linux-kernel - WARNING in __alloc_pages

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Message-ID: <00000000000025ae690592b00fbd@google.com>
Date:   Mon, 16 Sep 2019 11:49:09 -0700
From:   syzbot <syzbot+e38fe539fedfc127987e@...kaller.appspotmail.com>
To:     aarcange@...hat.com, akpm@...ux-foundation.org,
        andreyknvl@...gle.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-usb@...r.kernel.org, mhocko@...e.com,
        rientjes@...gle.com, syzkaller-bugs@...glegroups.com,
        vbabka@...e.cz, yang.shi@...ux.alibaba.com, zhongjiang@...wei.com
Subject: WARNING in __alloc_pages_nodemask

Hello,

syzbot found the following crash on:

HEAD commit:    f0df5c1b usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git usb-fuzzer
console output: https://syzkaller.appspot.com/x/log.txt?x=14b15371600000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5c6633fa4ed00be5
dashboard link: https://syzkaller.appspot.com/bug?extid=e38fe539fedfc127987e
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1093bed1600000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1603cfc6600000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+e38fe539fedfc127987e@...kaller.appspotmail.com

WARNING: CPU: 0 PID: 1720 at mm/page_alloc.c:4696  
__alloc_pages_nodemask+0x36f/0x780 mm/page_alloc.c:4696
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 1720 Comm: syz-executor388 Not tainted 5.3.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS  
Google 01/01/2011
Call Trace:
  __dump_stack lib/dump_stack.c:77 [inline]
  dump_stack+0xca/0x13e lib/dump_stack.c:113
  panic+0x2a3/0x6da kernel/panic.c:219
  __warn.cold+0x20/0x4a kernel/panic.c:576
  report_bug+0x262/0x2a0 lib/bug.c:186
  fixup_bug arch/x86/kernel/traps.c:179 [inline]
  fixup_bug arch/x86/kernel/traps.c:174 [inline]
  do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:272
  do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:291
  invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:__alloc_pages_nodemask+0x36f/0x780 mm/page_alloc.c:4696
Code: fe ff ff 65 48 8b 04 25 00 ef 01 00 48 05 60 10 00 00 41 be 01 00 00  
00 48 89 44 24 58 e9 ee fd ff ff 81 e5 00 20 00 00 75 02 <0f> 0b 45 31 f6  
e9 6b ff ff ff 8b 44 24 68 89 04 24 65 8b 2d e9 7e
RSP: 0018:ffff8881d320f9d8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff1103a641f3f RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040a20
RBP: 0000000000000000 R08: ffff8881d3bcc800 R09: ffffed103a541d19
R10: ffffed103a541d18 R11: ffff8881d2a0e8c7 R12: 0000000000000012
R13: 0000000000000012 R14: 0000000000000000 R15: ffff8881d2a0e8c0
  alloc_pages_current+0xff/0x200 mm/mempolicy.c:2153
  alloc_pages include/linux/gfp.h:509 [inline]
  kmalloc_order+0x1a/0x60 mm/slab_common.c:1257
  kmalloc_order_trace+0x18/0x110 mm/slab_common.c:1269
  __usbhid_submit_report drivers/hid/usbhid/hid-core.c:588 [inline]
  usbhid_submit_report+0x5b5/0xde0 drivers/hid/usbhid/hid-core.c:638
  usbhid_request+0x3c/0x70 drivers/hid/usbhid/hid-core.c:1252
  hid_hw_request include/linux/hid.h:1053 [inline]
  hiddev_ioctl+0x526/0x1550 drivers/hid/usbhid/hiddev.c:735
  vfs_ioctl fs/ioctl.c:46 [inline]
  file_ioctl fs/ioctl.c:509 [inline]
  do_vfs_ioctl+0xd2d/0x1330 fs/ioctl.c:696
  ksys_ioctl+0x9b/0xc0 fs/ioctl.c:713
  __do_sys_ioctl fs/ioctl.c:720 [inline]
  __se_sys_ioctl fs/ioctl.c:718 [inline]
  __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718
  do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296
  entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x444949
Code: e8 bc af 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7  
48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff  
ff 0f 83 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fffed614ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444949
RDX: 0000000020000080 RSI: 00000000400c4808 RDI: 0000000000000004
RBP: 00000000006cf018 R08: 18c1180b508ac6d9 R09: 00000000004002e0
R10: 000000000000000f R11: 0000000000000246 R12: 00000000004025f0
R13: 0000000000402680 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..


---
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