./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor412882176 <...> Warning: Permanently added '10.128.1.16' (ECDSA) to the list of known hosts. execve("./syz-executor412882176", ["./syz-executor412882176"], 0x7ffdcb73eb00 /* 10 vars */) = 0 brk(NULL) = 0x555555e8b000 brk(0x555555e8bc40) = 0x555555e8bc40 arch_prctl(ARCH_SET_FS, 0x555555e8b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor412882176", 4096) = 27 brk(0x555555eacc40) = 0x555555eacc40 brk(0x555555ead000) = 0x555555ead000 mprotect(0x7f865183d000, 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=5078}, "\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=5078}, {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=5078}, {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=5078}, {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=5078}, {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=5078}, {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=5078}, {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=5078}, "\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=5078}, {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 [ 61.214365][ T5078] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 61.226102][ T5078] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 61.234498][ T5078] CPU: 0 PID: 5078 Comm: syz-executor412 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0 [ 61.244566][ T5078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 61.254624][ T5078] RIP: 0010:nl802154_trigger_scan+0x132/0xc90 [ 61.260716][ T5078] 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 [ 61.281270][ T5078] RSP: 0018:ffffc90003c6f568 EFLAGS: 00010247 [ 61.287326][ T5078] RAX: dffffc0000000000 RBX: ffffc90003c6f5d8 RCX: 0000000000000000 [ 61.295283][ T5078] RDX: 0000000000000000 RSI: ffffffff89cba971 RDI: 0000000000000004 [ 61.303240][ T5078] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 [ 61.311285][ T5078] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888146f04c90 [ 61.319244][ T5078] R13: ffff888020950000 R14: ffff8880209500a0 R15: ffffc90003c6f5f8 [ 61.327202][ T5078] FS: 0000555555e8b300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.336137][ T5078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.342708][ T5078] CR2: 000055a50da74e00 CR3: 000000001802c000 CR4: 00000000003506f0 [ 61.350687][ T5078] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.358725][ T5078] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.366695][ T5078] Call Trace: [ 61.369970][ T5078] [ 61.372913][ T5078] genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 [ 61.379094][ T5078] ? genl_start+0x660/0x660 [ 61.383610][ T5078] ? ns_capable+0xe0/0x110 [ 61.388030][ T5078] genl_rcv_msg+0x4ff/0x7e0 [ 61.392790][ T5078] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 61.399374][ T5078] ? nl802154_wpan_phy_netns+0x2c0/0x2c0 [ 61.404994][ T5078] ? nl802154_set_tx_power+0x620/0x620 [ 61.410446][ T5078] ? nl802154_pre_doit+0xd60/0xd60 [ 61.415560][ T5078] netlink_rcv_skb+0x165/0x440 [ 61.420330][ T5078] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 61.426761][ T5078] ? netlink_ack+0x1360/0x1360 [ 61.431529][ T5078] genl_rcv+0x28/0x40 [ 61.435701][ T5078] netlink_unicast+0x547/0x7f0 [ 61.440571][ T5078] ? netlink_attachskb+0x890/0x890 [ 61.445675][ T5078] ? __virt_addr_valid+0x61/0x2e0 [ 61.450719][ T5078] ? __phys_addr_symbol+0x30/0x70 [ 61.455753][ T5078] ? __check_object_size+0x333/0x6e0 [ 61.461040][ T5078] netlink_sendmsg+0x925/0xe30 [ 61.465813][ T5078] ? netlink_unicast+0x7f0/0x7f0 [ 61.470758][ T5078] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 61.476052][ T5078] ? netlink_unicast+0x7f0/0x7f0 [ 61.480984][ T5078] sock_sendmsg+0xde/0x190 [ 61.485401][ T5078] ____sys_sendmsg+0x71c/0x900 [ 61.490163][ T5078] ? copy_msghdr_from_user+0xfc/0x150 [ 61.495554][ T5078] ? kernel_sendmsg+0x50/0x50 [ 61.500235][ T5078] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.506225][ T5078] ___sys_sendmsg+0x110/0x1b0 [ 61.510911][ T5078] ? do_recvmmsg+0x6e0/0x6e0 [ 61.515530][ T5078] ? lock_release+0x780/0x780 [ 61.520207][ T5078] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 61.525400][ T5078] ? do_raw_spin_lock+0x124/0x2b0 [ 61.530894][ T5078] ? spin_bug+0x1c0/0x1c0 [ 61.535230][ T5078] ? __fget_light+0x20a/0x270 [ 61.539908][ T5078] __sys_sendmsg+0xf7/0x1c0 [ 61.544434][ T5078] ? __sys_sendmsg_sock+0x40/0x40 [ 61.549466][ T5078] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.554661][ T5078] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.559862][ T5078] ? ptrace_notify+0xfe/0x140 [ 61.564545][ T5078] do_syscall_64+0x39/0xb0 [ 61.568981][ T5078] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.574879][ T5078] RIP: 0033:0x7f86517cae69 [ 61.579291][ T5078] 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 [ 61.598908][ T5078] RSP: 002b:00007ffe86c88ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.607312][ T5078] RAX: ffffffffffffffda RBX: 00007f8651843380 RCX: 00007f86517cae69 [ 61.615286][ T5078] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 61.623423][ T5078] RBP: 0000000000000001 R08: 0000000000000000 R09: 001d00000000000c [ 61.631381][ T5078] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 61.639353][ T5078] R13: 0000000000000003 R14: 00007ffe86c88ad7 R15: 00007ffe86c88ada [ 61.647314][ T5078] [ 61.650320][ T5078] Modules linked in: [ 61.654849][ T5078] ---[ end trace 0000000000000000 ]--- [ 61.660430][ T5078] RIP: 0010:nl802154_trigger_scan+0x132/0xc90 [ 61.666849][ T5078] 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 [ 61.686520][ T5078] RSP: 0018:ffffc90003c6f568 EFLAGS: 00010247 [ 61.692613][ T5078] RAX: dffffc0000000000 RBX: ffffc90003c6f5d8 RCX: 0000000000000000 [ 61.700632][ T5078] RDX: 0000000000000000 RSI: ffffffff89cba971 RDI: 0000000000000004 [ 61.708655][ T5078] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 [ 61.716667][ T5078] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888146f04c90 [ 61.724641][ T5078] R13: ffff888020950000 R14: ffff8880209500a0 R15: ffffc90003c6f5f8 [ 61.732651][ T5078] FS: 0000555555e8b300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.741896][ T5078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.748512][ T5078] CR2: 000055a50da74e00 CR3: 000000001802c000 CR4: 00000000003506f0 [ 61.756635][ T5078] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.764616][ T5078] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.772664][ T5078] Kernel panic - not syncing: Fatal exception [ 61.778950][ T5078] Kernel Offset: disabled [ 61.783270][ T5078] Rebooting in 86400 seconds..