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
CPU: 1 PID: 10345 Comm: syz-executor4 Not tainted 5.0.0-rc2+ #27
kobject: 'loop5' (000000009b24f631): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:smc_diag_msg_common_fill net/smc/smc_diag.c:43 [inline]
RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 net/smc/smc_diag.c:93
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 26 25 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 d2
RSP: 0018:ffff88806eb77120 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff88806db0d240 RCX: ffffc9000de5b000
RDX: 0000000000000001 RSI: ffffffff87b6dca2 RDI: 000000000000000e
RBP: ffff88806eb773e8 R08: ffff8880850dc180 R09: ffff88805d521bb4
R10: ffffed100baa436c R11: ffff88805d521b63 R12: ffff888090828e60
R13: ffff88805d521b64 R14: ffff88806db0d6a0 R15: 0000000000000000
FS:  00007fd7150c5700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc50e99fa8 CR3: 00000000958ce000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_diag_dump_proto.isra.0+0x2e7/0x3c0 net/smc/smc_diag.c:211
 smc_diag_dump+0x27/0x80 net/smc/smc_diag.c:225
 netlink_dump+0x5f2/0x1070 net/netlink/af_netlink.c:2244
 __netlink_dump_start+0x5b4/0x7e0 net/netlink/af_netlink.c:2352
 netlink_dump_start include/linux/netlink.h:225 [inline]
 smc_diag_handler_dump+0x2a7/0x350 net/smc/smc_diag.c:242
 __sock_diag_cmd net/core/sock_diag.c:232 [inline]
 sock_diag_rcv_msg+0x322/0x410 net/core/sock_diag.c:263
 netlink_rcv_skb+0x17d/0x410 net/netlink/af_netlink.c:2477
 sock_diag_rcv+0x2b/0x40 net/core/sock_diag.c:274
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x574/0x770 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0xa05/0xf90 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:631
 ___sys_sendmsg+0x7ec/0x910 net/socket.c:2116
 __sys_sendmsg+0x112/0x270 net/socket.c:2154
 __do_sys_sendmsg net/socket.c:2163 [inline]
 __se_sys_sendmsg net/socket.c:2161 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fd7150c4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000005
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd7150c56d4
R13: 00000000004c53b0 R14: 00000000004d8fc0 R15: 00000000ffffffff
Modules linked in:
net_ratelimit: 8 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
---[ end trace 7bf6f9435a1292a1 ]---
RIP: 0010:smc_diag_msg_common_fill net/smc/smc_diag.c:43 [inline]
RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 net/smc/smc_diag.c:93
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 26 25 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 d2
RSP: 0018:ffff88806eb77120 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff88806db0d240 RCX: ffffc9000de5b000
RDX: 0000000000000001 RSI: ffffffff87b6dca2 RDI: 000000000000000e
RBP: ffff88806eb773e8 R08: ffff8880850dc180 R09: ffff88805d521bb4
R10: ffffed100baa436c R11: ffff88805d521b63 R12: ffff888090828e60
R13: ffff88805d521b64 R14: ffff88806db0d6a0 R15: 0000000000000000
FS:  00007fd7150c5700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc50e99fa8 CR3: 00000000958ce000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400