syzbot

 sign-in | mailing list | source | docs
🐞 Open [107]
🐞 Fixed [70]
🐞 Invalid [175]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

BUG: stack guard page was hit in sys_mkdir (2)

Status: closed as dup on 2022/04/14 18:41
Reported-by: syzbot+314e62ac2b023e902c87@syzkaller.appspotmail.com
First crash: 968d, last: 952d
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
BUG: stack guard page was hit in file_open C error 25 992d 1070d
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: stack guard page was hit in sys_mkdir (4) C error 7 940d 944d 0/2 closed as dup on 2022/05/04 16:14
android-5-10 BUG: stack guard page was hit in sys_mkdir C error 1 983d 983d 0/2 closed as dup on 2022/03/14 15:44
android-5-10 BUG: stack guard page was hit in sys_mkdir (5) 1 926d 926d 0/2 auto-closed as invalid on 2022/08/08 15:11
android-5-10 BUG: stack guard page was hit in sys_mkdir (3) C error 3 948d 948d 0/2 closed as dup on 2022/04/18 23:20

Sample crash report:
BUG: stack guard page was hit at ffffc90000987ff8 (stack is ffffc90000988000..ffffc9000098ffff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 365 Comm: syz-executor334 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:update_stack_state+0xa/0x580 arch/x86/kernel/unwind_frame.c:188
Code: 00 e9 33 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 8b 07 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 48 83 ec 70 49 89 f6 49 89 fd 48 ba 00 00 00 00 00 fc ff
RSP: 0018:ffffc90000988000 EFLAGS: 00010246
RAX: ffffc900009881d0 RBX: ffffc90000988130 RCX: 1ffff9200013102f
RDX: 1ffff92000131029 RSI: ffffc900009881d0 RDI: ffffc90000988140
RBP: ffffc90000988018 R08: dffffc0000000001 R09: ffffc90000988140
R10: fffff52000131034 R11: 1ffff92000131028 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc90000988190 R15: ffffc90000988140
FS:  0000555556f98300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000987ff8 CR3: 0000000106dd3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 unwind_next_frame+0x3b0/0x6b0 arch/x86/kernel/unwind_frame.c:305
 __unwind_start+0x365/0x420 arch/x86/kernel/unwind_frame.c:407
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0xdc/0x140 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x12d/0x1f0 kernel/stacktrace.c:121
 save_stack+0x97/0x240 mm/page_owner.c:146
 __set_page_owner+0x3b/0x2e0 mm/page_owner.c:219
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2385 [inline]
 prep_new_page mm/page_alloc.c:2391 [inline]
 get_page_from_freelist+0x745/0x760 mm/page_alloc.c:4063
 __alloc_pages_nodemask+0x3b6/0x890 mm/page_alloc.c:5113
 alloc_slab_page mm/slub.c:1815 [inline]
 allocate_slab+0x78/0x540 mm/slub.c:1817
 new_slab mm/slub.c:1878 [inline]
 new_slab_objects mm/slub.c:2637 [inline]
 ___slab_alloc+0x131/0x2e0 mm/slub.c:2800
 __slab_alloc+0x63/0xa0 mm/slub.c:2840
 slab_alloc_node mm/slub.c:2922 [inline]
 slab_alloc mm/slub.c:2964 [inline]
 kmem_cache_alloc+0x1ef/0x300 mm/slub.c:2969
 __d_alloc+0x2d/0x6b0 fs/dcache.c:1709
 d_alloc fs/dcache.c:1788 [inline]
 d_alloc_parallel+0xe6/0x1330 fs/dcache.c:2540
 __lookup_slow+0x14e/0x400 fs/namei.c:1613
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_slow+0x2b3/0x400 fs/namei.c:1628
 lookup_one_len+0x43d/0x6a0 fs/namei.c:2642
 incfs_lookup_dentry+0x5f/0xb0 fs/incfs/data_mgmt.c:211
 dir_lookup+0x3b8/0x6e0 fs/incfs/vfs.c:967
 __lookup_hash+0x141/0x290 fs/namei.c:1529
 filename_create+0x207/0x770 fs/namei.c:3543
 user_path_create fs/namei.c:3600 [inline]
 do_mkdirat+0xcf/0x2d0 fs/namei.c:3740
 __do_sys_mkdir fs/namei.c:3764 [inline]
 __se_sys_mkdir fs/namei.c:3762 [inline]
 __x64_sys_mkdir+0x60/0x70 fs/namei.c:3762
 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f459c693069
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffb0796c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f459c693069
RDX: 00007f459c693069 RSI: 0000000000000000 RDI: 00000000200000c0
RBP: 00007f459c657050 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f459c6570e0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 9f63771da0ce0915 ]---
RIP: 0010:update_stack_state+0xa/0x580 arch/x86/kernel/unwind_frame.c:188
Code: 00 e9 33 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 48 8b 07 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 48 83 ec 70 49 89 f6 49 89 fd 48 ba 00 00 00 00 00 fc ff
RSP: 0018:ffffc90000988000 EFLAGS: 00010246
RAX: ffffc900009881d0 RBX: ffffc90000988130 RCX: 1ffff9200013102f
RDX: 1ffff92000131029 RSI: ffffc900009881d0 RDI: ffffc90000988140
RBP: ffffc90000988018 R08: dffffc0000000001 R09: ffffc90000988140
R10: fffff52000131034 R11: 1ffff92000131028 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc90000988190 R15: ffffc90000988140
FS:  0000555556f98300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000987ff8 CR3: 0000000106dd3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e9 33 ff ff ff       	jmpq   0xffffff38
   5:	66 2e 0f 1f 84 00 00 	nopw   %cs:0x0(%rax,%rax,1)
   c:	00 00 00
   f:	55                   	push   %rbp
  10:	48 89 e5             	mov    %rsp,%rbp
  13:	48 8b 07             	mov    (%rdi),%rax
  16:	5d                   	pop    %rbp
  17:	c3                   	retq
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	55                   	push   %rbp
  20:	48 89 e5             	mov    %rsp,%rbp
  23:	41 57                	push   %r15
  25:	41 56                	push   %r14
  27:	41 55                	push   %r13
* 29:	41 54                	push   %r12 <-- trapping instruction
  2b:	53                   	push   %rbx
  2c:	48 83 ec 70          	sub    $0x70,%rsp
  30:	49 89 f6             	mov    %rsi,%r14
  33:	49 89 fd             	mov    %rdi,%r13
  36:	48                   	rex.W
  37:	ba 00 00 00 00       	mov    $0x0,%edx
  3c:	00 fc                	add    %bh,%ah
  3e:	ff                   	.byte 0xff

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/04/14 18:26 android12-5.10-lts 414e6c8e941c b17b2923 .config console log report syz C ci2-android-5-10 BUG: stack guard page was hit in sys_mkdir
2022/04/14 18:13 android12-5.10-lts 414e6c8e941c b17b2923 .config console log report info ci2-android-5-10 BUG: stack guard page was hit in sys_mkdir
2022/04/10 22:07 android12-5.10-lts 414e6c8e941c e22c3da3 .config console log report info ci2-android-5-10 BUG: stack guard page was hit in sys_mkdir
2022/04/10 02:39 android12-5.10-lts 414e6c8e941c e22c3da3 .config console log report info ci2-android-5-10 BUG: stack guard page was hit in sys_mkdir
2022/03/29 19:22 android12-5.10-lts 414e6c8e941c 6bdac766 .config console log report info ci2-android-5-10 BUG: stack guard page was hit in sys_mkdir
* Struck through repros no longer work on HEAD.