On 09/28/2016 01:37 PM, Kirill Tkhai wrote: > Supress stack printing on loading vzvirtio_balloon module. > It's out of tree and unsigned: > > Hardware name: Virtuozzo KVM, BIOS seabios-1.7.5-11.vz7.3 04/01/2014 > ffffc900003d4748 0000000095120796 ffff88007accfcf8 ffffffff81632398 > ffff88007accfd10 ffffffff8107b0e1 ffff88007accfef0 ffff88007accfd88 > ffffffff810fcc4e 0000000000000000 0000000000000000 0000000000000000 > Call Trace: > [<ffffffff81632398>] dump_stack+0x19/0x1b > [<ffffffff8107b0e1>] add_taint+0x51/0x60 > [<ffffffff810fcc4e>] layout_and_allocate+0xa8e/0xcc0 > [<ffffffff810fcf52>] load_module+0xd2/0x1b60 > [<ffffffff811f9495>] ? vfs_read+0xf5/0x170 > [<ffffffff811ff720>] ? kernel_read+0x50/0x80 > [<ffffffff810fa19b>] ? copy_module_from_fd.isra.44+0x5b/0x150 > [<ffffffff810feb86>] SyS_finit_module+0xa6/0xd0 > [<ffffffff81642cc9>] system_call_fastpath+0x16/0x1b > vzvirtio_balloon: module verification failed: signature and/or required key > missing - tainting kernel > > https://jira.sw.ru/browse/PSBM-52719 > > Signed-off-by: Kirill Tkhai <ktk...@virtuozzo.com>
Reviewed-by: Andrey Ryabinin <aryabi...@virtuozzo.com> > --- > kernel/panic.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/kernel/panic.c b/kernel/panic.c > index 239a05e..082a400 100644 > --- a/kernel/panic.c > +++ b/kernel/panic.c > @@ -296,7 +296,8 @@ void add_taint(unsigned flag, enum lockdep_ok lockdep_ok) > "Disabling lock debugging due to kernel taint\n"); > > /* Do not confuse people with calltraces on proprietary modules */ > - if (flag != TAINT_PROPRIETARY_MODULE) { > + if (flag != TAINT_PROPRIETARY_MODULE && flag != TAINT_OOT_MODULE && > + flag != TAINT_UNSIGNED_MODULE) { > printk(KERN_WARNING "Tainting kernel with flag 0x%x\n", flag); > dump_stack(); > } > _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel