From: kernel test robot <oliver.sang@intel.com>
To: luoqing <l1138897701@163.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<linux-sctp@vger.kernel.org>, <ltp@lists.linux.it>,
<marcelo.leitner@gmail.com>, <lucien.xin@gmail.com>,
<davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>,
<pabeni@redhat.com>, <horms@kernel.org>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <oliver.sang@intel.com>
Subject: Re: [PATCH net v4] sctp: socket: refactor sctp_skb_recv_datagram to use ERR_PTR
Date: Thu, 30 Jul 2026 21:55:44 +0800 [thread overview]
Message-ID: <202607301544.5b1c926f-lkp@intel.com> (raw)
In-Reply-To: <20260720082145.1072547-1-l1138897701@163.com>
Hello,
kernel test robot noticed "Oops: general protection fault" on:
commit: 2ddbfeaa8f2cc0bbcf3f9b731ad0845142e8688d ("[PATCH net v4] sctp: socket: refactor sctp_skb_recv_datagram to use ERR_PTR")
url: https://github.com/intel-lab-lkp/linux/commits/luoqing/sctp-socket-refactor-sctp_skb_recv_datagram-to-use-ERR_PTR/20260720-162305
base: https://git.kernel.org/cgit/linux/kernel/git/davem/net.git e13caf1c26587434f0b768193100440939c0fb91
patch link: https://lore.kernel.org/all/20260720082145.1072547-1-l1138897701@163.com/
patch subject: [PATCH net v4] sctp: socket: refactor sctp_skb_recv_datagram to use ERR_PTR
in testcase: ltp
version:
with following parameters:
test: net.sctp
config: x86_64-rhel-9.4-ltp
compiler: gcc-14
test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz (Skylake) with 16G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202607301544.5b1c926f-lkp@intel.com
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260730/202607301544.5b1c926f-lkp@intel.com
[ 336.463290][ T3393] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] SMP KASAN PTI
[ 336.464727][ T3393] KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077]
[ 336.466093][ T3393] CPU: 0 UID: 0 PID: 3393 Comm: test_1_to_1_rec Not tainted 7.2.0-rc3+ #1 PREEMPT(lazy)
[ 336.467502][ T3393] Hardware name: System manufacturer System Product Name/Z170I PRO GAMING, BIOS 3805 05/16/2018
[ 336.468800][ T3393] RIP: 0010:sctp_recvmsg+0x12f/0xa70 [sctp]
[ 336.470112][ T3393] Code: f6 ff ff 49 89 c5 41 89 c7 48 3d 00 f0 ff ff 0f 87 07 03 00 00 48 8d 78 70 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ce 06 00 00 49 63 45 70 48 8d
[ 336.471545][ T3393] RSP: 0018:ffffc9000309f800 EFLAGS: 00010202
[ 336.472903][ T3393] RAX: dffffc0000000000 RBX: ffffc9000309fb78 RCX: fffff52000613ee5
[ 336.474278][ T3393] RDX: 000000000000000e RSI: 0000000000000000 RDI: 0000000000000070
[ 336.475604][ T3393] RBP: 0000000000010000 R08: ffff88826af3d25c R09: fffff52000613eee
[ 336.477012][ T3393] R10: ffffc9000309f777 R11: ffffc9000309fb80 R12:
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2026-07-30 13:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-20 8:21 [PATCH net v4] sctp: socket: refactor sctp_skb_recv_datagram to use ERR_PTR luoqing
2026-07-20 13:33 ` [syzbot ci] " syzbot ci
2026-07-30 13:55 ` kernel test robot [this message]
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