kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 14234 Comm: syz-executor4 Not tainted 4.14.0+ #93
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cd4984c0 task.stack: ffff8801ce9b0000
RIP: 0010:perf_trace_lock_acquire+0xc0/0x980 include/trace/events/lock.h:13
RSP: 0018:ffff8801ce9b7510 EFLAGS: 00010002
RAX: 0000000000000007 RBX: 1ffff10039d36eac RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000020 RDI: ffffffff85f25920
RBP: ffff8801ce9b76e8 R08: 0000000000000000 R09: 0000000000000020
R10: dffffc0000000000 R11: ffffffff815496f0 R12: ffff8801ce9b76c0
R13: 0000000000000000 R14: ffffffff85f25920 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8801db400000(0063) knlGS:00000000f77dcb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000008090020 CR3: 00000001c2e39000 CR4: 00000000001406f0
Call Trace:
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x394/0x580 kernel/locking/lockdep.c:4003
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
 _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:320 [inline]
 tipc_subscrb_subscrp_delete+0x8f/0x480 net/tipc/subscr.c:201
 tipc_subscrb_delete net/tipc/subscr.c:238 [inline]
 tipc_subscrb_release_cb+0x17/0x30 net/tipc/subscr.c:316
 tipc_close_conn+0x171/0x270 net/tipc/server.c:204
 tipc_topsrv_kern_subscr+0x724/0x810 net/tipc/server.c:514
 tipc_group_create+0x702/0x9c0 net/tipc/group.c:184
 tipc_sk_join net/tipc/socket.c:2747 [inline]
 tipc_setsockopt+0x249/0xc10 net/tipc/socket.c:2861
 C_SYSC_setsockopt net/compat.c:406 [inline]
 compat_SyS_setsockopt+0x2e7/0x410 net/compat.c:386
 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
 do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7fe0c79
RSP: 002b:00000000f77dc01c EFLAGS: 00000296 ORIG_RAX: 000000000000016e
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 000000000000010f
RDX: 0000000000000087 RSI: 00000000203a7000 RDI: 000000000000001c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Code: c7 40 1c 00 f2 f2 f2 c7 40 20 f2 f2 f2 f2 c7 40 24 00 f2 f2 f2 c7 40 28 f3 f3 f3 f3 48 8d 46 18 48 89 85 70 fe ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 da 04 00 00 49 8b 79 18 48 85 ff 0f 84 62 04 
RIP: perf_trace_lock_acquire+0xc0/0x980 include/trace/events/lock.h:13 RSP: ffff8801ce9b7510
---[ end trace 2bd9bb280de6f9a9 ]---
Kernel panic - not syncing: Fatal exception in interrupt
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..