From 8df955a32a73315055e0cd187cbb1cea5820394b Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Mon, 30 Dec 2019 11:48:10 -0800 Subject: pstore/ram: Fix error-path memory leak in persistent_ram_new() callers For callers that allocated a label for persistent_ram_new(), if the call fails, they must clean up the allocation. Suggested-by: Navid Emamdoost Fixes: 1227daa43bce ("pstore/ram: Clarify resource reservation labels") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/lkml/20191211191353.14385-1-navid.emamdoost@gmail.com Signed-off-by: Kees Cook --- fs/pstore/ram.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs') diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 8caff834f002..f753f3b6f88d 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -577,6 +577,7 @@ static int ramoops_init_przs(const char *name, dev_err(dev, "failed to request %s mem region (0x%zx@0x%llx): %d\n", name, record_size, (unsigned long long)*paddr, err); + kfree(label); while (i > 0) { i--; @@ -622,6 +623,7 @@ static int ramoops_init_prz(const char *name, dev_err(dev, "failed to request %s mem region (0x%zx@0x%llx): %d\n", name, sz, (unsigned long long)*paddr, err); + kfree(label); return err; } -- cgit v1.2.3-59-g8ed1b