syzbot


linux-next test error: WARNING in __mod_memcg_lruvec_state

Status: auto-closed as invalid on 2022/04/29 16:09
Subsystems: cgroups mm
[Documentation on labels]
Reported-by: syzbot+a526c269335f529d25c8@syzkaller.appspotmail.com
First crash: 790d, last: 787d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] linux-next test error: WARNING in __mod_memcg_lruvec_state 2 (4) 2022/02/28 11:06

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 34 at mm/memcontrol.c:749 __mod_memcg_lruvec_state+0x1ab/0x220 mm/memcontrol.c:760
Modules linked in:
CPU: 1 PID: 34 Comm: khugepaged Not tainted 5.17.0-rc6-next-20220228-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__mod_memcg_lruvec_state+0x1ab/0x220 mm/memcontrol.c:749
Code: 2b 05 71 0e 48 c7 c7 60 b5 b9 89 e8 3f 4c 90 07 65 c7 05 64 2a 38 7e 00 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 <0f> 0b e9 a6 fe ff ff 4c 89 f6 48 c7 c7 a0 50 ce 8b e8 5f da 44 02
RSP: 0018:ffffc90000ab7bc0 EFLAGS: 00010202
RAX: 0000000000000206 RBX: 0000000000000200 RCX: ffffffff81aac0f3
RDX: 1ffff1100218fa8d RSI: 000000000000001c RDI: ffff888010c7d468
RBP: ffff888010c7d000 R08: 0000000000000001 R09: ffffffff8b8144e7
R10: fffffbfff170289c R11: 0000000000000001 R12: 000000000000001c
R13: ffff888140150000 R14: ffff888140150000 R15: ffff88813fffa000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f41d9ac9320 CR3: 0000000072e57000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mod_lruvec_page_state+0x1e5/0x3e0 mm/memcontrol.c:801
 page_add_new_anon_rmap+0x2e5/0x930 mm/rmap.c:1217
 collapse_huge_page mm/khugepaged.c:1186 [inline]
 khugepaged_scan_pmd mm/khugepaged.c:1357 [inline]
 khugepaged_scan_mm_slot mm/khugepaged.c:2167 [inline]
 khugepaged_do_scan mm/khugepaged.c:2248 [inline]
 khugepaged+0x54fd/0x66c0 mm/khugepaged.c:2293
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/02/28 16:08 linux-next 6705cd745adb 45a13a73 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next test error: WARNING in __mod_memcg_lruvec_state
2022/02/28 16:08 linux-next 6705cd745adb 45a13a73 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next test error: WARNING in __mod_memcg_lruvec_state
2022/02/28 16:08 linux-next 6705cd745adb 45a13a73 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next test error: WARNING in __mod_memcg_lruvec_state
2022/02/26 01:58 linux-next 06aeb1495c39 45a13a73 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next test error: WARNING in __mod_memcg_lruvec_state
2022/02/26 01:58 linux-next 06aeb1495c39 45a13a73 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next test error: WARNING in __mod_memcg_lruvec_state
2022/02/26 01:58 linux-next 06aeb1495c39 45a13a73 .config console log report ci-upstream-linux-next-kasan-gce-root linux-next test error: WARNING in __mod_memcg_lruvec_state
* Struck through repros no longer work on HEAD.