Messages in this thread | | | Date | Mon, 14 Aug 2023 16:12:28 +0200 | From | Florian Westphal <> | Subject | Re: [Patch net, v2] net: xfrm: skip policies marked as dead while reinserting policies |
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Dong Chenchen <dongchenchen2@huawei.com> wrote: > BUG: KASAN: slab-use-after-free in xfrm_policy_inexact_list_reinsert+0xb6/0x430 > Read of size 1 at addr ffff8881051f3bf8 by task ip/668 > > CPU: 2 PID: 668 Comm: ip Not tainted 6.5.0-rc5-00182-g25aa0bebba72-dirty #64 > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0x72/0xa0 > print_report+0xd0/0x620 > kasan_report+0xb6/0xf0 > xfrm_policy_inexact_list_reinsert+0xb6/0x430 > xfrm_policy_inexact_insert_node.constprop.0+0x537/0x800 > xfrm_policy_inexact_alloc_chain+0x23f/0x320 > xfrm_policy_inexact_insert+0x6b/0x590 > xfrm_policy_insert+0x3b1/0x480 > xfrm_add_policy+0x23c/0x3c0 > xfrm_user_rcv_msg+0x2d0/0x510 > netlink_rcv_skb+0x10d/0x2d0 > xfrm_netlink_rcv+0x49/0x60 > netlink_unicast+0x3fe/0x540 > netlink_sendmsg+0x528/0x970 > sock_sendmsg+0x14a/0x160 > ____sys_sendmsg+0x4fc/0x580 > ___sys_sendmsg+0xef/0x160 > __sys_sendmsg+0xf7/0x1b0 > do_syscall_64+0x3f/0x90 > entry_SYSCALL_64_after_hwframe+0x73/0xdd
Thanks for following up.
Acked-by: Florian Westphal <fw@strlen.de>
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