BUG: Bad rss-counter state

Status: auto-obsoleted due to no activity on 2025/12/28 14:06
Reported-by: syzbot+ef79cef0d26a36865d71@syzkaller.appspotmail.com
First crash: 328d, last: 328d
▶ ▼ Similar bugs (11)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: Bad rss-counter state -1 syz 20 3245d 3208d 0/29 closed as invalid on 2017/10/31 09:42
upstream BUG: Bad rss-counter state (2) kernel -1 11 3158d 3160d 0/29 closed as invalid on 2018/02/01 12:07
linux-4.19 BUG: Bad rss-counter state -1 syz, C error 18 1778d 2323d 0/1 upstream: reported C repro on 2020/04/03 02:55
upstream BUG: Bad rss-counter state (4) -1 syz, C done unreliable 124 1186d 2278d 0/29 auto-obsoleted due to no activity on 2023/08/23 09:04
linux-4.14 BUG: Bad rss-counter state (2) -1 4 1979d 2076d 0/1 auto-closed as invalid on 2021/07/10 23:34
linux-4.14 BUG: Bad rss-counter state -1 1 2435d 2435d 0/1 auto-closed as invalid on 2020/04/11 05:38
upstream BUG: Bad rss-counter state (5) mm -1 syz, C done 2365 396d 822d 29/29 fixed on 2025/08/07 23:42
upstream BUG: Bad rss-counter state (3) -1 syz, C unreliable done 438 2572d 3038d 15/29 fixed on 2020/01/31 18:49
android-54 BUG: Bad rss-counter state -1 syz, C 15 452d 2285d 0/2 upstream: reported C repro on 2020/05/11 02:06
upstream BUG: Bad rss-counter state (6) prio:high mm -1 111 3d13h 186d 0/29 upstream: reported on 2026/02/08 00:32
android-49 BUG: Bad rss-counter state -1 11325 2444d 2678d 0/3 auto-closed as invalid on 2020/03/03 11:04

Sample crash report:
BUG: Bad rss-counter state mm:ffff88807c7a1c80 type:MM_ANONPAGES val:6
BUG: non-zero pgtables_bytes on freeing mm: 12288

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/19 14:05 linux-6.6.y 60a9e718726f 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan BUG: Bad rss-counter state
* Struck through repros no longer work on HEAD.