general protection fault in do_fast_syscall

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in do_fast_syscall_32 kernel				1	1559d	1555d	0/26	auto-closed as invalid on 2020/04/18 00:38

general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 14783 Comm: syz-executor.2 Not tainted 5.7.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:do_fast_syscall_32+0x71f/0xe90 arch/x86/entry/common.c:409
Code: 31 ed 48 89 de e8 21 6e 72 00 48 83 fb 2b 0f 85 b9 fe ff ff e8 82 6c 72 00 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 70 77 77 07 70 77 77 07 70 77 77 07 77 00 70 07 70 77 77 07 00
RSP: 0018:ffffc900055f7f18 EFLAGS: 00010802
RAX: dffffc0000000000 RBX: 000000000000002b RCX: ffffffff8100c6df
RDX: 1ffff92000abeffb RSI: ffffffff8100c6ee RDI: 0000000000000007
RBP: ffffc900055f7f58 R08: ffff888052ce4080 R09: ffffed100a59c811
R10: ffff888052ce4087 R11: ffffed100a59c810 R12: 00000000f7f0aeb9
R13: 0000000000000000 R14: ffffc900055f7fd8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:0000000008acd900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f5d54c38 CR3: 000000005178a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
Modules linked in:
---[ end trace 60a30a570d673760 ]---
RIP: 0010:do_fast_syscall_32+0x71f/0xe90 arch/x86/entry/common.c:409
Code: 31 ed 48 89 de e8 21 6e 72 00 48 83 fb 2b 0f 85 b9 fe ff ff e8 82 6c 72 00 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 70 77 77 07 70 77 77 07 70 77 77 07 77 00 70 07 70 77 77 07 00
RSP: 0018:ffffc900055f7f18 EFLAGS: 00010802
RAX: dffffc0000000000 RBX: 000000000000002b RCX: ffffffff8100c6df
RDX: 1ffff92000abeffb RSI: ffffffff8100c6ee RDI: 0000000000000007
RBP: ffffc900055f7f58 R08: ffff888052ce4080 R09: ffffed100a59c811
R10: ffff888052ce4087 R11: ffffed100a59c810 R12: 00000000f7f0aeb9
R13: 0000000000000000 R14: ffffc900055f7fd8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:0000000008acd900
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f5d54c38 CR3: 000000005178a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2020/05/12 15:30	upstream	152036d1379f	160c7698	.config	console log	report					ci-upstream-kasan-gce-386
2020/05/12 09:31	upstream	152036d1379f	160c7698	.config	console log	report					ci-upstream-kasan-gce-386