panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_biomem.c", line 310 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *365350 50456 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821de8a4) at panic+0x15c sys/kern/subr_prf.c:207 __assert(ffffffff822338b8,ffffffff8224938b,136,ffffffff8220ebee) at __assert+0x2b sys/kern/subr_prf.c:154 buf_free_pages(fffffd80698958d0) at buf_free_pages+0x1d3 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd80698958d0) at buf_dealloc_mem+0xe1 sys/kern/vfs_biomem.c:179 buf_put(fffffd80698958d0) at buf_put+0x16b sys/kern/vfs_bio.c:131 brelse(fffffd80698958d0) at brelse+0x27d sys/kern/vfs_bio.c:948 vinvalbuf(fffffd806b7501a8,2,ffffffffffffffff,ffff80001d773c60,0,ffffffffffffffff) at vinvalbuf+0x3b1 sys/kern/vfs_subr.c:1981 ffs_truncate(fffffd80579f24b8,0,0,ffffffffffffffff) at ffs_truncate+0xeb1 sys/ufs/ffs/ffs_inode.c:326 ufs_inactive(ffff80001feccce8) at ufs_inactive+0x155 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b7501a8,ffff80001d773c60) at VOP_INACTIVE+0xaa sys/kern/vfs_vops.c:573 vrele(fffffd806b7501a8) at vrele+0xca sys/kern/vfs_subr.c:816 ktrsettrace(ffff8000ffffa010,80000010,fffffd8058532b78,fffffd806c3bf900) at ktrsettrace+0xb3 sys/kern/kern_ktrace.c:124 ktrops(ffff80001d773c60,ffff8000ffffa010,0,80000010,fffffd8058532b78,fffffd806c3bf900) at ktrops+0x1a1 sys/kern/kern_ktrace.c:544 end trace frame: 0xffff80001feccf50, count: 0 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_biomem.c", line 310 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821de8a4) at panic+0x15c sys/kern/subr_prf.c:207 __assert(ffffffff822338b8,ffffffff8224938b,136,ffffffff8220ebee) at __assert+0x2b sys/kern/subr_prf.c:154 buf_free_pages(fffffd80698958d0) at buf_free_pages+0x1d3 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd80698958d0) at buf_dealloc_mem+0xe1 sys/kern/vfs_biomem.c:179 buf_put(fffffd80698958d0) at buf_put+0x16b sys/kern/vfs_bio.c:131 brelse(fffffd80698958d0) at brelse+0x27d sys/kern/vfs_bio.c:948 vinvalbuf(fffffd806b7501a8,2,ffffffffffffffff,ffff80001d773c60,0,ffffffffffffffff) at vinvalbuf+0x3b1 sys/kern/vfs_subr.c:1981 ffs_truncate(fffffd80579f24b8,0,0,ffffffffffffffff) at ffs_truncate+0xeb1 sys/ufs/ffs/ffs_inode.c:326 ufs_inactive(ffff80001feccce8) at ufs_inactive+0x155 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b7501a8,ffff80001d773c60) at VOP_INACTIVE+0xaa sys/kern/vfs_vops.c:573 vrele(fffffd806b7501a8) at vrele+0xca sys/kern/vfs_subr.c:816 ktrsettrace(ffff8000ffffa010,80000010,fffffd8058532b78,fffffd806c3bf900) at ktrsettrace+0xb3 sys/kern/kern_ktrace.c:124 ktrops(ffff80001d773c60,ffff8000ffffa010,0,80000010,fffffd8058532b78,fffffd806c3bf900) at ktrops+0x1a1 sys/kern/kern_ktrace.c:544 doktrace(fffffd8058532b78,14,10,0,ffff80001d773c60) at doktrace+0x60d ktrsetchildren sys/kern/kern_ktrace.c:566 [inline] doktrace(fffffd8058532b78,14,10,0,ffff80001d773c60) at doktrace+0x60d sys/kern/kern_ktrace.c:488 sys_ktrace(ffff80001d773c60,ffff80001fecd0a8,ffff80001fecd0f0) at sys_ktrace+0xd5 sys/kern/kern_ktrace.c:529 syscall(ffff80001fecd170) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9f34a334af0, count: -18 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001fecc7e0 rbx 0xffff80001fecc890 rdx 0x2 rcx 0 rax 0x1 r8 0xffffffff81cd589f kprintf+0x15f r9 0x1 r10 0x2 r11 0x4d71a030e3404b0d r12 0x3000000008 r13 0xffff80001fecc7f0 r14 0x100 r15 0x1 rip 0xffffffff81264068 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001fecc7d0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) pid=365350 stat=onproc flags process=0 proc=4000000 pri=17, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80001d773ed0,0xffffffff825bfee0 process=0xffff80001eec1228 user=0xffff80001fec8000, vmspace=0xfffffd806533bbb8 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 50456 458194 98533 0 2 0 syz-executor.0 50456 165601 98533 0 2 0x4000000 syz-executor.0 *50456 365350 98533 0 7 0x4000000 syz-executor.0 98533 32350 85823 0 3 0x82 nanosleep syz-executor.0 82894 367841 0 0 3 0x14280 nfsidl nfsio 21122 457760 0 0 3 0x14280 nfsidl nfsio 29744 274214 0 0 3 0x14280 nfsidl nfsio 80633 168420 0 0 3 0x14280 nfsidl nfsio 2612 136563 0 0 3 0x14280 nfsidl nfsio 97224 462269 0 0 3 0x14280 nfsidl nfsio 5157 497794 0 0 3 0x14280 nfsidl nfsio 81147 401296 0 0 3 0x14280 nfsidl nfsio 75672 443059 0 0 3 0x14280 nfsidl nfsio 84203 196032 0 0 3 0x14280 nfsidl nfsio 76894 191613 0 0 3 0x14280 nfsidl nfsio 25969 343597 0 0 3 0x14280 nfsidl nfsio 23524 430277 0 0 3 0x14280 nfsidl nfsio 54579 17870 0 0 3 0x14280 nfsidl nfsio 64037 445569 0 0 3 0x14280 nfsidl nfsio 58794 251236 0 0 3 0x14280 nfsidl nfsio 34200 77935 0 0 3 0x14280 nfsidl nfsio 81937 466302 0 0 3 0x14280 nfsidl nfsio 75559 275354 0 0 3 0x14280 nfsidl nfsio 84683 96736 0 0 3 0x14280 nfsidl nfsio 66428 313158 0 0 3 0x14200 bored sosplice 17634 468178 85823 0 3 0x82 piperd syz-executor.1 85823 193816 95497 0 3 0x82 thrsleep syz-fuzzer 85823 173612 95497 0 3 0x4000082 nanosleep syz-fuzzer 85823 161227 95497 0 3 0x4000082 thrsleep syz-fuzzer 85823 320745 95497 0 3 0x4000082 thrsleep syz-fuzzer 85823 409483 95497 0 3 0x4000082 thrsleep syz-fuzzer 85823 456873 95497 0 2 0x4000002 syz-fuzzer 85823 492698 95497 0 3 0x4000082 thrsleep syz-fuzzer 85823 210639 95497 0 3 0x4000082 thrsleep syz-fuzzer 95497 128260 46541 0 3 0x10008a pause ksh 46541 301860 33961 0 3 0x92 select sshd 23461 470919 1 0 3 0x100083 ttyin getty 33961 302293 1 0 3 0x80 select sshd 89145 166660 26898 73 3 0x100090 kqread syslogd 26898 493039 1 0 3 0x100082 netio syslogd 41694 95216 1 77 3 0x100090 poll dhclient 42663 77682 1 0 3 0x80 poll dhclient 89367 522391 0 0 3 0x14200 bored smr 83785 465194 0 0 2 0x14200 zerothread 36856 177120 0 0 3 0x14200 aiodoned aiodoned 39865 334643 0 0 3 0x14200 syncer update 70771 97254 0 0 3 0x14200 cleaner cleaner 18454 71207 0 0 3 0x14200 reaper reaper 71085 462851 0 0 3 0x14200 pgdaemon pagedaemon 90684 232563 0 0 3 0x14200 bored crynlk 82253 468199 0 0 3 0x14200 bored crypto 12734 250464 0 0 3 0x40014200 acpi0 acpi0 13279 485037 0 0 3 0x14200 bored softnet 29686 237485 0 0 3 0x14200 bored systqmp 5615 370439 0 0 3 0x14200 bored systq 77494 12081 0 0 3 0x40014200 bored softclock 23087 252597 0 0 3 0x40014200 idle0 1 317409 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9503 6352K 6785K 78643K 10963 0 pcb 13 8K 8K 78643K 77 0 rtable 108 3K 7K 78643K 434 0 ifaddr 71 14K 14K 78643K 151 0 counters 21 16K 16K 78643K 26 0 ioctlops 0 0K 4K 78643K 44 0 iov 0 0K 12K 78643K 31 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1363 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 34 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 265 0 sigio 0 0K 0K 78643K 2 0 proc 49 38K 55K 78643K 430 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 21 0 in_multi 42 2K 2K 78643K 86 0 ether_multi 1 0K 0K 78643K 11 0 mrt 0 0K 0K 78643K 9 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 213 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 133 39K 41K 78643K 1499 0 UVM aobj 10 2K 2K 78643K 11 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 51 0 NDP 12 0K 0K 78643K 23 0 temp 100 3030K 3094K 78643K 25568 0 kqueue 3 4K 10K 78643K 26 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 2 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 61 0 17 2 0 2 2 0 8 0 unpcb 120 133 0 125 1 0 1 1 0 8 0 syncache 264 14 0 14 5 5 0 1 0 8 0 tcpqe 32 204 0 204 2 2 0 1 0 8 0 tcpcb 544 114 0 110 1 0 1 1 0 8 0 ipq 40 4 0 4 2 2 0 1 0 8 0 ipqe 40 8 0 8 2 2 0 1 0 8 0 inpcb 280 294 0 287 4 2 2 2 0 8 1 rttmr 72 4 0 4 1 1 0 1 0 8 0 nd6 48 10 0 4 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pfstscr 40 2 0 0 1 0 1 1 0 8 0 pfrktable 1344 74 0 74 3 3 0 1 0 8 0 pftag 88 12 0 12 3 3 0 1 0 8 0 pfstitem 24 4 0 0 1 0 1 1 0 8 0 pfstkey 112 4 0 0 1 0 1 1 0 8 0 pfstate 328 2 0 0 1 0 1 1 0 8 0 pfrule 1360 10 0 8 4 3 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 250 0 59 15 3 12 13 0 8 0 art_table 32 251 0 59 2 0 2 2 0 8 0 art_node 16 60 0 20 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 30 0 20 1 0 1 1 0 8 0 shmpl 112 9 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1735 0 339 88 0 88 88 0 8 0 ffsino 240 1735 0 339 83 0 83 83 0 8 0 nchpl 144 2271 0 682 60 0 60 60 0 8 0 uvmvnodes 72 1880 0 0 35 0 35 35 0 8 0 vnodes 208 1880 0 0 99 0 99 99 0 8 0 namei 1024 6363 0 6363 6 5 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 528 2 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 22 0 22 3 3 0 1 0 8 0 scxspl 192 23970 0 23970 6 5 1 1 0 8 1 plimitpl 152 37 0 30 1 0 1 1 0 8 0 sigapl 424 469 0 420 6 0 6 6 0 8 0 futexpl 56 4765 0 4765 4 3 1 1 0 8 1 knotepl 112 102 0 83 1 0 1 1 0 8 0 kqueuepl 144 48 0 46 1 0 1 1 0 8 0 pipelkpl 16 107 0 97 1 0 1 1 0 8 0 pipepl 120 214 0 195 1 0 1 1 0 8 0 fdescpl 432 434 0 420 2 0 2 2 0 8 0 filepl 120 2682 0 2586 7 3 4 4 0 8 1 lockfpl 104 52 0 51 1 0 1 1 0 8 0 lockfspl 48 18 0 17 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 20 0 10 1 0 1 1 0 8 0 ucredpl 96 270 0 263 1 0 1 1 0 8 0 zombiepl 144 420 0 420 4 3 1 1 0 8 1 processpl 920 469 0 420 7 0 7 7 0 8 0 procpl 624 749 0 691 7 2 5 5 0 8 0 sosppl 128 8 0 8 2 2 0 1 0 8 0 sockpl 400 456 0 439 8 5 3 4 0 8 1 mcl64k 65536 290 0 290 34 34 0 32 0 8 0 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl12k 12288 11 0 11 5 5 0 1 0 8 0 mcl9k 9216 3 0 3 3 3 0 1 0 8 0 mcl8k 8192 8 0 8 4 4 0 1 0 8 0 mcl4k 4096 25 0 25 5 5 0 1 0 8 0 mcl2k2 2112 2 0 2 2 2 0 1 0 8 0 mcl2k 2048 73903 0 73851 22 14 8 15 0 8 0 mtagpl 80 26 0 26 2 2 0 1 0 8 0 mbufpl 256 120052 0 119965 51 42 9 33 0 8 0 bufpl 280 5430 0 130 379 0 379 379 0 8 0 anonpl 16 66252 0 53894 98 33 65 82 0 107 0 amapchunkpl 152 2376 0 2244 17 10 7 16 0 158 1 amappl16 192 2459 0 1573 63 18 45 56 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 43 0 36 1 0 1 1 0 8 0 amappl13 168 34 0 31 1 0 1 1 0 8 0 amappl12 160 33 0 29 2 1 1 1 0 8 0 amappl11 152 221 0 212 1 0 1 1 0 8 0 amappl10 144 45 0 39 1 0 1 1 0 8 0 amappl9 136 374 0 373 1 0 1 1 0 8 0 amappl8 128 348 0 303 2 0 2 2 0 8 0 amappl7 120 117 0 103 1 0 1 1 0 8 0 amappl6 112 197 0 190 1 0 1 1 0 8 0 amappl5 104 368 0 356 1 0 1 1 0 8 0 amappl4 96 431 0 406 1 0 1 1 0 8 0 amappl3 88 119 0 113 1 0 1 1 0 8 0 amappl2 80 2585 0 2515 2 0 2 2 0 8 0 amappl1 72 17385 0 16982 24 15 9 17 0 8 0 amappl 80 985 0 943 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 10 0 1 1 0 1 1 0 8 0 uaddrrnd 24 436 0 420 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 436 0 420 1 0 1 1 0 8 0 vmmpekpl 168 6766 0 6734 2 0 2 2 0 8 0 vmmpepl 168 59128 0 57167 163 42 121 121 0 357 35 vmsppl 272 435 0 420 5 3 2 2 0 8 0 pdppl 4096 878 0 842 6 1 5 6 0 8 0 pvpl 32 227549 0 212056 331 129 202 302 0 265 45 pmappl 200 435 0 420 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 346 0 124 8 0 8 8 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821de8a4) at panic+0x15c sys/kern/subr_prf.c:207 __assert(ffffffff822338b8,ffffffff8224938b,136,ffffffff8220ebee) at __assert+0x2b sys/kern/subr_prf.c:154 buf_free_pages(fffffd80698958d0) at buf_free_pages+0x1d3 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd80698958d0) at buf_dealloc_mem+0xe1 sys/kern/vfs_biomem.c:179 buf_put(fffffd80698958d0) at buf_put+0x16b sys/kern/vfs_bio.c:131 brelse(fffffd80698958d0) at brelse+0x27d sys/kern/vfs_bio.c:948 vinvalbuf(fffffd806b7501a8,2,ffffffffffffffff,ffff80001d773c60,0,ffffffffffffffff) at vinvalbuf+0x3b1 sys/kern/vfs_subr.c:1981 ffs_truncate(fffffd80579f24b8,0,0,ffffffffffffffff) at ffs_truncate+0xeb1 sys/ufs/ffs/ffs_inode.c:326 ufs_inactive(ffff80001feccce8) at ufs_inactive+0x155 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b7501a8,ffff80001d773c60) at VOP_INACTIVE+0xaa sys/kern/vfs_vops.c:573 vrele(fffffd806b7501a8) at vrele+0xca sys/kern/vfs_subr.c:816 ktrsettrace(ffff8000ffffa010,80000010,fffffd8058532b78,fffffd806c3bf900) at ktrsettrace+0xb3 sys/kern/kern_ktrace.c:124 ktrops(ffff80001d773c60,ffff8000ffffa010,0,80000010,fffffd8058532b78,fffffd806c3bf900) at ktrops+0x1a1 sys/kern/kern_ktrace.c:544 doktrace(fffffd8058532b78,14,10,0,ffff80001d773c60) at doktrace+0x60d ktrsetchildren sys/kern/kern_ktrace.c:566 [inline] doktrace(fffffd8058532b78,14,10,0,ffff80001d773c60) at doktrace+0x60d sys/kern/kern_ktrace.c:488 sys_ktrace(ffff80001d773c60,ffff80001fecd0a8,ffff80001fecd0f0) at sys_ktrace+0xd5 sys/kern/kern_ktrace.c:529 syscall(ffff80001fecd170) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9f34a334af0, count: -18 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821de8a4) at panic+0x15c sys/kern/subr_prf.c:207 __assert(ffffffff822338b8,ffffffff8224938b,136,ffffffff8220ebee) at __assert+0x2b sys/kern/subr_prf.c:154 buf_free_pages(fffffd80698958d0) at buf_free_pages+0x1d3 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd80698958d0) at buf_dealloc_mem+0xe1 sys/kern/vfs_biomem.c:179 buf_put(fffffd80698958d0) at buf_put+0x16b sys/kern/vfs_bio.c:131 brelse(fffffd80698958d0) at brelse+0x27d sys/kern/vfs_bio.c:948 vinvalbuf(fffffd806b7501a8,2,ffffffffffffffff,ffff80001d773c60,0,ffffffffffffffff) at vinvalbuf+0x3b1 sys/kern/vfs_subr.c:1981 ffs_truncate(fffffd80579f24b8,0,0,ffffffffffffffff) at ffs_truncate+0xeb1 sys/ufs/ffs/ffs_inode.c:326 ufs_inactive(ffff80001feccce8) at ufs_inactive+0x155 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b7501a8,ffff80001d773c60) at VOP_INACTIVE+0xaa sys/kern/vfs_vops.c:573 vrele(fffffd806b7501a8) at vrele+0xca sys/kern/vfs_subr.c:816 ktrsettrace(ffff8000ffffa010,80000010,fffffd8058532b78,fffffd806c3bf900) at ktrsettrace+0xb3 sys/kern/kern_ktrace.c:124 ktrops(ffff80001d773c60,ffff8000ffffa010,0,80000010,fffffd8058532b78,fffffd806c3bf900) at ktrops+0x1a1 sys/kern/kern_ktrace.c:544 doktrace(fffffd8058532b78,14,10,0,ffff80001d773c60) at doktrace+0x60d ktrsetchildren sys/kern/kern_ktrace.c:566 [inline] doktrace(fffffd8058532b78,14,10,0,ffff80001d773c60) at doktrace+0x60d sys/kern/kern_ktrace.c:488 sys_ktrace(ffff80001d773c60,ffff80001fecd0a8,ffff80001fecd0f0) at sys_ktrace+0xd5 sys/kern/kern_ktrace.c:529 syscall(ffff80001fecd170) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9f34a334af0, count: -18