On Tue, Jul 21, 2015 at 05:58:43PM +0300, Konstantin Khlebnikov wrote:
> This fixes small memory leak after each successful mount.
> Kmemleak report:
>
> unreferenced object 0xffff88003683fe00 (size 16):
> comm "mount", pid 2029, jiffies 4294909563 (age 33.380s)
> hex dump (first 16 bytes):
> 20 27 1f bb 00 88 ff ff 40 4b 0f 36 02 88 ff ff '......@K.6....
> backtrace:
> [<ffffffff811f8cd4>] create_object+0x124/0x2c0
> [<ffffffff817a059b>] kmemleak_alloc+0x7b/0xc0
> [<ffffffff811dffe6>] __kmalloc+0x106/0x340
> [<ffffffffa01b7a29>] ovl_fill_super+0x389/0x9a0 [overlay]
> [<ffffffff81200ac4>] mount_nodev+0x54/0xa0
> [<ffffffffa01b7118>] ovl_mount+0x18/0x20 [overlay]
> [<ffffffff81201ab3>] mount_fs+0x43/0x170
> [<ffffffff81220d34>] vfs_kern_mount+0x74/0x170
> [<ffffffff812233ad>] do_mount+0x22d/0xdf0
> [<ffffffff812242cb>] SyS_mount+0x7b/0xc0
> [<ffffffff817b6bee>] entry_SYSCALL_64_fastpath+0x12/0x76
> [<ffffffffffffffff>] 0xffffffffffffffff
>
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
> Fixes: a78d9f0d5d5c ("ovl: support multiple lower layers")
> ---
> fs/overlayfs/super.c | 1 +
> 1 file changed, 1 insertion(+)
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read Documentation/stable_kernel_rules.txt
for how to do this properly.
</formletter>
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