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WARNING in kvm_arch_vcpu_ioctl_run

Status: upstream: reported C repro on 2019/06/17 10:07
Reported-by: syzbot+1aae724aec7340740567@syzkaller.appspotmail.com
First crash: 2014d, last: 738d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in kvm_arch_vcpu_ioctl_run (5) kvm C error 343 470d 557d 23/28 fixed on 2023/10/12 12:47
upstream WARNING in kvm_arch_vcpu_ioctl_run (4) kvm C error 288 562d 645d 22/28 fixed on 2023/06/08 14:41
upstream WARNING in kvm_arch_vcpu_ioctl_run (2) kvm C 61018 2518d 2606d 4/28 fixed on 2018/03/13 09:44
upstream WARNING in kvm_arch_vcpu_ioctl_run C 20284 2643d 2708d 3/28 fixed on 2017/09/26 01:38
linux-4.14 WARNING in kvm_arch_vcpu_ioctl_run C inconclusive 71 829d 2005d 0/1 upstream: reported C repro on 2019/06/25 23:07
upstream WARNING in kvm_arch_vcpu_ioctl_run (3) kvm C done error 16157 666d 2460d 22/28 fixed on 2023/02/24 13:50
linux-5.15 WARNING in kvm_arch_vcpu_ioctl_run origin:lts-only C inconclusive 592 1d01h 622d 0/3 upstream: reported C repro on 2023/04/09 03:02
linux-6.1 WARNING in kvm_arch_vcpu_ioctl_run origin:lts-only C done 283 4d18h 639d 0/3 upstream: reported C repro on 2023/03/23 13:22
▶ ▼ Fix bisection attempts (10)
Created Duration User Patch Repo Result
2020/10/11 01:50 3m bisect fix linux-4.19.y error job log
2020/09/11 01:20 29m bisect fix linux-4.19.y OK (0) job log log
2020/08/11 19:40 26m bisect fix linux-4.19.y OK (0) job log log
2020/06/27 09:44 23m bisect fix linux-4.19.y OK (0) job log log
2020/05/28 08:30 25m bisect fix linux-4.19.y OK (0) job log log
2020/04/15 07:06 24m bisect fix linux-4.19.y OK (0) job log log
2020/03/05 09:13 25m bisect fix linux-4.19.y OK (0) job log log
2020/02/04 08:48 25m bisect fix linux-4.19.y OK (0) job log log
2020/01/05 08:19 24m bisect fix linux-4.19.y OK (0) job log log
2019/12/06 07:55 23m bisect fix linux-4.19.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8348 at arch/x86/kvm/x86.c:8115 kvm_arch_vcpu_ioctl_run.cold+0x29/0x48 arch/x86/kvm/x86.c:8115
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8348 Comm: syz-executor516 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:kvm_arch_vcpu_ioctl_run.cold+0x29/0x48 arch/x86/kvm/x86.c:8115
Code: f9 e8 0b a8 70 f9 48 c7 c7 a0 23 62 88 e8 6a d9 01 00 0f 0b e9 46 aa 1b f9 e8 f3 a7 70 f9 48 c7 c7 a0 23 62 88 e8 52 d9 01 00 <0f> 0b e9 95 53 1b f9 e8 db a7 70 f9 48 c7 c7 a0 23 62 88 e8 3a d9
RSP: 0018:ffff888091287a10 EFLAGS: 00010286
RAX: 0000000000000024 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012250f34
RBP: ffff888091287bb0 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880af9b1000
R13: ffff88808f700940 R14: 0000000000000000 R15: 0000000000000000
 kvm_vcpu_ioctl+0x493/0xe10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2847
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe35538d919
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe35531c2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe355416430 RCX: 00007fe35538d919
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 00007fe35541643c R08: 00007fe35531c700 R09: 0000000000000000
R10: 00007fe35531c700 R11: 0000000000000246 R12: 00007fe3553e30b8
R13: 6d766b2f7665642f R14: 65732f636f72702f R15: 00007fe355416438
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (116):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/11/11 20:13 linux-4.19.y 3f8a27f9e27b f42ee5d8 .config console log report syz C [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/14 08:25 linux-4.19.y 3f8a27f9e27b b884348d .config console log report syz C ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/06 16:05 linux-4.19.y 3f8a27f9e27b 88e3a122 .config console log report syz C ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/01 11:11 linux-4.19.y 3f8a27f9e27b fef302b1 .config console log report syz C ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/06/16 11:40 linux-4.19.y 3f8a27f9e27b 1719ee24 .config console log report syz C ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/03/04 17:38 linux-4.19.y 3f8a27f9e27b 45a13a73 .config console log report syz C ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2021/07/03 10:47 linux-4.19.y 9f84340f012e 55aa55c2 .config console log report syz C ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2021/05/13 09:47 linux-4.19.y 3c8c23092588 ed7d41c5 .config console log report syz C ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2020/04/28 08:29 linux-4.19.y 7edd66cf6167 0ce7569e .config console log report syz C ci2-linux-4-19
2019/06/17 09:06 linux-4.19.y 7aa823a959e1 442206d7 .config console log report syz C ci2-linux-4-19
2022/12/13 23:59 linux-4.19.y 3f8a27f9e27b f6511626 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/15 23:44 linux-4.19.y 3f8a27f9e27b 3a127a31 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/15 21:49 linux-4.19.y 3f8a27f9e27b 97de9cfc .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/15 00:31 linux-4.19.y 3f8a27f9e27b 97de9cfc .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/14 20:34 linux-4.19.y 3f8a27f9e27b 943f4cb8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/13 07:39 linux-4.19.y 3f8a27f9e27b f42ee5d8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/12 16:57 linux-4.19.y 3f8a27f9e27b f42ee5d8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/10 17:07 linux-4.19.y 3f8a27f9e27b 3ead01ad .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/10 09:24 linux-4.19.y 3f8a27f9e27b b2488a87 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/07 13:33 linux-4.19.y 3f8a27f9e27b a779b11a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/07 08:18 linux-4.19.y 3f8a27f9e27b 6d752409 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/07 06:26 linux-4.19.y 3f8a27f9e27b 6d752409 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/04 16:18 linux-4.19.y 3f8a27f9e27b 6d752409 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/11/01 23:04 linux-4.19.y 3f8a27f9e27b 08977f5d .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/31 19:49 linux-4.19.y 3f8a27f9e27b 2a71366b .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/31 01:05 linux-4.19.y 3f8a27f9e27b 2a71366b .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/30 15:08 linux-4.19.y 3f8a27f9e27b 2a71366b .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/28 13:31 linux-4.19.y 3f8a27f9e27b 8168b69e .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/21 22:52 linux-4.19.y 3f8a27f9e27b 63e790dd .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/15 16:36 linux-4.19.y 3f8a27f9e27b 67cb024c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/06 03:09 linux-4.19.y 3f8a27f9e27b 2c6543ad .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/05 08:59 linux-4.19.y 3f8a27f9e27b 267e3bb1 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/03 05:29 linux-4.19.y 3f8a27f9e27b feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/02 21:45 linux-4.19.y 3f8a27f9e27b feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/02 18:16 linux-4.19.y 3f8a27f9e27b feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/02 05:14 linux-4.19.y 3f8a27f9e27b feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/10/01 06:56 linux-4.19.y 3f8a27f9e27b feb56351 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/28 22:44 linux-4.19.y 3f8a27f9e27b a41a2080 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/28 17:42 linux-4.19.y 3f8a27f9e27b 75c78242 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/26 03:08 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/26 01:47 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/16 22:02 linux-4.19.y 3f8a27f9e27b dd9a85ff .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/14 16:32 linux-4.19.y 3f8a27f9e27b b884348d .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/13 14:57 linux-4.19.y 3f8a27f9e27b a08652b0 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/10 05:24 linux-4.19.y 3f8a27f9e27b 356d8217 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/07 20:51 linux-4.19.y 3f8a27f9e27b c5b7bc57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/07 00:00 linux-4.19.y 3f8a27f9e27b 5fc30c37 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/06 08:15 linux-4.19.y 3f8a27f9e27b 9dcd38fc .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/05 02:31 linux-4.19.y 3f8a27f9e27b 28811d0a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/09/03 07:32 linux-4.19.y 3f8a27f9e27b 49e94a20 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/28 18:01 linux-4.19.y 3f8a27f9e27b 07177916 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/22 23:45 linux-4.19.y 3f8a27f9e27b 26a13b38 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/16 07:56 linux-4.19.y 3f8a27f9e27b 7a7cb304 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/13 01:39 linux-4.19.y 3f8a27f9e27b 8dfcaa3d .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/12 05:08 linux-4.19.y 3f8a27f9e27b 21724cb2 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/10 21:54 linux-4.19.y 3f8a27f9e27b a6201f11 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2022/08/10 14:03 linux-4.19.y 3f8a27f9e27b aaa9eaa0 .config console log report info ci2-linux-4-19 WARNING in kvm_arch_vcpu_ioctl_run
2020/07/12 16:41 linux-4.19.y dce0f88600e4 115e1930 .config console log report ci2-linux-4-19
* Struck through repros no longer work on HEAD.