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Message-ID: <000000000000bdd014061dd727b5@google.com>
Date: Mon, 22 Jul 2024 07:49:42 -0700
From: syzbot <syzbot+61a1cfc2b6632363d319@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org
Subject: Re: [syzbot] Re: [syzbot] [bpf?] [net?] general protection fault in __xsk_map_flush
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Subject: Re: [syzbot] [bpf?] [net?] general protection fault in __xsk_map_flush
Author: aha310510@...il.com
#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
---
include/linux/filter.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/filter.h b/include/linux/filter.h
index b6672ff61407..22691015d175 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -842,15 +842,15 @@ static inline void bpf_net_ctx_get_all_used_flush_lists(struct list_head **lh_ma
if (!IS_ENABLED(CONFIG_BPF_SYSCALL))
return;
- lh = &bpf_net_ctx->dev_map_flush_list;
+ lh = this_cpu_ptr(&bpf_net_ctx->dev_map_flush_list);
if (kern_flags & BPF_RI_F_DEV_MAP_INIT && !list_empty(lh))
*lh_dev = lh;
- lh = &bpf_net_ctx->cpu_map_flush_list;
+ lh = this_cpu_ptr(&bpf_net_ctx->cpu_map_flush_list);
if (kern_flags & BPF_RI_F_CPU_MAP_INIT && !list_empty(lh))
*lh_map = lh;
- lh = &bpf_net_ctx->xskmap_map_flush_list;
+ lh = this_cpu_ptr(&bpf_net_ctx->xskmap_map_flush_list);
if (IS_ENABLED(CONFIG_XDP_SOCKETS) &&
kern_flags & BPF_RI_F_XSK_MAP_INIT && !list_empty(lh))
*lh_xsk = lh;
--
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