./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3869537090 <...> [ 39.885789][ T4646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.917430][ T4646] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 54.993905][ T26] kauditd_printk_skb: 37 callbacks suppressed [ 54.993922][ T26] audit: type=1400 audit(1677513639.480:73): avc: denied { transition } for pid=5035 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 55.023568][ T26] audit: type=1400 audit(1677513639.490:74): avc: denied { write } for pid=5035 comm="sh" path="pipe:[29401]" dev="pipefs" ino=29401 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts. execve("./syz-executor3869537090", ["./syz-executor3869537090"], 0x7ffc7d5fc610 /* 10 vars */) = 0 brk(NULL) = 0x555556c9b000 brk(0x555556c9bc40) = 0x555556c9bc40 arch_prctl(ARCH_SET_FS, 0x555556c9b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3869537090", 4096) = 28 brk(0x555556cbcc40) = 0x555556cbcc40 brk(0x555556cbd000) = 0x555556cbd000 mprotect(0x7f416cd11000, 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=5076}, "\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=5076}, {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=5076}, {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=5076}, {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=5076}, {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 [ 65.213714][ T26] audit: type=1400 audit(1677513649.700:75): avc: denied { execmem } for pid=5076 comm="syz-executor386" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 65.233425][ T26] audit: type=1400 audit(1677513649.700:76): avc: denied { create } for pid=5076 comm="syz-executor386" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 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=5076}, {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=5076}, {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=5076}, "\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=5076}, {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 [ 65.254802][ T26] audit: type=1400 audit(1677513649.700:77): avc: denied { create } for pid=5073 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 65.292064][ T26] audit: type=1400 audit(1677513649.700:78): avc: denied { write } for pid=5073 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 65.314608][ T26] audit: type=1400 audit(1677513649.700:79): avc: denied { nlmsg_read } for pid=5073 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 65.315278][ T5076] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 65.335927][ T26] audit: type=1400 audit(1677513649.710:80): avc: denied { read } for pid=5073 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 65.347529][ T5076] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 65.347546][ T5076] CPU: 1 PID: 5076 Comm: syz-executor386 Not tainted 6.2.0-syzkaller-12485-gf3a2439f20d9 #0 [ 65.368104][ T26] audit: type=1400 audit(1677513649.710:81): avc: denied { write } for pid=5076 comm="syz-executor386" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 65.376430][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 65.376444][ T5076] RIP: 0010:nl802154_trigger_scan+0x132/0xc90 [ 65.386610][ T26] audit: type=1400 audit(1677513649.710:82): avc: denied { read } for pid=5076 comm="syz-executor386" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 65.407127][ T5076] 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 [ 65.407150][ T5076] RSP: 0018:ffffc90003397568 EFLAGS: 00010247 [ 65.407169][ T5076] RAX: dffffc0000000000 RBX: ffffc900033975d8 RCX: 0000000000000000 [ 65.407183][ T5076] RDX: 0000000000000000 RSI: ffffffff89cec1a1 RDI: 0000000000000004 [ 65.407197][ T5076] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 [ 65.493544][ T5076] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888146fb4c90 [ 65.501604][ T5076] R13: ffff888146f82000 R14: ffff888146f820a0 R15: ffffc900033975f8 [ 65.509570][ T5076] FS: 0000555556c9b300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 65.518488][ T5076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.525057][ T5076] CR2: 000055be8d9c04f0 CR3: 0000000023513000 CR4: 00000000003506e0 [ 65.533018][ T5076] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.540973][ T5076] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.548947][ T5076] Call Trace: [ 65.552244][ T5076] [ 65.555210][ T5076] genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 [ 65.561364][ T5076] ? genl_start+0x660/0x660 [ 65.565856][ T5076] ? stack_trace_save+0x90/0xc0 [ 65.570697][ T5076] ? ns_capable+0xe0/0x110 [ 65.575108][ T5076] genl_rcv_msg+0x4ff/0x7e0 [ 65.579598][ T5076] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 65.585911][ T5076] ? nl802154_wpan_phy_netns+0x2c0/0x2c0 [ 65.591532][ T5076] ? nl802154_set_tx_power+0x620/0x620 [ 65.596981][ T5076] ? nl802154_pre_doit+0xd60/0xd60 [ 65.602098][ T5076] netlink_rcv_skb+0x165/0x440 [ 65.606850][ T5076] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 65.613193][ T5076] ? netlink_ack+0x1360/0x1360 [ 65.617944][ T5076] genl_rcv+0x28/0x40 [ 65.621911][ T5076] netlink_unicast+0x547/0x7f0 [ 65.626659][ T5076] ? netlink_attachskb+0x890/0x890 [ 65.631840][ T5076] netlink_sendmsg+0x925/0xe30 [ 65.636688][ T5076] ? netlink_unicast+0x7f0/0x7f0 [ 65.641615][ T5076] ? netlink_unicast+0x7f0/0x7f0 [ 65.646635][ T5076] sock_sendmsg+0xde/0x190 [ 65.651049][ T5076] ____sys_sendmsg+0x71c/0x900 [ 65.655803][ T5076] ? copy_msghdr_from_user+0xfc/0x150 [ 65.661187][ T5076] ? kernel_sendmsg+0x50/0x50 [ 65.665853][ T5076] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.671835][ T5076] ___sys_sendmsg+0x110/0x1b0 [ 65.676524][ T5076] ? do_recvmmsg+0x6e0/0x6e0 [ 65.681477][ T5076] ? lock_release+0x780/0x780 [ 65.686331][ T5076] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 65.691528][ T5076] ? do_raw_spin_lock+0x124/0x2b0 [ 65.696551][ T5076] ? spin_bug+0x1c0/0x1c0 [ 65.700879][ T5076] ? __fget_light+0x20a/0x270 [ 65.705552][ T5076] __sys_sendmsg+0xf7/0x1c0 [ 65.710052][ T5076] ? __sys_sendmsg_sock+0x40/0x40 [ 65.715067][ T5076] ? lockdep_hardirqs_on+0x7d/0x100 [ 65.720349][ T5076] ? _raw_spin_unlock_irq+0x2e/0x50 [ 65.725538][ T5076] ? ptrace_notify+0xfe/0x140 [ 65.730215][ T5076] do_syscall_64+0x39/0xb0 [ 65.734884][ T5076] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.740770][ T5076] RIP: 0033:0x7f416cc9ee69 [ 65.745183][ T5076] 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 [ 65.764780][ T5076] RSP: 002b:00007fff243fe498 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 65.773179][ T5076] RAX: ffffffffffffffda RBX: 00007f416cd17380 RCX: 00007f416cc9ee69 [ 65.781157][ T5076] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 65.789115][ T5076] RBP: 0000000000000001 R08: 0000000000000000 R09: 001d00000000000c [ 65.798040][ T5076] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 65.806008][ T5076] R13: 0000000000000003 R14: 00007fff243fe4b7 R15: 00007fff243fe4ba [ 65.813983][ T5076] [ 65.816996][ T5076] Modules linked in: [ 65.821596][ T5076] ---[ end trace 0000000000000000 ]--- [ 65.827192][ T5076] RIP: 0010:nl802154_trigger_scan+0x132/0xc90 [ 65.833322][ T5076] 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 [ 65.853043][ T5076] RSP: 0018:ffffc90003397568 EFLAGS: 00010247 [ 65.859108][ T5076] RAX: dffffc0000000000 RBX: ffffc900033975d8 RCX: 0000000000000000 [ 65.867122][ T5076] RDX: 0000000000000000 RSI: ffffffff89cec1a1 RDI: 0000000000000004 [ 65.875170][ T5076] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 [ 65.883196][ T5076] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888146fb4c90 [ 65.891187][ T5076] R13: ffff888146f82000 R14: ffff888146f820a0 R15: ffffc900033975f8 [ 65.899220][ T5076] FS: 0000555556c9b300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 65.908204][ T5076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.914848][ T5076] CR2: 000055be8d9c04f0 CR3: 0000000023513000 CR4: 00000000003506e0 [ 65.922997][ T5076] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.930988][ T5076] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.939044][ T5076] Kernel panic - not syncing: Fatal exception [ 65.945326][ T5076] Kernel Offset: disabled [ 65.949656][ T5076] Rebooting in 86400 seconds..