linux-kernel - [PATCH] elf: don't hash userspace addresses

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Date:   Sat, 5 May 2018 00:23:08 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, mhocko@...e.com,
        penguin-kernel@...ove.SAKURA.ne.jp
Subject: [PATCH] elf: don't hash userspace addresses

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 fs/binfmt_elf.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -379,8 +379,8 @@ static unsigned long elf_map(struct file *filep, unsigned long addr,
 
 	if ((type & MAP_FIXED_NOREPLACE) &&
 	    PTR_ERR((void *)map_addr) == -EEXIST)
-		pr_info("%d (%s): Uhuuh, elf segment at %px requested but the memory is mapped already\n",
-			task_pid_nr(current), current->comm, (void *)addr);
+		pr_info("%d (%s): Uhuuh, elf segment at %lx requested but the memory is mapped already\n",
+			task_pid_nr(current), current->comm, addr);
 
 	return(map_addr);
 }