The patch titled
allow-access-to-proc-pid-fd-after-setuid-v2
has been added to the -mm tree. Its filename is
allow-access-to-proc-pid-fd-after-setuid-update.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: allow-access-to-proc-pid-fd-after-setuid-v2
From: Alexey Dobriyan <[EMAIL PROTECTED]>
crap, Pavel reminded that get_proc_task() can return NULL.
Signed-off-by: Alexey Dobriyan <[EMAIL PROTECTED]>
Cc: "Eric W. Biederman" <[EMAIL PROTECTED]>
Cc: James Morris <[EMAIL PROTECTED]>
Cc: Chris Wright <[EMAIL PROTECTED]>
Cc: Ulrich Drepper <[EMAIL PROTECTED]>
Cc: Oleg Nesterov <[EMAIL PROTECTED]>
Cc: Kirill Korotaev <[EMAIL PROTECTED]>
Cc: Al Viro <[EMAIL PROTECTED]>
Cc: Christoph Hellwig <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
fs/proc/base.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff -puN fs/proc/base.c~allow-access-to-proc-pid-fd-after-setuid-update
fs/proc/base.c
--- a/fs/proc/base.c~allow-access-to-proc-pid-fd-after-setuid-update
+++ a/fs/proc/base.c
@@ -1427,9 +1427,11 @@ static int proc_fd_permission(struct ino
if (rv == 0)
return 0;
tsk = get_proc_task(inode);
- if (tsk == current)
- rv = 0;
- put_task_struct(tsk);
+ if (tsk) {
+ if (tsk == current)
+ rv = 0;
+ put_task_struct(tsk);
+ }
return rv;
}
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
revert-x86_64-mm-msr-on-cpu.patch
rdmsr_on_cpu-wrmsr_on_cpu.patch
p4-clockmod-use-rdmsr_on_cpu-wrmsr_on_cpu.patch
sysctl_ms_jiffies-fix-oldlen-semantics.patch
consolidate-default-sched_clock.patch
fix-rmmod-read-write-races-in-proc-entries.patch
sn2-use-static-proc_fops.patch
consolidate-bust_spinlocks.patch
extract-and-use-wake_up_klogd.patch
allow-access-to-proc-pid-fd-after-setuid.patch
allow-access-to-proc-pid-fd-after-setuid-fix.patch
allow-access-to-proc-pid-fd-after-setuid-update.patch
lutimesat-simplify-utime2.patch
lutimesat-extend-do_utimes-with-flags.patch
lutimesat-actual-syscall-and-wire-up-on-i386.patch
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