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

Status: closed as dup on 2022/04/01 14:43
Reported-by: syzbot+e4e7c88d7d26935a4533@syzkaller.appspotmail.com
First crash: 969d, last: 968d
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 995d 1073d
▶ ▼ Similar bugs (12)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: stack guard page was hit in sys_mount (7) C error 3 952d 953d 0/2 closed as dup on 2022/04/18 14:30
android-5-10 BUG: stack guard page was hit in sys_mount (6) C error 1 954d 954d 0/2 closed as dup on 2022/04/15 20:39
android-5-10 BUG: stack guard page was hit in sys_mount C error 4 972d 973d 0/2 closed as dup on 2022/03/29 16:35
android-5-10 BUG: stack guard page was hit in sys_mount (3) C error 1 962d 962d 0/2 closed as dup on 2022/04/08 14:40
android-5-10 BUG: stack guard page was hit in sys_mount (13) C error 1 927d 927d 0/2 closed as dup on 2022/05/12 14:30
android-5-10 BUG: stack guard page was hit in sys_mount (5) C error 2 955d 955d 0/2 closed as dup on 2022/04/14 18:04
android-5-10 BUG: stack guard page was hit in sys_mount (11) C error 1 928d 928d 0/2 closed as dup on 2022/05/11 16:52
android-5-10 BUG: stack guard page was hit in sys_mount (9) C error 11 938d 949d 0/2 closed as dup on 2022/05/04 16:15
android-5-10 BUG: stack guard page was hit in sys_mount (4) C error 6 959d 960d 0/2 closed as dup on 2022/04/11 14:20
android-5-10 BUG: stack guard page was hit in sys_mount (12) C error 1 928d 928d 0/2 closed as dup on 2022/05/11 21:59
android-5-10 BUG: stack guard page was hit in sys_mount (8) C error 2 950d 950d 0/2 closed as dup on 2022/04/19 18:35
android-5-10 BUG: stack guard page was hit in sys_mount (10) C error 3 929d 930d 0/2 closed as dup on 2022/05/11 00:32
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2022/03/31 20:46 10m tadeusz.struk@linaro.org patch https://android.googlesource.com/kernel/common android13-5.10 OK

Sample crash report:
BUG: stack guard page was hit at ffffc90000c0fff8 (stack is ffffc90000c10000..ffffc90000c17fff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 380 Comm: syz-executor411 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:check_preemption_disabled+0x6/0x180 lib/smp_processor_id.c:13
Code: cc cc cc cc 55 48 89 e5 0f 1f 44 00 00 48 c7 c7 00 c2 49 85 48 c7 c6 40 c2 49 85 e8 04 00 00 00 5d c3 66 90 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 ec 18 49 89 f6 49 89 ff 65 48 8b 04 25
RSP: 0018:ffffc90000c10000 EFLAGS: 00010086
RAX: 1ffff11020d36900 RBX: ffff8881069b4f24 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8549c240 RDI: ffffffff8549c200
RBP: ffffc90000c10008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881069b4f00 R15: 0000000000000000
FS:  00007fab73b79700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000c0fff8 CR3: 00000001083e1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 debug_smp_processor_id+0x1c/0x20 lib/smp_processor_id.c:59
 irqtime_account_irq+0x19/0x2d0 kernel/sched/cputime.c:55
 account_irq_enter_time include/linux/vtime.h:109 [inline]
 irq_enter_rcu+0x6f/0xa0 kernel/softirq.c:374
 sysvec_call_function_single+0x19/0xe0 arch/x86/kernel/smp.c:243
 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:643
RIP: 0010:update_stack_state+0x317/0x530 arch/x86/kernel/unwind_frame.c:233
Code: 08 00 74 08 48 89 df e8 67 f1 72 00 f6 03 03 0f 84 90 00 00 00 31 db e9 19 01 00 00 4d 8d 75 38 48 89 d8 4c 89 f3 48 c1 eb 03 <80> 3c 03 00 74 08 4c 89 f7 e8 db f1 72 00 48 8b 45 90 49 89 06 48
RSP: 0018:ffffc90000c10160 EFLAGS: 00000a02
RAX: dffffc0000000000 RBX: 1ffff9200018205b RCX: 1ffff92000182054
RDX: 1ffff92000182056 RSI: ffffc90000c12810 RDI: ffffc90000c102a0
RBP: ffffc90000c101f8 R08: ffffc90000c10388 R09: 0000000000000030
R10: ffffc90000c10390 R11: 0000000000000000 R12: 1ffff9200018205c
R13: ffffc90000c102a0 R14: ffffc90000c102d8 R15: ffffc90000c102e0
 unwind_next_frame+0x3d4/0x740 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x112/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x11b/0x1e0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:428 [inline]
 __kasan_slab_alloc+0xb2/0xe0 mm/kasan/common.c:461
 kasan_slab_alloc include/linux/kasan.h:259 [inline]
 slab_post_alloc_hook mm/slab.h:583 [inline]
 slab_alloc_node mm/slub.c:2956 [inline]
 slab_alloc mm/slub.c:2964 [inline]
 kmem_cache_alloc+0x1a2/0x380 mm/slub.c:2969
 __d_alloc+0x2d/0x6b0 fs/dcache.c:1709
 d_alloc fs/dcache.c:1788 [inline]
 d_alloc_parallel+0xf3/0x1360 fs/dcache.c:2540
 __lookup_slow+0x14e/0x400 fs/namei.c:1613
 lookup_one_len+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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+0x17f/0x2c0 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_slow fs/namei.c:1645 [inline]
 walk_component+0x516/0x790 fs/namei.c:1940
 lookup_last fs/namei.c:2389 [inline]
 path_lookupat+0x19d/0x6c0 fs/namei.c:2413
 filename_lookup+0x23f/0x6c0 fs/namei.c:2446
 user_path_at_empty+0x40/0x50 fs/namei.c:2726
 user_path_at include/linux/namei.h:59 [inline]
 do_mount fs/namespace.c:3239 [inline]
 __do_sys_mount fs/namespace.c:3450 [inline]
 __se_sys_mount+0x2bc/0x3b0 fs/namespace.c:3427
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427
 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fab73bccae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fab73b79208 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fab73bccae9
RDX: 0000000020000200 RSI: 0000000020000040 RDI: 0000000020000080
RBP: 00007fab73c514a0 R08: 0000000000000000 R09: 00007fab73c514a8
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fab73c514ac
R13: 00007ffee600a02f R14: 00007fab73b79300 R15: 0000000000022000
Modules linked in:
---[ end trace 29277a935ad90a8d ]---
RIP: 0010:check_preemption_disabled+0x6/0x180 lib/smp_processor_id.c:13
Code: cc cc cc cc 55 48 89 e5 0f 1f 44 00 00 48 c7 c7 00 c2 49 85 48 c7 c6 40 c2 49 85 e8 04 00 00 00 5d c3 66 90 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 ec 18 49 89 f6 49 89 ff 65 48 8b 04 25
RSP: 0018:ffffc90000c10000 EFLAGS: 00010086
RAX: 1ffff11020d36900 RBX: ffff8881069b4f24 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8549c240 RDI: ffffffff8549c200
RBP: ffffc90000c10008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881069b4f00 R15: 0000000000000000
FS:  00007fab73b79700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000c0fff8 CR3: 00000001083e1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	cc                   	int3
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	55                   	push   %rbp
   5:	48 89 e5             	mov    %rsp,%rbp
   8:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   d:	48 c7 c7 00 c2 49 85 	mov    $0xffffffff8549c200,%rdi
  14:	48 c7 c6 40 c2 49 85 	mov    $0xffffffff8549c240,%rsi
  1b:	e8 04 00 00 00       	callq  0x24
  20:	5d                   	pop    %rbp
  21:	c3                   	retq
  22:	66 90                	xchg   %ax,%ax
  24:	55                   	push   %rbp
  25:	48 89 e5             	mov    %rsp,%rbp
  28:	41 57                	push   %r15
* 2a:	41 56                	push   %r14 <-- trapping instruction
  2c:	41 55                	push   %r13
  2e:	41 54                	push   %r12
  30:	53                   	push   %rbx
  31:	48 83 ec 18          	sub    $0x18,%rsp
  35:	49 89 f6             	mov    %rsi,%r14
  38:	49 89 ff             	mov    %rdi,%r15
  3b:	65                   	gs
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	04 25                	add    $0x25,%al

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/31 20:29 android12-5.10-lts 414e6c8e941c c4c32d8c .config console log report syz C ci2-android-5-10 BUG: stack guard page was hit in sys_mount
2022/04/01 11:05 android12-5.10-lts 414e6c8e941c 68fc921a .config console log report info ci2-android-5-10 BUG: stack guard page was hit in sys_mount
* Struck through repros no longer work on HEAD.