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[parent not found: <CABPJ0vhxvUrsFsL7-q5UJeUOsy=gz4nUVJxCOLjBaPP5cB2hYA@mail.gmail.com>]
[parent not found: <20250506130020.798216-1-richard120310@gmail.com>]
* [syzbot] [jfs?] KMSAN: uninit-value in BT_STACK_DUMP
@ 2025-05-06  3:08 syzbot
  0 siblings, 0 replies; 4+ messages in thread
From: syzbot @ 2025-05-06  3:08 UTC (permalink / raw)
  To: jfs-discussion, linux-kernel, shaggy, syzkaller-bugs

Hello,

syzbot found the following issue on:

HEAD commit:    02ddfb981de8 Merge tag 'scsi-fixes' of git://git.kernel.or..
git tree:       upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=106abf74580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9dc42c34a3f5c357
dashboard link: https://syzkaller.appspot.com/bug?extid=ba5f49027aace342d24d
compiler:       Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=109589b3980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15ba1f74580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/5ca57f5a3f77/disk-02ddfb98.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/3f23cbc11e68/vmlinux-02ddfb98.xz
kernel image: https://storage.googleapis.com/syzbot-assets/73e63afac354/bzImage-02ddfb98.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/6ef4108d05dc/mount_2.gz
  fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=169bb02f980000)

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ba5f49027aace342d24d@syzkaller.appspotmail.com

bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
bn = 0, index = 0
=====================================================
BUG: KMSAN: uninit-value in BT_STACK_DUMP+0x5e5/0x600 fs/jfs/jfs_btree.h:136
 BT_STACK_DUMP+0x5e5/0x600 fs/jfs/jfs_btree.h:136
 dtSearch+0x393f/0x3d30 fs/jfs/jfs_dtree.c:774
 jfs_lookup+0x179/0x590 fs/jfs/namei.c:1461
 lookup_one_qstr_excl_raw+0x204/0x5b0 fs/namei.c:1689
 lookup_one_qstr_excl fs/namei.c:1711 [inline]
 do_unlinkat+0x2e3/0xe50 fs/namei.c:4631
 __do_sys_unlink fs/namei.c:4689 [inline]
 __se_sys_unlink fs/namei.c:4687 [inline]
 __x64_sys_unlink+0x71/0xb0 fs/namei.c:4687
 x64_sys_call+0x29de/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:88
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable nd created at:
 __filename_parentat+0x4c/0x990 fs/namei.c:2726
 filename_parentat fs/namei.c:2749 [inline]
 do_unlinkat+0xe3/0xe50 fs/namei.c:4618

CPU: 1 UID: 0 PID: 5791 Comm: syz-executor444 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
=====================================================


---
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#syz undup

^ permalink raw reply	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-09-23 20:59 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
     [not found] <20250506142010.802613-1-richard120310@gmail.com>
2025-05-06 15:38 ` [syzbot] [jfs?] KMSAN: uninit-value in BT_STACK_DUMP syzbot
     [not found] <CABPJ0vhxvUrsFsL7-q5UJeUOsy=gz4nUVJxCOLjBaPP5cB2hYA@mail.gmail.com>
2025-09-23 20:59 ` syzbot
     [not found] <20250506130020.798216-1-richard120310@gmail.com>
2025-05-06 13:31 ` syzbot
2025-05-06  3:08 syzbot

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