login: kernel: double fault trap, code=0 Stopped at _isitmyx+0x2e: callq __sanitizer_cov_trace_pc+0x4 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace _isitmyx(fffffd8002c83ec0,fffffd8002c83380,1,ffffffff823d5565) at _isitmyx+0x2e sys/kern/subr_witness.c:1643 witness_checkorder(ffffffff828de2a8,9,0) at witness_checkorder+0x681 isitmychild sys/kern/subr_witness.c:1682 [inline] witness_checkorder(ffffffff828de2a8,9,0) at witness_checkorder+0x681 witness_lock_order_check sys/kern/subr_witness.c:2430 [inline] witness_checkorder(ffffffff828de2a8,9,0) at witness_checkorder+0x681 sys/kern/subr_witness.c:873 mtx_enter(ffffffff828de298) at mtx_enter+0x3a sys/kern/kern_lock.c:265 pool_get(ffffffff828de298,2) at pool_get+0xbf sys/kern/subr_pool.c:578 ip_ours(ffff8000214d7358,ffff8000214d7364,ffff8000220e4000,0) at ip_ours+0x431 sys/netinet/ip_input.c:537 ip_input_if(ffff8000214d7358,ffff8000214d7364,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd806ab8fa00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806ab8fa00,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd80726db800,fffffd806f644c10,fffffd8072335150,ffff8000214d74a8) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd80726db800,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd80726db800,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd80726db800,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd80726db800,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd806f3c1e00,fffffd806f3c1ee0,0,14,fffffd806f3c1ef4) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d7b48,ffff8000214d7b54,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d7b48,ffff8000214d7b54,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d7b48,ffff8000214d7b54,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d7b48,ffff8000214d7b54,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd806ab87000) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806ab87000,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd80723f4800,fffffd806f644c10,fffffd8072335150,ffff8000214d7c98) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd80723f4800,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd80723f4800,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806951d600,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd806951d600,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd80726db800,fffffd80726db8ac,0,14,fffffd80726db8c0) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d8338,ffff8000214d8344,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d8338,ffff8000214d8344,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d8338,ffff8000214d8344,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d8338,ffff8000214d8344,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd806951d800) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806951d800,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd806f3c1100,fffffd806f644c10,fffffd8072335150,ffff8000214d8488) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd806f3c1100,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd806f3c1100,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806ab8f400,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd806ab8f400,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd806951d600,fffffd806951d6e0,0,14,fffffd806951d6f4) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d8b28,ffff8000214d8b34,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d8b28,ffff8000214d8b34,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d8b28,ffff8000214d8b34,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d8b28,ffff8000214d8b34,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd806ab87b00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806ab87b00,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd8069522400,fffffd806f644c10,fffffd8072335150,ffff8000214d8c78) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8069522400,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8069522400,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806ab87200,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd807f00e700,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd806ab8f400,fffffd806ab8f4ac,0,14,fffffd806ab8f4c0) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d9318,ffff8000214d9324,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d9318,ffff8000214d9324,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d9318,ffff8000214d9324,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d9318,ffff8000214d9324,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd8069521100) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd8069521100,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd8069520f00,fffffd806f644c10,fffffd8072335150,ffff8000214d9468) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8069520f00,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8069520f00,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd807f00e200,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd807f00e200,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd807f00e700,fffffd8065550060,0,14,fffffd8065550074) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d9b08,ffff8000214d9b14,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d9b08,ffff8000214d9b14,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d9b08,ffff8000214d9b14,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d9b08,ffff8000214d9b14,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd8072965800) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd8072965800,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd806ab87700,fffffd806f644c10,fffffd8072335150,ffff8000214d9c58) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd806ab87700,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd806ab87700,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806951f500,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd806951f500,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 sosend(fffffd806a6db4e0,0,ffff8000214d9f80,0,0,0) at sosend+0x601 sys/kern/uipc_socket.c:556 sendit(ffff8000220e2ee8,0,ffff8000214da060,0,ffff8000214da140) at sendit+0x5f1 sys/kern/uipc_syscalls.c:657 sys_sendto(ffff8000220e2ee8,ffff8000214da0f8,ffff8000214da140) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff8000214da1c0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000214da1c0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc574b499940, count: -82 ddb{1}> show registers rdi 0xfffffd8002c83ec0 rsi 0xfffffd8002c83380 rbp 0xffff8000214d7050 rbx 0xfffffd8002c83ec0 rdx 0x1 rcx 0xffffffff823d5565 cmd0646_9_tim_udma+0x42313 rax 0xffff8000220e2ee8 r8 0xfffffd806ab8fabc r9 0xffffffff8187134e ip_input_if+0x63e r10 0x5 r11 0x67e6cc2a3f2b33b4 r12 0xfffffd8002c83ec0 r13 0xfffffd8002c83380 r14 0xffffffff823d5565 cmd0646_9_tim_udma+0x42313 r15 0x1 rip 0xffffffff81c109be _isitmyx+0x2e cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff8000214d6fd0 ss 0x10 _isitmyx+0x2e: callq __sanitizer_cov_trace_pc+0x4 ddb{1}> show proc PROC (syz-executor.0) pid=326369 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff8000220e3160,0xffff8000220e2790 process=0xffff8000222e53b0 user=0xffff8000214d5000, vmspace=0xfffffd807efffa10 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82551 288477 94985 32767 2 0x10 syz-executor.0 *82551 326369 94985 32767 7 0x4000010 syz-executor.0 82551 231799 94985 32767 2 0x4000010 syz-executor.0 94985 225335 73839 32767 3 0x90 nanosleep syz-executor.0 73839 435992 68530 0 3 0x82 wait syz-executor.0 60771 145396 71756 32767 3 0x90 piperd syz-executor.1 71756 125273 68530 0 3 0x82 wait syz-executor.1 75447 58964 0 0 3 0x14200 bored sosplice 68530 451057 62073 0 3 0x82 thrsleep syz-fuzzer 68530 445927 62073 0 3 0x4000082 nanosleep syz-fuzzer 68530 178594 62073 0 3 0x4000082 thrsleep syz-fuzzer 68530 492548 62073 0 7 0x4000002 syz-fuzzer 68530 264994 62073 0 3 0x4000082 thrsleep syz-fuzzer 68530 86236 62073 0 3 0x4000082 thrsleep syz-fuzzer 68530 313551 62073 0 3 0x4000082 thrsleep syz-fuzzer 68530 268001 62073 0 3 0x4000082 kqread syz-fuzzer 62073 55693 52316 0 3 0x10008a pause ksh 52316 81137 91892 0 3 0x92 select sshd 25098 316803 1 0 3 0x100083 ttyin getty 91892 30019 1 0 3 0x80 select sshd 42238 478457 11587 73 3 0x100090 kqread syslogd 11587 297952 1 0 3 0x100082 netio syslogd 13059 236123 1 77 3 0x100090 poll dhclient 11059 86018 1 0 3 0x80 poll dhclient 95318 400066 0 0 3 0x14200 bored smr 49760 344871 0 0 2 0x14200 zerothread 36646 260098 0 0 3 0x14200 aiodoned aiodoned 30240 129854 0 0 3 0x14200 syncer update 83954 205908 0 0 3 0x14200 cleaner cleaner 64186 356295 0 0 3 0x14200 reaper reaper 19549 249667 0 0 3 0x14200 pgdaemon pagedaemon 73389 98860 0 0 3 0x14200 bored crynlk 18418 486957 0 0 3 0x14200 bored crypto 56255 381716 0 0 3 0x40014200 acpi0 acpi0 45764 392423 0 0 3 0x40014200 idle1 63654 440294 0 0 2 0x14200 softnet 4549 116260 0 0 3 0x14200 bored systqmp 28912 400764 0 0 3 0x14200 bored systq 97084 34388 0 0 3 0x40014200 bored softclock 43044 105221 0 0 3 0x40014200 idle0 1 39947 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex /syzkaller/managers/setuid/kernel/sys/netinet/ip_input.c:101 r = 0 (0xffffffff826fedf0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 ip_ours+0xd7 #4 ip_input_if+0x6a9 #5 ipv4_input+0x48 sys/netinet/ip_input.c:215 #6 if_input_local+0xf5 sys/net/if.c:767 #7 ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 #8 ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] #8 ether_output+0x47 sys/net/if_ethersubr.c:350 #9 ip_output+0x118d sys/netinet/ip_output.c:509 #10 udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 #11 somove+0xefc sys/kern/uipc_socket.c:1617 #12 sorwakeup+0x79 sys/kern/uipc_socket.c:1666 #13 udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 #14 udp_input+0x12f2 #15 ip_deliver+0x321 sys/netinet/ip_input.c:604 #16 ip_ours+0x3ee #17 ip_input_if+0x6a9 #18 ipv4_input+0x48 sys/netinet/ip_input.c:215 Process 82551 (syz-executor.0) thread 0xffff8000220e2ee8 (326369) exclusive rwlock netlock r = 0 (0xffffffff826fac40) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x4e5 sys/kern/uipc_socket.c:544 #3 sendit+0x5f1 sys/kern/uipc_syscalls.c:657 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 #5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 exclusive mutex /syzkaller/managers/setuid/kernel/sys/netinet/ip_input.c:101 r = 0 (0xffffffff826fedf0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 ip_ours+0xd7 #4 ip_input_if+0x6a9 #5 ipv4_input+0x48 sys/netinet/ip_input.c:215 #6 if_input_local+0xf5 sys/net/if.c:767 #7 ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 #8 ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] #8 ether_output+0x47 sys/net/if_ethersubr.c:350 #9 ip_output+0x118d sys/netinet/ip_output.c:509 #10 udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 #11 somove+0xefc sys/kern/uipc_socket.c:1617 #12 sorwakeup+0x79 sys/kern/uipc_socket.c:1666 #13 udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 #14 udp_input+0x12f2 #15 ip_deliver+0x321 sys/netinet/ip_input.c:604 #16 ip_ours+0x3ee #17 ip_input_if+0x6a9 #18 ipv4_input+0x48 sys/netinet/ip_input.c:215 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9466 6330K 6330K 78643K 10586 0 pcb 13 8K 8K 78643K 13 0 rtable 105 3K 3K 78643K 595 0 ifaddr 39 10K 10K 78643K 103 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 33K 78643K 61 0 ioctlops 0 0K 2K 78643K 42 0 iov 0 0K 16K 78643K 48 0 mount 1 1K 1K 78643K 1 0 vnodes 1216 76K 76K 78643K 1387 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 190 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 7 21K 33K 78643K 761 0 sigio 0 0K 0K 78643K 4 0 proc 48 50K 70K 78643K 754 0 subproc 34 2K 2K 78643K 187 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 60 0 in_multi 33 2K 2K 78643K 139 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 2K 78643K 573 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 120 22K 38K 78643K 2973 0 UVM aobj 41 2K 2K 78643K 46 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 32 0 NDP 5 0K 0K 78643K 36 0 temp 102 3965K 4029K 78643K 4323 0 kqueue 3 4K 9K 78643K 30 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 25 0 19 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 88 89 0 87 1 0 1 1 0 8 0 rtentry 112 149 0 105 2 0 2 2 0 8 0 unpcb 120 1738 0 1730 1 0 1 1 0 8 0 syncache 272 14 0 14 4 3 1 1 0 8 1 tcpqe 32 108 0 108 3 2 1 1 0 8 1 tcpcb 592 161 0 156 4 2 2 2 0 8 1 ipq 40 12 0 10 2 1 1 1 0 8 0 ipqe 40 24 0 22 2 1 1 1 0 8 0 inpcb 296 1098 0 1087 4 2 2 2 0 8 1 ip6q 72 1 0 0 1 0 1 1 0 8 0 nd6 48 37 0 31 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 635 0 447 15 3 12 14 0 8 0 art_table 32 636 0 447 2 0 2 2 0 8 0 art_node 16 148 0 108 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 17 2 1 1 1 0 8 0 semupl 112 5 0 5 2 2 0 1 0 8 0 semapl 112 184 0 174 1 0 1 1 0 8 0 shmpl 112 43 0 5 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2092 0 695 88 0 88 88 0 8 0 ffsino 272 2092 0 695 94 0 94 94 0 8 0 nchpl 144 3171 0 1584 60 0 60 60 0 8 0 uvmvnodes 72 2288 0 0 42 0 42 42 0 8 0 vnodes 208 2288 0 0 121 0 121 121 0 8 0 namei 1024 9348 0 9348 3 2 1 1 0 8 1 percpumem 16 41 0 9 1 0 1 1 0 8 0 scxspl 200 9828 0 9828 8 7 1 7 0 8 1 plimitpl 152 100 0 91 1 0 1 1 0 8 0 sigapl 424 922 0 890 4 0 4 4 0 8 0 futexpl 56 10743 0 10743 3 2 1 1 0 8 1 knotepl 112 202 0 182 1 0 1 1 0 8 0 kqueuepl 152 103 0 98 1 0 1 1 0 8 0 pipepl 304 184 0 173 3 1 2 2 0 8 0 fdescpl 496 906 0 890 3 0 3 3 0 8 0 filepl 152 6027 0 5923 6 1 5 6 0 8 1 lockfpl 104 70 0 69 1 0 1 1 0 8 0 lockfspl 48 26 0 25 1 0 1 1 0 8 0 sessionpl 120 26 0 16 1 0 1 1 0 8 0 pgrppl 48 39 0 29 1 0 1 1 0 8 0 ucredpl 96 537 0 528 1 0 1 1 0 8 0 zombiepl 144 890 0 890 1 0 1 1 0 8 1 processpl 1008 922 0 890 7 2 5 5 0 8 0 procpl 632 2225 0 2184 6 2 4 5 0 8 0 sosppl 144 20 0 18 2 1 1 1 0 8 0 sockpl 400 2939 0 2918 8 4 4 5 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 246 0 0 30 0 30 30 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 317 0 0 18 1 17 17 0 8 0 bufpl 280 4496 0 178 309 0 309 309 0 8 0 anonpl 16 108448 0 96934 67 7 60 64 0 124 10 amapchunkpl 152 6836 0 6630 25 16 9 22 0 158 0 amappl16 192 3111 0 2545 43 10 33 41 0 8 4 amappl15 184 74 0 71 1 0 1 1 0 8 0 amappl14 176 92 0 87 1 0 1 1 0 8 0 amappl13 168 142 0 139 1 0 1 1 0 8 0 amappl12 160 171 0 168 2 1 1 1 0 8 0 amappl11 152 78 0 69 1 0 1 1 0 8 0 amappl10 144 5 0 0 1 0 1 1 0 8 0 amappl9 136 375 0 375 2 2 0 1 0 8 0 amappl8 128 185 0 147 3 1 2 2 0 8 0 amappl7 120 359 0 352 1 0 1 1 0 8 0 amappl6 112 163 0 149 1 0 1 1 0 8 0 amappl5 104 1013 0 1001 1 0 1 1 0 8 0 amappl4 96 406 0 378 1 0 1 1 0 8 0 amappl3 88 242 0 232 1 0 1 1 0 8 0 amappl2 80 5437 0 5372 2 0 2 2 0 8 0 amappl1 72 39232 0 38758 23 13 10 18 0 8 0 amappl 80 2595 0 2533 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 45 0 5 1 0 1 1 0 8 0 uaddrrnd 24 906 0 890 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 906 0 890 1 0 1 1 0 8 0 vmmpekpl 168 10267 0 10232 2 0 2 2 0 8 0 vmmpepl 168 128497 0 126664 126 30 96 98 0 357 16 vmsppl 368 905 0 890 2 0 2 2 0 8 0 pdppl 4096 1819 0 1780 9 4 5 6 0 8 0 pvpl 32 345489 0 330705 173 18 155 159 0 265 30 pmappl 232 905 0 890 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 282 0 19 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82714ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 end of kernel end trace frame: 0xc000bfa848, count: -3 ddb{0}> machine ddbcpu 1 Stopped at _isitmyx+0x2e: callq __sanitizer_cov_trace_pc+0x4 ddb{1}> trace _isitmyx(fffffd8002c83ec0,fffffd8002c83380,1,ffffffff823d5565) at _isitmyx+0x2e sys/kern/subr_witness.c:1643 witness_checkorder(ffffffff828de2a8,9,0) at witness_checkorder+0x681 isitmychild sys/kern/subr_witness.c:1682 [inline] witness_checkorder(ffffffff828de2a8,9,0) at witness_checkorder+0x681 witness_lock_order_check sys/kern/subr_witness.c:2430 [inline] witness_checkorder(ffffffff828de2a8,9,0) at witness_checkorder+0x681 sys/kern/subr_witness.c:873 mtx_enter(ffffffff828de298) at mtx_enter+0x3a sys/kern/kern_lock.c:265 pool_get(ffffffff828de298,2) at pool_get+0xbf sys/kern/subr_pool.c:578 ip_ours(ffff8000214d7358,ffff8000214d7364,ffff8000220e4000,0) at ip_ours+0x431 sys/netinet/ip_input.c:537 ip_input_if(ffff8000214d7358,ffff8000214d7364,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd806ab8fa00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806ab8fa00,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd80726db800,fffffd806f644c10,fffffd8072335150,ffff8000214d74a8) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd80726db800,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd80726db800,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd80726db800,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd80726db800,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd806f3c1e00,fffffd806f3c1ee0,0,14,fffffd806f3c1ef4) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d7b48,ffff8000214d7b54,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d7b48,ffff8000214d7b54,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d7b48,ffff8000214d7b54,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d7b48,ffff8000214d7b54,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd806ab87000) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806ab87000,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd80723f4800,fffffd806f644c10,fffffd8072335150,ffff8000214d7c98) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd80723f4800,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd80723f4800,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806951d600,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd806951d600,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd80726db800,fffffd80726db8ac,0,14,fffffd80726db8c0) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d8338,ffff8000214d8344,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d8338,ffff8000214d8344,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d8338,ffff8000214d8344,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d8338,ffff8000214d8344,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd806951d800) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806951d800,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd806f3c1100,fffffd806f644c10,fffffd8072335150,ffff8000214d8488) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd806f3c1100,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd806f3c1100,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806ab8f400,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd806ab8f400,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd806951d600,fffffd806951d6e0,0,14,fffffd806951d6f4) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d8b28,ffff8000214d8b34,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d8b28,ffff8000214d8b34,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d8b28,ffff8000214d8b34,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d8b28,ffff8000214d8b34,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd806ab87b00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd806ab87b00,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd8069522400,fffffd806f644c10,fffffd8072335150,ffff8000214d8c78) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8069522400,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8069522400,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806ab87200,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd807f00e700,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd806ab8f400,fffffd806ab8f4ac,0,14,fffffd806ab8f4c0) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d9318,ffff8000214d9324,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d9318,ffff8000214d9324,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d9318,ffff8000214d9324,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d9318,ffff8000214d9324,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd8069521100) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd8069521100,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd8069520f00,fffffd806f644c10,fffffd8072335150,ffff8000214d9468) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd8069520f00,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8069520f00,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd807f00e200,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd807f00e200,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 somove(fffffd806a6db4e0,2) at somove+0xefc sys/kern/uipc_socket.c:1617 sorwakeup(fffffd806a6db4e0) at sorwakeup+0x79 sys/kern/uipc_socket.c:1666 udp_sbappend(fffffd806f644b90,fffffd807f00e700,fffffd8065550060,0,14,fffffd8065550074) at udp_sbappend+0x399 sys/netinet/udp_usrreq.c:644 udp_input(ffff8000214d9b08,ffff8000214d9b14,11,2) at udp_input+0x12f2 ip_deliver(ffff8000214d9b08,ffff8000214d9b14,11,2) at ip_deliver+0x321 sys/netinet/ip_input.c:604 ip_ours(ffff8000214d9b08,ffff8000214d9b14,ffff8000220e4000,0) at ip_ours+0x3ee ip_input_if(ffff8000214d9b08,ffff8000214d9b14,4,0,ffff80000017c2a8) at ip_input_if+0x6a9 ipv4_input(ffff80000017c2a8,fffffd8072965800) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_local(ffff80000017c2a8,fffffd8072965800,2) at if_input_local+0xf5 sys/net/if.c:767 ether_resolve(ffff80000017c2a8,fffffd806ab87700,fffffd806f644c10,fffffd8072335150,ffff8000214d9c58) at ether_resolve+0x4c2 sys/net/if_ethersubr.c:239 ether_output(ffff80000017c2a8,fffffd806ab87700,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd806ab87700,fffffd806f644c10,fffffd8072335150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806951f500,0,fffffd806f644c00,0,0,fffffd806f644b90) at ip_output+0x118d sys/netinet/ip_output.c:509 udp_output(fffffd806f644b90,fffffd806951f500,0,0) at udp_output+0x5b7 sys/netinet/udp_usrreq.c:1017 sosend(fffffd806a6db4e0,0,ffff8000214d9f80,0,0,0) at sosend+0x601 sys/kern/uipc_socket.c:556 sendit(ffff8000220e2ee8,0,ffff8000214da060,0,ffff8000214da140) at sendit+0x5f1 sys/kern/uipc_syscalls.c:657 sys_sendto(ffff8000220e2ee8,ffff8000214da0f8,ffff8000214da140) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff8000214da1c0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000214da1c0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc574b499940, count: -82