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BUG: stack guard page was hit in sys_mount

Status: closed as dup on 2022/03/29 16:35
Reported-by: syzbot+23fa32d499d540cfef18@syzkaller.appspotmail.com
First crash: 773d, last: 766d
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 789d 868d
▶ ▼ 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 747d 748d 0/2 closed as dup on 2022/04/18 14:30
android-5-10 BUG: stack guard page was hit in sys_mount (2) C error 2 763d 763d 0/2 closed as dup on 2022/04/01 14:43
android-5-10 BUG: stack guard page was hit in sys_mount (6) C error 1 748d 748d 0/2 closed as dup on 2022/04/15 20:39
android-5-10 BUG: stack guard page was hit in sys_mount (3) C error 1 756d 756d 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 722d 722d 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 750d 750d 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 723d 723d 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 733d 744d 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 753d 755d 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 722d 722d 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 744d 744d 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 723d 724d 0/2 closed as dup on 2022/05/11 00:32
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2022/03/29 22:26 10m tadeusz.struk@linaro.org patch https://android.googlesource.com/kernel/common android13-5.10 OK
2022/03/28 16:22 10m tadeusz.struk@linaro.org https://android.googlesource.com/kernel/common android13-5.10 OK

Sample crash report:
BUG: stack guard page was hit at ffffc90000bffff8 (stack is ffffc90000c00000..ffffc90000c07fff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 377 Comm: syz-executor145 Not tainted 5.10.108-syzkaller-00653-gab2d1d40a128 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_preemption_disabled+0x4/0x180 lib/smp_processor_id.c:13
Code: cc cc cc cc cc cc 55 48 89 e5 0f 1f 44 00 00 48 c7 c7 80 bf 49 85 48 c7 c6 c0 bf 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
RSP: 0018:ffffc90000c00000 EFLAGS: 00010802
RAX: f3f3f300f1f1f1f1 RBX: ffff8881f7056930 RCX: 1ffff92000180040
RDX: 1ffff92000180020 RSI: ffffffff8549bfc0 RDI: ffffffff8549bf80
RBP: ffffc90000c00000 R08: ffffffff86e3c008 R09: ffffffff86e3c018
R10: ffffffff86e3c010 R11: ffffffff86e3c003 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8881079f13c0 R15: ffff8881079f13c0
FS:  00007f970eeb6700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000bffff8 CR3: 0000000106f9c000 CR4: 00000000003506b0
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
 rcu_note_context_switch+0x8a/0x10b0 kernel/rcu/tree_plugin.h:292
 __schedule+0x119/0xda0 kernel/sched/core.c:4690
 preempt_schedule_irq+0xce/0x140 kernel/sched/core.c:5051
 irqentry_exit_cond_resched kernel/entry/common.c:357 [inline]
 irqentry_exit+0x50/0x60 kernel/entry/common.c:387
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1095
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:update_stack_state+0x415/0x530 arch/x86/kernel/unwind_frame.c:242
Code: 6d 02 00 49 39 06 74 0d 48 89 df e8 f5 fb ff ff 48 89 c3 eb 22 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 48 89 df e8 11 eb 72 00 48 8b 1b 49 83 c5 48 4c 89 e8 48 c1
RSP: 0018:ffffc90000c00420 EFLAGS: 00000246
RAX: 1ffff920001800db RBX: ffffc90000c006d8 RCX: dffffc0000000000
RDX: 1ffff920001800ae RSI: ffffc90000c006d0 RDI: ffffc90000c00560
RBP: ffffc90000c004b8 R08: ffffc90000c00648 R09: 0000000000000000
R10: ffffc90000c00650 R11: 0000000000000000 R12: 1ffff920001800b4
R13: ffffc90000c00560 R14: ffffc90000c00588 R15: ffffc90000c005a0
 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_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: 0033:0x7f970ef09359
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 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:00007f970eeb6208 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f970ef09359
RDX: 0000000020000340 RSI: 0000000020000000 RDI: 00000000200002c0
RBP: 00007f970ef8d3e0 R08: 0000000000000000 R09: 00007f970ef8d3e8
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f970ef8d3ec
R13: 00007ffd22849d2f R14: 00007f970eeb6300 R15: 0000000000022000
Modules linked in:
---[ end trace 273c4a4f86fee23c ]---
RIP: 0010:check_preemption_disabled+0x4/0x180 lib/smp_processor_id.c:13
Code: cc cc cc cc cc cc 55 48 89 e5 0f 1f 44 00 00 48 c7 c7 80 bf 49 85 48 c7 c6 c0 bf 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
RSP: 0018:ffffc90000c00000 EFLAGS: 00010802
RAX: f3f3f300f1f1f1f1 RBX: ffff8881f7056930 RCX: 1ffff92000180040
RDX: 1ffff92000180020 RSI: ffffffff8549bfc0 RDI: ffffffff8549bf80
RBP: ffffc90000c00000 R08: ffffffff86e3c008 R09: ffffffff86e3c018
R10: ffffffff86e3c010 R11: ffffffff86e3c003 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8881079f13c0 R15: ffff8881079f13c0
FS:  00007f970eeb6700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000bffff8 CR3: 0000000106f9c000 CR4: 00000000003506b0
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:	cc                   	int3
   5:	cc                   	int3
   6:	55                   	push   %rbp
   7:	48 89 e5             	mov    %rsp,%rbp
   a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   f:	48 c7 c7 80 bf 49 85 	mov    $0xffffffff8549bf80,%rdi
  16:	48 c7 c6 c0 bf 49 85 	mov    $0xffffffff8549bfc0,%rsi
  1d:	e8 04 00 00 00       	callq  0x26
  22:	5d                   	pop    %rbp
  23:	c3                   	retq
  24:	66 90                	xchg   %ax,%ax
  26:	55                   	push   %rbp
  27:	48 89 e5             	mov    %rsp,%rbp
* 2a:	41 57                	push   %r15 <-- trapping instruction
  2c:	41 56                	push   %r14
  2e:	41 55                	push   %r13
  30:	41 54                	push   %r12
  32:	53                   	push   %rbx
  33:	48 83 ec 18          	sub    $0x18,%rsp
  37:	49 89 f6             	mov    %rsi,%r14
  3a:	49 89 ff             	mov    %rdi,%r15
  3d:	65                   	gs
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b

Crashes (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/27 15:11 android12-5.10-lts ab2d1d40a128 89bc8608 .config console log report syz C ci2-android-5-10 BUG: stack guard page was hit in sys_mount
2022/03/29 00:01 android12-5.10-lts ab2d1d40a128 6bdac766 .config console log report info ci2-android-5-10 BUG: stack guard page was hit in sys_mount
2022/03/22 23:32 android12-5.10-lts 9a559b886861 d88ef0c5 .config console log report info ci2-android-5-10 BUG: stack guard page was hit in sys_mount
2022/03/22 03:25 android12-5.10-lts 9a559b886861 e2d91b1d .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.