general protection fault: 0000 [#1] SMP PTI
CPU: 0 PID: 4484 Comm: sshd Not tainted 4.18.0-rc8+ #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__x86_indirect_thunk_r11+0x10/0x20 arch/x86/lib/retpoline.S:43
Code: 90 0f ae e8 eb f9 4c 89 14 24 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3 90 0f ae e8 eb f9 4c 89 1c 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3
PANIC: double fault, error_code: 0x0
RSP: 0018:ffff8801bccaf480 EFLAGS: 00010006
CPU: 1 PID: 4961 Comm: syz-executor612 Not tainted 4.18.0-rc8+ #34
RAX: 0000000000000000 RBX: ffff88021fc39090 RCX: ffff8801a1d3bb00
RDX: ffffffff8a1af000 RSI: 0000000000000002 RDI: ffff8801bccaf4f8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RBP: ffff8801bccaf610 R08: 0000000000000000 R09: ffff88021fc39090
R10: 0000000000000000 R11: 4c000000a8be0000 R12: ffffffff8119870e
RIP: 0010:task_kmsan_context_state+0x0/0x110 mm/kmsan/kmsan.c:93
R13: 0000000000000000 R14: 4c000000a8be0000 R15: 0000000000000000
FS: 00007f7219f277c0(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
Code:
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000125c CR3: 00000001a9a50000 CR4: 00000000001406f0
0f
Call Trace:
00
00
5b
__do_page_fault+0xc8b/0x17e0 arch/x86/mm/fault.c:1397
41
do_page_fault+0x98/0xd0 arch/x86/mm/fault.c:1474
5e
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1169
41
RIP: 0010:depot_fetch_stack+0x18/0x40 lib/stackdepot.c:201
5f
Code:
5d
fe
c3
ff ff
41
90 90
8b
90 90
be
90 90
90
90 90
0c
90 90
00
90 90
00
90 90
e8
90 89
b4
f8 25
49
ff ff
00
1f 00
00
48 8b
eb
04 c5
a1
10 f5
90
25 8a
90
c1 ef
8a
11 81
04
e7 f0
25
3f 00
38
00 <8b>
f5
4c 38
15
0c 89
8a
4e 04
c3
89 0e
0f
48 01
1f
f8 48
84
83 c0
00
18 48
00
89 46
00
08 c7
00
46
00
RSP: 0018:ffff8801bccaf818 EFLAGS: 00010006
<55>
48
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff8a1af000 RSI: ffff8801bccaf820 RDI: 0000000000001250
89
RBP: ffff8801bccaf878 R08: 0000000000000000 R09: ffff88021fc39090
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
e5
R13: 00000000a4a3a028 R14: ffffffff81a9cea0 R15: ffff8801a1d3bb00
41
57
41
__msan_warning+0x70/0xc0 mm/kmsan/kmsan_instr.c:645
56
__handle_mm_fault mm/memory.c:4040 [inline]
handle_mm_fault+0xeb0/0x7ea0 mm/memory.c:4133
41
54
__do_page_fault+0xc8b/0x17e0 arch/x86/mm/fault.c:1397
53 48 83
do_page_fault+0x98/0xd0 arch/x86/mm/fault.c:1474
ec
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1169
10
RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:66
65
Code: 38
44
4c 89
8b
47 20
3c
4c 89
25
4f 28
20
4c 89
a1
57 30
4c 89
RSP: 0018:ffff8801a1f58000 EFLAGS: 00010083
5f 38
48 8d
RAX: 0000000088c00a77 RBX: 0000000000000000 RCX: ffffffff88c00a77
76 40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801a1f58048
48 8d
RBP: ffff8801a1f58008 R08: 0000000000000000 R09: 0000000000000000
7f 40
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
ff c9
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801a1f58048
75 b6
FS: 0000000001638880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
89 d1
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
83 e2
CR2: ffff8801a1f57ff8 CR3: 00000001bc4ee000 CR4: 00000000001406e0
07 c1
Call Trace:
e9 03