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Stanislav Kinsbursky 05f564849d proc: check vma->vm_file before dereferencing ... Commit 7b540d0646 ("proc_map_files_readdir(): don't bother with grabbing files") switched proc_map_files_readdir() to use @f_mode directly instead of grabbing @file reference, but same time the test for @vm_file presence was lost leading to nil dereference. The patch brings the test back. The all proc_map_files feature is CONFIG_CHECKPOINT_RESTORE wrapped (which is set to 'n' by default) so the bug doesn't affect regular kernels. The regression is 3.7-rc1 only as far as I can tell. [gorcunov@openvz.org: provided changelog] Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Acked-by: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		12 years ago
..
Kconfig	kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT	14 years ago
Makefile	procfs: Move /proc/pid/fd[info] handling code to fd.[ch]	13 years ago
array.c	c/r: procfs: add arg_start/end, env_start/end and exit_code members to /proc/$pid/stat	13 years ago
base.c	proc: check vma->vm_file before dereferencing	12 years ago
cmdline.c	…
consoles.c	console: rename acquire/release_console_sem() to console_lock/unlock()	14 years ago
cpuinfo.c	…
devices.c	proc: use seq_puts()/seq_putc() where possible	14 years ago
fd.c	don't leak O_CLOEXEC into ->f_flags	13 years ago
fd.h	procfs: Move /proc/pid/fd[info] handling code to fd.[ch]	13 years ago
generic.c	proc: use kzalloc instead of kmalloc and memset	13 years ago
inode.c	proc: no need to initialize proc_inode->fd in proc_get_inode()	13 years ago
internal.h	hold task->mempolicy while numa_maps scans.	12 years ago
interrupts.c	…
kcore.c	fs/proc/kcore.c: make get_sparsemem_vmemmap_info() static	13 years ago
kmsg.c	…
loadavg.c	…
meminfo.c	fs/proc/meminfo.c: fix compilation error	13 years ago
mmu.c	…
namespaces.c	stop passing nameidata to ->lookup()	13 years ago
nommu.c	…
page.c	kpageflags: fix wrong KPF_THP on non-huge compound pages	13 years ago
proc_devtree.c	of: Improve prom_update_property() function	13 years ago
proc_net.c	stop passing nameidata to ->lookup()	13 years ago
proc_sysctl.c	rbtree: fix incorrect rbtree node insertion in fs/proc/proc_sysctl.c	13 years ago
proc_tty.c	proc: use seq_puts()/seq_putc() where possible	14 years ago
root.c	fs/proc/root.c: use NULL instead of 0 for pointer	13 years ago
softirqs.c	proc: use seq_puts()/seq_putc() where possible	14 years ago
stat.c	nohz: Fix idle ticks in cpu summary line of /proc/stat	13 years ago
task_mmu.c	hold task->mempolicy while numa_maps scans.	12 years ago
task_nommu.c	proc: remove mm_for_maps()	13 years ago
uptime.c	Merge branch 'sched/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into cputime-tip	13 years ago
version.c	…
vmcore.c	fadump: Introduce cleanup routine to invalidate /proc/vmcore.	13 years ago