RBP: 00007f5758fdc1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdede04d9f R14: 00007f5758fdc300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9416 at net/core/dev.c:11239 __dev_change_net_namespace+0xe5a/0x1120 net/core/dev.c:11245 Modules linked in: CPU: 1 PID: 9416 Comm: syz-executor.3 Not tainted 5.14.0-rc1-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:11239 Code: 00 00 48 c7 c6 20 32 9b 88 48 c7 c7 60 32 9b 88 c6 05 9b b8 9d 04 01 e8 38 a6 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 0f 45 e5 RSP: 0018:ffffc900025ceda0 EFLAGS: 00010282 RAX: 00000000fffffff4 RBX: ffffffff8a30eec0 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff87eb67e0 RDI: ffffffff8833dfa0 RBP: ffff888126d5a000 R08: 0000000000000001 R09: ffff888126d5a603 R10: ffffed1024dab4c0 R11: 6637303030302052 R12: ffff888126d5ab78 R13: ffff888126d5a098 R14: 00000000000000be R15: 000000008a30eec0 FS: 00007f5758fdc700(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1494a1b000 CR3: 000000012fb18003 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:702 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:722 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2385 ___sys_sendmsg+0xd3/0x150 net/socket.c:2439 __sys_sendmsg+0xb2/0x140 net/socket.c:2468 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:00007f5758fdc188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000055cf00 RCX: 0000000000464d29 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007f5758fdc1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdede04d9f R14: 00007f5758fdc300 R15: 0000000000022000 irq event stamp: 7805 hardirqs last enabled at (7855): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1319 [inline] hardirqs last enabled at (7855): [] finish_lock_switch kernel/sched/core.c:4437 [inline] hardirqs last enabled at (7855): [] finish_task_switch.isra.0+0x224/0x980 kernel/sched/core.c:4555 hardirqs last disabled at (7884): [] __schedule+0x116e/0x2170 kernel/sched/core.c:5836 softirqs last enabled at (7900): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (7900): [] __irq_exit_rcu kernel/softirq.c:636 [inline] softirqs last enabled at (7900): [] irq_exit_rcu+0x229/0x270 kernel/softirq.c:648 softirqs last disabled at (7915): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (7915): [] __irq_exit_rcu kernel/softirq.c:636 [inline] softirqs last disabled at (7915): [] irq_exit_rcu+0x229/0x270 kernel/softirq.c:648 ---[ end trace 0d4e35b175513329 ]---