WARNING in __vm_enough_memory

Status: public: reported C repro on 2019/04/12 00:01
Reported-by: syzbot+8f95dd40095bc8952072@syzkaller.appspotmail.com
First crash: 2796d, last: 2552d
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in __vm_enough_memory tmpfs -1 syz, C error 35 1249d 2658d 0/1 upstream: reported C repro on 2019/04/23 10:26
upstream WARNING in __vm_enough_memory lsm -1 syz, C 64 2658d 3121d 0/29 closed as invalid on 2019/07/30 01:01
linux-4.14 WARNING in __vm_enough_memory -1 syz, C inconclusive 14 1611d 2658d 0/1 upstream: reported C repro on 2019/04/23 10:25
android-49 WARNING in __vm_enough_memory -1 syz, C 72 2471d 2670d 0/3 public: reported C repro on 2019/04/12 00:00
upstream WARNING in __vm_enough_memory (2) mm -1 syz done 6 2297d 2300d 15/29 fixed on 2020/06/18 13:57

Sample crash report:
memory commitment underflow
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at mm/util.c:604 __vm_enough_memory.cold+0x18/0x59 mm/util.c:604
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 1 Comm: init Not tainted 4.14.113+ #59
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x10e lib/dump_stack.c:53
 panic+0x1d9/0x3c2 kernel/panic.c:182
 __warn.cold+0x2f/0x3b kernel/panic.c:546
Kernel Offset: 0xec00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/04/23 10:24 android-4.14 fde41616bce4 53199d6e .config console log report syz C ci-android-414-kasan-gce-root
2019/04/23 10:09 android-4.14 fde41616bce4 53199d6e .config console log report syz C ci-android-414-kasan-gce-root
2019/02/02 06:25 android-4.14 80d7b06534fa 564f9a4f .config console log report syz C ci-android-414-kasan-gce-root
2018/12/06 13:56 android-4.14 23bc51816857 3ab38479 .config console log report syz C ci-android-414-kasan-gce-root
2019/08/07 03:42 android-4.14 b9cd593b1ba7 c6f01e54 .config console log report ci-android-414-kasan-gce-root
2019/02/10 00:15 android-4.14 57de59b3cf53 d75f7686 .config console log report ci-android-414-kasan-gce-root
2019/02/06 20:53 android-4.14 ae77ce090bb4 d25487bc .config console log report ci-android-414-kasan-gce-root
2019/02/06 16:23 android-4.14 ae77ce090bb4 d25487bc .config console log report ci-android-414-kasan-gce-root
2019/01/16 08:44 android-4.14 a10e61236fa2 b47fa78d .config console log report ci-android-414-kasan-gce-root
2018/12/06 13:36 android-4.14 23bc51816857 3ab38479 .config console log report ci-android-414-kasan-gce-root
* Struck through repros no longer work on HEAD.