list_del corruption, ffff888016794880->prev is LIST_POISON2 (dead000000000122) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:48! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9898 Comm: syz-executor.3 Not tainted 5.13.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid.cold+0x37/0x4a lib/list_debug.c:48 Code: f2 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 e0 64 c2 89 e8 49 91 f2 ff 0f 0b 4c 89 e2 48 89 ee 48 c7 c7 40 65 c2 89 e8 35 91 f2 ff <0f> 0b 48 89 ee 48 c7 c7 00 66 c2 89 e8 24 91 f2 ff 0f 0b 83 c3 01 RSP: 0018:ffffc9000b027438 EFLAGS: 00010286 RAX: 000000000000004e RBX: 00000000ffffffff RCX: 0000000000000000 RDX: ffff88803bfb4240 RSI: ffffffff815c1805 RDI: fffff52001604e79 RBP: ffff888016794880 R08: 000000000000004e R09: 0000000000000000 R10: ffffffff815bb63e R11: 0000000000000000 R12: dead000000000122 R13: ffff8880137e7070 R14: ffff888016794880 R15: 0000000000000000 FS: 00007faf39583700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000193f708 CR3: 0000000022b92000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:132 [inline] list_del_rcu include/linux/rculist.h:166 [inline] __team_queue_override_port_del drivers/net/team/team.c:819 [inline] team_queue_override_port_prio_changed drivers/net/team/team.c:876 [inline] team_priority_option_set+0x169/0x2e0 drivers/net/team/team.c:1519 team_option_set drivers/net/team/team.c:374 [inline] team_nl_cmd_options_set+0x6f9/0xc70 drivers/net/team/team.c:2645 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007faf39583188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 000000000000000e RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 R13: 00007ffc25d3781f R14: 00007faf39583300 R15: 0000000000022000 Modules linked in: ---[ end trace f700e33e574e1c6b ]--- RIP: 0010:__list_del_entry_valid.cold+0x37/0x4a lib/list_debug.c:48 Code: f2 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 e0 64 c2 89 e8 49 91 f2 ff 0f 0b 4c 89 e2 48 89 ee 48 c7 c7 40 65 c2 89 e8 35 91 f2 ff <0f> 0b 48 89 ee 48 c7 c7 00 66 c2 89 e8 24 91 f2 ff 0f 0b 83 c3 01 RSP: 0018:ffffc9000b027438 EFLAGS: 00010286 RAX: 000000000000004e RBX: 00000000ffffffff RCX: 0000000000000000 RDX: ffff88803bfb4240 RSI: ffffffff815c1805 RDI: fffff52001604e79 RBP: ffff888016794880 R08: 000000000000004e R09: 0000000000000000 R10: ffffffff815bb63e R11: 0000000000000000 R12: dead000000000122 R13: ffff8880137e7070 R14: ffff888016794880 R15: 0000000000000000 FS: 00007faf39583700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c07218718 CR3: 0000000022b92000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400