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Message-ID: <0000000000002893750620a57d66@google.com>
Date: Tue, 27 Aug 2024 00:50:01 -0700
From: syzbot <syzbot+4d2aaeff9eb5a2cfec70@...kaller.appspotmail.com>
To: eadavis@...com, linux-kernel@...r.kernel.org,
syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in vprintk_emit
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
kernel panic: stack is corrupted in vprintk_emit
ntfs3: loop0: Failed to load $UpCase (-22).
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: vprintk_emit+0x7bd/0x7c0
CPU: 0 UID: 0 PID: 5851 Comm: syz.0.15 Not tainted 6.11.0-rc5-syzkaller-00015-g3e9bff3bbe13 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
panic+0x349/0x860 kernel/panic.c:354
__stack_chk_fail+0x15/0x20 kernel/panic.c:827
vprintk_emit+0x7bd/0x7c0
_printk+0xd5/0x120 kernel/printk/printk.c:2373
ntfs_printk+0x3ad/0x420 fs/ntfs3/super.c:93
ntfs_fill_super+0x2eb8/0x4730
get_tree_bdev+0x3f7/0x570 fs/super.c:1635
vfs_get_tree+0x90/0x2b0 fs/super.c:1800
do_new_mount+0x2be/0xb40 fs/namespace.c:3472
do_mount fs/namespace.c:3812 [inline]
__do_sys_mount fs/namespace.c:4020 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
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: 0033:0x7f6e3a57b0ba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6e3b384e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6e3b384ef0 RCX: 00007f6e3a57b0ba
RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007f6e3b384eb0
RBP: 000000002001f800 R08: 00007f6e3b384ef0 R09: 0000000000000801
R10: 0000000000000801 R11: 0000000000000246 R12: 000000002001f840
R13: 00007f6e3b384eb0 R14: 000000000001f829 R15: 0000000020000000
</TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..
Tested on:
commit: 3e9bff3b Merge tag 'vfs-6.11-rc6.fixes' of gitolite.ke..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1362847b980000
kernel config: https://syzkaller.appspot.com/x/.config?x=8605cd35ddc8ff3c
dashboard link: https://syzkaller.appspot.com/bug?extid=4d2aaeff9eb5a2cfec70
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Note: no patches were applied.
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