Re: [Bugme-new] [Bug 6274] New: audit_log_exit calls sleeping function in invalid context

http://bugzilla.kernel.org/show_bug.cgi?id=6274 Summary: audit_log_exit calls sleeping function in invalid context Kernel Version: 2.6.16 Status: NEW Severity: normal Owner: process_other(a)kernel-bugs.osdl.org Submitter: vladimir.kondratiev(a)intel.com Most recent kernel where this bug did not occur: did not tested this in earlier kernels Distribution: Fedora Core 5 Hardware Environment: Software Environment: Vanilla 2.6.16 kernel [root@vkondra-mobl ~]# cat /proc/version Linux version 2.6.16 (root@vkondra-mobl) (gcc version 4.1.0 20060304 (Red Hat 4.1.0-3)) #1 PREEMPT Mon Mar 20 13:43:30 IST 2006 Problem Description: sleeping function called in invalid context. Steps to reproduce: Enable audit rule to track all "exit" syscalls: auditctl -a exit,always -S exit run anything, 'ls' is OK. This will trigger the following error: Mar 23 16:15:10 vkondra-mobl kernel: Debug: sleeping function called from invalid context at include/linux/rwsem.h:43 Mar 23 16:15:10 vkondra-mobl kernel: in_atomic():1, irqs_disabled():0 Mar 23 16:15:10 vkondra-mobl kernel: [<c0104084>] show_trace+0xd/0xf Mar 23 16:15:10 vkondra-mobl kernel: [<c01040d0>] dump_stack+0x17/0x19 Mar 23 16:15:10 vkondra-mobl kernel: [<c0114685>] __might_sleep+0x86/0x90 Mar 23 16:15:10 vkondra-mobl kernel: [<c01345e5>] audit_log_exit+0x136/0x36b Mar 23 16:15:10 vkondra-mobl kernel: [<c013560a>] audit_free+0x101/0x20e Mar 23 16:15:10 vkondra-mobl kernel: [<c0117368>] __put_task_struct_cb+0x8f/0xdc Mar 23 16:15:10 vkondra-mobl kernel: [<c012624d>] __rcu_process_callbacks+0xf6/0x14b Mar 23 16:15:10 vkondra-mobl kernel: [<c01262b4>] rcu_process_callbacks+0x12/0x23 Mar 23 16:15:10 vkondra-mobl kernel: [<c011c5c8>] tasklet_action+0x3a/0x60 Mar 23 16:15:10 vkondra-mobl kernel: [<c011c513>] __do_softirq+0x43/0x8f Mar 23 16:15:10 vkondra-mobl kernel: [<c011c589>] do_softirq+0x2a/0x2f Mar 23 16:15:10 vkondra-mobl kernel: [<c011c662>] irq_exit+0x30/0x3c Mar 23 16:15:10 vkondra-mobl kernel: [<c0104c02>] do_IRQ+0x4a/0x58 Mar 23 16:15:10 vkondra-mobl kernel: [<c01036fe>] common_interrupt+0x1a/0x20 Mar 23 16:15:10 vkondra-mobl kernel: [<c014d41a>] cache_alloc_debugcheck_after+0x25/0xf4 Mar 23 16:15:10 vkondra-mobl kernel: [<c014d565>] kmem_cache_alloc+0x7c/0x88 Mar 23 16:15:10 vkondra-mobl kernel: [<c0239690>] __alloc_skb+0x29/0xf4 Mar 23 16:15:10 vkondra-mobl kernel: [<c02366f3>] sock_alloc_send_skb+0x62/0x19a Mar 23 16:15:10 vkondra-mobl kernel: [<c028afed>] unix_stream_sendmsg+0x131/0x2fd Mar 23 16:15:10 vkondra-mobl kernel: [<c023415d>] do_sock_write+0xb5/0xbe Mar 23 16:15:10 vkondra-mobl kernel: [<c0234f84>] sock_aio_write+0x56/0x64 Mar 23 16:15:10 vkondra-mobl kernel: [<c0150684>] do_sync_write+0xb1/0xe6 Mar 23 16:15:10 vkondra-mobl kernel: [<c0150f41>] vfs_write+0xbc/0x154 Mar 23 16:15:10 vkondra-mobl kernel: [<c01514a5>] sys_write+0x3b/0x60 Mar 23 16:15:10 vkondra-mobl kernel: [<c0102cb9>] syscall_call+0x7/0xb