RSP: 002b:00007fbc3d7f6188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007fbc3d7f61d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffda90b4c4f R14: 00007fbc3d7f6300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8754 at net/core/dev.c:11205 __dev_change_net_namespace+0xe5a/0x1120 net/core/dev.c:11211 Modules linked in: CPU: 1 PID: 8754 Comm: syz-executor.2 Not tainted 5.13.0-rc5-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:11205 Code: 00 00 48 c7 c6 c0 ce 79 88 48 c7 c7 00 cf 79 88 c6 05 57 5b 87 04 01 e8 2f 25 9b 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 70 ef RSP: 0018:ffffc90000a16dc0 EFLAGS: 00010282 RAX: 00000000fffffff4 RBX: ffffffff8a0f6400 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff87cb4880 RDI: ffffffff88134760 RBP: ffff88812cb22000 R08: 0000000000000001 R09: ffff88812cb22603 R10: ffffed10259644c0 R11: 6637303030302052 R12: ffff88812cb22b78 R13: ffff88812cb22098 R14: 00000000000000ad R15: 000000008a0f6400 FS: 00007fbc3d7f6700(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f480d673000 CR3: 000000011e5bd001 CR4: 00000000001706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_setlink+0x1d3/0x2df0 net/core/rtnetlink.c:2622 __rtnl_newlink+0xabb/0x1360 net/core/rtnetlink.c:3385 rtnl_newlink+0x5a/0x90 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x32f/0x860 net/core/rtnetlink.c:5564 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+0x70e/0xbe0 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:674 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2350 ___sys_sendmsg+0xd3/0x150 net/socket.c:2404 __sys_sendmsg+0xb2/0x140 net/socket.c:2433 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 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:00007fbc3d7f6188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000055d040 RCX: 0000000000464d29 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007fbc3d7f61d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffda90b4c4f R14: 00007fbc3d7f6300 R15: 0000000000022000 irq event stamp: 6949 hardirqs last enabled at (7003): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (7003): [] _raw_spin_unlock_irq+0x1f/0x80 kernel/locking/spinlock.c:199 hardirqs last disabled at (7030): [] __schedule+0x13e1/0x23d0 kernel/sched/core.c:5043 softirqs last enabled at (7074): [] invoke_softirq kernel/softirq.c:433 [inline] softirqs last enabled at (7074): [] __irq_exit_rcu kernel/softirq.c:637 [inline] softirqs last enabled at (7074): [] irq_exit_rcu+0x250/0x2a0 kernel/softirq.c:649 softirqs last disabled at (7087): [] invoke_softirq kernel/softirq.c:433 [inline] softirqs last disabled at (7087): [] __irq_exit_rcu kernel/softirq.c:637 [inline] softirqs last disabled at (7087): [] irq_exit_rcu+0x250/0x2a0 kernel/softirq.c:649 ---[ end trace 44b18b925bf2fafd ]---