117*16kB 1965969 pages RAM 0 pages HighMem/MovableOnly (M) 107595 pages reserved BUG: unable to handle kernel NULL pointer dereference at 00000000000008f4 47*32kB PGD 80000000856c6067 P4D 80000000856c6067 PUD a22b0067 PMD 0 Oops: 0002 [#1] SMP PTI CPU: 1 PID: 806 Comm: kworker/1:1 Not tainted 4.18.0-rc4+ #27 (M) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: (null) (events_power_efficient) 17*64kB RIP: 0010:memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:65 Code: c1 e9 03 40 (UME) 0f b6 f6 48 b8 01 01 01 01 01 01 6*128kB 01 01 48 0f af c6 f3 48 ab 89 (UME) d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 aa 4c 89 c8 c3 90 13*256kB 49 89 fa 40 0f b6 ce 48 b8 01 (ME) 01 01 01 01 01 RSP: 0000:ffff8801d0abfa18 EFLAGS: 00010046 RAX: 0000000000000000 RBX: fffffffffffffff4 RCX: 0000000000000fb0 9*512kB RDX: 0000000000000fb0 RSI: 0000000000000000 RDI: 00000000000008f4 RBP: ffff8801d0abfa28 R08: 0000000000000000 R09: 00000000000008f4 R10: 0000000000000000 R11: ffffffff81363150 R12: ffff8801d12fe180 R13: 0000000000000000 R14: 0000000000000292 R15: fffffffffffffff4 FS: 0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 (UM) CR2: 00000000000000b0 CR3: 00000000864a8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 5*1024kB kmsan_thread_create+0x58/0xb0 mm/kmsan/kmsan_hooks.c:30 __kthread_create_on_node+0x6e5/0x7f0 kernel/kthread.c:339 kthread_create_on_node+0x278/0x2c0 kernel/kthread.c:375 (UME) create_worker+0x7a0/0x1040 kernel/workqueue.c:1813 9*2048kB maybe_create_worker kernel/workqueue.c:1972 [inline] manage_workers kernel/workqueue.c:2024 [inline] worker_thread+0x876/0x2490 kernel/workqueue.c:2268 kthread+0x473/0x4b0 kernel/kthread.c:247 (UME) ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:415 1*4096kB Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) CR2: 00000000000008f4 (M) ---[ end trace ada2f2bfbd444bb8 ]--- RIP: 0010:memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:65 Code: = 43652kB c1 e9 03 40 0f b6 f6 48 b8 01 Node 0 01 01 01 01 01 01 01 48 0f af Normal: c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 703*4kB 90 49 89 f9 40 88 f0 48 89 d1 (UME) aa 4c 89 c8 c3 90 49 89 fa 40 617*8kB 0f b6 ce 48 b8 01 01 01 01 01 01 (UMEH) RSP: 0000:ffff8801d0abfa18 EFLAGS: 00010046 RAX: 0000000000000000 RBX: fffffffffffffff4 RCX: 0000000000000fb0 RDX: 0000000000000fb0 RSI: 0000000000000000 RDI: 00000000000008f4 RBP: ffff8801d0abfa28 R08: 0000000000000000 R09: 00000000000008f4 R10: 0000000000000000 R11: ffffffff81363150 R12: ffff8801d12fe180 442*16kB R13: 0000000000000000 R14: 0000000000000292 R15: fffffffffffffff4 FS: 0000000000000000(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000b0 CR3: 00000000864a8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 (UME) DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400