syzbot


BUG: unable to handle kernel paging request in do_syscall_64

Status: auto-closed as invalid on 2020/09/08 08:37
Reported-by: syzbot+a3059c4c76388c1e6e31@syzkaller.appspotmail.com
First crash: 779d, last: 779d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: unable to handle kernel paging request in do_syscall_64 1 770d 766d 0/22 closed as dup on 2020/08/15 13:35
linux-4.19 BUG: unable to handle kernel paging request in do_syscall_64 C done 3 308d 827d 1/1 fixed on 2021/09/26 12:12

Sample crash report:
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
cgroup: cgroup2: unknown option "6	
"Q4I.5t	dViAOM*+ݛnl_RԖ._l";o|<-y
"
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
BUG: unable to handle kernel paging request at 0000000000040000
IP: do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 10004 Comm: systemd-udevd Not tainted 4.14.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88821299a080 task.stack: ffff88820f1f0000
RIP: 0010:do_syscall_64+0x1e3/0x640 arch/x86/entry/common.c:292
RSP: 0018:ffff88820f1f7f00 EFLAGS: 00010282
RAX: 0000000000040000 RBX: ffffffff818b51c0 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88820f1f7fa8
RBP: ffff88820f1f7f58 R08: 0000000000000000 R09: 0000000000000000
R10: ffffed103f6ab5ff R11: 0000000000000000 R12: ffffffff87d16698
R13: ffff88820f1f7fd0 R14: ffff88821299a080 R15: 0000000000000000
FS:  00007f8b653ac8c0(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000040000 CR3: 00000001f80a3000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
invalid opcode: 0000 [#2] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 10004 Comm: systemd-udevd Not tainted 4.14.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88821299a080 task.stack: ffff88820f1f0000
RIP: 0010:warn_bad_vsyscall arch/x86/entry/vsyscall/vsyscall_64.c:79 [inline]
RIP: 0010:warn_bad_vsyscall.cold+0x39/0x189 arch/x86/entry/vsyscall/vsyscall_64.c:73
RSP: 0018:ffff88820f1f7560 EFLAGS: 00010082
RAX: ffff88821299a080 RBX: 1ffff11041e3eeb5 RCX: ffff88820f1f75c8
RDX: 0000000000000000 RSI: ffff88820f1f7608 RDI: 00007f8b644f3210
RBP: 00007f8b644f3210 R08: ffff88820f1f7690 R09: fffffbfff14a9552
R10: fffffbfff14a9551 R11: ffffffff8a54aa8b R12: ffff88820f1f7690
R13: ffff88820f1f75c8 R14: ffff88820f1f7608 R15: ffff88820f1f75e8
FS:  00007f8b653ac8c0(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000040000 CR3: 00000001f80a3000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2a 48 c1 <ea> 03 80 3c 02 00 74 05 e8 60 f2 82 00 48 8d 7b 50 b8 ff ff 37 
RIP: warn_bad_vsyscall arch/x86/entry/vsyscall/vsyscall_64.c:79 [inline] RSP: ffff88820f1f7560
RIP: warn_bad_vsyscall.cold+0x39/0x189 arch/x86/entry/vsyscall/vsyscall_64.c:73 RSP: ffff88820f1f7560
---[ end trace 01e055129f053947 ]---

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/05/11 08:36 linux-4.14.y ab9dfda23248 f8f57555 .config log report