./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3915771033 <...> Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. execve("./syz-executor3915771033", ["./syz-executor3915771033"], 0x7ffecaa47700 /* 10 vars */) = 0 brk(NULL) = 0x5555558af000 brk(0x5555558afc40) = 0x5555558afc40 arch_prctl(ARCH_SET_FS, 0x5555558af300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3915771033", 4096) = 28 brk(0x5555558d0c40) = 0x5555558d0c40 brk(0x5555558d1000) = 0x5555558d1000 mprotect(0x7f2ef5769000, 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: [ 59.324527][ T5080] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 59.336268][ T5080] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 59.344661][ T5080] CPU: 0 PID: 5080 Comm: syz-executor391 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 [ 59.354708][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 59.364756][ T5080] RIP: 0010:nl802154_trigger_scan+0x132/0xc90 [ 59.370834][ 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 [ 59.390432][ T5080] RSP: 0018:ffffc90003b7f568 EFLAGS: 00010247 [ 59.396496][ T5080] RAX: dffffc0000000000 RBX: ffffc90003b7f5d8 RCX: 0000000000000000 [ 59.404464][ T5080] RDX: 0000000000000000 RSI: ffffffff89cba971 RDI: 0000000000000004 [ 59.412428][ T5080] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 [ 59.420379][ T5080] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888021354c90 [ 59.428343][ T5080] R13: ffff8881473f4000 R14: ffff8881473f40a0 R15: ffffc90003b7f5f8 [ 59.436297][ T5080] FS: 00005555558af300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 59.445227][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.451794][ T5080] CR2: 00000000200001c8 CR3: 000000007f2d9000 CR4: 00000000003506f0 [ 59.459836][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.467789][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.475741][ T5080] Call Trace: [ 59.479007][ T5080] [ 59.481921][ T5080] genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 [ 59.488088][ T5080] ? genl_start+0x660/0x660 [ 59.492585][ T5080] ? ns_capable+0xe0/0x110 [ 59.496988][ T5080] genl_rcv_msg+0x4ff/0x7e0 [ 59.501484][ T5080] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 59.507799][ T5080] ? nl802154_wpan_phy_netns+0x2c0/0x2c0 [ 59.513416][ T5080] ? nl802154_set_tx_power+0x620/0x620 [ 59.518862][ T5080] ? nl802154_pre_doit+0xd60/0xd60 [ 59.523958][ T5080] netlink_rcv_skb+0x165/0x440 [ 59.528708][ T5080] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 59.535024][ T5080] ? netlink_ack+0x1360/0x1360 [ 59.539781][ T5080] genl_rcv+0x28/0x40 [ 59.543758][ T5080] netlink_unicast+0x547/0x7f0 [ 59.548517][ T5080] ? netlink_attachskb+0x890/0x890 [ 59.553617][ T5080] ? __virt_addr_valid+0x61/0x2e0 [ 59.558641][ T5080] ? __phys_addr_symbol+0x30/0x70 [ 59.563657][ T5080] ? __check_object_size+0x333/0x6e0 [ 59.568931][ T5080] netlink_sendmsg+0x925/0xe30 [ 59.573685][ T5080] ? netlink_unicast+0x7f0/0x7f0 [ 59.578639][ T5080] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.583911][ T5080] ? netlink_unicast+0x7f0/0x7f0 [ 59.588837][ T5080] sock_sendmsg+0xde/0x190 [ 59.593240][ T5080] ____sys_sendmsg+0x71c/0x900 [ 59.597989][ T5080] ? copy_msghdr_from_user+0xfc/0x150 [ 59.603352][ T5080] ? kernel_sendmsg+0x50/0x50 [ 59.608018][ T5080] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.614022][ T5080] ___sys_sendmsg+0x110/0x1b0 [ 59.618710][ T5080] ? do_recvmmsg+0x6e0/0x6e0 [ 59.623303][ T5080] ? lock_release+0x780/0x780 [ 59.627968][ T5080] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 59.633181][ T5080] ? do_raw_spin_lock+0x124/0x2b0 [ 59.638201][ T5080] ? spin_bug+0x1c0/0x1c0 [ 59.642521][ T5080] ? __fget_light+0x20a/0x270 [ 59.647191][ T5080] __sys_sendmsg+0xf7/0x1c0 [ 59.651689][ T5080] ? __sys_sendmsg_sock+0x40/0x40 [ 59.656723][ T5080] ? lockdep_hardirqs_on+0x7d/0x100 [ 59.661906][ T5080] ? _raw_spin_unlock_irq+0x2e/0x50 [ 59.667095][ T5080] ? ptrace_notify+0xfe/0x140 [ 59.671761][ T5080] do_syscall_64+0x39/0xb0 [ 59.676232][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.682219][ T5080] RIP: 0033:0x7f2ef56f6e69 [ 59.686626][ 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 [ 59.707363][ T5080] RSP: 002b:00007ffe95f4dc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.715759][ T5080] RAX: ffffffffffffffda RBX: 00007f2ef576f380 RCX: 00007f2ef56f6e69 [ 59.723715][ T5080] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 59.731678][ T5080] RBP: 0000000000000001 R08: 0000000000000000 R09: 001d00000000000c [ 59.739630][ T5080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 59.747583][ T5080] R13: 0000000000000003 R14: 00007ffe95f4dc87 R15: 00007ffe95f4dc8a [ 59.755542][ T5080] [ 59.758543][ T5080] Modules linked in: [ 59.762615][ T5080] ---[ end trace 0000000000000000 ]--- [ 59.768140][ T5080] RIP: 0010:nl802154_trigger_scan+0x132/0xc90 [ 59.774267][ 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 [ 59.794084][ T5080] RSP: 0018:ffffc90003b7f568 EFLAGS: 00010247 [ 59.800234][ T5080] RAX: dffffc0000000000 RBX: ffffc90003b7f5d8 RCX: 0000000000000000 [ 59.808263][ T5080] RDX: 0000000000000000 RSI: ffffffff89cba971 RDI: 0000000000000004 [ 59.816246][ T5080] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 [ 59.824400][ T5080] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888021354c90 [ 59.832409][ T5080] R13: ffff8881473f4000 R14: ffff8881473f40a0 R15: ffffc90003b7f5f8 [ 59.840394][ T5080] FS: 00005555558af300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 59.849338][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.855924][ T5080] CR2: 00007ffc4836cc18 CR3: 000000007f2d9000 CR4: 00000000003506e0 [ 59.864172][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.872173][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.880167][ T5080] Kernel panic - not syncing: Fatal exception [ 59.886402][ T5080] Kernel Offset: disabled [ 59.890842][ T5080] Rebooting in 86400 seconds..