Message-ID: <67571760.050a0220.a30f1.01a9.GAE@google.com>
Date: Mon, 09 Dec 2024 08:14:24 -0800
From: syzbot <syzbot+7d6336b144d8db5ad602@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, 
	linux-mm@...ck.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] [mm?] WARNING in lru_gen_add_folio

Hello,

syzbot found the following issue on:

HEAD commit:    af2ea8ab7a54 Add linux-next specific files for 20241205
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=1232c3e8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=76f158395f6f15fd
dashboard link: https://syzkaller.appspot.com/bug?extid=7d6336b144d8db5ad602
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=179d14df980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13be48f8580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8af0861258fa/disk-af2ea8ab.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ffb38cf7a344/vmlinux-af2ea8ab.xz
kernel image: https://storage.googleapis.com/syzbot-assets/6fbd2e50358a/bzImage-af2ea8ab.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/c5bc8f20b5e4/mount_13.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7d6336b144d8db5ad602@...kaller.appspotmail.com

 reclaim_folio_list+0x13c/0x5f0 mm/vmscan.c:2183
 reclaim_pages+0x49e/0x5e0 mm/vmscan.c:2220
 madvise_cold_or_pageout_pte_range+0x1ea8/0x2360 mm/madvise.c:558
 walk_pmd_range mm/pagewalk.c:130 [inline]
 walk_pud_range mm/pagewalk.c:226 [inline]
 walk_p4d_range mm/pagewalk.c:264 [inline]
 walk_pgd_range+0xc3d/0x17e0 mm/pagewalk.c:305
 __walk_page_range+0x15f/0x700 mm/pagewalk.c:412
 walk_page_range_mm+0x58f/0x7c0 mm/pagewalk.c:505
 madvise_pageout_page_range mm/madvise.c:617 [inline]
 madvise_pageout mm/madvise.c:644 [inline]
 madvise_vma_behavior mm/madvise.c:1266 [inline]
 madvise_walk_vmas mm/madvise.c:1502 [inline]
 do_madvise+0x3944/0x4d90 mm/madvise.c:1689
 __do_sys_madvise mm/madvise.c:1705 [inline]
 __se_sys_madvise mm/madvise.c:1703 [inline]
 __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:1703
 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
------------[ cut here ]------------
WARNING: CPU: 0 PID: 14073 at ./include/linux/mm_inline.h:265 lru_gen_add_folio+0xad2/0xc30 include/linux/mm_inline.h:265
Modules linked in:
CPU: 0 UID: 0 PID: 14073 Comm: syz-executor858 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:lru_gen_add_folio+0xad2/0xc30 include/linux/mm_inline.h:265
Code: 44 89 c2 ff ba 01 00 00 00 e9 8b fa ff ff e8 35 89 c2 ff 4c 89 ff 48 c7 c6 c0 c8 13 8c e8 c6 41 0c 00 c6 05 f1 32 27 0e 01 90 <0f> 0b 90 e9 82 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c 19 f7 ff ff 48
RSP: 0018:ffffc9000e786ce0 EFLAGS: 00010046
RAX: 72f3d3d7c701e600 RBX: ffffea0000cbb548 RCX: ffffc9000e786803
RDX: 0000000000000003 RSI: ffffffff8c0aa440 RDI: ffffffff8c5fbe80
RBP: ffffc9000e786dd8 R08: ffffffff9019d9b7 R09: 1ffffffff2033b36
R10: dffffc0000000000 R11: fffffbfff2033b37 R12: 0000000000000000
R13: 1ffffd40001976a8 R14: 0000020000000000 R15: ffffea0000cbb540
FS:  00007f0542a006c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05432da864 CR3: 000000002eb56000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lruvec_add_folio include/linux/mm_inline.h:352 [inline]
 lru_add+0x704/0xdb0 mm/swap.c:154
 folio_batch_move_lru+0x26b/0x420 mm/swap.c:168
 __folio_batch_add_and_move+0x5bb/0xd70 mm/swap.c:196
 filemap_add_folio+0x24e/0x380 mm/filemap.c:987
 page_cache_ra_unbounded+0x32c/0x720 mm/readahead.c:263
 do_async_mmap_readahead mm/filemap.c:3212 [inline]
 filemap_fault+0x818/0x1490 mm/filemap.c:3311
 __do_fault+0x135/0x390 mm/memory.c:4978
 do_read_fault mm/memory.c:5393 [inline]
 do_fault mm/memory.c:5527 [inline]
 do_pte_missing mm/memory.c:4048 [inline]
 handle_pte_fault+0x39eb/0x5ee0 mm/memory.c:5872
 __handle_mm_fault mm/memory.c:6015 [inline]
 handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6183
 faultin_page mm/gup.c:1200 [inline]
 __get_user_pages+0x1b31/0x4370 mm/gup.c:1495
 populate_vma_page_range+0x264/0x330 mm/gup.c:1933
 __mm_populate+0x27a/0x460 mm/gup.c:2036
 mm_populate include/linux/mm.h:3389 [inline]
 vm_mmap_pgoff+0x303/0x430 mm/util.c:585
 ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:545
 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: 0033:0x7f0543256069
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0542a00158 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f05432d8708 RCX: 00007f0543256069
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f05432d8700 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 00007f05432d870c
R13: 0000000000000006 R14: 00007ffce0a6ecb0 R15: 00007ffce0a6ed98
 </TASK>


---
This report is generated by a bot. It may contain errors.
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