Messages in this thread Patch in this message | | | Date | Mon, 3 Apr 2006 11:55:37 -0400 | From | Vivek Goyal <> | Subject | [PATCH] kdump proc vmcore size oveflow fix |
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o Couple of /proc/vmcore data structures overflow with 32bit systems having memory more than 4G. This patch fixes those.
Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> ---
fs/proc/vmcore.c | 4 ++-- include/linux/proc_fs.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)
diff -puN include/linux/proc_fs.h~kdump-vmcore-size-overflow-bug-fix include/linux/proc_fs.h --- linux-2.6.16-mm2-16M/include/linux/proc_fs.h~kdump-vmcore-size-overflow-bug-fix 2006-04-03 10:20:01.000000000 -0400 +++ linux-2.6.16-mm2-16M-root/include/linux/proc_fs.h 2006-04-03 10:20:01.000000000 -0400 @@ -79,7 +79,7 @@ struct kcore_list { struct vmcore { struct list_head list; unsigned long long paddr; - unsigned long size; + unsigned long long size; loff_t offset; }; diff -puN fs/proc/vmcore.c~kdump-vmcore-size-overflow-bug-fix fs/proc/vmcore.c --- linux-2.6.16-mm2-16M/fs/proc/vmcore.c~kdump-vmcore-size-overflow-bug-fix 2006-04-03 10:20:01.000000000 -0400 +++ linux-2.6.16-mm2-16M-root/fs/proc/vmcore.c 2006-04-03 10:34:08.000000000 -0400 @@ -103,8 +103,8 @@ static ssize_t read_vmcore(struct file * size_t buflen, loff_t *fpos) { ssize_t acc = 0, tmp; - size_t tsz, nr_bytes; - u64 start; + size_t tsz; + u64 start, nr_bytes; struct vmcore *curr_m = NULL; if (buflen == 0 || *fpos >= vmcore_size) _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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