syzbot


WARNING in folio_memcg

Status: upstream: reported C repro on 2024/08/19 07:22
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+ef4ecf7b6bdc4157bfa4@syzkaller.appspotmail.com
Fix commit: mm: kmem: fix split_page_memcg()
Patched on: [ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-gce-upstream-auto ci-qemu-native-arm64-kvm ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 226d, last: 22h45m
Cause bisection: introduced by (bisect log) :
commit ebadc95608dc3ee87ad4e5dc4f2c665c709bb899
Author: Muchun Song <songmuchun@bytedance.com>
Date: Wed Aug 14 09:34:15 2024 +0000

  mm: kmem: add lockdep assertion to obj_cgroup_memcg

Crash: WARNING in folio_memcg (log)
Repro: C syz .config
  
Discussions (2)
Title Replies (including bot) Last reply
[PATCH] mm: kmem: fix split_page_memcg() 3 (3) 2024/08/20 02:37
[syzbot] [cgroups?] [mm?] WARNING in folio_memcg 1 (2) 2024/08/19 08:05

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5235 at include/linux/memcontrol.h:373 obj_cgroup_memcg include/linux/memcontrol.h:373 [inline]
WARNING: CPU: 1 PID: 5235 at include/linux/memcontrol.h:373 folio_memcg+0x111/0x220 include/linux/memcontrol.h:443
Modules linked in:
CPU: 1 UID: 0 PID: 5235 Comm: syz-executor874 Not tainted 6.11.0-rc3-next-20240816-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:obj_cgroup_memcg include/linux/memcontrol.h:373 [inline]
RIP: 0010:folio_memcg+0x111/0x220 include/linux/memcontrol.h:443
Code: 10 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 e2 2f f8 ff 48 8b 1b 48 89 d8 5b 41 5c 41 5e 41 5f c3 cc cc cc cc 90 <0f> 0b 90 eb ce 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 55 ff ff ff
RSP: 0018:ffffc9000361ef40 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880276c5000 RCX: 0000000080000000
RDX: 0000000000000000 RSI: ffffffff8c0adfc0 RDI: ffffffff8c60a8c0
RBP: ffffea0001dc8008 R08: ffffffff9018c5af R09: 1ffffffff20318b5
R10: dffffc0000000000 R11: fffffbfff20318b6 R12: dffffc0000000000
R13: 0000000001000108 R14: ffffea0001dc8000 R15: ffffea0001dc8030
FS:  000055556cc4f380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000045ad50 CR3: 000000005247a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 split_page_memcg+0x58/0x3f0 mm/memcontrol.c:3083
 vm_area_alloc_pages mm/vmalloc.c:3614 [inline]
 __vmalloc_area_node mm/vmalloc.c:3669 [inline]
 __vmalloc_node_range_noprof+0xa63/0x1400 mm/vmalloc.c:3850
 __kvmalloc_node_noprof+0x142/0x1b0 mm/util.c:681
 nf_tables_newset+0x1743/0x2ea0 net/netfilter/nf_tables_api.c:5282
 nfnetlink_rcv_batch net/netfilter/nfnetlink.c:524 [inline]
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:647 [inline]
 nfnetlink_rcv+0x14dc/0x2ad0 net/netfilter/nfnetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
 ___sys_sendmsg net/socket.c:2651 [inline]
 __sys_sendmsg+0x298/0x390 net/socket.c:2680
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff9c3845d49
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe78486ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff9c3845d49
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff9c388f036
R13: 00007ffe78486be0 R14: 00007ffe78486c20 R15: 0000000000000000
 </TASK>

Crashes (477):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/16 14:44 linux-next 367b5c3d53e5 e4bacdaf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in folio_memcg
2024/08/16 13:34 linux-next 367b5c3d53e5 e4bacdaf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in folio_memcg
2024/08/16 13:03 linux-next 367b5c3d53e5 e4bacdaf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in folio_memcg
2025/03/29 20:24 upstream 7d06015d936c d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/28 20:31 upstream acb4f33713b9 49900278 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/27 09:37 upstream 1e1ba8d23dae 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/27 07:22 upstream 1e1ba8d23dae 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/25 23:34 upstream 2df0c02dab82 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/23 14:04 upstream 586de92313fc 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/23 04:05 upstream 183601b78a9b c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/22 23:32 upstream 88d324e69ea9 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/21 15:03 upstream b3ee1e460951 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/21 13:44 upstream b3ee1e460951 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/18 00:57 upstream 4701f33a1070 ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/17 20:03 upstream 4701f33a1070 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/17 01:01 upstream cb82ca153949 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/17 01:01 upstream cb82ca153949 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/16 22:23 upstream cb82ca153949 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/15 21:56 upstream 3571e8b091f4 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/15 19:18 upstream 3571e8b091f4 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/15 14:25 upstream a29967be967e e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/15 12:03 upstream a29967be967e e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/15 07:14 upstream a29967be967e e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/14 01:24 upstream 4003c9e78778 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/12 17:12 upstream 0fed89a961ea ee70e6db .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/12 07:56 upstream 0fed89a961ea ee70e6db .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/10 20:30 upstream 80e54e84911a 16256247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/09 12:17 upstream b7c90e3e717a 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/09 07:13 upstream b7c90e3e717a 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/08 11:23 upstream 21e4543a2e2f 7e3bd60d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/07 03:11 upstream f315296c92fd 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/03 02:45 upstream 1973160c90d7 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/01 21:33 upstream 03d38806a902 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/03/01 06:56 upstream 5c44ddaf7df3 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/28 07:25 upstream 1e15510b71c9 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/28 02:55 upstream dd83757f6e68 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/27 17:05 upstream dd83757f6e68 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/26 23:21 upstream ac9c34d1e45a 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/26 17:31 upstream ac9c34d1e45a d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/25 16:43 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/25 13:19 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/25 11:02 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/24 14:09 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/24 10:15 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/22 13:05 upstream ff202c5028a1 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/22 08:54 upstream ff202c5028a1 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/22 00:48 upstream 334426094588 0808a665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/21 20:39 upstream 334426094588 0808a665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/21 19:21 upstream 334426094588 0808a665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2025/02/21 15:00 upstream 27eddbf34490 0808a665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in folio_memcg
2024/08/20 01:29 linux-next 367b5c3d53e5 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in folio_memcg
* Struck through repros no longer work on HEAD.