syzbot


BUG: unable to handle kernel paging request in __raw_callee_save___kvm_vcpu_is_preempted

Status: premoderation: reported on 2024/09/07 19:23
Reported-by: syzbot+c5bf331a54ed8d3b411f@syzkaller.appspotmail.com
First crash: 74d, last: 74d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: unable to handle kernel paging request in __raw_callee_save___kvm_vcpu_is_preempted 1 66d 66d 0/2 premoderation: reported on 2024/09/16 03:08
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: 000000004720e4a0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 11ab63067 P4D 11ab63067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4484 Comm: syz.3.1038 Not tainted 5.15.157-syzkaller-00897-g53be7c8abe11 #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 fd 75 51 01 bf 21 10 01 c0 be 0e 00 00 00 e8 ee 75 51 01 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc <48> 8b 04 fd 20 c8 25 86 80 b8 50 70 02 00 00 0f 95 c0 c3 66 2e 0f
RSP: 0018:ffffc90000ee72d8 EFLAGS: 00010282
RAX: 1ffffffff0d5ab16 RBX: dffffc0000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000181f6390
RBP: ffffc90000ee7500 R08: dffffc0000000000 R09: ffffed102292d58b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102295b278
R13: 1ffff920001dce88 R14: 1ffff920001dce6c R15: 00000000181f6390
FS:  00007f4235b066c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000004720e4a0 CR3: 00000001161f5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mutex_lock_slowpath+0xe/0x10 kernel/locking/mutex.c:1007
 mutex_lock+0x135/0x1e0 kernel/locking/mutex.c:289
 steam_input_open+0x91/0x1a0 drivers/hid/hid-steam.c:297
 input_open_device+0x1a5/0x310 drivers/input/input.c:640
 evdev_open_device drivers/input/evdev.c:404 [inline]
 evdev_open+0x3df/0x620 drivers/input/evdev.c:491
 chrdev_open+0x4f7/0x620 fs/char_dev.c:414
 do_dentry_open+0x81c/0xfd0 fs/open.c:828
 vfs_open+0x73/0x80 fs/open.c:958
 do_open fs/namei.c:3608 [inline]
 path_openat+0x26f0/0x2f40 fs/namei.c:3742
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13f/0x830 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_openat fs/open.c:1266 [inline]
 __se_sys_openat fs/open.c:1261 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1261
 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:258
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4236e8a890
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:00007f4235b05b70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4236e8a890
RDX: 0000000000000000 RSI: 00007f4235b05c10 RDI: 00000000ffffff9c
RBP: 00007f4235b05c10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4237044f80 R15: 00007ffed3ef8088
 </TASK>
Modules linked in:
CR2: 000000004720e4a0
---[ end trace d8f262cf5416d298 ]---
RIP: 0010:__raw_callee_save___kvm_vcpu_is_preempted+0x0/0x20
Code: 10 01 c0 be 03 00 00 00 e8 fd 75 51 01 bf 21 10 01 c0 be 0e 00 00 00 e8 ee 75 51 01 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc <48> 8b 04 fd 20 c8 25 86 80 b8 50 70 02 00 00 0f 95 c0 c3 66 2e 0f
RSP: 0018:ffffc90000ee72d8 EFLAGS: 00010282
RAX: 1ffffffff0d5ab16 RBX: dffffc0000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000181f6390
RBP: ffffc90000ee7500 R08: dffffc0000000000 R09: ffffed102292d58b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102295b278
R13: 1ffff920001dce88 R14: 1ffff920001dce6c R15: 00000000181f6390
FS:  00007f4235b066c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000004720e4a0 CR3: 00000001161f5000 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:	fd                   	std
   a:	75 51                	jne    0x5d
   c:	01 bf 21 10 01 c0    	add    %edi,-0x3ffeefdf(%rdi)
  12:	be 0e 00 00 00       	mov    $0xe,%esi
  17:	e8 ee 75 51 01       	call   0x151760a
  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 20 c8 25 	mov    -0x79da37e0(,%rdi,8),%rax <-- trapping instruction
  31:	86
  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
2024/09/07 19:22 android13-5.15-lts 53be7c8abe11 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: unable to handle kernel paging request in __raw_callee_save___kvm_vcpu_is_preempted
* Struck through repros no longer work on HEAD.