34 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 6b7087e2e8fb..2d696b0c93bf 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -200,41 +200,9 @@ static int proc_root_link(struct dentry *dentry, struct path *path) return result; } -static int proc_pid_cmdline(struct task_struct *task, char * buffer) +static int proc_pid_cmdline(struct task_struct *task, char *buffer) { - int res = 0; - unsigned int len; - struct mm_struct *mm = get_task_mm(task); - if (!mm) - goto out; - if (!mm->arg_end) - goto out_mm; /* Shh! No looking before we're done */ - - len = mm->arg_end - mm->arg_start; - - if (len > PAGE_SIZE) - len = PAGE_SIZE; - - res = access_process_vm(task, mm->arg_start, buffer, len, 0); - - // If the nul at the end of args has been overwritten, then - // assume application is using setproctitle(3). - if (res > 0 && buffer[res-1] != '\0' && len < PAGE_SIZE) { - len = strnlen(buffer, res); - if (len < res) { - res = len; - } else { - len = mm->env_end - mm->env_start; - if (len > PAGE_SIZE - res) - len = PAGE_SIZE - res; - res += access_process_vm(task, mm->env_start, buffer+res, len, 0); - res = strnlen(buffer, res); - } - } -out_mm: - mmput(mm); -out: - return res; + return get_cmdline(task, buffer, PAGE_SIZE); } static int proc_pid_auxv(struct task_struct *task, char *buffer) |