syzbot


BUG: unable to handle kernel paging request in __raw_callee_save___kvm_vcpu_is_preempted

Status: premoderation: reported on 2024/09/16 03:08
Reported-by: syzbot+c375cc06fb939a34c8b0@syzkaller.appspotmail.com
First crash: 66d, last: 66d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 BUG: unable to handle kernel paging request in __raw_callee_save___kvm_vcpu_is_preempted 1 74d 74d 0/2 premoderation: reported on 2024/09/07 19:23
upstream BUG: unable to handle kernel paging request in __raw_callee_save___kvm_vcpu_is_preempted reiserfs 4 433d 447d 0/28 auto-obsoleted due to no activity on 2023/12/24 01:11

Sample crash report:
BUG: unable to handle page fault for address: 000000046cf38da0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 10a7d0067 P4D 10a7d0067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4435 Comm: syz.4.1160 Tainted: G        W         5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__raw_callee_save___kvm_vcpu_is_preempted+0x0/0x20
Code: 10 01 c0 be 03 00 00 00 e8 1d 44 3e 01 bf 21 10 01 c0 be 0e 00 00 00 e8 0e 44 3e 01 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc <48> 8b 04 fd b0 46 dc 85 80 b8 50 70 02 00 00 0f 95 c0 c3 66 2e 0f
RSP: 0018:ffffc90000b173f8 EFLAGS: 00010286
RAX: 1ffffffff0cd8f01 RBX: 000000009ce2e8de RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000009ce2e8de
RBP: ffffc90000b17560 R08: dffffc0000000000 R09: ffffed1024255d09
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff842313a8
R13: ffff8881212ae840 R14: dffffc0000000000 R15: dffffc0000000000
FS:  00007f27e18b96c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000046cf38da0 CR3: 0000000111531000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __mutex_lock_slowpath+0xe/0x10 kernel/locking/mutex.c:1379
 mutex_lock+0xd6/0x110 kernel/locking/mutex.c:299
 steam_input_open+0x91/0x1a0 drivers/hid/hid-steam.c:297
 input_open_device+0x151/0x2a0 drivers/input/input.c:635
 evdev_open_device drivers/input/evdev.c:400 [inline]
 evdev_open+0x3a5/0x5c0 drivers/input/evdev.c:487
 chrdev_open+0x4f7/0x620 fs/char_dev.c:414
 do_dentry_open+0x7c1/0x10d0 fs/open.c:819
 vfs_open+0x73/0x80 fs/open.c:942
 do_open fs/namei.c:3391 [inline]
 path_openat+0x2660/0x3000 fs/namei.c:3509
 do_filp_open+0x21c/0x460 fs/namei.c:3536
 do_sys_openat2+0x13f/0x710 fs/open.c:1217
 do_sys_open fs/open.c:1233 [inline]
 __do_sys_openat fs/open.c:1249 [inline]
 __se_sys_openat fs/open.c:1244 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1244
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f27e2c3e890
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 19 8f 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 6c 8f 02 00 8b 44
RSP: 002b:00007f27e18b8b70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f27e2c3e890
RDX: 0000000000000000 RSI: 00007f27e18b8c10 RDI: 00000000ffffff9c
RBP: 00007f27e18b8c10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f27e2df7f80 R15: 00007ffcc992abd8
Modules linked in:
CR2: 000000046cf38da0
---[ end trace be506d4cf363e836 ]---
RIP: 0010:__raw_callee_save___kvm_vcpu_is_preempted+0x0/0x20
Code: 10 01 c0 be 03 00 00 00 e8 1d 44 3e 01 bf 21 10 01 c0 be 0e 00 00 00 e8 0e 44 3e 01 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc <48> 8b 04 fd b0 46 dc 85 80 b8 50 70 02 00 00 0f 95 c0 c3 66 2e 0f
RSP: 0018:ffffc90000b173f8 EFLAGS: 00010286
RAX: 1ffffffff0cd8f01 RBX: 000000009ce2e8de RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000009ce2e8de
RBP: ffffc90000b17560 R08: dffffc0000000000 R09: ffffed1024255d09
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff842313a8
R13: ffff8881212ae840 R14: dffffc0000000000 R15: dffffc0000000000
FS:  00007f27e18b96c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000046cf38da0 CR3: 0000000111531000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	10 01                	adc    %al,(%rcx)
   2:	c0 be 03 00 00 00 e8 	sarb   $0xe8,0x3(%rsi)
   9:	1d 44 3e 01 bf       	sbb    $0xbf013e44,%eax
   e:	21 10                	and    %edx,(%rax)
  10:	01 c0                	add    %eax,%eax
  12:	be 0e 00 00 00       	mov    $0xe,%esi
  17:	e8 0e 44 3e 01       	call   0x13e442a
  1c:	5d                   	pop    %rbp
  1d:	c3                   	ret
  1e:	cc                   	int3
  1f:	cc                   	int3
  20:	cc                   	int3
  21:	cc                   	int3
  22:	cc                   	int3
  23:	cc                   	int3
  24:	cc                   	int3
  25:	cc                   	int3
  26:	cc                   	int3
  27:	cc                   	int3
  28:	cc                   	int3
  29:	cc                   	int3
* 2a:	48 8b 04 fd b0 46 dc 	mov    -0x7a23b950(,%rdi,8),%rax <-- trapping instruction
  31:	85
  32:	80 b8 50 70 02 00 00 	cmpb   $0x0,0x27050(%rax)
  39:	0f 95 c0             	setne  %al
  3c:	c3                   	ret
  3d:	66                   	data16
  3e:	2e                   	cs
  3f:	0f                   	.byte 0xf

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/16 03:07 android13-5.10-lts 8d23314f588a 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: unable to handle kernel paging request in __raw_callee_save___kvm_vcpu_is_preempted
* Struck through repros no longer work on HEAD.