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netlink: 'syz.4.594': attribute type 10 has an invalid length. team0: Device wlan1 is of different type ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6551 at kernel/kcov.c:869 arch_local_irq_restore arch/x86/include/asm/irqflags.h:137 [inline] WARNING: CPU: 0 PID: 6551 at kernel/kcov.c:869 kcov_remote_start+0x54d/0x7e0 kernel/kcov.c:887 Modules linked in: CPU: 0 PID: 6551 Comm: syz.4.594 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:kcov_remote_start+0x54d/0x7e0 kernel/kcov.c:869 Code: ff ff 4c 89 ff be 03 00 00 00 e8 9e c0 8e 02 e9 f0 fa ff ff e8 84 62 ab 08 f7 c3 00 02 00 00 0f 84 df fa ff ff e9 5a fc ff ff <0f> 0b e8 0c 77 ab 08 89 c0 48 c7 c7 70 b1 02 00 48 03 3c c5 80 39 RSP: 0018:ffffc9000e39e270 EFLAGS: 00010002 RAX: 0000000080000200 RBX: 0000000000000246 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: ffffffff8a8c2b20 RDI: ffffffff8adf1ba0 RBP: ffffc9000e39e4d0 R08: dffffc0000000000 R09: 1ffffffff215f454 R10: dffffc0000000000 R11: fffffbfff215f455 R12: ffff8880b8e2b170 R13: ffffffff81828e9b R14: ffff88807cc75940 R15: 0000000000000000 FS: 00007f1a018486c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000002000 CR3: 000000007883e000 CR4: 00000000003506f0 DR0: 0000000000008d24 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: <TASK> kcov_remote_start_common include/linux/kcov.h:50 [inline] ieee80211_rx_list+0x504/0x2e60 net/mac80211/rx.c:5297 ieee80211_rx_napi+0x1ae/0x3d0 net/mac80211/rx.c:5338 ieee80211_rx include/net/mac80211.h:4849 [inline] ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:317 ieee80211_stop_device+0x27/0xa0 net/mac80211/util.c:2211 ieee80211_do_stop+0x1724/0x1e20 net/mac80211/iface.c:750 ieee80211_stop+0x432/0x4a0 net/mac80211/iface.c:809 __dev_close_many+0x1d1/0x2b0 net/core/dev.c:1585 dev_close_many+0x21f/0x410 net/core/dev.c:1610 dev_close+0x154/0x210 net/core/dev.c:1636 team_port_add drivers/net/team/team.c:1329 [inline] team_add_slave+0x181b/0x2870 drivers/net/team/team.c:2002 do_set_master net/core/rtnetlink.c:2633 [inline] do_setlink+0xd3a/0x3e60 net/core/rtnetlink.c:2843 __rtnl_newlink net/core/rtnetlink.c:3613 [inline] rtnl_newlink+0x17d9/0x20a0 net/core/rtnetlink.c:3660 rtnetlink_rcv_msg+0x87c/0xfc0 net/core/rtnetlink.c:6157 netlink_rcv_skb+0x1fb/0x450 net/netlink/af_netlink.c:2511 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5be/0x970 net/socket.c:2518 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2572 __sys_sendmsg net/socket.c:2601 [inline] __do_sys_sendmsg net/socket.c:2610 [inline] __se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f1a0099ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1a01848028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1a00c15fa0 RCX: 00007f1a0099ce59 RDX: 0000000000000000 RSI: 0000200000000600 RDI: 000000000000000d RBP: 00007f1a00a32d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1a00c16038 R14: 00007f1a00c15fa0 R15: 00007ffcb8e4f128 </TASK>
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/05/15 21:58 | linux-6.1.y | c27210688955 | 81fb92f3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | WARNING in kcov_remote_start | ||
| 2026/04/27 21:41 | linux-6.1.y | 7c87defbd336 | ce741359 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | WARNING in kcov_remote_start | ||
| 2026/04/21 07:56 | linux-6.1.y | 7c87defbd336 | 3f2e655b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | WARNING in kcov_remote_start | ||
| 2026/02/24 17:16 | linux-6.1.y | 779f9571ac3e | 96b1aa46 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | WARNING in kcov_remote_start | ||
| 2026/02/11 07:57 | linux-6.1.y | 0182cb5b74ee | 441e25b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | WARNING in kcov_remote_start | ||
| 2026/02/08 12:43 | linux-6.1.y | 0182cb5b74ee | 4c131dc4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | WARNING in kcov_remote_start | ||
| 2025/11/20 01:17 | linux-6.1.y | f6e38ae624cf | 26ee5237 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | WARNING in kcov_remote_start | ||
| 2025/10/10 10:09 | linux-6.1.y | 882efbdd9d34 | ff1712fe | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | WARNING in kcov_remote_start | ||
| 2025/07/13 12:19 | linux-6.1.y | dfc486ec9cce | 3cda49cf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | WARNING in kcov_remote_start | ||
| 2025/06/28 15:33 | linux-6.1.y | 7e69c33e4858 | fc9d8ee5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | WARNING in kcov_remote_start |