do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 general protection fault: 0000 [#1] PREEMPT SMP KASAN RSP: 002b:00007f604b758188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e CPU: 0 PID: 21002 Comm: syz-executor.4 Not tainted 4.19.183-syzkaller #0 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 RIP: 0010:nla_len include/net/netlink.h:706 [inline] RIP: 0010:nla_parse_nested include/net/netlink.h:765 [inline] RIP: 0010:nl802154_add_llsec_key+0x1fa/0x580 net/ieee802154/nl802154.c:1565 RBP: 00007f604b7581d0 R08: 0000000000000000 R09: 0000000000000000 Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 3f 03 00 00 48 8b 93 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 cf R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 RSP: 0018:ffff8880970bf558 EFLAGS: 00010246 R13: 00007fff076b889f R14: 00007f604b758300 R15: 0000000000022000 RAX: dffffc0000000000 RBX: ffff8880b2bd1a40 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff87c5afa5 RDI: ffff8880b2bd1b68 RBP: 1ffff11012e17ead R08: 0000000000000001 R09: ffff8880970bf920 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8882386d8280 R13: ffff8880ab674fd0 R14: ffff8880b2bd1a40 R15: ffffffff89cf67c0 FS: 00007fea00db6700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3baca1248 CR3: 000000009c1f3000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fea00db6188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000040004 RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc33f6bccf R14: 00007fea00db6300 R15: 0000000000022000 Modules linked in: ---[ end trace 3e8e9e97e09fd6aa ]--- RIP: 0010:nla_len include/net/netlink.h:706 [inline] RIP: 0010:nla_parse_nested include/net/netlink.h:765 [inline] RIP: 0010:nl802154_add_llsec_key+0x1fa/0x580 net/ieee802154/nl802154.c:1565 Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 3f 03 00 00 48 8b 93 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 cf FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 RSP: 0018:ffff8880970bf558 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880b2bd1a40 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff87c5afa5 RDI: ffff8880b2bd1b68 CPU: 1 PID: 21023 Comm: syz-executor.1 Tainted: G D 4.19.183-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RBP: 1ffff11012e17ead R08: 0000000000000001 R09: ffff8880970bf920 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8882386d8280 R13: ffff8880ab674fd0 R14: ffff8880b2bd1a40 R15: ffffffff89cf67c0 FS: 00007fea00db6700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197 CR2: 00007fffff952c20 CR3: 000000009c1f3000 CR4: 00000000001406f0 alloc_pages include/linux/gfp.h:532 [inline] pte_alloc_one+0x16/0x190 arch/x86/mm/pgtable.c:35 __do_huge_pmd_anonymous_page mm/huge_memory.c:574 [inline] do_huge_pmd_anonymous_page+0xb76/0x1e60 mm/huge_memory.c:737 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 create_huge_pmd mm/memory.c:4025 [inline] __handle_mm_fault+0x289c/0x41c0 mm/memory.c:4229 handle_mm_fault+0x436/0xb10 mm/memory.c:4295 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:70 Code: 1f 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 1c 25 80 df 01 00 48 8b 9b 98 14 00 00 48 83 eb 03 48 39 d9 73 3c 0f 1f 00 <89> 01 31 c0 0f 1f 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 65 48 RSP: 0018:ffff88807508fe28 EFLAGS: 00010293 RAX: 0000000000000004 RBX: 00007fffffffeffd RCX: 0000000020000040 RDX: 0000000000000051 RSI: ffffffff866bf82b RDI: 0000000000000286 RBP: 0000000000000005 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 R13: 0000000000000005 R14: 0000000000000000 R15: dffffc0000000000 __sys_socketpair+0x107/0x570 net/socket.c:1391 __do_sys_socketpair net/socket.c:1457 [inline] __se_sys_socketpair net/socket.c:1454 [inline] __x64_sys_socketpair+0x93/0xf0 net/socket.c:1454 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f25f8bce188 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000026 RBP: 00007f25f8bce1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fffdf94edff R14: 00007f25f8bce300 R15: 0000000000022000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400