On Fri, Jan 27, 2017 at 1:15 PM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: > stack backtrace: > CPU: 2 PID: 23111 Comm: syz-executor14 Not tainted 4.10.0-rc5+ #192 > Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 > Call Trace: > __dump_stack lib/dump_stack.c:15 [inline] > dump_stack+0x2ee/0x3ef lib/dump_stack.c:51 > lockdep_rcu_suspicious+0x139/0x180 kernel/locking/lockdep.c:4452 > rcu_preempt_sleep_check include/linux/rcupdate.h:560 [inline] > ___might_sleep+0x560/0x650 kernel/sched/core.c:7748 > __might_sleep+0x95/0x1a0 kernel/sched/core.c:7739 > mutex_lock_nested+0x24f/0x1730 kernel/locking/mutex.c:752 > atomic_dec_and_mutex_lock+0x119/0x160 kernel/locking/mutex.c:1060 > __static_key_slow_dec+0x7a/0x1e0 kernel/jump_label.c:149 > static_key_slow_dec+0x51/0x90 kernel/jump_label.c:174 > net_disable_timestamp+0x3b/0x50 net/core/dev.c:1728 > sock_disable_timestamp+0x98/0xc0 net/core/sock.c:403 > __sk_destruct+0x27d/0x6b0 net/core/sock.c:1441 > sk_destruct+0x47/0x80 net/core/sock.c:1460 jump label uses a mutex and we call jump label API in softIRQ context... Maybe we have to move it to a work struct as what we did for netlink. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
