syzbot


general protection fault in do_syscall_64 (2)

Status: upstream: reported syz repro on 2020/05/18 23:19
Reported-by: syzbot+7325d285aa9dee612670@syzkaller.appspotmail.com
First crash: 1492d, last: 841d
Fix bisection: failed (error log, bisect log)
  
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in do_syscall_64 kernel C done error 4 1513d 1543d 0/27 closed as dup on 2020/08/15 11:55
linux-4.19 general protection fault in do_syscall_64 (3) 1 875d 875d 0/1 auto-closed as invalid on 2022/05/25 11:05
linux-4.19 general protection fault in do_syscall_64 6 1492d 1528d 0/1 auto-closed as invalid on 2020/09/15 12:00
linux-4.14 general protection fault in do_syscall_64 1 1694d 1694d 0/1 auto-closed as invalid on 2020/02/26 05:52
linux-4.19 general protection fault in do_syscall_64 (2) syz done 2 1028d 1361d 1/1 fixed on 2021/09/26 12:12
Last patch testing requests (6)
Created Duration User Patch Repo Result
2023/02/15 11:32 10m retest repro linux-4.14.y report log
2023/02/15 09:32 28m retest repro linux-4.14.y report log
2023/02/15 08:32 23m retest repro linux-4.14.y report log
2022/10/11 00:30 13m retest repro linux-4.14.y report log
2022/10/10 14:30 10m retest repro linux-4.14.y report log
2022/10/10 03:30 10m retest repro linux-4.14.y report log
Fix bisection attempts (18)
Created Duration User Patch Repo Result
2022/03/30 19:13 12m bisect fix linux-4.14.y error job log (0)
2022/02/28 17:24 29m bisect fix linux-4.14.y job log (0) log
2022/01/29 16:11 31m bisect fix linux-4.14.y job log (0) log
2021/12/30 15:14 30m bisect fix linux-4.14.y job log (0) log
2021/11/30 14:42 22m bisect fix linux-4.14.y job log (0) log
2021/10/31 14:17 25m bisect fix linux-4.14.y job log (0) log
2021/09/24 02:43 25m bisect fix linux-4.14.y job log (0) log
2021/08/24 20:31 27m bisect fix linux-4.14.y job log (0) log
2021/07/25 19:56 24m bisect fix linux-4.14.y job log (0) log
2021/06/25 19:14 21m bisect fix linux-4.14.y job log (0) log
2021/05/26 15:04 31m bisect fix linux-4.14.y job log (0) log
2021/04/26 14:36 27m bisect fix linux-4.14.y job log (0) log
2021/03/27 08:53 21m bisect fix linux-4.14.y job log (0) log
2021/02/24 21:57 23m bisect fix linux-4.14.y job log (0) log
2021/02/08 06:31 0m bisect fix linux-4.14.y error job log (0)
2021/01/09 06:08 23m bisect fix linux-4.14.y job log (0) log
2020/12/10 05:42 25m bisect fix linux-4.14.y job log (0) log
2020/11/10 05:20 22m bisect fix linux-4.14.y job log (0) log

Sample crash report:
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 6379 Comm: syz-executor.0 Not tainted 4.14.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888096f98340 task.stack: ffff888097168000
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:do_syscall_64+0x73/0x640 arch/x86/entry/common.c:280
RSP: 0018:ffff88809716ff00 EFLAGS: 00010082
RAX: dffffc0000000000 RBX: 00000000000000e4 RCX: 0000000000000000
RDX: 1ffffffff0fa2d23 RSI: 0000000000000001 RDI: ffff888096f98bc4
RBP: ffff88809716ff58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87d16918
R13: ffff88809716ffd0 R14: ffff888096f98340 R15: 0000000000000000
FS:  00000000035b8940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004ec430 CR3: 00000000a3ff4000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x460cba
RSP: 002b:00007fffeaefd3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4
RAX: ffffffffffffffda RBX: 0000000000008f9a RCX: 0000000000460cba
RDX: 0000000000000000 RSI: 00007fffeaefd400 RDI: 0000000000000001
RBP: 000000000000000b R08: 0000000000000000 R09: 00000000035b8940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00007fffeaefd460 R14: 0000000000008f68 R15: 00007fffeaefd470
Code: 34 8c 46 00 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 52 04 00 00 48 83 3d 19 fb d0 06 00 0f 70 07 00 <00> 00 e8 06 29 5b 00 fb 66 0f 1f 44 00 00 48 b8 00 00 00 00 00 
RIP: arch_local_irq_enable arch/x86/include/asm/paravirt.h:789 [inline] RSP: ffff88809716ff00
RIP: do_syscall_64+0x73/0x640 arch/x86/entry/common.c:280 RSP: ffff88809716ff00
---[ end trace d77d60aff5988704 ]---

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/10/11 05:08 linux-4.14.y cbfa1702aaf6 4a77ae0b .config console log report syz ci2-linux-4-14
2020/10/07 16:08 linux-4.14.y cbfa1702aaf6 1880b4a9 .config console log report syz ci2-linux-4-14
2020/09/07 16:41 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config console log report syz ci2-linux-4-14
2020/10/08 11:21 linux-4.14.y cbfa1702aaf6 92390980 .config console log report info ci2-linux-4-14
2020/10/08 10:45 linux-4.14.y cbfa1702aaf6 92390980 .config console log report info ci2-linux-4-14
2020/09/28 16:20 linux-4.14.y cbfa1702aaf6 6bfdbe89 .config console log report info ci2-linux-4-14
2020/09/20 23:41 linux-4.14.y cbfa1702aaf6 9564d2e9 .config console log report info ci2-linux-4-14
2020/05/18 23:19 linux-4.14.y ab9dfda23248 684d3606 .config console log report ci2-linux-4-14
* Struck through repros no longer work on HEAD.