syzbot


BUG: Bad rss-counter state (6)

Status: moderation: reported on 2025/09/23 11:15
Reported-by: syzbot+6f5ac0bf735b8a4007ae@syzkaller.appspotmail.com
First crash: 105d, last: 57d
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 3022d 2985d 0/29 closed as invalid on 2017/10/31 09:42
upstream BUG: Bad rss-counter state (2) kernel -1 11 2935d 2937d 0/29 closed as invalid on 2018/02/01 12:07
linux-4.19 BUG: Bad rss-counter state -1 C error 18 1555d 2100d 0/1 upstream: reported C repro on 2020/04/03 02:55
upstream BUG: Bad rss-counter state (4) -1 C done unreliable 124 964d 2055d 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 1756d 1853d 0/1 auto-closed as invalid on 2021/07/10 23:34
linux-4.14 BUG: Bad rss-counter state -1 1 2212d 2212d 0/1 auto-closed as invalid on 2020/04/11 05:38
linux-6.6 BUG: Bad rss-counter state -1 1 105d 105d 0/2 auto-obsoleted due to no activity on 2025/12/28 14:06
upstream BUG: Bad rss-counter state (5) mm -1 C done 2365 173d 599d 29/29 fixed on 2025/08/07 23:42
upstream BUG: Bad rss-counter state (3) -1 C unreliable done 438 2349d 2815d 15/29 fixed on 2020/01/31 18:49
android-54 BUG: Bad rss-counter state -1 C 15 230d 2062d 0/2 upstream: reported C repro on 2020/05/11 02:06
android-49 BUG: Bad rss-counter state -1 11325 2221d 2455d 0/3 auto-closed as invalid on 2020/03/03 11:04

Sample crash report:
BUG: Bad rss-counter state mm:ffff8880338e8000 type:MM_FILEPAGES val:-1 Comm:dhcpcd Pid:5368

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/19 11:06 upstream 097a6c336d00 67c37560 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root BUG: Bad rss-counter state
2025/11/06 00:27 bpf 44e8f13f07cf a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: Bad rss-counter state
* Struck through repros no longer work on HEAD.