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BUG: corrupted list in do_compact_page

Status: upstream: reported syz repro on 2024/09/18 11:58
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+b7a3118f6a494674077f@syzkaller.appspotmail.com
First crash: 81d, last: 13h33m
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [mm?] BUG: corrupted list in do_compact_page 1 (4) 2024/10/03 11:36
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2024/11/03 22:30 18m retest repro upstream report log
2024/10/03 10:59 35m hdanton@sina.com patch upstream OK log

Sample crash report:
list_add corruption. next->prev should be prev (ffffe8fefc9300e0), but was ffff88810a694800. (next=ffff88810868fc00).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:29!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 69 Comm: kworker/u32:3 Not tainted 6.12.0-rc1-syzkaller-00042-gf23aa4c0761a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: zswap1 compact_page_work
RIP: 0010:__list_add_valid_or_report+0xa9/0x100 lib/list_debug.c:29
Code: 9d d1 8b e8 19 93 d8 fc 90 0f 0b 48 c7 c7 60 9e d1 8b e8 0a 93 d8 fc 90 0f 0b 48 89 d9 48 c7 c7 c0 9e d1 8b e8 f8 92 d8 fc 90 <0f> 0b 48 89 f1 48 c7 c7 40 9f d1 8b 48 89 de e8 e3 92 d8 fc 90 0f
RSP: 0018:ffffc90000d67bf8 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffff88810868fc00 RCX: ffffffff816d47e9
RDX: 0000000000000000 RSI: ffffffff816df0e6 RDI: 0000000000000005
RBP: ffff888040c49000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810868fc00
R13: ffff888040c490b0 R14: ffffea0001031240 R15: ffff888040c49008
FS:  0000000000000000(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b764808 CR3: 000000006493a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:88 [inline]
 __list_add include/linux/list.h:150 [inline]
 list_add include/linux/list.h:169 [inline]
 add_to_unbuddied mm/z3fold.c:550 [inline]
 do_compact_page+0x10f2/0x27b0 mm/z3fold.c:772
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xa9/0x100 lib/list_debug.c:29
Code: 9d d1 8b e8 19 93 d8 fc 90 0f 0b 48 c7 c7 60 9e d1 8b e8 0a 93 d8 fc 90 0f 0b 48 89 d9 48 c7 c7 c0 9e d1 8b e8 f8 92 d8 fc 90 <0f> 0b 48 89 f1 48 c7 c7 40 9f d1 8b 48 89 de e8 e3 92 d8 fc 90 0f
RSP: 0018:ffffc90000d67bf8 EFLAGS: 00010286

RAX: 0000000000000075 RBX: ffff88810868fc00 RCX: ffffffff816d47e9
RDX: 0000000000000000 RSI: ffffffff816df0e6 RDI: 0000000000000005
RBP: ffff888040c49000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810868fc00
R13: ffff888040c490b0 R14: ffffea0001031240 R15: ffff888040c49008
FS:  0000000000000000(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b764808 CR3: 000000006493a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (18):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/03 05:22 upstream f23aa4c0761a a4c7fd36 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: corrupted list in do_compact_page
2024/11/07 16:30 upstream ff7afaeca1a1 867e44df .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: corrupted list in do_compact_page
2024/09/30 18:03 upstream 9852d85ec9d4 179f4029 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: corrupted list in do_compact_page
2024/09/08 02:46 upstream d1f2d51b711a 9750182a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: corrupted list in do_compact_page
2024/11/20 17:15 upstream bf9aa14fc523 4fca1650 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/11/17 16:53 upstream 4a5df3796467 cfe3a04a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/10/20 22:19 upstream db87114dcf13 cd6fc0a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/10/14 06:40 upstream 6485cf5ea253 084d8178 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/10/10 03:12 upstream b983b271662b 0278d004 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/10/09 13:38 upstream 75b607fab38d 56fb2cb7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/10/06 03:47 upstream fc20a3e57247 d7906eff .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/10/03 15:00 upstream 7ec462100ef9 d7906eff .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/10/02 18:43 upstream e32cde8d2bd7 83a2f15f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/09/27 01:55 upstream 075dbe9f6e3c 9314348a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/09/18 11:57 upstream a430d95c5efa c673ca06 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/09/08 07:40 upstream d1f2d51b711a 9750182a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/09/02 18:41 upstream 67784a74e258 1eda0d14 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
2024/08/31 23:01 upstream 1934261d8974 1eda0d14 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in do_compact_page
* Struck through repros no longer work on HEAD.