2.6.35-rc4 - include/linux/fdtable.h:85 invoked rcu_dereference_check() without protection!
in [Kernel]
|
Prev: [PATCH v2] panasonic-laptop: fix acpi_pcc_write_sset return value
Next: [tip:x86/fpu] x86: Avoid unnecessary __clear_user() and xrstor in signal handling
From: Miles Lane on 6 Jul 2010 20:30 [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- include/linux/fdtable.h:85 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 1 no locks held by compiz/4286. stack backtrace: Pid: 4286, comm: compiz Not tainted 2.6.35-rc4 #6 Call Trace: [<ffffffff8106714e>] lockdep_rcu_dereference+0x9d/0xa6 [<ffffffff810d3bdd>] fcheck_files+0x5c/0xca [<ffffffff810d3ca3>] fget_light+0x35/0x96 [<ffffffff810e1b02>] do_sys_poll+0x1ff/0x3e5 [<ffffffff810e1316>] ? __pollwait+0x0/0xc7 [<ffffffff810e13dd>] ? pollwake+0x0/0x4f [<ffffffff8125b785>] ? __sock_sendmsg+0x66/0x72 [<ffffffff8125da9e>] ? sock_aio_write+0x0/0xf6 [<ffffffff8125db7f>] ? sock_aio_write+0xe1/0xf6 [<ffffffff810d295f>] ? do_sync_readv_writev+0xbc/0xfb [<ffffffff810d284f>] ? fsnotify_modify+0x67/0x6f [<ffffffff810d35eb>] ? do_readv_writev+0x109/0x122 [<ffffffff81009cba>] ? sysret_check+0x2e/0x69 [<ffffffff810e1e7c>] sys_poll+0x50/0xba [<ffffffff81009c82>] system_call_fastpath+0x16/0x1b =============================================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- include/linux/fdtable.h:88 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 1 no locks held by gnome-panel/4293. stack backtrace: Pid: 4293, comm: gnome-panel Not tainted 2.6.35-rc4 #6 Call Trace: [<ffffffff8106714e>] lockdep_rcu_dereference+0x9d/0xa6 [<ffffffff810d3c32>] fcheck_files+0xb1/0xca [<ffffffff810ab263>] ? might_fault+0x63/0xb3 [<ffffffff810d3ca3>] fget_light+0x35/0x96 [<ffffffff810e1b02>] do_sys_poll+0x1ff/0x3e5 [<ffffffff810e1316>] ? __pollwait+0x0/0xc7 [<ffffffff8125a2ae>] ? __sock_recvmsg_nosec+0x65/0x6e [<ffffffff8125b7da>] ? __sock_recvmsg+0x49/0x54 [<ffffffff8125da8a>] ? sock_aio_read+0xe8/0xfc [<ffffffff810d2b67>] ? do_sync_read+0xc6/0x103 [<ffffffff81009cba>] ? sysret_check+0x2e/0x69 [<ffffffff810e1e7c>] sys_poll+0x50/0xba [<ffffffff81009c82>] system_call_fastpath+0x16/0x1b -- 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/ |