From: syzbot <syzbot+e145145f0c83d4deb8fa@syzkaller.appspotmail.com>
To: Liam.Howlett@oracle.com, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
lstoakes@gmail.com, syzkaller-bugs@googlegroups.com,
vbabka@suse.cz
Subject: [syzbot] [mm?] WARNING in unmap_page_range (3)
Date: Tue, 19 Mar 2024 03:43:20 -0700 [thread overview]
Message-ID: <0000000000007de0cf06140124c0@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: e5eb28f6d1af Merge tag 'mm-nonmm-stable-2024-03-14-09-36' ..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1383c6c9180000
kernel config: https://syzkaller.appspot.com/x/.config?x=4ffb854606e658d
dashboard link: https://syzkaller.appspot.com/bug?extid=e145145f0c83d4deb8fa
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14583abe180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14298231180000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-e5eb28f6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/a5c7ad05d6b2/vmlinux-e5eb28f6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/531cb1917612/bzImage-e5eb28f6.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e145145f0c83d4deb8fa@syzkaller.appspotmail.com
WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_present_ptes mm/memory.c:1539 [inline]
WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_pte_range mm/memory.c:1603 [inline]
WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_pmd_range mm/memory.c:1720 [inline]
WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_pud_range mm/memory.c:1749 [inline]
WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_p4d_range mm/memory.c:1770 [inline]
WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 unmap_page_range+0x2a54/0x3bf0 mm/memory.c:1791
Modules linked in:
CPU: 2 PID: 5169 Comm: syz-executor144 Not tainted 6.8.0-syzkaller-09791-ge5eb28f6d1af #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:zap_present_ptes mm/memory.c:1539 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1603 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1720 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1749 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1770 [inline]
RIP: 0010:unmap_page_range+0x2a54/0x3bf0 mm/memory.c:1791
Code: e8 a1 c3 16 00 e9 23 e4 ff ff e8 b7 d8 bb ff 48 8b bc 24 c0 00 00 00 4c 89 ee e8 c7 db 21 00 e9 77 fb ff ff e8 9d d8 bb ff 90 <0f> 0b 90 e9 93 f6 ff ff e8 8f d8 bb ff 48 8b bc 24 c0 00 00 00 48
RSP: 0018:ffffc900033578c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888024b5f200 RCX: ffffffff81d11e76
RDX: ffff888024178000 RSI: ffffffff81d127e3 RDI: 0000000000000007
RBP: 0000000000001000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000003 R12: 0000000020123000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88802525a910
FS: 0000000000000000(0000) GS:ffff88806b400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557eb0678 CR3: 0000000025dae000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
unmap_single_vma+0x194/0x2b0 mm/memory.c:1837
unmap_vmas+0x22f/0x490 mm/memory.c:1881
exit_mmap+0x1c1/0xb60 mm/mmap.c:3267
__mmput+0x12a/0x4d0 kernel/fork.c:1345
mmput+0x62/0x70 kernel/fork.c:1367
exit_mm kernel/exit.c:569 [inline]
do_exit+0x999/0x2be0 kernel/exit.c:865
do_group_exit+0xd3/0x2a0 kernel/exit.c:1027
__do_sys_exit_group kernel/exit.c:1038 [inline]
__se_sys_exit_group kernel/exit.c:1036 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1036
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f61f6f6ad39
Code: Unable to access opcode bytes at 0x7f61f6f6ad0f.
RSP: 002b:00007fffa3593cd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f61f6f6ad39
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f61f6fe5270 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f61f6fe5270
R13: 0000000000000000 R14: 00007f61f6fe5cc0 R15: 00007f61f6f3cb10
</TASK>
---
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@googlegroups.com.
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 syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
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
next reply other threads:[~2024-03-19 10:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-19 10:43 syzbot [this message]
2024-03-19 13:32 ` [syzbot] [mm?] WARNING in unmap_page_range (3) David Hildenbrand
2024-06-17 13:33 ` [syzbot] " syzbot
2024-07-01 13:34 ` syzbot
2024-07-15 13:35 ` syzbot
2024-07-15 16:06 ` David Hildenbrand
2024-07-15 18:54 ` Aleksandr Nogikh
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0000000000007de0cf06140124c0@google.com \
--to=syzbot+e145145f0c83d4deb8fa@syzkaller.appspotmail.com \
--cc=Liam.Howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lstoakes@gmail.com \
--cc=syzkaller-bugs@googlegroups.com \
--cc=vbabka@suse.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.