general protection fault in lockdep_invariant_state

Status: closed as invalid on 2017/10/30 19:46
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+1abf0632466543363db23d7f7f0aacc9d1f337c4@syzkaller.appspotmail.com
First crash: 3258d, last: 3216d
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in lockdep_invariant_state (2) kernel 2 syz, C 114 3160d 3189d 4/29 fixed on 2018/01/27 14:55

Sample crash report:
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 14286 Comm: syz-executor5 Not tainted 4.14.0-rc2+ #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c82fa0c0 task.stack: ffff8801c6b70000
RIP: 0010:invalidate_xhlock kernel/locking/lockdep.c:4717 [inline]
RIP: 0010:lockdep_invariant_state+0xd6/0x120 kernel/locking/lockdep.c:4791
RSP: 0018:ffff8801c6b77e38 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000001d88 RCX: 0000000000000000
RDX: 00000000000003bc RSI: 0000000000000000 RDI: 0000000000001de0
RBP: ffff8801c6b77e48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801c6b77ee0 R14: ffff8801c82fa0c0 R15: ffffffff85ac9970
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f7731b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000009959968 CR3: 000000019fe73000 CR4: 00000000001406f0
DR0: 0000000020000008 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 lockdep_sys_exit+0x47/0xf0 kernel/locking/lockdep.c:4627
 prepare_exit_to_usermode arch/x86/entry/common.c:192 [inline]
 syscall_return_slowpath+0x244/0x510 arch/x86/entry/common.c:266
 ret_from_fork+0x15/0x40 arch/x86/entry/entry_64.S:423
RIP: 0023:0xf7f35c79
RSP: 002b:000000002000a000 EFLAGS: 00000296 ORIG_RAX: 0000000000000078
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000002000a000
RDX: 000000002000affc RSI: 000000002000affc RDI: 0000000020008000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Code: 83 a0 11 00 00 83 e0 3f 48 89 c2 48 c1 e2 04 48 29 c2 48 b8 00 00 00 00 00 fc ff df 49 8d 1c d4 48 8d 7b 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 2f 48 c7 43 58 00 00 00 00 5b 41 5c 5d c3 0f ff 
RIP: invalidate_xhlock kernel/locking/lockdep.c:4717 [inline] RSP: ffff8801c6b77e38
RIP: lockdep_invariant_state+0xd6/0x120 kernel/locking/lockdep.c:4791 RSP: ffff8801c6b77e38
---[ end trace e5aa2fe1a6063612 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (39):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2017/09/30 00:01 upstream 99637e4268ea c26ea367 .config console log report ci-upstream-kasan-gce
2017/10/05 08:55 upstream 42b76d0e6b1f c26ea367 .config console log report ci-upstream-kasan-gce-386
2017/10/02 11:30 upstream 9e66317d3c92 c26ea367 .config console log report ci-upstream-kasan-gce-386
2017/10/01 03:08 upstream a8c964eacb21 c26ea367 .config console log report ci-upstream-kasan-gce-386
2017/10/01 01:25 upstream 74d83ec2b734 c26ea367 .config console log report ci-upstream-kasan-gce-386
2017/09/27 20:56 upstream 225d3b674829 c26ea367 .config console log report ci-upstream-kasan-gce-386
2017/09/19 19:06 upstream 12fcf66e74b1 d394531e .config console log report ci-upstream-kasan-gce-386
2017/10/03 22:23 mmots 9af872441677 c26ea367 .config console log report ci-upstream-mmots-kasan-gce
2017/09/30 02:46 mmots c0232cb3af70 c26ea367 .config console log report ci-upstream-mmots-kasan-gce
2017/09/29 04:48 mmots 8fd0520d9cec c26ea367 .config console log report ci-upstream-mmots-kasan-gce
2017/09/27 01:29 mmots da2915ba6bbf c26ea367 .config console log report ci-upstream-mmots-kasan-gce
2017/09/11 16:01 linux-next a31cc455c512 449b6f15 .config console log report skylake-linux-next-kasan-qemu
2017/09/08 14:09 linux-next 58bcd35f859b d18bfda0 .config console log report skylake-linux-next-kasan-qemu
2017/09/08 00:28 mmots d95e159cd1da 449b6f15 .config console log report ci-upstream-mmots-kasan-gce
2017/09/07 07:08 linux-next c6be5a0e3ceb 0ed1da4a .config console log report skylake-linux-next-kasan-qemu
2017/09/05 19:47 linux-next 744c56def809 0ed1da4a .config console log report skylake-linux-next-kasan-qemu
2017/09/02 13:20 linux-next 1d53d908b79d a54dce00 .config console log report ci-upstream-next-kasan-gce
2017/09/01 13:07 linux-next 1d53d908b79d a54dce00 .config console log report ci-upstream-next-kasan-gce
2017/09/01 01:25 linux-next e8b684315214 4ccdd782 .config console log report ci-upstream-next-kasan-gce
2017/09/01 00:51 linux-next e8b684315214 4ccdd782 .config console log report ci-upstream-next-kasan-gce
* Struck through repros no longer work on HEAD.