syzbot
WARNING: lock held when returning to user space in afs_proc_addr_prefs_write
Status:
fixed on 2025/05/06 15:33
Subsystems:
afs
[Documentation on labels]
Reported-by: syzbot+76f33569875eb708e575@syzkaller.appspotmail.com
Fix commit:
17a4fde81d3a
afs: Fix merge preference rule failure condition
First crash: 580d, last: 569d
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Last patch testing requests (3)
Sample crash report:
netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
kafs: addr_prefs: Too many elements in string
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WARNING: lock held when returning to user space!
6.13.0-rc3-syzkaller-00209-g499551201b5f #0 Not tainted
------------------------------------------------
syz-executor133/5823 is leaving the kernel with locks still held!
1 lock held by syz-executor133/5823:
#0: ffff888071cffc00 (&sb->s_type->i_mutex_key#9){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#0: ffff888071cffc00 (&sb->s_type->i_mutex_key#9){++++}-{4:4}, at: afs_proc_addr_prefs_write+0x2bb/0x14e0 fs/afs/addr_prefs.c:388
Struck through repros no longer work on HEAD.