syzbot


BUG: unable to handle kernel paging request in __sock_create

Status: closed as invalid on 2018/07/05 16:25
Subsystems: net
[Documentation on labels]
First crash: 2611d, last: 2611d

Sample crash report:
BUG: unable to handle kernel paging request at 000000004007000a
PGD 1ca95a067 P4D 1ca95a067 PUD 0 
Oops: 0010 [#1] SMP KASAN
CPU: 1 PID: 22867 Comm: syz-executor5 Not tainted 4.18.0-rc3+ #46
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x4007000a
Code: Bad RIP value.
PANIC: double fault, error_code: 0x0
RSP: 0018:ffff8801cbbdfbb0 EFLAGS: 00010246
CPU: 0 PID: 22866 Comm: syz-executor3 Not tainted 4.18.0-rc3+ #46
RAX: 000000004007000a RBX: ffff8801c939c080 RCX: ffffc90003e1c000
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294
RDX: 1ffff1003540a82a RSI: ffffffff85ec4fd5 RDI: ffff8801c939c080
Code: 
RBP: ffff8801cbbdfbe0 R08: 1ffff1003977bf5f R09: ffff8801cbbdf938
41 
R10: ffffed0039273827 R11: ffffffff88f6d243 R12: ffff8801aa054140
57 41 
R13: 0000000000000000 R14: ffff8801c939c0a8 R15: 0000000000000000
89 cf 
FS:  00007f97f2564700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
41 56 
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
41 55 
CR2: 000000004006ffe0 CR3: 00000001cfaa6000 CR4: 00000000001406e0
49 89 
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
fd 41 
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
54 45 
Call Trace:
89 cc 
53 65 
 sock_release net/socket.c:618 [inline]
 __sock_create+0x44e/0x940 net/socket.c:1315
4c 8b 
34 25 
40 ee 
 sock_create net/socket.c:1326 [inline]
 __sys_socketpair+0x200/0x7a0 net/socket.c:1414
01 00 
48 83 
e4 f0 
48 81 
 __do_sys_socketpair net/socket.c:1467 [inline]
 __se_sys_socketpair net/socket.c:1464 [inline]
 __x64_sys_socketpair+0x97/0xf0 net/socket.c:1464
ec 60 
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
03 00 
00 48 
8b 45 
10 <89> 
94 24 
80 00 
00 00 
48 ba 
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
00 00 
RIP: 0033:0x455ab9
00 00 
Code: 
00 fc 
Bad RIP value.
ff df 
RSP: 002b:00007f97f2563c68 EFLAGS: 00000246
48 89 
 ORIG_RAX: 0000000000000035
84 24 
RAX: ffffffffffffffda RBX: 00007f97f25646d4 RCX: 0000000000455ab9
98 
RDX: 0000000000000007 RSI: 0000000000000001 RDI: 0000000000000009
RSP: 0018:ffff8801c661bf20 EFLAGS: 00010082
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
RAX: 0000000000000000 RBX: 1ffff10038cc3861 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620
R10: 0000000020000000 R11: 0000000000000246 R12: 00000000ffffffff
RBP: ffff8801c661c2b0 R08: 0000000000000000 R09: 0000000000000000
R10: ffff8801c94ff1b8 R11: ffff8801dae236b3 R12: 0000000000000000
R13: 00000000004c1dee R14: 00000000004d3128 R15: 0000000000000000
R13: ffffffff88f92620 R14: ffff880195fd85c0 R15: 0000000000000002
FS:  00007f8e1c9ba700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
Modules linked in:
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8801c661bf18 CR3: 00000001a74d7000 CR4: 00000000001406f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
Dumping ftrace buffer:
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
   (ftrace buffer empty)
Call Trace:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/07/05 13:51 bpf-next 6fcf9b1d4d6c f525fd72 .config console log report ci-upstream-bpf-next-kasan-gce
* Struck through repros no longer work on HEAD.