login: panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd8069924600+16 0x0!=0x1206c5247c49897b Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *192459 38159 0 0 0x4000000 1 syz-executor.0 253745 50408 0 0x14000 0x40000200 0 softclock db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240acfd) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828ce6d0) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828ce6d0) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828ce6d0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd806f6a9800,b78,5a8,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806f6a9800,b78,5a8,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 ip6_fragment(fffffd806f6a9800,28,11,5dc) at ip6_fragment+0x33e sys/netinet6/ip6_output.c:829 ip6_output(fffffd806f6a9800,0,fffffd806f65b2c0,0,0,fffffd806f65b250) at ip6_output+0x1ba2 sys/netinet6/ip6_output.c:736 udp6_output(fffffd806f65b250,fffffd807f00e900,0,0) at udp6_output+0x36a sys/netinet6/udp6_output.c:236 sosend(fffffd8067f38e28,0,ffff800023109dd0,0,0,8a) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff800020e8f3d8,b,ffff800023109eb0,a,ffff800023109f90) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff800020e8f3d8,ffff800023109f48,ffff800023109f90) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff80002310a010) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002310a010) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcdf8294140, count: 2 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd8069924600+16 0x0!=0x1206c5247c49897b ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240acfd) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828ce6d0) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828ce6d0) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828ce6d0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd806f6a9800,b78,5a8,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806f6a9800,b78,5a8,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 ip6_fragment(fffffd806f6a9800,28,11,5dc) at ip6_fragment+0x33e sys/netinet6/ip6_output.c:829 ip6_output(fffffd806f6a9800,0,fffffd806f65b2c0,0,0,fffffd806f65b250) at ip6_output+0x1ba2 sys/netinet6/ip6_output.c:736 udp6_output(fffffd806f65b250,fffffd807f00e900,0,0) at udp6_output+0x36a sys/netinet6/udp6_output.c:236 sosend(fffffd8067f38e28,0,ffff800023109dd0,0,0,8a) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff800020e8f3d8,b,ffff800023109eb0,a,ffff800023109f90) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff800020e8f3d8,ffff800023109f48,ffff800023109f90) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff80002310a010) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002310a010) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcdf8294140, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000231096c0 rbx 0xffff800023109770 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffff800023109680 r9 0xffffffff814bc41f kprintf+0x16f r10 0x1 r11 0x4c5f8999fcb3ed81 r12 0x3000000008 r13 0xffff8000231096d0 r14 0x100 r15 0x1 rip 0xffffffff81c991c8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000231096b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=192459 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020e8ec70,0xffffffff828c88f8 process=0xffff800020ea37b0 user=0xffff800023105000, vmspace=0xfffffd807efff730 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 38159 274114 73289 0 2 0 syz-executor.0 38159 398151 73289 0 2 0x4000000 syz-executor.0 *38159 192459 73289 0 7 0x4000000 syz-executor.0 71448 150809 0 0 3 0x14200 bored sosplice 50710 162352 31236 0 3 0x82 piperd syz-executor.1 73289 38116 31236 0 3 0x82 nanosleep syz-executor.0 31236 221978 36040 0 3 0x82 thrsleep syz-fuzzer 31236 319277 36040 0 2 0x4000482 syz-fuzzer 31236 78182 36040 0 3 0x4000082 thrsleep syz-fuzzer 31236 220764 36040 0 3 0x4000082 thrsleep syz-fuzzer 31236 407575 36040 0 2 0x4000002 syz-fuzzer 31236 261481 36040 0 3 0x4000082 kqread syz-fuzzer 31236 224976 36040 0 3 0x4000082 thrsleep syz-fuzzer 31236 485723 36040 0 3 0x4000082 thrsleep syz-fuzzer 36040 388991 74190 0 3 0x10008a pause ksh 74190 53312 69880 0 3 0x92 select sshd 49208 131556 1 0 3 0x100083 ttyin getty 69880 424320 1 0 3 0x80 select sshd 42087 173689 53893 74 3 0x100092 bpf pflogd 53893 503620 1 0 3 0x80 netio pflogd 50094 236506 40754 73 3 0x100090 kqread syslogd 40754 502660 1 0 3 0x100082 netio syslogd 79800 241055 1 77 3 0x100090 poll dhclient 76229 415850 1 0 3 0x80 poll dhclient 50338 191386 0 0 2 0x14200 smr 14601 453722 0 0 2 0x14200 zerothread 58534 216495 0 0 3 0x14200 aiodoned aiodoned 45204 466957 0 0 3 0x14200 syncer update 59308 25480 0 0 3 0x14200 cleaner cleaner 34454 285464 0 0 3 0x14200 reaper reaper 52677 522711 0 0 3 0x14200 pgdaemon pagedaemon 58337 144050 0 0 3 0x14200 bored crynlk 67993 295582 0 0 3 0x14200 bored crypto 9052 385299 0 0 3 0x40014200 acpi0 acpi0 10708 109907 0 0 3 0x40014200 idle1 64161 224190 0 0 3 0x14200 bored softnet 26246 161511 0 0 3 0x14200 bored systqmp 61841 251770 0 0 3 0x14200 bored systq 50408 253745 0 0 7 0x40014200 softclock 98851 160333 0 0 3 0x40014200 idle0 1 385760 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 38159 (syz-executor.0) thread 0xffff800020e8f3d8 (192459) exclusive rwlock netlock r = 0 (0xffffffff827a6120) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:543 #3 sendit+0x52b sys/kern/uipc_syscalls.c:657 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9498 6470K 6657K 78643K 10735 0 pcb 15 8K 8K 78643K 300 0 rtable 107 3K 3K 78643K 252 0 ifaddr 65 14K 14K 78643K 88 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1485 0 iov 0 0K 12K 78643K 18 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1294 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 57 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 206 0 sigio 0 0K 0K 78643K 2 0 proc 62 63K 95K 78643K 441 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 20 0 in_multi 58 3K 3K 78643K 69 0 ether_multi 1 0K 0K 78643K 2 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 209 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 165 42K 42K 78643K 1567 0 UVM aobj 16 2K 2K 78643K 17 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 15 0 NDP 9 0K 0K 78643K 17 0 temp 104 3871K 3935K 78643K 2583 0 kqueue 3 4K 8K 78643K 5 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 7 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 88 27 0 25 1 0 1 1 0 8 0 rtentry 112 51 0 6 2 0 2 2 0 8 0 unpcb 120 167 0 156 1 0 1 1 0 8 0 syncache 272 6 0 6 2 1 1 1 0 8 1 tcpqe 32 215 0 215 2 2 0 2 0 8 0 tcpcb 592 68 0 60 1 0 1 1 0 8 0 inpcb 296 454 0 444 2 0 2 2 0 8 1 nd6 48 7 0 0 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 pffrag 232 3 0 2 2 1 1 1 0 482 0 pffrnode 88 3 0 2 2 1 1 1 0 8 0 pffrent 40 96 0 95 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 22 0 3 1 0 1 1 0 8 0 pfstkey 112 22 0 3 1 0 1 1 0 8 0 pfstate 328 22 0 3 2 0 2 2 0 8 0 pfrule 1360 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 204 0 3 13 0 13 13 0 8 0 art_table 32 205 0 3 2 0 2 2 0 8 0 art_node 16 50 0 9 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 49 0 39 1 0 1 1 0 8 0 shmpl 112 14 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1644 0 242 88 0 88 88 0 8 0 ffsino 272 1644 0 242 94 0 94 94 0 8 0 nchpl 144 2089 0 494 60 0 60 60 0 8 0 uvmvnodes 72 1739 0 0 32 0 32 32 0 8 0 vnodes 208 1739 0 0 92 0 92 92 0 8 0 namei 1024 5518 0 5518 1 0 1 1 0 8 1 percpumem 16 36 0 4 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 scxspl 200 6072 0 6072 7 6 1 6 0 8 1 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 424 422 0 390 4 0 4 4 0 8 0 futexpl 56 3109 0 3109 1 0 1 1 0 8 1 knotepl 112 64 0 44 1 0 1 1 0 8 0 kqueuepl 152 18 0 16 1 0 1 1 0 8 0 pipepl 304 102 0 91 2 0 2 2 0 8 1 fdescpl 496 406 0 390 3 0 3 3 0 8 0 filepl 152 2299 0 2193 6 0 6 6 0 8 1 lockfpl 104 34 0 33 1 0 1 1 0 8 0 lockfspl 48 9 0 8 1 0 1 1 0 8 0 sessionpl 120 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 190 0 181 1 0 1 1 0 8 0 zombiepl 144 390 0 390 1 0 1 1 0 8 1 processpl 1008 422 0 390 6 1 5 5 0 8 0 procpl 632 760 0 719 4 0 4 4 0 8 0 sosppl 144 1 0 1 1 0 1 1 0 8 1 sockpl 400 677 0 654 5 0 5 5 0 8 2 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 292 0 0 36 0 36 36 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 307 0 0 19 0 19 19 0 8 0 bufpl 280 4527 0 127 315 0 315 315 0 8 0 anonpl 16 56588 0 38268 84 10 74 83 0 124 0 amapchunkpl 152 2023 0 1707 15 1 14 15 0 158 0 amappl16 192 1893 0 1063 48 6 42 48 0 8 0 amappl15 184 2 0 2 2 2 0 1 0 8 0 amappl14 176 1 0 0 1 0 1 1 0 8 0 amappl13 168 29 0 25 1 0 1 1 0 8 0 amappl12 160 33 0 28 1 0 1 1 0 8 0 amappl11 152 224 0 207 1 0 1 1 0 8 0 amappl10 144 18 0 14 1 0 1 1 0 8 0 amappl9 136 367 0 365 1 0 1 1 0 8 0 amappl8 128 345 0 308 2 0 2 2 0 8 0 amappl7 120 117 0 104 1 0 1 1 0 8 0 amappl6 112 202 0 193 1 0 1 1 0 8 0 amappl5 104 310 0 294 1 0 1 1 0 8 0 amappl4 96 485 0 460 1 0 1 1 0 8 0 amappl3 88 125 0 115 1 0 1 1 0 8 0 amappl2 80 2303 0 2232 2 0 2 2 0 8 0 amappl1 72 20061 0 19608 25 16 9 18 0 8 0 amappl 80 1051 0 968 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 16 0 1 1 0 1 1 0 8 0 uaddrrnd 24 408 0 390 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 408 0 390 1 0 1 1 0 8 0 vmmpekpl 168 7053 0 7016 2 0 2 2 0 8 0 vmmpepl 168 58008 0 55962 126 21 105 117 0 357 16 vmsppl 368 407 0 390 2 0 2 2 0 8 0 pdppl 4096 823 0 782 6 0 6 6 0 8 0 pvpl 32 183243 0 161767 196 8 188 196 0 265 14 pmappl 232 407 0 390 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 278 0 4 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff827b4ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_cmp4(ffffffff828dd1c8,ffffffff828dd1c8) at __sanitizer_cov_trace_cmp4+0x6a sys/dev/kcov.c:165 __mp_acquire_count(ffffffff828dd1c8,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020d97708,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 softclock_thread(ffff800020d88c58) at softclock_thread+0x103 sys/kern/kern_timeout.c:601 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff827b4ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_cmp4(ffffffff828dd1c8,ffffffff828dd1c8) at __sanitizer_cov_trace_cmp4+0x6a sys/dev/kcov.c:165 __mp_acquire_count(ffffffff828dd1c8,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020d97708,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 softclock_thread(ffff800020d88c58) at softclock_thread+0x103 sys/kern/kern_timeout.c:601 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240acfd) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828ce6d0) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828ce6d0) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828ce6d0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd806f6a9800,b78,5a8,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806f6a9800,b78,5a8,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 ip6_fragment(fffffd806f6a9800,28,11,5dc) at ip6_fragment+0x33e sys/netinet6/ip6_output.c:829 ip6_output(fffffd806f6a9800,0,fffffd806f65b2c0,0,0,fffffd806f65b250) at ip6_output+0x1ba2 sys/netinet6/ip6_output.c:736 udp6_output(fffffd806f65b250,fffffd807f00e900,0,0) at udp6_output+0x36a sys/netinet6/udp6_output.c:236 sosend(fffffd8067f38e28,0,ffff800023109dd0,0,0,8a) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff800020e8f3d8,b,ffff800023109eb0,a,ffff800023109f90) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff800020e8f3d8,ffff800023109f48,ffff800023109f90) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff80002310a010) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002310a010) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcdf8294140, count: 2 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240acfd) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828ce6d0) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828ce6d0) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828ce6d0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd806f6a9800,b78,5a8,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806f6a9800,b78,5a8,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 ip6_fragment(fffffd806f6a9800,28,11,5dc) at ip6_fragment+0x33e sys/netinet6/ip6_output.c:829 ip6_output(fffffd806f6a9800,0,fffffd806f65b2c0,0,0,fffffd806f65b250) at ip6_output+0x1ba2 sys/netinet6/ip6_output.c:736 udp6_output(fffffd806f65b250,fffffd807f00e900,0,0) at udp6_output+0x36a sys/netinet6/udp6_output.c:236 sosend(fffffd8067f38e28,0,ffff800023109dd0,0,0,8a) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff800020e8f3d8,b,ffff800023109eb0,a,ffff800023109f90) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff800020e8f3d8,ffff800023109f48,ffff800023109f90) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff80002310a010) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002310a010) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcdf8294140, count: -13