From: syzbot <syzbot+8fab910f890e17016919@syzkaller.appspotmail.com>
To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] [hfs?] kernel BUG in __filemap_get_folio (2)
Date: Tue, 09 May 2023 01:26:49 -0700 [thread overview]
Message-ID: <0000000000004b8a1505fb3e84ac@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 3c4aa4434377 Merge tag 'ceph-for-6.4-rc1' of https://githu..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=170c6870280000
kernel config: https://syzkaller.appspot.com/x/.config?x=87f9126139666d37
dashboard link: https://syzkaller.appspot.com/bug?extid=8fab910f890e17016919
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
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-3c4aa443.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1c522f5ebcfe/vmlinux-3c4aa443.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b923244383b5/bzImage-3c4aa443.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8fab910f890e17016919@syzkaller.appspotmail.com
kswapd+0x677/0xd60 mm/vmscan.c:7727
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:996!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 2 PID: 5174 Comm: syz-executor.3 Not tainted 6.3.0-syzkaller-13091-g3c4aa4434377 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:put_page_testzero include/linux/mm.h:996 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1002 [inline]
RIP: 0010:folio_put include/linux/mm.h:1429 [inline]
RIP: 0010:__filemap_get_folio+0x8e2/0x990 mm/filemap.c:1937
Code: e8 b3 20 d3 ff 48 c7 c6 00 b2 56 8a 4c 89 e7 e8 d4 a6 0e 00 0f 0b e8 9d 20 d3 ff 48 c7 c6 00 b2 56 8a 4c 89 e7 e8 be a6 0e 00 <0f> 0b e8 87 20 d3 ff 4c 89 e7 49 c7 c4 f5 ff ff ff e8 f8 44 03 00
RSP: 0018:ffffc900038579a0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff888016a38000 RSI: ffffffff81b13d42 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8e7a71d7
R10: fffffbfff1cf4e3a R11: 0000000000000000 R12: ffffea00007e5b80
R13: ffff8880734a4480 R14: 0000000000000000 R15: ffffea00007e5bb4
FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000581dd380
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f734e1b0 CR3: 0000000071e9b000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
truncate_inode_pages_range+0x350/0xf10 mm/truncate.c:377
hfs_evict_inode+0x1a/0x100 fs/hfs/inode.c:563
evict+0x2ed/0x6b0 fs/inode.c:665
iput_final fs/inode.c:1747 [inline]
iput.part.0+0x50a/0x740 fs/inode.c:1773
iput+0x5c/0x80 fs/inode.c:1763
hfs_btree_close+0x282/0x390 fs/hfs/btree.c:158
hfs_mdb_put+0xbf/0x380 fs/hfs/mdb.c:360
generic_shutdown_super+0x158/0x480 fs/super.c:500
kill_block_super+0xa1/0x100 fs/super.c:1407
deactivate_locked_super+0x98/0x160 fs/super.c:331
deactivate_super+0xb1/0xd0 fs/super.c:362
cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177
task_work_run+0x16f/0x270 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7fa7579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ffa4afdc EFLAGS: 00000292 ORIG_RAX: 0000000000000034
RAX: 0000000000000000 RBX: 00000000ffa4b080 RCX: 000000000000000a
RDX: 00000000f734e000 RSI: 0000000000000000 RDI: 00000000f72a2535
RBP: 00000000ffa4b080 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:put_page_testzero include/linux/mm.h:996 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1002 [inline]
RIP: 0010:folio_put include/linux/mm.h:1429 [inline]
RIP: 0010:__filemap_get_folio+0x8e2/0x990 mm/filemap.c:1937
Code: e8 b3 20 d3 ff 48 c7 c6 00 b2 56 8a 4c 89 e7 e8 d4 a6 0e 00 0f 0b e8 9d 20 d3 ff 48 c7 c6 00 b2 56 8a 4c 89 e7 e8 be a6 0e 00 <0f> 0b e8 87 20 d3 ff 4c 89 e7 49 c7 c4 f5 ff ff ff e8 f8 44 03 00
RSP: 0018:ffffc900038579a0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff888016a38000 RSI: ffffffff81b13d42 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8e7a71d7
R10: fffffbfff1cf4e3a R11: 0000000000000000 R12: ffffea00007e5b80
R13: ffff8880734a4480 R14: 0000000000000000 R15: ffffea00007e5bb4
FS: 0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000581dd380
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f737c0c4 CR3: 0000000071e9b000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 retq
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
---
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 bug is already fixed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to change bug's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the bug is a duplicate of another bug, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
reply other threads:[~2023-05-09 8:27 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=0000000000004b8a1505fb3e84ac@google.com \
--to=syzbot+8fab910f890e17016919@syzkaller.appspotmail.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=syzkaller-bugs@googlegroups.com \
/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.