BUG: stack guard page was hit in file_open (10)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: de64d941a71a Merge 5.10.112 into android12-5.10-lts
git tree: android12-5.10-lts
console output: https://syzkaller.appspot.com/x/log.txt?x=17503551f00000
kernel config: https://syzkaller.appspot.com/x/.config?x=42eb3bb85aaa1fc9
dashboard link: https://syzkaller.appspot.com/bug?extid=6a5924721007f413b88f
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12d5a6caf00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1686d95af00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6a5924...@syzkaller.appspotmail.com

BUG: stack guard page was hit at ffffc90000977ff8 (stack is ffffc90000978000..ffffc9000097ffff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 371 Comm: syz-executor225 Not tainted 5.10.112-syzkaller-00287-gde64d941a71a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_preemption_disabled+0x4/0x100 lib/smp_processor_id.c:13
Code: 02 5d c3 cc cc cc 55 48 89 e5 48 c7 c7 00 d2 43 85 48 c7 c6 40 d2 43 85 e8 09 00 00 00 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <41> 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89
RSP: 0018:ffffc90000978000 EFLAGS: 00010802
RAX: f3f3f300f1f1f1f1 RBX: ffff8881f7155e00 RCX: 1ffff9200012f040
RDX: 1ffff9200012f020 RSI: ffffffff8543d240 RDI: ffffffff8543d200
RBP: ffffc90000978000 R08: dffffc0000000000 R09: ffffed1023a54001
R10: ffffed1023a54001 R11: 1ffff11023a54000 R12: 0000000000000001
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88811d2a0000
FS: 00007f711bec7700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000977ff8 CR3: 00000001073f1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:59
rcu_note_context_switch+0x8a/0x10c0 kernel/rcu/tree_plugin.h:292
__schedule+0x114/0xc00 kernel/sched/core.c:4691
preempt_schedule_irq+0xce/0x140 kernel/sched/core.c:5052
irqentry_exit_cond_resched kernel/entry/common.c:357 [inline]
irqentry_exit+0x50/0x60 kernel/entry/common.c:387
sysvec_reschedule_ipi+0x84/0x160 arch/x86/kernel/smp.c:225
asm_sysvec_reschedule_ipi+0x12/0x20 arch/x86/include/asm/idtentry.h:640
RIP: 0010:is_last_frame arch/x86/kernel/unwind_frame.c:87 [inline]
RIP: 0010:is_last_task_frame arch/x86/kernel/unwind_frame.c:156 [inline]
RIP: 0010:unwind_next_frame+0xab/0x6b0 arch/x86/kernel/unwind_frame.c:266
Code: 08 00 74 08 48 89 df e8 13 4f 73 00 f6 03 03 0f 85 c6 04 00 00 49 8d 5f 38 48 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df <48> 89 45 b8 42 80 3c 30 00 74 08 48 89 df e8 e2 4e 73 00 48 89 5d
RSP: 0018:ffffc90000978410 EFLAGS: 00000a02
RAX: 1ffff9200012f09b RBX: ffffc900009784d8 RCX: 0000000081ad6f01
RDX: dffffc0000000000 RSI: ffffffff81ad6ff8 RDI: ffffc900009784a0
RBP: ffffc90000978490 R08: ffffc90000978588 R09: 0000000000000013
R10: ffffc90000978590 R11: 1ffff9200012f094 R12: 0000000000000000
R13: ffffc900009784f8 R14: dffffc0000000000 R15: ffffc900009784a0
arch_stack_walk+0x112/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x12d/0x1f0 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+0x16c/0x300 mm/slub.c:2969
kmem_cache_zalloc include/linux/slab.h:654 [inline]
__alloc_file+0x29/0x330 fs/file_table.c:101
alloc_empty_file+0xac/0x1b0 fs/file_table.c:151
dentry_open+0x4e/0x100 fs/open.c:956
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open fs/open.c:942 [inline]
dentry_open+0xb8/0x100 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427
do_dentry_open+0x7a2/0x1090 fs/open.c:819
vfs_open+0x73/0x80 fs/open.c:942
do_open fs/namei.c:3327 [inline]
path_openat+0x2638/0x2fd0 fs/namei.c:3444
do_filp_open+0x200/0x440 fs/namei.c:3471
do_sys_openat2+0x13b/0x470 fs/open.c:1211
do_sys_open fs/open.c:1227 [inline]
__do_sys_openat fs/open.c:1243 [inline]
__se_sys_openat fs/open.c:1238 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1238
do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f711bef7ae4
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 e6 fb ff ff 44 8b 54 24 0c 44 89 e2 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 34 44 89 c7 89 44 24 0c e8 18 fc ff ff 8b 44
RSP: 002b:00007f711bec7160 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f711bec76b8 RCX: 00007f711bef7ae4
RDX: 0000000000010000 RSI: 00000000200000c0 RDI: 00000000ffffff9c
RBP: 00000000200000c0 R08: 0000000000000000 R09: 00007f711bec7700
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000010000
R13: 00007f711bfbe3fc R14: 0030656c69662f2e R15: 6e656d6572636e69
Modules linked in:
---[ end trace defd37c6c13233e3 ]---
RIP: 0010:check_preemption_disabled+0x4/0x100 lib/smp_processor_id.c:13
Code: 02 5d c3 cc cc cc 55 48 89 e5 48 c7 c7 00 d2 43 85 48 c7 c6 40 d2 43 85 e8 09 00 00 00 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <41> 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89
RSP: 0018:ffffc90000978000 EFLAGS: 00010802
RAX: f3f3f300f1f1f1f1 RBX: ffff8881f7155e00 RCX: 1ffff9200012f040
RDX: 1ffff9200012f020 RSI: ffffffff8543d240 RDI: ffffffff8543d200
RBP: ffffc90000978000 R08: dffffc0000000000 R09: ffffed1023a54001
R10: ffffed1023a54001 R11: 1ffff11023a54000 R12: 0000000000000001
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88811d2a0000
FS: 00007f711bec7700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000977ff8 CR3: 00000001073f1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 02 5d c3 add -0x3d(%rbp),%bl
3: cc int3
4: cc int3
5: cc int3
6: 55 push %rbp
7: 48 89 e5 mov %rsp,%rbp
a: 48 c7 c7 00 d2 43 85 mov $0xffffffff8543d200,%rdi
11: 48 c7 c6 40 d2 43 85 mov $0xffffffff8543d240,%rsi
18: e8 09 00 00 00 callq 0x26
1d: 5d pop %rbp
1e: c3 retq
1f: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
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 54 push %r12
30: 53 push %rbx
31: 48 83 ec 10 sub $0x10,%rsp
35: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
3c: 00 00
3e: 48 rex.W
3f: 89 .byte 0x89


---
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[Tadeusz Struk]

#syz dup: BUG: stack guard page was hit in file_open

--
Thanks,
Tadeusz