syzbot


BUG: stack guard page was hit in corrupted (12)

Status: closed as dup on 2022/03/21 14:57
Reported-by: syzbot+24caeae808251614089e@syzkaller.appspotmail.com
First crash: 798d, last: 796d
Cause bisection: introduced by (bisect log) :
commit 07630c80731a93d066b6365b53a033841baebd54
Author: Paul Lawrence <paullawrence@google.com>
Date: Fri Feb 4 15:20:46 2022 +0000

  Revert "ANDROID: incremental-fs: fix mount_fs issue"

Crash: BUG: stack guard page was hit in sys_mkdir (log)
Repro: C syz .config
  
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
BUG: stack guard page was hit in file_open C error 25 811d 890d
Similar bugs (22)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: stack guard page was hit in corrupted (14) C error 2 793d 793d 0/2 closed as dup on 2022/03/24 14:58
android-5-10 BUG: stack guard page was hit in corrupted (16) C error 2 787d 789d 0/2 closed as dup on 2022/03/30 17:23
android-5-10 BUG: stack guard page was hit in corrupted (9) C error 1 801d 801d 0/2 closed as dup on 2022/03/16 16:28
android-5-10 BUG: stack guard page was hit in corrupted (13) C error 1 795d 795d 0/2 closed as dup on 2022/03/22 16:23
android-5-10 BUG: stack guard page was hit in corrupted (17) C error 3 784d 784d 0/2 closed as dup on 2022/04/04 16:48
android-5-10 BUG: stack guard page was hit in corrupted (5) C error 3 806d 806d 0/2 closed as dup on 2022/03/11 15:58
android-5-10 BUG: stack guard page was hit in corrupted (19) C 1 777d 777d 0/2 closed as dup on 2022/04/08 17:06
android-5-10 BUG: stack guard page was hit in corrupted (6) C error 1 805d 805d 0/2 closed as dup on 2022/03/11 22:51
android-5-10 BUG: stack guard page was hit in corrupted (20) C error 1 775d 775d 0/2 closed as dup on 2022/04/11 14:20
android-5-10 BUG: stack guard page was hit in corrupted (21) C error 3 761d 762d 0/2 closed as dup on 2022/05/04 16:12
android-5-10 BUG: stack guard page was hit in corrupted (8) C 1 802d 802d 0/2 closed as dup on 2022/03/14 15:44
android-5-10 BUG: stack guard page was hit in corrupted (4) C error 1 807d 807d 0/2 closed as dup on 2022/03/09 18:22
android-5-10 BUG: stack guard page was hit in corrupted (7) C error 1 805d 805d 0/2 closed as dup on 2022/03/13 15:49
android-5-10 BUG: stack guard page was hit in corrupted (18) C error 1 780d 780d 0/2 closed as dup on 2022/04/05 20:24
android-5-10 BUG: stack guard page was hit in corrupted C error 3 836d 872d 0/2 closed as invalid on 2022/02/28 16:10
android-5-10 BUG: stack guard page was hit in corrupted (10) C error 1 799d 799d 0/2 closed as dup on 2022/03/17 16:45
android-5-10 BUG: stack guard page was hit in corrupted (15) C error 1 792d 792d 0/2 closed as dup on 2022/03/25 16:30
android-5-10 BUG: stack guard page was hit in corrupted (2) C error 2 813d 815d 0/2 closed as dup on 2022/03/02 15:48
android-5-10 BUG: stack guard page was hit in corrupted (3) C error 1 808d 808d 0/2 closed as dup on 2022/03/09 15:36
android-5-10 BUG: stack guard page was hit in corrupted (11) C error 2 798d 798d 0/2 closed as dup on 2022/03/18 21:48
android-5-10 BUG: stack guard page was hit in corrupted (22) syz done done 1 746d 746d 0/2 auto-closed as invalid on 2022/08/31 02:51
android-5-10 BUG: stack guard page was hit in corrupted (23) syz error error 1 347d 347d 0/2 auto-obsoleted due to no activity on 2023/09/30 03:13

Sample crash report:
BUG: stack guard page was hit at ffffc90000c2ffb8 (stack is ffffc90000c30000..ffffc90000c37fff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 391 Comm: syz-executor108 Not tainted 5.10.106-syzkaller-00514-g5287773dba0d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__find_get_block+0x1b/0xbd0 fs/buffer.c:1332
Code: 5c 41 5d 41 5e 41 5f 5d c3 e8 01 e6 d7 02 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00 00 00 41 89 d5 <48> 89 34 24 48 89 7c 24 08 65 48 8b 04 25 28 00 00 00 48 89 84 24
RSP: 0018:ffffc90000c2ffc0 EFLAGS: 00010286
RAX: ffffffff81be2911 RBX: 0000000000000008 RCX: ffff88811d894f00
RDX: 0000000000001000 RSI: 00000000000000d8 RDI: ffff88810044aa80
RBP: ffffc90000c300a0 R08: ffffffff81e8b8e0 R09: ffffc90000c301e0
R10: fffff52000186041 R11: 0000000000000000 R12: ffff88810044aa80
R13: 0000000000001000 R14: 0000000000001000 R15: 00000000000000d8
FS:  00007f2ed47fd700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000c2ffb8 CR3: 00000001079f8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace 942b74ef1a99f2fe ]---
RIP: 0010:__find_get_block+0x1b/0xbd0 fs/buffer.c:1332
Code: 5c 41 5d 41 5e 41 5f 5d c3 e8 01 e6 d7 02 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00 00 00 41 89 d5 <48> 89 34 24 48 89 7c 24 08 65 48 8b 04 25 28 00 00 00 48 89 84 24
RSP: 0018:ffffc90000c2ffc0 EFLAGS: 00010286
RAX: ffffffff81be2911 RBX: 0000000000000008 RCX: ffff88811d894f00
RDX: 0000000000001000 RSI: 00000000000000d8 RDI: ffff88810044aa80
RBP: ffffc90000c300a0 R08: ffffffff81e8b8e0 R09: ffffc90000c301e0
R10: fffff52000186041 R11: 0000000000000000 R12: ffff88810044aa80
R13: 0000000000001000 R14: 0000000000001000 R15: 00000000000000d8
FS:  00007f2ed47fd700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000c2ffb8 CR3: 00000001079f8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	5c                   	pop    %rsp
   1:	41 5d                	pop    %r13
   3:	41 5e                	pop    %r14
   5:	41 5f                	pop    %r15
   7:	5d                   	pop    %rbp
   8:	c3                   	retq
   9:	e8 01 e6 d7 02       	callq  0x2d7e60f
   e:	90                   	nop
   f:	55                   	push   %rbp
  10:	48 89 e5             	mov    %rsp,%rbp
  13:	41 57                	push   %r15
  15:	41 56                	push   %r14
  17:	41 55                	push   %r13
  19:	41 54                	push   %r12
  1b:	53                   	push   %rbx
  1c:	48 83 e4 e0          	and    $0xffffffffffffffe0,%rsp
  20:	48 81 ec a0 00 00 00 	sub    $0xa0,%rsp
  27:	41 89 d5             	mov    %edx,%r13d
* 2a:	48 89 34 24          	mov    %rsi,(%rsp) <-- trapping instruction
  2e:	48 89 7c 24 08       	mov    %rdi,0x8(%rsp)
  33:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  3a:	00 00
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	84                   	.byte 0x84
  3f:	24                   	.byte 0x24

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/21 01:16 android12-5.10-lts 5287773dba0d e2d91b1d .config console log report syz C ci2-android-5-10 BUG: stack guard page was hit in corrupted
2022/03/19 06:40 android12-5.10-lts 5287773dba0d e2d91b1d .config console log report syz C ci2-android-5-10 BUG: stack guard page was hit in corrupted
* Struck through repros no longer work on HEAD.