Hello, syzbot found the following issue on: HEAD commit: d1f2d51b711a Merge tag 'clk-fixes-for-linus' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17d2abc7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=57042fe37c7ee7c2 dashboard link: https://syzkaller.appspot.com/bug?extid=b7a3118f6a494674077f compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-d1f2d51b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/3668422e8cc6/vmlinux-d1f2d51b.xz kernel image: https://storage.googleapis.com/syzbot-assets/65c03a0a8e96/bzImage-d1f2d51b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b7a3118f6a494674077f@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:29! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 3 UID: 0 PID: 1106 Comm: kworker/u32:7 Not tainted 6.11.0-rc6-syzkaller-00326-gd1f2d51b711a #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: fb b0 8b e8 59 68 de fc 90 0f 0b 48 c7 c7 60 fc b0 8b e8 4a 68 de fc 90 0f 0b 48 89 d9 48 c7 c7 c0 fc b0 8b e8 38 68 de fc 90 <0f> 0b 48 89 f1 48 c7 c7 40 fd b0 8b 48 89 de e8 23 68 de fc 90 0f RSP: 0018:ffffc90005d2fbf8 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffff88802fef5000 RCX: ffffffff816c5a79 RDX: 0000000000000000 RSI: ffffffff816ceeb6 RDI: 0000000000000005 RBP: ffff888024213000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000293 R12: ffff88802fef5000 R13: ffff8880242130b0 R14: ffffea00009084c0 R15: ffff888024213008 FS: 0000000000000000(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c35107b CR3: 000000004352c000 CR4: 0000000000350ef0 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+0x9c5/0x1b40 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xed0 kernel/workqueue.c:3389 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: fb b0 8b e8 59 68 de fc 90 0f 0b 48 c7 c7 60 fc b0 8b e8 4a 68 de fc 90 0f 0b 48 89 d9 48 c7 c7 c0 fc b0 8b e8 38 68 de fc 90 <0f> 0b 48 89 f1 48 c7 c7 40 fd b0 8b 48 89 de e8 23 68 de fc 90 0f RSP: 0018:ffffc90005d2fbf8 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffff88802fef5000 RCX: ffffffff816c5a79 RDX: 0000000000000000 RSI: ffffffff816ceeb6 RDI: 0000000000000005 RBP: ffff888024213000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000293 R12: ffff88802fef5000 R13: ffff8880242130b0 R14: ffffea00009084c0 R15: ffff888024213008 FS: 0000000000000000(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c35107b CR3: 000000004352c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
