FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 fail_dump lib/fault-inject.c:73 [inline]
 should_fail_ex+0x412/0x560 lib/fault-inject.c:174
 should_failslab+0xa8/0x100 mm/failslab.c:46
 slab_pre_alloc_hook mm/slub.c:4491 [inline]
 slab_alloc_node mm/slub.c:4843 [inline]
 __do_kmalloc_node mm/slub.c:5259 [inline]
 __kmalloc_node_track_caller_noprof+0xeb/0x7b0 mm/slub.c:5368
 __kmemdup_nul mm/util.c:64 [inline]
 kstrdup+0x42/0x100 mm/util.c:84
 device_rename+0xb3/0x210 drivers/base/core.c:4529
 __dev_change_net_namespace+0x15d3/0x20a0 net/core/dev.c:12663
 do_setlink+0x2ce/0x4590 net/core/rtnetlink.c:3082
 rtnl_changelink net/core/rtnetlink.c:3798 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3971 [inline]
 rtnl_newlink+0x15ad/0x1bb0 net/core/rtnetlink.c:4108
 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6994
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:792 [inline]
 __sock_sendmsg net/socket.c:807 [inline]
 ____sys_sendmsg+0x972/0x9f0 net/socket.c:2657
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2711
 __sys_sendmsg net/socket.c:2743 [inline]
 __do_sys_sendmsg net/socket.c:2748 [inline]
 __se_sys_sendmsg net/socket.c:2746 [inline]
 __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2746
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24c759c819
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:00007f24c39d3fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f24c7816090 RCX: 00007f24c759c819
RDX: 0000000004000010 RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f24c39d4050 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f24c7816128 R14: 00007f24c7816090 R15: 00007ffe579abb68
 </TASK>
------------[ cut here ]------------
err
WARNING: net/core/dev.c:12665 at __dev_change_net_namespace+0x1e9d/0x20a0 net/core/dev.c:12665, CPU#0: syz.0.0/5352
Modules linked in:
CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__dev_change_net_namespace+0x1e9d/0x20a0 net/core/dev.c:12665
Code: f8 48 c7 c7 00 09 dd 8c 48 c7 c6 60 07 dd 8c 8b 54 24 2c 48 c7 c1 a0 07 dd 8c e8 ee 92 a4 f7 e9 c9 fe ff ff e8 e4 7e 42 f8 90 <0f> 0b 90 e9 5a f7 ff ff e8 d6 7e 42 f8 90 0f 0b 90 e9 72 fb ff ff
RSP: 0018:ffffc9000e3be7a0 EFLAGS: 00010293
RAX: ffffffff8983288c RBX: 1ffff110023674e3 RCX: ffff888000ae0000
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: ffffc9000e3bebd0 R08: ffff888011b3a71b R09: 1ffff110023674e3
R10: dffffc0000000000 R11: ffffed10023674e4 R12: dffffc0000000000
R13: ffff888011b3a108 R14: ffff888011b3a71c R15: 00000000fffffff4
FS:  00007f24c39d46c0(0000) GS:ffff88808ca40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f60f2b4b6b0 CR3: 0000000038a8f000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 do_setlink+0x2ce/0x4590 net/core/rtnetlink.c:3082
 rtnl_changelink net/core/rtnetlink.c:3798 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3971 [inline]
 rtnl_newlink+0x15ad/0x1bb0 net/core/rtnetlink.c:4108
 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6994
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:792 [inline]
 __sock_sendmsg net/socket.c:807 [inline]
 ____sys_sendmsg+0x972/0x9f0 net/socket.c:2657
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2711
 __sys_sendmsg net/socket.c:2743 [inline]
 __do_sys_sendmsg net/socket.c:2748 [inline]
 __se_sys_sendmsg net/socket.c:2746 [inline]
 __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2746
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24c759c819
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:00007f24c39d3fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f24c7816090 RCX: 00007f24c759c819
RDX: 0000000004000010 RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f24c39d4050 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f24c7816128 R14: 00007f24c7816090 R15: 00007ffe579abb68
 </TASK>