7259 7259 Node 0 DMA32 free:50752kB min:26324kB low:32904kB high:39484kB active_anon:818312kB inactive_anon:108kB active_file:148kB inactive_file:4080kB unevictable:0kB writepending:32kB present:3129292kB managed:2906052kB mlocked:0kB kernel_stack:35584kB pagetables:29540kB bounce:0kB free_pcp:316kB local_pcp:36kB free_cma:0kB lowmem_reserve[]: 0 0 4425 4425 Node 0 Normal free:48272kB min:41112kB low:51388kB high:61664kB active_anon:512324kB inactive_anon:748kB active_file:20944kB inactive_file:28624kB unevictable:0kB writepending:200kB present:4718592kB managed:4532152kB mlocked:0kB kernel_stack:24512kB pagetables:19708kB bounce:0kB free_pcp:1088kB local_pcp:592kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 BUG: unable to handle kernel NULL pointer dereference at 00000000000008f4 Node 0 PGD 8000000128d01067 P4D 8000000128d01067 PUD 128d04067 PMD 0 Oops: 0002 [#1] SMP PTI CPU: 0 PID: 11096 Comm: cryptomgr_probe Not tainted 4.19.0-rc1+ #40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:65 Code: c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 DMA: RSP: 0018:ffff88000e19f788 EFLAGS: 00010046 RAX: 0000000000000000 RBX: fffffffffffffff4 RCX: 0000000000000fb0 RDX: 0000000000000fb0 RSI: 0000000000000000 RDI: 00000000000008f4 RBP: ffff88000e19f798 R08: ffff880011895ac0 R09: 00000000000008f4 R10: 0000000000000000 R11: 0000000080400028 R12: 00000000a540010a 0*4kB R13: 0000000000000000 R14: 0000000000000282 R15: fffffffffffffff4 FS: 0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000008f4 CR3: 00000001284a6000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 0*8kB DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmsan_thread_create+0x4b/0x90 mm/kmsan/kmsan_hooks.c:30 __kthread_create_on_node+0x71b/0x810 kernel/kthread.c:345 0*16kB kthread_create_on_node+0x23f/0x270 kernel/kthread.c:381 1*32kB cryptomgr_schedule_probe crypto/algboss.c:192 [inline] cryptomgr_notify+0xe08/0x12a0 crypto/algboss.c:274 (U) notifier_call_chain kernel/notifier.c:93 [inline] __blocking_notifier_call_chain kernel/notifier.c:317 [inline] blocking_notifier_call_chain+0x1a6/0x2f0 kernel/notifier.c:328 2*64kB crypto_probing_notify crypto/api.c:254 [inline] crypto_alg_mod_lookup+0xbd9/0x1290 crypto/api.c:284 crypto_find_alg+0x20c/0x280 crypto/api.c:504 (U) crypto_grab_spawn+0xf9/0x510 crypto/algapi.c:640 crypto_grab_skcipher+0xd9/0x100 crypto/skcipher.c:941 create+0x643/0x12a0 crypto/xts.c:442 1*128kB cryptomgr_probe+0x142/0x4b0 crypto/algboss.c:75 kthread+0x465/0x4a0 kernel/kthread.c:247 (U) ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:416 1*256kB Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) CR2: 00000000000008f4 (U) ---[ end trace 795a4992d8424e64 ]--- RIP: 0010:memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:65 Code: c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 RSP: 0018:ffff88000e19f788 EFLAGS: 00010046 0*512kB RAX: 0000000000000000 RBX: fffffffffffffff4 RCX: 0000000000000fb0 RDX: 0000000000000fb0 RSI: 0000000000000000 RDI: 00000000000008f4 RBP: ffff88000e19f798 R08: ffff880011895ac0 R09: 00000000000008f4 R10: 0000000000000000 R11: 0000000080400028 R12: 00000000a540010a R13: 0000000000000000 R14: 0000000000000282 R15: fffffffffffffff4 FS: 0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 1*1024kB CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000008f4 CR3: 00000001284a6000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400