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: 1 PID: 21049 Comm: syz-executor.1 Not tainted 4.14.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88804c158340 task.stack: ffff8880a60c0000
RIP: 0010:smc_diag_msg_common_fill net/smc/smc_diag.c:46 [inline]
RIP: 0010:__smc_diag_dump.isra.0+0x300/0x1550 net/smc/smc_diag.c:81
RSP: 0018:ffff8880a60c7578 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff88804c991ec0 RCX: ffffc9000e7a4000
RDX: 0000000000000001 RSI: ffffffff86133af8 RDI: 000000000000000e
RBP: ffff88804a632ac0 R08: 0000000000000040 R09: ffff88804c991ed0
R10: ffffed10099323e1 R11: ffff88804c991f0f R12: 1ffff11014c18eb3
R13: ffff88804dfa4080 R14: ffff88808cc36690 R15: 0000000000000000
FS:  00007fd711d3b700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020e0003f CR3: 000000004cbc4000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_diag_dump+0x1d9/0x290 net/smc/smc_diag.c:169
 netlink_dump+0x3da/0xab0 net/netlink/af_netlink.c:2203
 __netlink_dump_start+0x4e2/0x740 net/netlink/af_netlink.c:2300
 netlink_dump_start include/linux/netlink.h:217 [inline]
 smc_diag_handler_dump+0x19d/0x1e0 net/smc/smc_diag.c:190
 __sock_diag_cmd net/core/sock_diag.c:231 [inline]
 sock_diag_rcv_msg+0x28d/0x390 net/core/sock_diag.c:263
 netlink_rcv_skb+0x127/0x370 net/netlink/af_netlink.c:2433
 sock_diag_rcv+0x26/0x40 net/core/sock_diag.c:274
 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:00007fd711d3ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd711d3b6d4 RCX: 000000000045c889
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 000000000076c180 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009f7 R14: 00000000004ccb31 R15: 000000000076c18c
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 11 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 20 49 8d 7f 0e 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 
RIP: smc_diag_msg_common_fill net/smc/smc_diag.c:46 [inline] RSP: ffff8880a60c7578
RIP: __smc_diag_dump.isra.0+0x300/0x1550 net/smc/smc_diag.c:81 RSP: ffff8880a60c7578
---[ end trace 37ef50960b0d0088 ]---