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: 7153 Comm: syz-executor.4 Not tainted 5.3.0-rc5 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xb89/0x4b70 kernel/locking/lockdep.c:3753
Code: 00 0f 85 bf 2b 00 00 48 81 c4 00 01 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 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 cf 2e 00 00 49 81 7d 00 60 d6 32 89 0f 84 2d f5
RSP: 0018:ffff888092c679c8 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018
RBP: ffff888092c67af0 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: ffff8880934560c0 R12: 0000000000000000
R13: 0000000000000018 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f7d3de5c700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1552c3edb8 CR3: 000000009295b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lock_acquire+0x194/0x410 kernel/locking/lockdep.c:4412
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x99/0xd0 kernel/locking/spinlock.c:159
 prepare_to_wait+0x90/0x310 kernel/sched/wait.c:227
 nr_accept+0x1b0/0x660 net/netrom/af_netrom.c:793
 __sys_accept4+0x32d/0x6b0 net/socket.c:1754
 __do_sys_accept net/socket.c:1795 [inline]
 __se_sys_accept net/socket.c:1792 [inline]
 __x64_sys_accept+0x70/0xb0 net/socket.c:1792
 do_syscall_64+0xd6/0x550 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458079
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f7d3de5bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458079
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7d3de5c6d4
R13: 00000000004bdd8f R14: 00000000004ce0c0 R15: 00000000ffffffff
Modules linked in:
---[ end trace 1f2b3e0d13aab33e ]---
RIP: 0010:__lock_acquire+0xb89/0x4b70 kernel/locking/lockdep.c:3753
Code: 00 0f 85 bf 2b 00 00 48 81 c4 00 01 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 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 cf 2e 00 00 49 81 7d 00 60 d6 32 89 0f 84 2d f5
RSP: 0018:ffff888092c679c8 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018
RBP: ffff888092c67af0 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: ffff8880934560c0 R12: 0000000000000000
R13: 0000000000000018 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f7d3de5c700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1552c3edb8 CR3: 000000009295b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400