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: 13120 Comm: syz-executor779 Not tainted 5.3.0-rc6-next-20190830 #75
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__write_once_size include/linux/compiler.h:203 [inline]
RIP: 0010:__hlist_del include/linux/list.h:795 [inline]
RIP: 0010:hlist_del_rcu include/linux/rculist.h:475 [inline]
RIP: 0010:__dev_map_hash_update_elem kernel/bpf/devmap.c:668 [inline]
RIP: 0010:dev_map_hash_update_elem+0x3c8/0x6e0 kernel/bpf/devmap.c:691
Code: 48 89 f1 48 89 75 c8 48 c1 e9 03 80 3c 11 00 0f 85 d3 02 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 53 10 48 89 d6 48 c1 ee 03 <80> 3c 0e 00 0f 85 97 02 00 00 48 85 c0 48 89 02 74 38 48 89 55 b8
RSP: 0018:ffff888099937c30 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880962dbe80 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880962dbe88
RBP: ffff888099937c78 R08: 0000000000000004 R09: ffffed1013326f73
R10: ffffed1013326f72 R11: 0000000000000003 R12: ffff8880a92d1c00
R13: ffff888095018580 R14: 0000000000000000 R15: ffff8880a92d1d28
FS:  00007fde10bb6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde10b94e78 CR3: 00000000a8d7f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 map_update_elem+0xc82/0x10b0 kernel/bpf/syscall.c:966
 __do_sys_bpf+0x8b5/0x3350 kernel/bpf/syscall.c:2854
 __se_sys_bpf kernel/bpf/syscall.c:2825 [inline]
 __x64_sys_bpf+0x73/0xb0 kernel/bpf/syscall.c:2825
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x446a29
Code: e8 0c e8 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fde10bb5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446a29
RDX: 0000000000000020 RSI: 0000000020000180 RDI: 0000000000000002
RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c
R13: 00007fff65eef9df R14: 00007fde10bb69c0 R15: 0000000000000000
Modules linked in:
---[ end trace 71280b5eddcf2265 ]---
RIP: 0010:__write_once_size include/linux/compiler.h:203 [inline]
RIP: 0010:__hlist_del include/linux/list.h:795 [inline]
RIP: 0010:hlist_del_rcu include/linux/rculist.h:475 [inline]
RIP: 0010:__dev_map_hash_update_elem kernel/bpf/devmap.c:668 [inline]
RIP: 0010:dev_map_hash_update_elem+0x3c8/0x6e0 kernel/bpf/devmap.c:691
Code: 48 89 f1 48 89 75 c8 48 c1 e9 03 80 3c 11 00 0f 85 d3 02 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 53 10 48 89 d6 48 c1 ee 03 <80> 3c 0e 00 0f 85 97 02 00 00 48 85 c0 48 89 02 74 38 48 89 55 b8
RSP: 0018:ffff888099937c30 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880962dbe80 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880962dbe88
RBP: ffff888099937c78 R08: 0000000000000004 R09: ffffed1013326f73
R10: ffffed1013326f72 R11: 0000000000000003 R12: ffff8880a92d1c00
R13: ffff888095018580 R14: 0000000000000000 R15: ffff8880a92d1d28
FS:  00007fde10bb6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde10b94e78 CR3: 00000000a8d7f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400