From: syzbot <syzbot+3b9148f91b7869120e81@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, muchun.song@linux.dev,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] [mm?] kernel BUG in const_folio_flags
Date: Wed, 20 Mar 2024 21:04:23 -0700 [thread overview]
Message-ID: <0000000000006cfe98061423cde7@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 78c3925c048c Merge tag 'soc-late-6.9' of git://git.kernel...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1267d879180000
kernel config: https://syzkaller.appspot.com/x/.config?x=f3c2635ded15fbc9
dashboard link: https://syzkaller.appspot.com/bug?extid=3b9148f91b7869120e81
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: i386
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-78c3925c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/cf2bceeccde3/vmlinux-78c3925c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/fc938dfaea6d/bzImage-78c3925c.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+3b9148f91b7869120e81@syzkaller.appspotmail.com
veth_newlink+0x627/0xa10 drivers/net/veth.c:1895
rtnl_newlink_create net/core/rtnetlink.c:3494 [inline]
__rtnl_newlink+0x119c/0x1960 net/core/rtnetlink.c:3714
rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3727
rtnetlink_rcv_msg+0x3c7/0xe60 net/core/rtnetlink.c:6595
------------[ cut here ]------------
kernel BUG at include/linux/page-flags.h:315!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 42 Comm: kcompactd0 Not tainted 6.8.0-syzkaller-11725-g78c3925c048c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:const_folio_flags+0x1bd/0x1f0 include/linux/page-flags.h:315
Code: 41 83 e4 01 44 89 e6 e8 b1 e6 a9 ff 45 84 e4 0f 85 c4 fe ff ff e8 23 ec a9 ff 48 c7 c6 e0 07 1b 8b 48 89 ef e8 34 2e ed ff 90 <0f> 0b e8 8c 6b 06 00 e9 66 fe ff ff 48 89 ef e8 7f 6b 06 00 eb b6
RSP: 0018:ffffc9000068f7f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc9000068f698
RDX: ffff88801744c880 RSI: ffffffff81e4265c RDI: ffffffff8b6f0060
RBP: ffffea0000a04c00 R08: 0000000000000000 R09: fffffbfff1f3deca
R10: ffffffff8f9ef657 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea0000a04dc0 R14: 0000000000028137 R15: ffffc9000068fbe8
FS: 0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe623b9138 CR3: 000000001c22c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
folio_test_hugetlb include/linux/page-flags.h:875 [inline]
PageHuge+0x219/0x2b0 mm/hugetlb.c:2174
isolate_migratepages_block+0x4a0/0x5110 mm/compaction.c:1004
isolate_migratepages mm/compaction.c:2182 [inline]
compact_zone+0x1a5c/0x4280 mm/compaction.c:2629
kcompactd_do_work+0x340/0x720 mm/compaction.c:3100
kcompactd+0x8d7/0xde0 mm/compaction.c:3199
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:const_folio_flags+0x1bd/0x1f0 include/linux/page-flags.h:315
Code: 41 83 e4 01 44 89 e6 e8 b1 e6 a9 ff 45 84 e4 0f 85 c4 fe ff ff e8 23 ec a9 ff 48 c7 c6 e0 07 1b 8b 48 89 ef e8 34 2e ed ff 90 <0f> 0b e8 8c 6b 06 00 e9 66 fe ff ff 48 89 ef e8 7f 6b 06 00 eb b6
RSP: 0018:ffffc9000068f7f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc9000068f698
RDX: ffff88801744c880 RSI: ffffffff81e4265c RDI: ffffffff8b6f0060
RBP: ffffea0000a04c00 R08: 0000000000000000 R09: fffffbfff1f3deca
R10: ffffffff8f9ef657 R11: 0000000000000000 R12: 0000000000000000
R13: ffffea0000a04dc0 R14: 0000000000028137 R15: ffffc9000068fbe8
FS: 0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe623b9138 CR3: 000000001c22c000 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.
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next reply other threads:[~2024-03-21 4:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-21 4:04 syzbot [this message]
2024-03-21 9:49 ` [syzbot] [mm?] kernel BUG in const_folio_flags Muchun Song
2024-03-21 9:58 ` David Hildenbrand
2024-03-21 10:20 ` Oscar Salvador
2024-03-22 3:24 ` Muchun Song
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