Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 102442 pages reserved BUG: unable to handle kernel NULL pointer dereference at 00000000000008f4 PGD 8000000103f57067 P4D 8000000103f57067 PUD 1c11d1067 PMD 0 Oops: 0002 [#1] SMP PTI CPU: 0 PID: 9600 Comm: syz-executor0 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 RSP: 0018:ffff88001107f2f8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: fffffffffffffff4 RCX: 0000000000000fb0 RDX: 0000000000000fb0 RSI: 0000000000000000 RDI: 00000000000008f4 RBP: ffff88001107f308 R08: 0000000000000000 R09: 00000000000008f4 R10: 0000000000000000 R11: ffffffff81355350 R12: 00000000cce001f2 R13: 0000000000000000 R14: 0000000000000286 R15: fffffffffffffff4 FS: 00007f0838d98700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000008f4 CR3: 00000000135c4000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: kmsan_thread_create+0x4b/0x90 mm/kmsan/kmsan_hooks.c:30 __kthread_create_on_node+0x71b/0x810 kernel/kthread.c:345 kthread_create_on_node+0x23f/0x270 kernel/kthread.c:381 cryptomgr_schedule_probe crypto/algboss.c:192 [inline] cryptomgr_notify+0xe08/0x12a0 crypto/algboss.c:274 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 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 crypto_type_has_alg+0xb0/0x150 crypto/algapi.c:1053 crypto_has_ahash+0x98/0xb0 crypto/ahash.c:545 xfrm_probe_algs+0xa6/0x640 net/xfrm/xfrm_algo.c:787 pfkey_register+0x1de/0xc20 net/key/af_key.c:1720 pfkey_process net/key/af_key.c:2844 [inline] pfkey_sendmsg+0x1640/0x1a60 net/key/af_key.c:3683 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg net/socket.c:631 [inline] ___sys_sendmsg+0xe70/0x1290 net/socket.c:2114 __sys_sendmsg net/socket.c:2152 [inline] __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg+0x2a3/0x3d0 net/socket.c:2159 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2159 do_syscall_64+0xb8/0x100 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x457099 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0838d97c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0838d986d4 RCX: 0000000000457099 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d47e8 R14: 00000000004c8e6f R15: 0000000000000000 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) CR2: 00000000000008f4 ---[ end trace 766ee08f12708d95 ]--- 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:ffff88001107f2f8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: fffffffffffffff4 RCX: 0000000000000fb0 RDX: 0000000000000fb0 RSI: 0000000000000000 RDI: 00000000000008f4 RBP: ffff88001107f308 R08: 0000000000000000 R09: 00000000000008f4 R10: 0000000000000000 R11: ffffffff81355350 R12: 00000000cce001f2 R13: 0000000000000000 R14: 0000000000000286 R15: fffffffffffffff4 FS: 00007f0838d98700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000008f4 CR3: 00000000135c4000 CR4: 00000000001406f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600