BUG: stack guard page was hit in file_open
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syzbot
Dec 17, 2021, 12:03:24 AM12/17/21
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: afc997898ece Merge 5.10.85 into android12-5.10-lts
git tree: android12-5.10-lts
console output: https://syzkaller.appspot.com/x/log.txt?x=10308493b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=977f5eaa96dd4962
dashboard link: https://syzkaller.appspot.com/bug?extid=ab84119ad3abdb7058b7
compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ab8411...@syzkaller.appspotmail.com
BUG: stack guard page was hit at ffffc9000aed7ff8 (stack is ffffc9000aed8000..ffffc9000aedffff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14018 Comm: syz-executor.1 Not tainted 5.10.85-syzkaller-00573-gafc997898ece #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:irqtime_account_irq+0xc/0x2d0 kernel/sched/cputime.c:54
Code: 89 e5 c6 05 95 26 98 05 01 5d c3 0f 1f 00 55 48 89 e5 c6 05 85 26 98 05 00 5d c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 48 83 ec 10 49 89 fe e8 07 53 4e 03 89 c3 83 f8 08 0f 83 0a 02
RSP: 0018:ffffc9000aed8000 EFLAGS: 00010046
RAX: 1ffff1102c21a900 RBX: ffff8881610d4f24 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff84a00bba RDI: ffff8881610d4f00
RBP: ffffc9000aed8020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881610d4f00 R15: 0000000000000000
FS: 00007f22b44e9700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000aed7ff8 CR3: 000000010d9f2000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
account_irq_enter_time include/linux/vtime.h:109 [inline]
irq_enter_rcu+0x6f/0xa0 kernel/softirq.c:374
sysvec_apic_timer_interrupt+0x19/0xe0 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+0x462/0x530 arch/x86/kernel/unwind_frame.c:248
Code: 3c 08 00 74 08 4c 89 ef e8 fb a2 72 00 49 89 5d 00 48 b8 00 00 00 00 00 fc ff df 41 80 3c 04 00 74 08 4c 89 ff e8 3e a2 72 00 <b3> 01 49 83 3f 00 0f 85 04 fe ff ff 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000aed8120 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffffff820a08a3 RCX: dffffc0000000000
RDX: 1ffff920015db04e RSI: ffffc9000aed8910 RDI: ffffc9000aed8260
RBP: ffffc9000aed81b8 R08: ffffc9000aed8348 R09: 0000000000000008
R10: ffffc9000aed8350 R11: 0000000000000000 R12: 1ffff920015db054
R13: ffffc9000aed82a8 R14: ffffc9000aed8288 R15: ffffc9000aed82a0
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:2948 [inline]
slab_alloc mm/slub.c:2956 [inline]
kmem_cache_alloc+0x1a2/0x380 mm/slub.c:2961
kmem_cache_zalloc include/linux/slab.h:654 [inline]
lsm_file_alloc security/security.c:535 [inline]
security_file_alloc+0x36/0x200 security/security.c:1431
__alloc_file+0xc5/0x3b0 fs/file_table.c:106
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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 fs/open.c:819
vfs_open+0x73/0x80 fs/open.c:942
do_open fs/namei.c:3327 [inline]
path_openat+0x264d/0x3500 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+0x31/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f22b5372e99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f22b44e9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f22b5485f60 RCX: 00007f22b5372e99
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f22b53ccff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc65e26dff R14: 00007f22b44e9300 R15: 0000000000022000
Modules linked in:
---[ end trace 03c7fa4bdbee50df ]---
RIP: 0010:irqtime_account_irq+0xc/0x2d0 kernel/sched/cputime.c:54
Code: 89 e5 c6 05 95 26 98 05 01 5d c3 0f 1f 00 55 48 89 e5 c6 05 85 26 98 05 00 5d c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 48 83 ec 10 49 89 fe e8 07 53 4e 03 89 c3 83 f8 08 0f 83 0a 02
RSP: 0018:ffffc9000aed8000 EFLAGS: 00010046
RAX: 1ffff1102c21a900 RBX: ffff8881610d4f24 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff84a00bba RDI: ffff8881610d4f00
RBP: ffffc9000aed8020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881610d4f00 R15: 0000000000000000
FS: 00007f22b44e9700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000aed7ff8 CR3: 000000010d9f2000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 89 e5 mov %esp,%ebp
2: c6 05 95 26 98 05 01 movb $0x1,0x5982695(%rip) # 0x598269e
9: 5d pop %rbp
a: c3 retq
b: 0f 1f 00 nopl (%rax)
e: 55 push %rbp
f: 48 89 e5 mov %rsp,%rbp
12: c6 05 85 26 98 05 00 movb $0x0,0x5982685(%rip) # 0x598269e
19: 5d pop %rbp
1a: c3 retq
1b: 0f 1f 00 nopl (%rax)
1e: 55 push %rbp
1f: 48 89 e5 mov %rsp,%rbp
22: 41 57 push %r15
24: 41 56 push %r14
26: 41 55 push %r13
28: 41 54 push %r12
* 2a: 53 push %rbx <-- trapping instruction
2b: 48 83 ec 10 sub $0x10,%rsp
2f: 49 89 fe mov %rdi,%r14
32: e8 07 53 4e 03 callq 0x34e533e
37: 89 c3 mov %eax,%ebx
39: 83 f8 08 cmp $0x8,%eax
3c: 0f .byte 0xf
3d: 83 0a 02 orl $0x2,(%rdx)
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: afc997898ece Merge 5.10.85 into android12-5.10-lts
git tree: android12-5.10-lts
console output: https://syzkaller.appspot.com/x/log.txt?x=10308493b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=977f5eaa96dd4962
dashboard link: https://syzkaller.appspot.com/bug?extid=ab84119ad3abdb7058b7
compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ab8411...@syzkaller.appspotmail.com
BUG: stack guard page was hit at ffffc9000aed7ff8 (stack is ffffc9000aed8000..ffffc9000aedffff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14018 Comm: syz-executor.1 Not tainted 5.10.85-syzkaller-00573-gafc997898ece #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:irqtime_account_irq+0xc/0x2d0 kernel/sched/cputime.c:54
Code: 89 e5 c6 05 95 26 98 05 01 5d c3 0f 1f 00 55 48 89 e5 c6 05 85 26 98 05 00 5d c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 48 83 ec 10 49 89 fe e8 07 53 4e 03 89 c3 83 f8 08 0f 83 0a 02
RSP: 0018:ffffc9000aed8000 EFLAGS: 00010046
RAX: 1ffff1102c21a900 RBX: ffff8881610d4f24 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff84a00bba RDI: ffff8881610d4f00
RBP: ffffc9000aed8020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881610d4f00 R15: 0000000000000000
FS: 00007f22b44e9700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000aed7ff8 CR3: 000000010d9f2000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
account_irq_enter_time include/linux/vtime.h:109 [inline]
irq_enter_rcu+0x6f/0xa0 kernel/softirq.c:374
sysvec_apic_timer_interrupt+0x19/0xe0 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+0x462/0x530 arch/x86/kernel/unwind_frame.c:248
Code: 3c 08 00 74 08 4c 89 ef e8 fb a2 72 00 49 89 5d 00 48 b8 00 00 00 00 00 fc ff df 41 80 3c 04 00 74 08 4c 89 ff e8 3e a2 72 00 <b3> 01 49 83 3f 00 0f 85 04 fe ff ff 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000aed8120 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffffff820a08a3 RCX: dffffc0000000000
RDX: 1ffff920015db04e RSI: ffffc9000aed8910 RDI: ffffc9000aed8260
RBP: ffffc9000aed81b8 R08: ffffc9000aed8348 R09: 0000000000000008
R10: ffffc9000aed8350 R11: 0000000000000000 R12: 1ffff920015db054
R13: ffffc9000aed82a8 R14: ffffc9000aed8288 R15: ffffc9000aed82a0
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:2948 [inline]
slab_alloc mm/slub.c:2956 [inline]
kmem_cache_alloc+0x1a2/0x380 mm/slub.c:2961
kmem_cache_zalloc include/linux/slab.h:654 [inline]
lsm_file_alloc security/security.c:535 [inline]
security_file_alloc+0x36/0x200 security/security.c:1431
__alloc_file+0xc5/0x3b0 fs/file_table.c:106
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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 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+0x7a5/0x1090 fs/open.c:819
vfs_open+0x73/0x80 fs/open.c:942
do_open fs/namei.c:3327 [inline]
path_openat+0x264d/0x3500 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+0x31/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f22b5372e99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f22b44e9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f22b5485f60 RCX: 00007f22b5372e99
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f22b53ccff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc65e26dff R14: 00007f22b44e9300 R15: 0000000000022000
Modules linked in:
---[ end trace 03c7fa4bdbee50df ]---
RIP: 0010:irqtime_account_irq+0xc/0x2d0 kernel/sched/cputime.c:54
Code: 89 e5 c6 05 95 26 98 05 01 5d c3 0f 1f 00 55 48 89 e5 c6 05 85 26 98 05 00 5d c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 48 83 ec 10 49 89 fe e8 07 53 4e 03 89 c3 83 f8 08 0f 83 0a 02
RSP: 0018:ffffc9000aed8000 EFLAGS: 00010046
RAX: 1ffff1102c21a900 RBX: ffff8881610d4f24 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff84a00bba RDI: ffff8881610d4f00
RBP: ffffc9000aed8020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8881610d4f00 R15: 0000000000000000
FS: 00007f22b44e9700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000aed7ff8 CR3: 000000010d9f2000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 89 e5 mov %esp,%ebp
2: c6 05 95 26 98 05 01 movb $0x1,0x5982695(%rip) # 0x598269e
9: 5d pop %rbp
a: c3 retq
b: 0f 1f 00 nopl (%rax)
e: 55 push %rbp
f: 48 89 e5 mov %rsp,%rbp
12: c6 05 85 26 98 05 00 movb $0x0,0x5982685(%rip) # 0x598269e
19: 5d pop %rbp
1a: c3 retq
1b: 0f 1f 00 nopl (%rax)
1e: 55 push %rbp
1f: 48 89 e5 mov %rsp,%rbp
22: 41 57 push %r15
24: 41 56 push %r14
26: 41 55 push %r13
28: 41 54 push %r12
* 2a: 53 push %rbx <-- trapping instruction
2b: 48 83 ec 10 sub $0x10,%rsp
2f: 49 89 fe mov %rdi,%r14
32: e8 07 53 4e 03 callq 0x34e533e
37: 89 c3 mov %eax,%ebx
39: 83 f8 08 cmp $0x8,%eax
3c: 0f .byte 0xf
3d: 83 0a 02 orl $0x2,(%rdx)
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Dec 17, 2021, 12:23:20 AM12/17/21
to syzkaller-a...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: afc997898ece Merge 5.10.85 into android12-5.10-lts
git tree: android12-5.10-lts
console output: https://syzkaller.appspot.com/x/log.txt?x=137b4dd5b00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172adb6db00000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ab8411...@syzkaller.appspotmail.com
BUG: stack guard page was hit at ffffc90000d5fff8 (stack is ffffc90000d60000..ffffc90000d67fff)
Code: 00 00 66 90 55 48 89 e5 89 f6 48 8b 4d 08 ba 01 00 00 00 e8 3c ed ff ff 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 <41> 56 53 49 89 d7 41 89 f6 48 89 fb 48 8b 4d 08 48 89 d6 ba 01 00
RSP: 0018:ffffc90000d60000 EFLAGS: 00010246
RAX: ffff888103db8000 RBX: dffffc0000000000 RCX: ffffc90000d60130
RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90000d600a0
RBP: ffffc90000d60008 R08: dffffc0000000000 R09: ffffc90000d60180
R10: fffff520001ac033 R11: 0000000000000000 R12: ffff888103db8000
R13: ffffc90000d600a0 R14: ffff888103db8000 R15: 0000000000000000
FS: 00007f587ec68700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
unwind_start arch/x86/include/asm/unwind.h:60 [inline]
unwind_start arch/x86/include/asm/unwind.h:60 [inline] arch/x86/kernel/stacktrace.c:24
arch_stack_walk+0xdc/0x140 arch/x86/kernel/stacktrace.c:24 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x11b/0x1e0 kernel/stacktrace.c:121 kernel/stacktrace.c:121
save_stack+0x96/0x1e0 mm/page_owner.c:146 mm/page_owner.c:146
__set_page_owner+0x3b/0x300 mm/page_owner.c:219 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]
set_page_owner include/linux/page_owner.h:35 [inline] mm/page_alloc.c:4063
post_alloc_hook mm/page_alloc.c:2385 [inline] mm/page_alloc.c:4063
prep_new_page mm/page_alloc.c:2391 [inline] mm/page_alloc.c:4063
get_page_from_freelist+0xa74/0xa90 mm/page_alloc.c:4063 mm/page_alloc.c:4063
__alloc_pages_nodemask+0x3c8/0x820 mm/page_alloc.c:5106 mm/page_alloc.c:5106
alloc_slab_page mm/slub.c:1807 [inline]
alloc_slab_page mm/slub.c:1807 [inline] mm/slub.c:1809
allocate_slab+0x6b/0x350 mm/slub.c:1809 mm/slub.c:1809
new_slab mm/slub.c:1870 [inline]
new_slab_objects mm/slub.c:2629 [inline]
new_slab mm/slub.c:1870 [inline] mm/slub.c:2792
new_slab_objects mm/slub.c:2629 [inline] mm/slub.c:2792
___slab_alloc+0x143/0x2f0 mm/slub.c:2792 mm/slub.c:2792
__slab_alloc mm/slub.c:2832 [inline]
slab_alloc_node mm/slub.c:2914 [inline]
slab_alloc mm/slub.c:2956 [inline]
__slab_alloc mm/slub.c:2832 [inline] mm/slub.c:2961
slab_alloc_node mm/slub.c:2914 [inline] mm/slub.c:2961
slab_alloc mm/slub.c:2956 [inline] mm/slub.c:2961
kmem_cache_alloc+0x26f/0x380 mm/slub.c:2961 mm/slub.c:2961
kmem_cache_zalloc include/linux/slab.h:654 [inline]
kmem_cache_zalloc include/linux/slab.h:654 [inline] fs/file_table.c:101
__alloc_file+0x29/0x3b0 fs/file_table.c:101 fs/file_table.c:101
alloc_empty_file+0xac/0x1b0 fs/file_table.c:151 fs/file_table.c:151
dentry_open+0x4e/0x100 fs/open.c:956 fs/open.c:956
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open+0x73/0x80 fs/open.c:942 fs/open.c:942
do_open fs/namei.c:3327 [inline]
do_open fs/namei.c:3327 [inline] fs/namei.c:3444
path_openat+0x264d/0x3500 fs/namei.c:3444 fs/namei.c:3444
do_filp_open+0x200/0x440 fs/namei.c:3471 fs/namei.c:3471
do_sys_openat2+0x13b/0x470 fs/open.c:1211 fs/open.c:1211
__do_sys_openat fs/open.c:1243 [inline] fs/open.c:1238
__se_sys_openat fs/open.c:1238 [inline] fs/open.c:1238
__x64_sys_openat+0x243/0x290 fs/open.c:1238 fs/open.c:1238
do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f587ec787b4
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:00007f587ec67fa0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f587ec787b4
RDX: 0000000000010000 RSI: 00000000200003c0 RDI: 00000000ffffff9c
RBP: 00000000200003c0 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000010000
R13: 0000000020000988 R14: 00007f587ec68080 R15: 00000000200003c0
Modules linked in:
---[ end trace bb5347e6204c8852 ]---
RIP: 0010:memset+0x6/0x40 mm/kasan/shadow.c:43 mm/kasan/shadow.c:43
Code: 00 00 66 90 55 48 89 e5 89 f6 48 8b 4d 08 ba 01 00 00 00 e8 3c ed ff ff 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 <41> 56 53 49 89 d7 41 89 f6 48 89 fb 48 8b 4d 08 48 89 d6 ba 01 00
RSP: 0018:ffffc90000d60000 EFLAGS: 00010246
RAX: ffff888103db8000 RBX: dffffc0000000000 RCX: ffffc90000d60130
RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90000d600a0
RBP: ffffc90000d60008 R08: dffffc0000000000 R09: ffffc90000d60180
R10: fffff520001ac033 R11: 0000000000000000 R12: ffff888103db8000
R13: ffffc90000d600a0 R14: ffff888103db8000 R15: 0000000000000000
FS: 00007f587ec68700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
2: 66 90 xchg %ax,%ax
4: 55 push %rbp
5: 48 89 e5 mov %rsp,%rbp
8: 89 f6 mov %esi,%esi
a: 48 8b 4d 08 mov 0x8(%rbp),%rcx
e: ba 01 00 00 00 mov $0x1,%edx
13: e8 3c ed ff ff callq 0xffffed54
18: 5d pop %rbp
19: c3 retq
1a: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
21: 00 00 00
24: 55 push %rbp
25: 48 89 e5 mov %rsp,%rbp
28: 41 57 push %r15
* 2a: 41 56 push %r14 <-- trapping instruction
2c: 53 push %rbx
2d: 49 89 d7 mov %rdx,%r15
30: 41 89 f6 mov %esi,%r14d
33: 48 89 fb mov %rdi,%rbx
36: 48 8b 4d 08 mov 0x8(%rbp),%rcx
3a: 48 89 d6 mov %rdx,%rsi
3d: ba .byte 0xba
3e: 01 00 add %eax,(%rax)
2: 66 90 xchg %ax,%ax
4: 55 push %rbp
5: 48 89 e5 mov %rsp,%rbp
8: 89 f6 mov %esi,%esi
a: 48 8b 4d 08 mov 0x8(%rbp),%rcx
e: ba 01 00 00 00 mov $0x1,%edx
13: e8 3c ed ff ff callq 0xffffed54
18: 5d pop %rbp
19: c3 retq
1a: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
21: 00 00 00
24: 55 push %rbp
25: 48 89 e5 mov %rsp,%rbp
28: 41 57 push %r15
* 2a: 41 56 push %r14 <-- trapping instruction
2c: 53 push %rbx
2d: 49 89 d7 mov %rdx,%r15
30: 41 89 f6 mov %esi,%r14d
33: 48 89 fb mov %rdi,%rbx
36: 48 8b 4d 08 mov 0x8(%rbp),%rcx
3a: 48 89 d6 mov %rdx,%rsi
3d: ba .byte 0xba
3e: 01 00 add %eax,(%rax)
HEAD commit: afc997898ece Merge 5.10.85 into android12-5.10-lts
git tree: android12-5.10-lts
kernel config: https://syzkaller.appspot.com/x/.config?x=977f5eaa96dd4962
dashboard link: https://syzkaller.appspot.com/bug?extid=ab84119ad3abdb7058b7
compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1086157db00000
dashboard link: https://syzkaller.appspot.com/bug?extid=ab84119ad3abdb7058b7
compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172adb6db00000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ab8411...@syzkaller.appspotmail.com
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 399 Comm: syz-executor809 Not tainted 5.10.85-syzkaller-00573-gafc997898ece #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memset+0x6/0x40 mm/kasan/shadow.c:43 mm/kasan/shadow.c:43
Code: 00 00 66 90 55 48 89 e5 89 f6 48 8b 4d 08 ba 01 00 00 00 e8 3c ed ff ff 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 <41> 56 53 49 89 d7 41 89 f6 48 89 fb 48 8b 4d 08 48 89 d6 ba 01 00
RSP: 0018:ffffc90000d60000 EFLAGS: 00010246
RAX: ffff888103db8000 RBX: dffffc0000000000 RCX: ffffc90000d60130
RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90000d600a0
RBP: ffffc90000d60008 R08: dffffc0000000000 R09: ffffc90000d60180
R10: fffff520001ac033 R11: 0000000000000000 R12: ffff888103db8000
R13: ffffc90000d600a0 R14: ffff888103db8000 R15: 0000000000000000
FS: 00007f587ec68700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000d5fff8 CR3: 0000000109cae000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__unwind_start+0x34/0x420 arch/x86/kernel/unwind_frame.c:368 arch/x86/kernel/unwind_frame.c:368
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unwind_start arch/x86/include/asm/unwind.h:60 [inline]
unwind_start arch/x86/include/asm/unwind.h:60 [inline] arch/x86/kernel/stacktrace.c:24
arch_stack_walk+0xdc/0x140 arch/x86/kernel/stacktrace.c:24 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x11b/0x1e0 kernel/stacktrace.c:121 kernel/stacktrace.c:121
save_stack+0x96/0x1e0 mm/page_owner.c:146 mm/page_owner.c:146
__set_page_owner+0x3b/0x300 mm/page_owner.c:219 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]
set_page_owner include/linux/page_owner.h:35 [inline] mm/page_alloc.c:4063
post_alloc_hook mm/page_alloc.c:2385 [inline] mm/page_alloc.c:4063
prep_new_page mm/page_alloc.c:2391 [inline] mm/page_alloc.c:4063
get_page_from_freelist+0xa74/0xa90 mm/page_alloc.c:4063 mm/page_alloc.c:4063
__alloc_pages_nodemask+0x3c8/0x820 mm/page_alloc.c:5106 mm/page_alloc.c:5106
alloc_slab_page mm/slub.c:1807 [inline]
alloc_slab_page mm/slub.c:1807 [inline] mm/slub.c:1809
allocate_slab+0x6b/0x350 mm/slub.c:1809 mm/slub.c:1809
new_slab mm/slub.c:1870 [inline]
new_slab_objects mm/slub.c:2629 [inline]
new_slab mm/slub.c:1870 [inline] mm/slub.c:2792
new_slab_objects mm/slub.c:2629 [inline] mm/slub.c:2792
___slab_alloc+0x143/0x2f0 mm/slub.c:2792 mm/slub.c:2792
__slab_alloc mm/slub.c:2832 [inline]
slab_alloc_node mm/slub.c:2914 [inline]
slab_alloc mm/slub.c:2956 [inline]
__slab_alloc mm/slub.c:2832 [inline] mm/slub.c:2961
slab_alloc_node mm/slub.c:2914 [inline] mm/slub.c:2961
slab_alloc mm/slub.c:2956 [inline] mm/slub.c:2961
kmem_cache_alloc+0x26f/0x380 mm/slub.c:2961 mm/slub.c:2961
kmem_cache_zalloc include/linux/slab.h:654 [inline]
kmem_cache_zalloc include/linux/slab.h:654 [inline] fs/file_table.c:101
__alloc_file+0x29/0x3b0 fs/file_table.c:101 fs/file_table.c:101
alloc_empty_file+0xac/0x1b0 fs/file_table.c:151 fs/file_table.c:151
dentry_open+0x4e/0x100 fs/open.c:956 fs/open.c:956
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
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file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open fs/open.c:942 [inline]
vfs_open fs/open.c:942 [inline] fs/open.c:958
dentry_open+0xb8/0x100 fs/open.c:958 fs/open.c:958
file_open+0x2a3/0x650 fs/incfs/vfs.c:1427 fs/incfs/vfs.c:1427
do_dentry_open+0x7a5/0x1090 fs/open.c:819 fs/open.c:819
vfs_open+0x73/0x80 fs/open.c:942 fs/open.c:942
do_open fs/namei.c:3327 [inline]
do_open fs/namei.c:3327 [inline] fs/namei.c:3444
path_openat+0x264d/0x3500 fs/namei.c:3444 fs/namei.c:3444
do_filp_open+0x200/0x440 fs/namei.c:3471 fs/namei.c:3471
do_sys_openat2+0x13b/0x470 fs/open.c:1211 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]
do_sys_open fs/open.c:1227 [inline] fs/open.c:1238
__do_sys_openat fs/open.c:1243 [inline]
__se_sys_openat fs/open.c:1238 [inline]
__do_sys_openat fs/open.c:1243 [inline] fs/open.c:1238
__se_sys_openat fs/open.c:1238 [inline] fs/open.c:1238
__x64_sys_openat+0x243/0x290 fs/open.c:1238 fs/open.c:1238
do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f587ec787b4
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:00007f587ec67fa0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f587ec787b4
RDX: 0000000000010000 RSI: 00000000200003c0 RDI: 00000000ffffff9c
RBP: 00000000200003c0 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000010000
R13: 0000000020000988 R14: 00007f587ec68080 R15: 00000000200003c0
Modules linked in:
---[ end trace bb5347e6204c8852 ]---
RIP: 0010:memset+0x6/0x40 mm/kasan/shadow.c:43 mm/kasan/shadow.c:43
Code: 00 00 66 90 55 48 89 e5 89 f6 48 8b 4d 08 ba 01 00 00 00 e8 3c ed ff ff 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 <41> 56 53 49 89 d7 41 89 f6 48 89 fb 48 8b 4d 08 48 89 d6 ba 01 00
RSP: 0018:ffffc90000d60000 EFLAGS: 00010246
RAX: ffff888103db8000 RBX: dffffc0000000000 RCX: ffffc90000d60130
RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc90000d600a0
RBP: ffffc90000d60008 R08: dffffc0000000000 R09: ffffc90000d60180
R10: fffff520001ac033 R11: 0000000000000000 R12: ffff888103db8000
R13: ffffc90000d600a0 R14: ffff888103db8000 R15: 0000000000000000
FS: 00007f587ec68700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000d5fff8 CR3: 0000000109cae000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
2: 66 90 xchg %ax,%ax
4: 55 push %rbp
5: 48 89 e5 mov %rsp,%rbp
8: 89 f6 mov %esi,%esi
a: 48 8b 4d 08 mov 0x8(%rbp),%rcx
e: ba 01 00 00 00 mov $0x1,%edx
13: e8 3c ed ff ff callq 0xffffed54
18: 5d pop %rbp
19: c3 retq
1a: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
21: 00 00 00
24: 55 push %rbp
25: 48 89 e5 mov %rsp,%rbp
28: 41 57 push %r15
* 2a: 41 56 push %r14 <-- trapping instruction
2c: 53 push %rbx
2d: 49 89 d7 mov %rdx,%r15
30: 41 89 f6 mov %esi,%r14d
33: 48 89 fb mov %rdi,%rbx
36: 48 8b 4d 08 mov 0x8(%rbp),%rcx
3a: 48 89 d6 mov %rdx,%rsi
3d: ba .byte 0xba
3e: 01 00 add %eax,(%rax)
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
Code disassembly (best guess):
2: 66 90 xchg %ax,%ax
4: 55 push %rbp
5: 48 89 e5 mov %rsp,%rbp
8: 89 f6 mov %esi,%esi
a: 48 8b 4d 08 mov 0x8(%rbp),%rcx
e: ba 01 00 00 00 mov $0x1,%edx
13: e8 3c ed ff ff callq 0xffffed54
18: 5d pop %rbp
19: c3 retq
1a: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
21: 00 00 00
24: 55 push %rbp
25: 48 89 e5 mov %rsp,%rbp
28: 41 57 push %r15
* 2a: 41 56 push %r14 <-- trapping instruction
2c: 53 push %rbx
2d: 49 89 d7 mov %rdx,%r15
30: 41 89 f6 mov %esi,%r14d
33: 48 89 fb mov %rdi,%rbx
36: 48 8b 4d 08 mov 0x8(%rbp),%rcx
3a: 48 89 d6 mov %rdx,%rsi
3d: ba .byte 0xba
3e: 01 00 add %eax,(%rax)
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