syzbot


WARNING in __alloc_pages_nodemask

Status: public: reported C repro on 2019/04/11 00:00
Reported-by: syzbot+e63021828e3d49c5b86f@syzkaller.appspotmail.com
First crash: 2113d, last: 1661d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 WARNING in __alloc_pages_nodemask C 93586 1660d 1897d 0/2 public: reported C repro on 2019/04/12 00:00
android-49 WARNING in __alloc_pages_nodemask C 140506 1660d 1897d 0/3 public: reported C repro on 2019/04/11 08:44
upstream WARNING in __alloc_pages_nodemask mm C 2496 1262d 1739d 0/27 closed as dup on 2019/09/19 18:29

Sample crash report:
random: sshd: uninitialized urandom read (32 bytes read)
urandom_read: 1 callbacks suppressed
random: sshd: uninitialized urandom read (32 bytes read)
audit: type=1400 audit(1574921833.477:7): avc:  denied  { map } for  pid=1785 comm="syz-executor358" path="/root/syz-executor358943055" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1785 at mm/page_alloc.c:4245 __alloc_pages_nodemask+0x3d5/0x2370 mm/page_alloc.c:4245
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 1785 Comm: syz-executor358 Not tainted 4.14.156-syzkaller #0
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xe5/0x154 lib/dump_stack.c:58
 panic+0x1f1/0x3da kernel/panic.c:183
 __warn.cold+0x2f/0x33 kernel/panic.c:547
 report_bug+0x20a/0x248 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bf/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:__alloc_pages_nodemask+0x3d5/0x2370 mm/page_alloc.c:4245
RSP: 0018:ffff8881bf317938 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff11037e62f3b RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000000000
RBP: 0000000080265220 R08: 0000000000002dc0 R09: ffffed1039955752
R10: ffff8881bf317bc8 R11: ffff8881ccaaba8f R12: 000000000140c0c0
R13: 0000000000000000 R14: ffff8881cc955d80 R15: ffff8881cc955da8
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 alloc_pages_node include/linux/gfp.h:511 [inline]
 kmalloc_order+0x1e/0x50 mm/slab_common.c:1126
 kmalloc_order_trace+0x17/0x160 mm/slab_common.c:1137
 kmalloc include/linux/slab.h:493 [inline]
 kzalloc include/linux/slab.h:661 [inline]
 input_mt_init_slots drivers/input/input-mt.c:52 [inline]
 input_mt_init_slots+0xca/0x3f0 drivers/input/input-mt.c:41
 uinput_create_device drivers/input/misc/uinput.c:291 [inline]
 uinput_ioctl_handler.isra.0+0x13df/0x1850 drivers/input/misc/uinput.c:839
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4402b9
RSP: 002b:00007fffc28582e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004402b9
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401b40
R13: 0000000000401bd0 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: 0x35800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..

Crashes (564):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/11/28 06:19 android-4.14 714ada7cabc7 0d63f89c .config console log report syz C ci-android-414-kasan-gce-root
2019/10/22 18:24 android-4.14 7d642373db4c 5681358a .config console log report syz C ci-android-414-kasan-gce-root
2019/10/03 06:16 android-4.14 80b0c73216f5 2e29b534 .config console log report syz C ci-android-414-kasan-gce-root
2018/12/06 15:29 android-4.14 23bc51816857 3ab38479 .config console log report syz C ci-android-414-kasan-gce-root
2018/11/25 01:17 android-4.14 ea91d158d712 ecc7c870 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/21 13:56 android-4.14 666c420fa3ea 37079712 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/08 02:11 android-4.14 b859aa7d7a0c 6b5120a4 .config console log report syz C ci-android-414-kasan-gce-root
2019/12/04 03:53 android-4.14 b7f8d9ba4f3e ae13a849 .config console log report ci-android-414-kasan-gce-root
2019/12/02 08:33 android-4.14 13855a652bd5 f879db37 .config console log report ci-android-414-kasan-gce-root
2019/12/01 01:51 android-4.14 714ada7cabc7 a76bf83f .config console log report ci-android-414-kasan-gce-root
2019/11/30 19:06 android-4.14 714ada7cabc7 3a75be00 .config console log report ci-android-414-kasan-gce-root
2019/11/30 05:17 android-4.14 714ada7cabc7 3a75be00 .config console log report ci-android-414-kasan-gce-root
2019/11/29 16:56 android-4.14 714ada7cabc7 d29b9e84 .config console log report ci-android-414-kasan-gce-root
2019/11/29 04:36 android-4.14 714ada7cabc7 76357d6f .config console log report ci-android-414-kasan-gce-root
2019/11/28 21:57 android-4.14 714ada7cabc7 46869e3e .config console log report ci-android-414-kasan-gce-root
2019/11/28 16:41 android-4.14 714ada7cabc7 46869e3e .config console log report ci-android-414-kasan-gce-root
2019/11/28 05:39 android-4.14 714ada7cabc7 0d63f89c .config console log report ci-android-414-kasan-gce-root
2019/11/27 05:04 android-4.14 f9b4ab5c8e99 1048481f .config console log report ci-android-414-kasan-gce-root
2019/11/27 00:37 android-4.14 f9b4ab5c8e99 1048481f .config console log report ci-android-414-kasan-gce-root
2019/11/26 09:03 android-4.14 f9b4ab5c8e99 f746151a .config console log report ci-android-414-kasan-gce-root
2019/11/25 22:13 android-4.14 f9b4ab5c8e99 371caf77 .config console log report ci-android-414-kasan-gce-root
2019/11/25 17:56 android-4.14 f9b4ab5c8e99 371caf77 .config console log report ci-android-414-kasan-gce-root
2019/11/25 02:31 android-4.14 437a2a739c5f 598ca6c8 .config console log report ci-android-414-kasan-gce-root
2019/11/24 09:01 android-4.14 437a2a739c5f 598ca6c8 .config console log report ci-android-414-kasan-gce-root
2019/11/24 01:57 android-4.14 437a2a739c5f 598ca6c8 .config console log report ci-android-414-kasan-gce-root
2019/11/23 23:57 android-4.14 437a2a739c5f 598ca6c8 .config console log report ci-android-414-kasan-gce-root
2019/11/21 21:01 android-4.14 7bc77fd33905 8098ea0f .config console log report ci-android-414-kasan-gce-root
2019/11/21 12:44 android-4.14 7bc77fd33905 8098ea0f .config console log report ci-android-414-kasan-gce-root
2019/11/21 10:05 android-4.14 7bc77fd33905 8098ea0f .config console log report ci-android-414-kasan-gce-root
2019/11/20 12:13 android-4.14 460dc7c31cef f4b7ed07 .config console log report ci-android-414-kasan-gce-root
2019/11/20 10:51 android-4.14 460dc7c31cef f4b7ed07 .config console log report ci-android-414-kasan-gce-root
2019/11/20 01:00 android-4.14 460dc7c31cef 5bc70212 .config console log report ci-android-414-kasan-gce-root
2019/11/17 15:59 android-4.14 460dc7c31cef d5696d51 .config console log report ci-android-414-kasan-gce-root
2019/11/17 14:14 android-4.14 460dc7c31cef d5696d51 .config console log report ci-android-414-kasan-gce-root
2019/11/16 21:57 android-4.14 460dc7c31cef d5696d51 .config console log report ci-android-414-kasan-gce-root
2019/11/16 17:56 android-4.14 460dc7c31cef d5696d51 .config console log report ci-android-414-kasan-gce-root
2019/11/16 16:20 android-4.14 460dc7c31cef d5696d51 .config console log report ci-android-414-kasan-gce-root
2019/11/15 07:29 android-4.14 460dc7c31cef a24fe792 .config console log report ci-android-414-kasan-gce-root
2019/11/15 04:48 android-4.14 460dc7c31cef a24fe792 .config console log report ci-android-414-kasan-gce-root
2019/11/13 13:00 android-4.14 0ac69147fd8c 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/13 03:40 android-4.14 0ac69147fd8c 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/12 23:41 android-4.14 0ac69147fd8c 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/12 14:13 android-4.14 10e570bfc15a 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/12 12:12 android-4.14 10e570bfc15a 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/12 07:23 android-4.14 10e570bfc15a 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/12 06:10 android-4.14 10e570bfc15a 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/12 02:48 android-4.14 10e570bfc15a 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/11 21:08 android-4.14 10e570bfc15a 048f2d49 .config console log report ci-android-414-kasan-gce-root
2019/11/11 16:08 android-4.14 10e570bfc15a dc438b91 .config console log report ci-android-414-kasan-gce-root
2019/11/11 11:41 android-4.14 10e570bfc15a dc438b91 .config console log report ci-android-414-kasan-gce-root
2019/11/09 12:04 android-4.14 81144e705f48 dc438b91 .config console log report ci-android-414-kasan-gce-root
* Struck through repros no longer work on HEAD.