syzbot
WARNING: lock held when returning to user space in rtnl_link_ops_get
Status: fixed on 2025/05/07 15:33
Subsystems:
net
[Documentation on labels]
Fix commit:
9b234a97b10c
rtnetlink: fix rtnl_dump_ifinfo() error path
First crash: 631d, last: 624d
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Last patch testing requests (1)
Sample crash report:
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WARNING: lock held when returning to user space!
6.12.0-rc7-syzkaller-01681-g38f83a57aa8e #0 Not tainted
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syz-executor399/5841 is leaving the kernel with locks still held!
1 lock held by syz-executor399/5841:
#0: ffffffff8f46c2a0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8f46c2a0 (&ops->srcu#2){.+.+}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8f46c2a0 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x22/0x250 net/core/rtnetlink.c:555
Struck through repros no longer work on HEAD.