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BUG: corrupted list in team_priority_option_set (4)

Status: moderation: reported on 2025/05/25 04:37
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+7329e2998275dafe9a04@syzkaller.appspotmail.com
First crash: 4d06h, last: 4d06h
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: corrupted list in team_priority_option_set (2) net 1 252d 248d 0/28 auto-obsoleted due to no activity on 2024/12/24 05:30
upstream BUG: corrupted list in team_priority_option_set (3) net 2 65d 87d 0/28 closed as invalid on 2025/04/14 03:52
upstream BUG: corrupted list in team_priority_option_set net C error inconclusive 2 627d 1487d 0/28 auto-obsoleted due to no activity on 2023/12/14 18:45
linux-4.14 BUG: corrupted list in team_priority_option_set syz error 2 1651d 1651d 0/1 upstream: reported syz repro on 2020/11/16 07:46

Sample crash report:
 non-paged memory
list_del corruption, ffff888026a6e880->prev is LIST_POISON2 (dead000000000122)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 27386 Comm: syz.3.9759 Not tainted 6.15.0-rc6-syzkaller-00182-g293e38ff4e4c #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__list_del_entry_valid_or_report+0x12b/0x190 lib/list_debug.c:59
Code: 8b 48 89 de 4c 89 e2 e8 a3 e7 68 fc 90 0f 0b 4c 89 e7 e8 c8 70 43 fd 48 c7 c7 e0 dd c1 8b 48 89 de 4c 89 e2 e8 86 e7 68 fc 90 <0f> 0b 4c 89 ff e8 ab 70 43 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 3c
RSP: 0018:ffffc900034df188 EFLAGS: 00010246
RAX: 000000000000004e RBX: ffff888026a6e880 RCX: a353bcb77a6ec400
RDX: ffffc9000cbc2000 RSI: 0000000000004bb3 RDI: 0000000000004bb4
RBP: ffff888026a6e87c R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba944 R12: dead000000000122
R13: dffffc0000000000 R14: ffff88805e370c30 R15: dead000000000122
FS:  00007f0580f2b6c0(0000) GS:ffff8881260c7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a9c2e5000 CR3: 00000000563ae000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:124 [inline]
 __list_del_entry include/linux/list.h:215 [inline]
 list_del_rcu include/linux/rculist.h:168 [inline]
 __team_queue_override_port_del drivers/net/team/team_core.c:826 [inline]
 team_queue_override_port_prio_changed drivers/net/team/team_core.c:883 [inline]
 team_priority_option_set+0x161/0x7c0 drivers/net/team/team_core.c:1534
 team_option_set drivers/net/team/team_core.c:376 [inline]
 team_nl_options_set_doit+0x95f/0xdf0 drivers/net/team/team_core.c:2666
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x505/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f058018e969
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0580f2b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f05803b5fa0 RCX: 00007f058018e969
RDX: 0000000000000000 RSI: 0000200000000440 RDI: 0000000000000004
RBP: 00007f0580210ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f05803b5fa0 R15: 00007ffd49c03c98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x12b/0x190 lib/list_debug.c:59
Code: 8b 48 89 de 4c 89 e2 e8 a3 e7 68 fc 90 0f 0b 4c 89 e7 e8 c8 70 43 fd 48 c7 c7 e0 dd c1 8b 48 89 de 4c 89 e2 e8 86 e7 68 fc 90 <0f> 0b 4c 89 ff e8 ab 70 43 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 3c
RSP: 0018:ffffc900034df188 EFLAGS: 00010246
RAX: 000000000000004e RBX: ffff888026a6e880 RCX: a353bcb77a6ec400
RDX: ffffc9000cbc2000 RSI: 0000000000004bb3 RDI: 0000000000004bb4
RBP: ffff888026a6e87c R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba944 R12: dead000000000122
R13: dffffc0000000000 R14: ffff88805e370c30 R15: dead000000000122
FS:  00007f0580f2b6c0(0000) GS:ffff8881260c7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a4a6696fb0 CR3: 00000000563ae000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/21 04:30 net 293e38ff4e4c 8f9cf946 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce BUG: corrupted list in team_priority_option_set
* Struck through repros no longer work on HEAD.