Comm: insmod Tainted

某思，kernel 4.4 报 Tainted 错误。


[ 5188.608302] ------------[ cut here ]------------
[ 5188.608360] WARNING: CPU: 1 PID: 10602 at kernel/module.c:1105 module_put+0x78/0x13c()
[ 5188.608373] Modules linked in: getshell(O) ...
[ 5188.609581] CPU: 1 PID: 10602 Comm: insmod Tainted: P W O 4.4.197 #1
[ 5188.609597] Hardware name: Hisilicon A9
[ 5188.609649] [<c0012d3c>] (rtos_unwind_backtrace) from [<c000e518>] (show_stack+0x10/0x14)
[ 5188.609686] [<c000e518>] (show_stack) from [<c023cd20>] (dump_stack+0x88/0xa8)
[ 5188.609753] [<c023cd20>] (dump_stack) from [<c001fa6c>] (warn_slowpath_common+0x84/0xb0)
[ 5188.609800] [<c001fa6c>] (warn_slowpath_common) from [<c001fb80>] (warn_slowpath_null+0x18/0x20)
[ 5188.609862] [<c001fb80>] (warn_slowpath_null) from [<c0094140>] (module_put+0x78/0x13c)
[ 5188.609923] [<c0094140>] (module_put) from [<c00d5ae4>] (do_init_module+0xd0/0x1e4)
[ 5188.609952] [<c00d5ae4>] (do_init_module) from [<c0097648>] (load_module+0x1bc8/0x1c78)
[ 5188.610003] [<c0097648>] (load_module) from [<c00978f0>] (SyS_finit_module+0x70/0x94)
[ 5188.610035] [<c00978f0>] (SyS_finit_module) from [<c000abc0>] (ret_fast_syscall+0x0/0x40)
[ 5188.610053] ---[ end trace f735e4a442d6e307 ]---