RBP: 00007feff775e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc9f3c6c4f R14: 00007feff775e300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8958 at net/core/dev.c:11273 __dev_change_net_namespace+0xe5a/0x1120 net/core/dev.c:11279 Modules linked in: CPU: 0 PID: 8958 Comm: syz-executor.0 Not tainted 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__dev_change_net_namespace+0xe5a/0x1120 net/core/dev.c:11273 Code: 00 00 48 c7 c6 00 3c 9b 88 48 c7 c7 40 3c 9b 88 c6 05 21 5a 9d 04 01 e8 2d f2 9f 01 0f 0b e9 71 f2 ff ff 0f 0b e9 1d fc ff ff <0f> 0b e9 fc fb ff ff 41 bd ea ff ff ff e9 17 f4 ff ff e8 7f 01 e5 RSP: 0018:ffffc9000834eda0 EFLAGS: 00010282 RAX: 00000000fffffff4 RBX: ffffffff8a310c80 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff87eb69e0 RDI: ffffffff8833f600 RBP: ffff88811d0d2000 R08: 0000000000000001 R09: ffff88811d0d2603 R10: ffffed1023a1a4c0 R11: 6637303030302052 R12: ffff88811d0d2bb8 R13: ffff88811d0d2098 R14: 00000000000000b9 R15: 000000008a310c80 FS: 00007feff775e700(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f884506a000 CR3: 0000000116f4d003 CR4: 00000000001706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_setlink+0x1d3/0x2cb0 net/core/rtnetlink.c:2626 __rtnl_newlink+0xaca/0x13b0 net/core/rtnetlink.c:3393 rtnl_newlink+0x5a/0x90 net/core/rtnetlink.c:3508 rtnetlink_rcv_msg+0x31d/0x8d0 net/core/rtnetlink.c:5574 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x704/0xbf0 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:703 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:723 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2392 ___sys_sendmsg+0xd3/0x150 net/socket.c:2446 __sys_sendmsg+0xb2/0x140 net/socket.c:2475 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x464d29 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:00007feff775e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000055cfa0 RCX: 0000000000464d29 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007feff775e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc9f3c6c4f R14: 00007feff775e300 R15: 0000000000022000 irq event stamp: 5325 hardirqs last enabled at (5375): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1319 [inline] hardirqs last enabled at (5375): [] finish_lock_switch kernel/sched/core.c:4435 [inline] hardirqs last enabled at (5375): [] finish_task_switch.isra.0+0x224/0x980 kernel/sched/core.c:4553 hardirqs last disabled at (5400): [] __schedule+0x116e/0x2170 kernel/sched/core.c:5834 softirqs last enabled at (5448): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (5448): [] __irq_exit_rcu kernel/softirq.c:636 [inline] softirqs last enabled at (5448): [] irq_exit_rcu+0x229/0x270 kernel/softirq.c:648 softirqs last disabled at (5461): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (5461): [] __irq_exit_rcu kernel/softirq.c:636 [inline] softirqs last disabled at (5461): [] irq_exit_rcu+0x229/0x270 kernel/softirq.c:648 ---[ end trace fb4aa6de9d66e8df ]---