On Sat, Jun 22, 2019 at 09:43:42AM +1000, Nicholas Piggin wrote: > kernel test robot's on June 21, 2019 6:20 pm:
> > If you fix the issue, kindly add following tag > > Reported-by: kernel test robot <rong.a.c...@intel.com> > > > > > > [ 0.562433] BUG: kernel NULL pointer dereference, address: > > 0000000000000000 > > [ 0.562994] #PF: supervisor read access in kernel mode > > [ 0.562994] #PF: error_code(0x0000) - not-present page > > [ 0.562994] PGD 0 P4D 0 > > [ 0.562994] Oops: 0000 [#1] SMP PTI > > [ 0.562994] CPU: 0 PID: 1 Comm: swapper/0 Not tainted > > 5.2.0-rc5-00015-gc427534 #1 > > [ 0.562994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS > > 1.10.2-1 04/01/2014 > > [ 0.562994] RIP: 0010:housekeeping_verify_smp+0x2b/0x41 > > [ 0.562994] Code: 66 66 66 90 53 83 c8 ff 48 c7 c3 c0 e2 e3 84 48 89 de > > 89 c7 e8 94 d4 d7 fe 3b 05 22 77 b8 ff 73 13 89 c2 48 8b 0d db eb 28 00 > > <48> 0f a3 11 73 df 31 c0 5b c3 48 c7 c7 f0 0e 8d 84 e8 1b 84 3e fe > > [ 0.562994] RSP: 0000:ffffabda00327e18 EFLAGS: 00010293 > > [ 0.562994] RAX: 0000000000000000 RBX: ffffffff84e3e2c0 RCX: > > 0000000000000000 > > [ 0.562994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: > > ffffffff84e3e2c0 > > [ 0.562994] RBP: ffffffff852b7572 R08: 0000000000000044 R09: > > 0000000000000228 > > [ 0.562994] R10: 0000000000000000 R11: ffff892f4f817e10 R12: > > ffffffff854a0938 > > [ 0.562994] R13: 0000000000000002 R14: ffffffff852898d9 R15: > > 0000000000000000 > > [ 0.562994] FS: 0000000000000000(0000) GS:ffff892fa1e00000(0000) > > knlGS:0000000000000000 > > [ 0.562994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [ 0.562994] CR2: 0000000000000000 CR3: 000000001ec0a000 CR4: > > 00000000000406f0 > > [ 0.562994] Call Trace: > > [ 0.562994] do_one_initcall+0x46/0x214 > > [ 0.562994] kernel_init_freeable+0x1c7/0x272 > > [ 0.562994] ? rest_init+0xd0/0xd0 > > [ 0.562994] kernel_init+0xa/0x110 > > [ 0.562994] ret_from_fork+0x35/0x40 > > [ 0.562994] Modules linked in: > > [ 0.562994] CR2: 0000000000000000 > > [ 0.562994] ---[ end trace 1c0ad476e5b7f021 ]--- > > Oops, housekeeping_verify_smp needs to needs to check > housekeeping_overidden before testing housekeeping_mask. > > You want me to resend with a fix? That'd be great.
