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: 0 PID: 9174 Comm: syz-executor707 Not tainted 5.2.0+ #97
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0x1264/0x4c30 kernel/locking/lockdep.c:3753
Code: 00 0f 85 b4 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 e8 28 00 00 49 81 3e 60 56 e4 89 0f 84 4f ee ff
RSP: 0018:ffff888084557a20 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff888084557b38 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff1349eef R11: ffff888096a08200 R12: 0000000000000018
R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000001
FS:  00007f7c2e60e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004d0990 CR3: 0000000095f95000 CR4: 00000000001406f0
Call Trace:
 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4413
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:159
 prepare_to_wait+0x7c/0x300 kernel/sched/wait.c:227
 nr_accept+0x23c/0x700 net/netrom/af_netrom.c:793
 __sys_accept4+0x34e/0x6a0 net/socket.c:1754
 __do_sys_accept4 net/socket.c:1789 [inline]
 __se_sys_accept4 net/socket.c:1786 [inline]
 __x64_sys_accept4+0x97/0xf0 net/socket.c:1786
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x449869
Code: e8 3c e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 ab 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f7c2e60dcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000120
RAX: ffffffffffffffda RBX: 00000000006e59f8 RCX: 0000000000449869
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00000000006e59f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000800 R11: 0000000000000246 R12: 00000000006e59fc
R13: 00007fffea20785f R14: 00007f7c2e60e9c0 R15: 20c49ba5e353f7cf
Modules linked in:
---[ end trace 51fdfe886ec829ce ]---
RIP: 0010:__lock_acquire+0x1264/0x4c30 kernel/locking/lockdep.c:3753
Code: 00 0f 85 b4 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 e8 28 00 00 49 81 3e 60 56 e4 89 0f 84 4f ee ff
RSP: 0018:ffff888084557a20 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff888084557b38 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff1349eef R11: ffff888096a08200 R12: 0000000000000018
R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000001
FS:  00007f7c2e60e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004d0990 CR3: 0000000095f95000 CR4: 00000000001406f0