syzbot


BUG: unable to handle kernel paging request in do_syscall_64

Status: closed as dup on 2020/08/15 13:35
Reported-by: syzbot+10350b0dcbda1353f610@syzkaller.appspotmail.com
First crash: 817d, last: 817d
Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
general protection fault in syscall_return_slowpath syz inconclusive done 1 804d 890d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 BUG: unable to handle kernel paging request in do_syscall_64 1 826d 826d 0/1 auto-closed as invalid on 2020/09/08 08:37
linux-4.19 BUG: unable to handle kernel paging request in do_syscall_64 C done 3 356d 874d 1/1 fixed on 2021/09/26 12:12

Sample crash report:
BUG: unable to handle page fault for address: fffffffffffffff0
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 927c067 P4D 927c067 PUD 927e067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19639 Comm: syz-executor.5 Not tainted 5.7.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295
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 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc90008687f28 EFLAGS: 00010293
RAX: fffffffffffffff0 RBX: ffffffff88600350 RCX: ffff888086b2c340
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81c00e99 R09: ffffed10149cf358
R10: ffffed10149cf358 R11: 0000000000000000 R12: 0000000000000010
R13: dffffc0000000000 R14: ffffc90008687f58 R15: 0000000000000000
FS:  00007f1dc3f39700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff0 CR3: 000000009180f000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c8f7
Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f1dc3f38a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1dc3f396d4 RCX: 000000000045c8f7
RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000bf9 R14: 0000000000000003 R15: 00007f1dc3f396d4
Modules linked in:
CR2: fffffffffffffff0
---[ end trace bdb1480476ded816 ]---
RIP: 0010:do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295
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 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc90008687f28 EFLAGS: 00010293
RAX: fffffffffffffff0 RBX: ffffffff88600350 RCX: ffff888086b2c340
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81c00e99 R09: ffffed10149cf358
R10: ffffed10149cf358 R11: 0000000000000000 R12: 0000000000000010
R13: dffffc0000000000 R14: ffffc90008687f58 R15: 0000000000000000
FS:  00007f1dc3f39700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff0 CR3: 000000009180f000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/05/20 13:18 upstream 115a54162a6c 1255f02a .config log report