[xfrm_user] BUG: sleeping function called from invalid context
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From: Luca Tettamanti on 12 Aug 2010 09:00 Hello, I just noticed this message in my log (I'm not sure what charon was doing at the time...): BUG: sleeping function called from invalid context at /home/kronos/src/linux-2.6.git/mm/slub.c:1701 in_atomic(): 1, irqs_disabled(): 0, pid: 10411, name: charon Pid: 10411, comm: charon Not tainted 2.6.35 #271 Call Trace: [<ffffffff810275d7>] __might_sleep+0xf8/0xfa [<ffffffff810a99be>] kmem_cache_alloc+0x35/0x9d [<ffffffff81265c8e>] xfrm_policy_alloc+0x20/0xa1 [<ffffffffa0372d73>] xfrm_compile_policy+0x112/0x16f [xfrm_user] [<ffffffff812686e4>] xfrm_user_policy+0xb8/0x131 [<ffffffff81233b5b>] do_ip_setsockopt+0xa83/0xb2e [<ffffffff8102c0ce>] ? get_parent_ip+0x11/0x41 [<ffffffff81080838>] ? unlock_page+0x22/0x27 [<ffffffff810935c3>] ? __do_fault+0x4d4/0x50c [<ffffffff8109497d>] ? handle_mm_fault+0x45d/0x8a4 [<ffffffff810afbef>] ? get_empty_filp+0x79/0x15a [<ffffffff8102c0e5>] ? get_parent_ip+0x28/0x41 [<ffffffff8102c0e5>] ? get_parent_ip+0x28/0x41 [<ffffffff81283385>] ? sub_preempt_count+0x92/0xa6 [<ffffffff812832b6>] ? do_page_fault+0x3d5/0x412 [<ffffffff8125522e>] ? inet_bind+0x1cc/0x1dc [<ffffffff81233cc2>] ip_setsockopt+0x23/0x82 [<ffffffff810acfbf>] ? fd_install+0x54/0x5d [<ffffffff8124d175>] udp_setsockopt+0x24/0x26 [<ffffffff811fd5c5>] sock_common_setsockopt+0xf/0x11 [<ffffffff811fb0a8>] sys_setsockopt+0x81/0xa2 [<ffffffff8100296b>] system_call_fastpath+0x16/0x1b xfrm_user_policy takes read_lock(&xfrm_km_lock) before calling xfrm_compile_policy (via km->compile_policy), which in turn calls xfrm_policy_alloc with GFP_KERNEL. Luca -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |