rebase patches on top of Ubuntu-5.11.0-26.28
(generated with debian/scripts/import-upstream-tag) Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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@ -10,10 +10,10 @@ Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/net/core/dev.c b/net/core/dev.c
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index 76e593a4cc30..c1e9097e7a08 100644
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index b91b76890cbc..cb7ffc3e848b 100644
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--- a/net/core/dev.c
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+++ b/net/core/dev.c
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@@ -10346,7 +10346,7 @@ static void netdev_wait_allrefs(struct net_device *dev)
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@@ -10365,7 +10365,7 @@ static void netdev_wait_allrefs(struct net_device *dev)
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refcnt = netdev_refcnt_read(dev);
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if (refcnt && time_after(jiffies, warning_time + 10 * HZ)) {
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@ -1,34 +0,0 @@
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From 8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b Mon Sep 17 00:00:00 2001
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From: Eric Sandeen <sandeen@redhat.com>
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Date: Tue, 13 Jul 2021 17:49:23 +0200
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Subject: seq_file: disallow extremely large seq buffer allocations
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There is no reasonable need for a buffer larger than this, and it avoids
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int overflow pitfalls.
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Fixes: 058504edd026 ("fs/seq_file: fallback to vmalloc allocation")
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Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
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Reported-by: Qualys Security Advisory <qsa@qualys.com>
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Signed-off-by: Eric Sandeen <sandeen@redhat.com>
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Cc: stable@kernel.org
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Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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---
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fs/seq_file.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/fs/seq_file.c b/fs/seq_file.c
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index b117b212ef288..4a2cda04d3e29 100644
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--- a/fs/seq_file.c
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+++ b/fs/seq_file.c
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@@ -32,6 +32,9 @@ static void seq_set_overflow(struct seq_file *m)
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static void *seq_buf_alloc(unsigned long size)
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{
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+ if (unlikely(size > MAX_RW_COUNT))
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+ return NULL;
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+
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return kvmalloc(size, GFP_KERNEL_ACCOUNT);
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}
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--
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cgit 1.2.3-1.el7
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