syzbot


BUG: unable to handle kernel paging request in syscall_trace_enter

Status: auto-closed as invalid on 2021/04/07 12:22
Reported-by: syzbot+9811aace89fc431b319b@syzkaller.appspotmail.com
First crash: 1534d, last: 1446d

Sample crash report:
BUG: unable to handle page fault for address: ffffffffa00b01de
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 520f067 P4D 520f067 PUD 5210063 PMD 1ef7ad067 PTE 0
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 382 Comm: syz-executor.2 Not tainted 5.4.81-syzkaller-00868-g32c81c873563 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0xffffffffa00b01de
Code: Bad RIP value.
RSP: 0018:ffff8881afb17d18 EFLAGS: 00010246
RAX: 1ffff92000006606 RBX: dffffc0000000000 RCX: ffff8881ea260f80
RDX: 0000000000000000 RSI: ffffc90000033038 RDI: ffff8881afb17d60
RBP: ffff8881afb17dd0 R08: ffffffff81006bb0 R09: fffffbfff0a779f5
R10: fffffbfff0a779f5 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffc90000033000 R14: ffff8881afb17d60 R15: 00000000000000e4
FS:  0000000001edb940(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffa00b01b4 CR3: 00000001afb52000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 trace_sys_enter include/trace/events/syscalls.h:18 [inline]
 syscall_trace_enter+0x934/0xa50 arch/x86/entry/common.c:124
 do_syscall_64+0x69/0x150 arch/x86/entry/common.c:286
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x460f5a
Code: 25 18 00 00 00 00 74 01 f0 48 0f b1 3d 0f a7 25 01 48 39 c2 75 da f3 c3 0f 1f 84 00 00 00 00 00 48 63 ff b8 e4 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 c7 c2 d4 ff ff ff f7
RSP: 002b:00007ffec0f5a668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4
RAX: ffffffffffffffda RBX: 000000000002106a RCX: 0000000000460f5a
RDX: 0000000000000000 RSI: 00007ffec0f5a670 RDI: 0000000000000001
RBP: 0000000000000176 R08: 0000000000000001 R09: 0000000001edb940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 00007ffec0f5a6d0 R14: 00007ffec0f5a6e0 R15: 0000000000021050
Modules linked in:
CR2: ffffffffa00b01de
---[ end trace dbd6e33cc09780dc ]---
RIP: 0010:0xffffffffa00b01de
Code: Bad RIP value.
RSP: 0018:ffff8881afb17d18 EFLAGS: 00010246
RAX: 1ffff92000006606 RBX: dffffc0000000000 RCX: ffff8881ea260f80
RDX: 0000000000000000 RSI: ffffc90000033038 RDI: ffff8881afb17d60
RBP: ffff8881afb17dd0 R08: ffffffff81006bb0 R09: fffffbfff0a779f5
R10: fffffbfff0a779f5 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffc90000033000 R14: ffff8881afb17d60 R15: 00000000000000e4
FS:  0000000001edb940(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffa00b01b4 CR3: 00000001afb52000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/12/08 12:22 android12-5.4 32c81c873563 9af51e31 .config console log report info ci2-android-5-4-kasan
2020/09/25 20:37 https://android.googlesource.com/kernel/common android-5.4 63d1c2f0b547 4a006f63 .config console log report info ci2-android-5-4-kasan
2020/09/10 17:54 https://android.googlesource.com/kernel/common android-5.4 2e92971666a3 ac7ca78e .config console log report ci2-android-5-4-kasan
* Struck through repros no longer work on HEAD.