panic: pool_do_get: mbufpl free list modified: page 0xfffffd806d640000; item addr 0xfffffd806d640100; offset 0x0=0x0 != 0x226d45e5b6033c3b Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *315709 92992 74 0x100012 0 0K pflogd 421946 40617 73 0x100010 0x80 1 syslogd db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8248ba25) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828c2ff0,2,ffff800020e63568) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828c2ff0,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806eadee18,fffffd806eadeea0,ffffffff826e6c98,fffffd806d640400,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 uipc_usrreq(fffffd806eadec88,9,fffffd806d640400,0,0,ffff800020e4e280) at uipc_usrreq+0xbb9 sys/kern/uipc_usrreq.c:238 sosend(fffffd806eadec88,0,ffff800020e63850,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 dosendsyslog(ffff800020e4e280,7f7ffffba090,3d,0,0) at dosendsyslog+0x2b8 sys/kern/subr_log.c:517 sys_sendsyslog(ffff800020e4e280,ffff800020e639e0,ffff800020e63a30) at sys_sendsyslog+0x13e sys/kern/subr_log.c:437 syscall(ffff800020e63ab0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e63ab0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbc610, count: 3 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic pool_do_get: mbufpl free list modified: page 0xfffffd806d640000; item addr 0xfffffd806d640100; offset 0x0=0x0 != 0x226d45e5b6033c3b ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8248ba25) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828c2ff0,2,ffff800020e63568) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828c2ff0,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806eadee18,fffffd806eadeea0,ffffffff826e6c98,fffffd806d640400,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 uipc_usrreq(fffffd806eadec88,9,fffffd806d640400,0,0,ffff800020e4e280) at uipc_usrreq+0xbb9 sys/kern/uipc_usrreq.c:238 sosend(fffffd806eadec88,0,ffff800020e63850,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 dosendsyslog(ffff800020e4e280,7f7ffffba090,3d,0,0) at dosendsyslog+0x2b8 sys/kern/subr_log.c:517 sys_sendsyslog(ffff800020e4e280,ffff800020e639e0,ffff800020e63a30) at sys_sendsyslog+0x13e sys/kern/subr_log.c:437 syscall(ffff800020e63ab0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e63ab0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbc610, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e633b0 rbx 0xffff800020e63460 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff8151256f kprintf+0x16f r9 0x1 r10 0x2 r11 0x2afdf6ca63c38543 r12 0x3000000008 r13 0xffff800020e633c0 r14 0x100 r15 0x1 rip 0xffffffff81f0cec8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e633a0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (pflogd) pid=315709 stat=onproc flags process=100012 proc=0 pri=26, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020e4e010,0xffff800020e4e9e0 process=0xffff800020e39350 user=0xffff800020e5e000, vmspace=0xfffffd806e8ef458 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 17760 164529 11953 0 3 0x82 nanosleep syz-executor.0 11953 159196 98588 0 3 0x82 thrsleep syz-execprog 11953 31412 98588 0 3 0x4000082 nanosleep syz-execprog 11953 227045 98588 0 3 0x4000082 thrsleep syz-execprog 11953 184519 98588 0 3 0x4000082 thrsleep syz-execprog 11953 175004 98588 0 3 0x4000082 thrsleep syz-execprog 11953 480257 98588 0 3 0x4000082 kqread syz-execprog 11953 160593 98588 0 3 0x4000082 thrsleep syz-execprog 11953 16985 98588 0 3 0x4000082 thrsleep syz-execprog 11953 437020 98588 0 3 0x4000082 thrsleep syz-execprog 98588 88775 18034 0 3 0x10008a pause ksh 18034 84826 48117 0 3 0x92 select sshd 99577 350793 1 0 3 0x100083 ttyin getty 48117 430859 1 0 3 0x80 select sshd *92992 315709 79503 74 7 0x100012 pflogd 79503 319719 1 0 3 0x80 netio pflogd 40617 421946 21019 73 7 0x100090 syslogd 21019 29739 1 0 3 0x100082 netio syslogd 78299 436982 1 77 3 0x100090 poll dhclient 55415 40967 1 0 3 0x80 poll dhclient 46849 226706 0 0 3 0x14200 bored smr 41730 471601 0 0 3 0x14200 pgzero zerothread 72276 117851 0 0 3 0x14200 aiodoned aiodoned 70111 119660 0 0 3 0x14200 syncer update 46900 459446 0 0 3 0x14200 cleaner cleaner 69112 469180 0 0 3 0x14200 reaper reaper 42134 401802 0 0 3 0x14200 pgdaemon pagedaemon 15089 269328 0 0 3 0x14200 bored crynlk 58440 392170 0 0 3 0x14200 bored crypto 26844 193953 0 0 3 0x40014200 acpi0 acpi0 32385 123147 0 0 3 0x40014200 idle1 88900 454204 0 0 3 0x14200 bored softnet 27231 84754 0 0 3 0x14200 bored systqmp 71712 294047 0 0 3 0x14200 bored systq 57357 161526 0 0 3 0x40014200 bored softclock 2737 470366 0 0 3 0x40014200 idle0 1 323566 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff828c3000) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_get+0x4c sys/kern/uipc_mbuf.c:250 #5 sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 #6 uipc_usrreq+0xbb9 sys/kern/uipc_usrreq.c:238 #7 sosend+0x671 sys/kern/uipc_socket.c:555 #8 dosendsyslog+0x2b8 sys/kern/subr_log.c:517 #9 sys_sendsyslog+0x13e sys/kern/subr_log.c:437 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 Process 92992 (pflogd) thread 0xffff800020e4e280 (315709) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828c2b40) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 exclusive mutex mbufpl r = 0 (0xffffffff828c3000) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_get+0x4c sys/kern/uipc_mbuf.c:250 #5 sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 #6 uipc_usrreq+0xbb9 sys/kern/uipc_usrreq.c:238 #7 sosend+0x671 sys/kern/uipc_socket.c:555 #8 dosendsyslog+0x2b8 sys/kern/subr_log.c:517 #9 sys_sendsyslog+0x13e sys/kern/subr_log.c:437 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9467 6396K 6396K 78643K 10560 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 52 0 counters 41 33K 33K 78643K 41 0 ioctlops 0 0K 4K 78643K 1468 0 mount 1 1K 1K 78643K 1 0 vnodes 1183 74K 75K 78643K 1188 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 2 4K 12K 78643K 31 0 proc 59 63K 83K 78643K 398 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 197 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 75 12K 12K 78643K 963 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 7 0 temp 29 3853K 3917K 78643K 1895 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 1 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 296 47 0 41 1 0 1 1 0 8 0 nd6 48 3 0 0 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 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 0 0 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 144 0 0 9 0 9 9 0 8 0 art_table 32 145 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1437 0 35 88 0 88 88 0 8 0 ffsino 272 1437 0 35 94 0 94 94 0 8 0 nchpl 144 1669 0 65 60 0 60 60 0 8 0 uvmvnodes 72 1447 0 0 27 0 27 27 0 8 0 vnodes 208 1447 0 0 77 0 77 77 0 8 0 namei 1024 4282 0 4282 1 0 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4500 0 4500 2 1 1 2 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 254 0 225 4 0 4 4 0 8 0 knotepl 112 47 0 36 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 77 0 70 1 0 1 1 0 8 0 pipepl 120 154 0 141 1 0 1 1 0 8 0 fdescpl 496 239 0 225 3 0 3 3 0 8 0 filepl 152 1142 0 1084 3 0 3 3 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 62 0 53 1 0 1 1 0 8 0 zombiepl 144 225 0 224 1 0 1 1 0 8 0 processpl 984 254 0 224 5 0 5 5 0 8 1 procpl 624 262 0 224 4 0 4 4 0 8 1 sockpl 400 93 0 75 2 0 2 2 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 70 0 0 9 0 9 9 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 97 0 0 6 0 6 6 0 8 0 mbufpl: pool(0xffffffff828c2ff0:mbufpl): free list modified: page 0xfffffd806d640000; item ordinal 0; addr 0xfffffd806d640100 (p 0xfffffd806dc11000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806d640000; item ordinal 0; addr 0xfffffd806d640100 (p 0xfffffd806dc11000); offset 0x0=0x0 mbufpl: pool(0xffffffff828c2ff0:mbufpl): page inconsistency: page 0xfffffd806d640000; item ordinal 1; addr 0xd9e04fa48bb25c49 bufpl 280 3062 0 133 210 0 210 210 0 8 0 anonpl 16 22680 0 21025 13 1 12 12 0 124 3 amapchunkpl 152 790 0 724 5 0 5 5 0 158 2 amappl16 192 187 0 152 2 0 2 2 0 8 0 amappl15 184 3 0 1 1 0 1 1 0 8 0 amappl14 176 36 0 29 1 0 1 1 0 8 0 amappl13 168 22 0 20 1 0 1 1 0 8 0 amappl12 160 18 0 17 2 1 1 1 0 8 0 amappl11 152 56 0 40 1 0 1 1 0 8 0 amappl10 144 19 0 17 1 0 1 1 0 8 0 amappl9 136 224 0 222 1 0 1 1 0 8 0 amappl8 128 270 0 261 1 0 1 1 0 8 0 amappl7 120 115 0 103 1 0 1 1 0 8 0 amappl6 112 26 0 24 1 0 1 1 0 8 0 amappl5 104 169 0 155 1 0 1 1 0 8 0 amappl4 96 501 0 476 1 0 1 1 0 8 0 amappl3 88 107 0 100 1 0 1 1 0 8 0 amappl2 80 931 0 873 2 0 2 2 0 8 0 amappl1 72 15525 0 15102 23 5 18 18 0 8 8 amappl 80 489 0 461 1 0 1 1 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 239 0 225 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 239 0 225 1 0 1 1 0 8 0 vmmpekpl 168 6392 0 6367 2 0 2 2 0 8 0 vmmpepl 168 33097 0 32168 80 8 72 72 0 357 29 vmsppl 368 238 0 225 2 0 2 2 0 8 0 pdppl 4096 485 0 450 6 0 6 6 0 8 1 pvpl 32 115214 0 111188 104 0 104 104 0 265 69 pmappl 232 238 0 225 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 231 0 3 7 0 7 7 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8248ba25) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828c2ff0,2,ffff800020e63568) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828c2ff0,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806eadee18,fffffd806eadeea0,ffffffff826e6c98,fffffd806d640400,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 uipc_usrreq(fffffd806eadec88,9,fffffd806d640400,0,0,ffff800020e4e280) at uipc_usrreq+0xbb9 sys/kern/uipc_usrreq.c:238 sosend(fffffd806eadec88,0,ffff800020e63850,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 dosendsyslog(ffff800020e4e280,7f7ffffba090,3d,0,0) at dosendsyslog+0x2b8 sys/kern/subr_log.c:517 sys_sendsyslog(ffff800020e4e280,ffff800020e639e0,ffff800020e63a30) at sys_sendsyslog+0x13e sys/kern/subr_log.c:437 syscall(ffff800020e63ab0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e63ab0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbc610, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d70ff0) 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 __mp_lock(ffffffff828c2938) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c2938) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828c2938,2) 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(ffff800020e558e0,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e558e0,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e558e0,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(fffffd806e952d80,118,ffffffff82460aaa,351) at tsleep+0x1cc sys/kern/kern_synch.c:155 kqueue_sleep(fffffd806e952d80,ffff800020e55d70) at kqueue_sleep+0x101 sys/kern/kern_event.c:885 kqueue_scan(fffffd806e952d80,40,18fa7998d800,ffff800020e55d70,ffff800020e4fae0,ffff800020e55dbc) at kqueue_scan+0x2b6 sys/kern/kern_event.c:928 sys_kevent(ffff800020e4fae0,ffff800020e55e30,ffff800020e55e80) at sys_kevent+0x464 sys/kern/kern_event.c:640 syscall(ffff800020e55f00) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e55f00) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbba30, count: 1 ddb{1}> trace x86_ipi_db(ffff800020d70ff0) 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 __mp_lock(ffffffff828c2938) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c2938) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828c2938,2) 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(ffff800020e558e0,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e558e0,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e558e0,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(fffffd806e952d80,118,ffffffff82460aaa,351) at tsleep+0x1cc sys/kern/kern_synch.c:155 kqueue_sleep(fffffd806e952d80,ffff800020e55d70) at kqueue_sleep+0x101 sys/kern/kern_event.c:885 kqueue_scan(fffffd806e952d80,40,18fa7998d800,ffff800020e55d70,ffff800020e4fae0,ffff800020e55dbc) at kqueue_scan+0x2b6 sys/kern/kern_event.c:928 sys_kevent(ffff800020e4fae0,ffff800020e55e30,ffff800020e55e80) at sys_kevent+0x464 sys/kern/kern_event.c:640 syscall(ffff800020e55f00) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e55f00) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbba30, count: -14 ddb{1}>