kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 8657 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888048892380 task.stack: ffff8880488e0000
RIP: 0010:hsr_dev_change_mtu+0x95/0xc0 net/hsr/hsr_device.c:149
RSP: 0000:ffff8880488e7058 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888051832c80 RCX: ffffc90005acc000
RDX: 0000000000000002 RSI: ffffffff86385fa0 RDI: 0000000000000010
RBP: 00000000000005dc R08: 0000000000000001 R09: 0000000000000002
R10: ffff888048892c50 R11: ffff888048892380 R12: ffff888051833740
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff86385f20
FS:  00007feb1a3af700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005648e7b7b630 CR3: 0000000094e2e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __dev_set_mtu net/core/dev.c:6877 [inline]
 dev_set_mtu+0x1d4/0x3a0 net/core/dev.c:6912
 team_port_add drivers/net/team/team.c:1195 [inline]
 team_add_slave+0x82b/0x1780 drivers/net/team/team.c:1964
 do_set_master net/core/rtnetlink.c:1961 [inline]
 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1936
 do_setlink+0x994/0x2c00 net/core/rtnetlink.c:2098
 rtnl_newlink+0x11bb/0x1720 net/core/rtnetlink.c:2660
 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4315
 netlink_rcv_skb+0x127/0x370 net/netlink/af_netlink.c:2433
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x620 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x733/0xbe0 net/netlink/af_netlink.c:1878
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xc5/0x100 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007feb1a3aec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007feb1a3af6d4 RCX: 000000000045c889
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009f7 R14: 00000000004ccb31 R15: 000000000076bf0c
Code: 44 89 e0 5b 5d 41 5c 41 5d c3 e8 d7 39 4b fb eb e1 e8 00 e7 21 fb 49 8d 7d 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 1d 49 8b 7d 10 ba 06 00 00 00 48 c7 c6 80 96 50 
RIP: hsr_dev_change_mtu+0x95/0xc0 net/hsr/hsr_device.c:149 RSP: ffff8880488e7058
---[ end trace 9ed9166205647819 ]---