syzbot


BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 (2)

Status: auto-closed as invalid on 2020/09/17 05:58
Reported-by: syzbot+056f5d610ea3fcaa0b46@syzkaller.appspotmail.com
First crash: 803d, last: 765d
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 (2) C done 4 690d 703d 1/1 fixed on 2020/09/03 09:58
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 (3) 2 651d 656d 0/1 auto-closed as invalid on 2021/01/09 06:14
upstream BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 (2) C done 9 736d 840d 0/22 closed as dup on 2020/08/15 13:48
upstream BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 2 1467d 1467d 0/22 auto-closed as invalid on 2019/02/22 10:29
linux-4.14 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 1 967d 967d 0/1 auto-closed as invalid on 2020/02/28 23:04
linux-4.19 BUG: unable to handle kernel NULL pointer dereference in do_syscall_64 3 831d 846d 0/1 auto-closed as invalid on 2020/07/13 07:25

Sample crash report:
BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292
PGD 214e90067 P4D 214e90067 PUD 214e91067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 28778 Comm: syz-executor.4 Not tainted 4.14.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88803c278140 task.stack: ffff8881eedd0000
RIP: 0010:do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292
RSP: 0018:ffff8881eedd7f00 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffffff814e0870 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881eedd7fa8
RBP: ffff8881eedd7f58 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87d16698
R13: ffff8881eedd7fd0 R14: ffff88803c278140 R15: 0000000000000000
FS:  00000000010ff940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001ee62d000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45af51
RSP: 002b:00007ffd895471d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000018686a RCX: 000000000045af51
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd895471e0
RBP: 0000000000000001 R08: 00000000aab9f6af R09: 00000000aab9f6b3
R10: 00007ffd895472e0 R11: 0000000000000293 R12: 000000000078bf00
R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078c0ec
Code: 00 00 fc ff df 49 89 fa 49 c1 ea 03 41 80 3c 02 00 0f 85 16 03 00 00 48 8b 7d 70 ff d3 48 8d 7d 50 48 ba 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 77 00 00 00 00 00 
RIP: do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292 RSP: ffff8881eedd7f00
CR2: 0000000000000000
---[ end trace 7986804a778c6244 ]---
BUG: unable to handle kernel 

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/05/20 05:57 linux-4.14.y ab9dfda23248 6d882fd2 .config log report
ci2-linux-4-14 2020/05/13 10:54 linux-4.14.y ab9dfda23248 9a6d42fb .config log report
ci2-linux-4-14 2020/05/08 23:08 linux-4.14.y d71f695ce745 e97b06d3 .config log report
ci2-linux-4-14 2020/05/07 23:37 linux-4.14.y d71f695ce745 6c70a1c2 .config log report
ci2-linux-4-14 2020/04/19 10:40 linux-4.14.y c10b57a567e4 6dfd45e1 .config log report
ci2-linux-4-14 2020/04/14 23:40 linux-4.14.y c10b57a567e4 3f3c5574 .config log report
ci2-linux-4-14 2020/04/13 01:22 linux-4.14.y 4520f06b03ae 17a986e5 .config log report