./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2100319901 <...> Warning: Permanently added '10.128.1.152' (ECDSA) to the list of known hosts. execve("./syz-executor2100319901", ["./syz-executor2100319901"], 0x7fff0eef3e80 /* 10 vars */) = 0 brk(NULL) = 0x555556b2f000 brk(0x555556b2fc40) = 0x555556b2fc40 arch_prctl(ARCH_SET_FS, 0x555556b2f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2100319901", 4096) = 28 brk(0x555556b50c40) = 0x555556b50c40 brk(0x555556b51000) = 0x555556b51000 mprotect(0x7fb0c9ec7000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=784, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5080}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x2e\x00\x00\x00\x98\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 784 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5080}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 access("/proc/net", R_OK) = 0 access("/proc/net/unix", R_OK) = 0 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5080}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5080}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5080}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5080}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5080}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=784, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5080}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x2e\x00\x00\x00\x98\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 784 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5080}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(4) = 0 syzkaller login: [ 56.851477][ T5080] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 56.863249][ T5080] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 56.871668][ T5080] CPU: 0 PID: 5080 Comm: syz-executor210 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 [ 56.881734][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 56.891782][ T5080] RIP: 0010:nl802154_trigger_scan+0x132/0xc90 [ 56.897954][ T5080] Code: 48 c1 ea 03 80 3c 02 00 0f 85 3f 0a 00 00 48 8b ad f8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 04 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 d0 07 00 00 [ 56.917743][ T5080] RSP: 0018:ffffc90003b3f568 EFLAGS: 00010247 [ 56.923809][ T5080] RAX: dffffc0000000000 RBX: ffffc90003b3f5d8 RCX: 0000000000000000 [ 56.931872][ T5080] RDX: 0000000000000000 RSI: ffffffff89cba971 RDI: 0000000000000004 [ 56.940014][ T5080] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 [ 56.948092][ T5080] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880211e4c90 [ 56.956837][ T5080] R13: ffff888146c06000 R14: ffff888146c060a0 R15: ffffc90003b3f5f8 [ 56.964996][ T5080] FS: 0000555556b2f300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.974040][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.980800][ T5080] CR2: 00000000200001c8 CR3: 000000007d955000 CR4: 00000000003506f0 [ 56.988778][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.996747][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.005096][ T5080] Call Trace: [ 57.008476][ T5080] [ 57.011408][ T5080] genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 [ 57.017591][ T5080] ? genl_start+0x660/0x660 [ 57.022106][ T5080] ? ns_capable+0xe0/0x110 [ 57.026531][ T5080] genl_rcv_msg+0x4ff/0x7e0 [ 57.031056][ T5080] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 57.037394][ T5080] ? nl802154_wpan_phy_netns+0x2c0/0x2c0 [ 57.043296][ T5080] ? nl802154_set_tx_power+0x620/0x620 [ 57.048756][ T5080] ? nl802154_pre_doit+0xd60/0xd60 [ 57.053872][ T5080] netlink_rcv_skb+0x165/0x440 [ 57.058645][ T5080] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 57.064999][ T5080] ? netlink_ack+0x1360/0x1360 [ 57.069802][ T5080] genl_rcv+0x28/0x40 [ 57.074232][ T5080] netlink_unicast+0x547/0x7f0 [ 57.079034][ T5080] ? netlink_attachskb+0x890/0x890 [ 57.084176][ T5080] ? __virt_addr_valid+0x61/0x2e0 [ 57.089222][ T5080] ? __phys_addr_symbol+0x30/0x70 [ 57.094270][ T5080] ? __check_object_size+0x333/0x6e0 [ 57.099665][ T5080] netlink_sendmsg+0x925/0xe30 [ 57.104472][ T5080] ? netlink_unicast+0x7f0/0x7f0 [ 57.109435][ T5080] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 57.114728][ T5080] ? netlink_unicast+0x7f0/0x7f0 [ 57.119672][ T5080] sock_sendmsg+0xde/0x190 [ 57.124095][ T5080] ____sys_sendmsg+0x71c/0x900 [ 57.128866][ T5080] ? copy_msghdr_from_user+0xfc/0x150 [ 57.134423][ T5080] ? kernel_sendmsg+0x50/0x50 [ 57.139108][ T5080] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.145131][ T5080] ___sys_sendmsg+0x110/0x1b0 [ 57.149892][ T5080] ? do_recvmmsg+0x6e0/0x6e0 [ 57.154523][ T5080] ? lock_release+0x780/0x780 [ 57.159254][ T5080] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 57.164576][ T5080] ? do_raw_spin_lock+0x124/0x2b0 [ 57.169610][ T5080] ? spin_bug+0x1c0/0x1c0 [ 57.173942][ T5080] ? __fget_light+0x20a/0x270 [ 57.178648][ T5080] __sys_sendmsg+0xf7/0x1c0 [ 57.183179][ T5080] ? __sys_sendmsg_sock+0x40/0x40 [ 57.188225][ T5080] ? lockdep_hardirqs_on+0x7d/0x100 [ 57.193624][ T5080] ? _raw_spin_unlock_irq+0x2e/0x50 [ 57.198830][ T5080] ? ptrace_notify+0xfe/0x140 [ 57.204294][ T5080] do_syscall_64+0x39/0xb0 [ 57.208720][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.214616][ T5080] RIP: 0033:0x7fb0c9e54e69 [ 57.219051][ T5080] Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 57.239525][ T5080] RSP: 002b:00007ffda5bbdef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 57.247940][ T5080] RAX: ffffffffffffffda RBX: 00007fb0c9ecd380 RCX: 00007fb0c9e54e69 [ 57.255915][ T5080] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 57.264249][ T5080] RBP: 0000000000000001 R08: 0000000000000000 R09: 001d00000000000c [ 57.272239][ T5080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 57.280208][ T5080] R13: 0000000000000003 R14: 00007ffda5bbdf17 R15: 00007ffda5bbdf1a [ 57.288367][ T5080] [ 57.291381][ T5080] Modules linked in: [ 57.296212][ T5080] ---[ end trace 0000000000000000 ]--- [ 57.303995][ T5080] RIP: 0010:nl802154_trigger_scan+0x132/0xc90 [ 57.310411][ T5080] Code: 48 c1 ea 03 80 3c 02 00 0f 85 3f 0a 00 00 48 8b ad f8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 04 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 d0 07 00 00 [ 57.330560][ T5080] RSP: 0018:ffffc90003b3f568 EFLAGS: 00010247 [ 57.336677][ T5080] RAX: dffffc0000000000 RBX: ffffc90003b3f5d8 RCX: 0000000000000000 [ 57.345468][ T5080] RDX: 0000000000000000 RSI: ffffffff89cba971 RDI: 0000000000000004 [ 57.353630][ T5080] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 [ 57.361753][ T5080] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880211e4c90 [ 57.369877][ T5080] R13: ffff888146c06000 R14: ffff888146c060a0 R15: ffffc90003b3f5f8 [ 57.378066][ T5080] FS: 0000555556b2f300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.387225][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.393828][ T5080] CR2: 00000000200001c8 CR3: 000000007d955000 CR4: 00000000003506f0 [ 57.401998][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.410167][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.418408][ T5080] Kernel panic - not syncing: Fatal exception [ 57.429239][ T5080] Kernel Offset: disabled [ 57.433882][ T5080] Rebooting in 86400 seconds..