uvm_fault(0xffffffff83899a28, 0xffff800028d82000, 0, 2) -> d kernel: page fault trap, code=2 Stopped at memset+0x52: repe stosq %es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND * 61541 89291 0 0x2000 0x4080000 1K syz-executor 9842 23682 0 0x14000 0x40000200 0 softclock memset() at memset+0x52 VOP_WRITE(fffffd800c9db040,ffff80002a48ca18,7,fffffd807f7d2340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806bea6850,ffff80002a48ca18,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a3b87e8,3,ffff80002a48ca18,0,ffff80002a48cad0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff80002a3b87e8,ffff80002a48cb80,ffff80002a48cad0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a48cb80) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a48cb80) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe529e1dea80, count: 8 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 *cpu1: uvm_fault(0xffffffff83899a28, 0xffff800028d82000, 0, 2) -> d ddb{1}> trace memset() at memset+0x52 VOP_WRITE(fffffd800c9db040,ffff80002a48ca18,7,fffffd807f7d2340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806bea6850,ffff80002a48ca18,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a3b87e8,3,ffff80002a48ca18,0,ffff80002a48cad0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff80002a3b87e8,ffff80002a48cb80,ffff80002a48cad0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a48cb80) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a48cb80) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe529e1dea80, count: -7 ddb{1}> show registers rdi 0xffff800028d82000 rsi 0 rbp 0xffff80002a48c860 rbx 0xe rdx 0 rcx 0x800 rax 0 r8 0x4000 __ALIGN_SIZE+0x3000 r9 0x1 r10 0xbb92f5f4e34a433b r11 0xffff800028d82000 r12 0x4000 __ALIGN_SIZE+0x3000 r13 0x4000 __ALIGN_SIZE+0x3000 r14 0xffff800028d82000 r15 0x4000 __ALIGN_SIZE+0x3000 rip 0xffffffff821101f2 memset+0x52 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80002a48c798 ss 0x10 memset+0x52: repe stosq %es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=61541 pid=89291 tcnt=4 stat=onproc flags process=2000 proc=4080000 runpri=17, usrpri=84, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000ffff4548 scnt=1 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2f91f8,0xffff80002a3b82d8 process=0xffff8000ffffb738 user=0xffff80002a487000, vmspace=0xfffffd806bcc31e8 estcpu=34, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 26078 193560 59031 0 2 0 syz-executor 26078 131061 59031 0 3 0x4000080 fsleep syz-executor 55334 368481 57411 0 2 0 syz-executor 55334 294283 57411 0 3 0x4000080 sbwait syz-executor 39111 154024 86935 0 2 0 syz-executor 89291 134952 78844 0 4 0x82000 syz-executor *89291 61541 78844 0 7 0x4082000 syz-executor 89291 349664 78844 0 4 0x4082000 syz-executor 89291 512311 78844 0 3 0x4002000 suspend syz-executor 46634 394240 14665 0 2 0 syz-executor 46634 255438 14665 0 3 0x4000080 fsleep syz-executor 46634 430218 14665 0 3 0x4000000 smrbar syz-executor 8330 7092 9094 0 2 0x480 syz-executor 8330 369380 9094 0 3 0x4000080 sbwait syz-executor 8330 522027 9094 0 3 0x4000080 sbwait syz-executor 8330 166329 9094 0 3 0x4000080 sbwait syz-executor 8330 286806 9094 0 3 0x4000080 fsleep syz-executor 15201 362977 92664 0 2 0x1000480 syz-executor 15201 512414 92664 0 3 0x5000080 sbwait syz-executor 15201 262259 92664 0 3 0x5000080 fsleep syz-executor 59031 385077 89504 0 2 0x482 syz-executor 78844 31782 89504 0 2 0x482 syz-executor 42192 158866 1 0 3 0x100083 ttyin getty 86935 515862 89504 0 2 0x2 syz-executor 33867 197844 0 0 3 0x14280 nfsidl nfsio 15824 149452 0 0 3 0x14280 nfsidl nfsio 5391 71080 0 0 3 0x14280 nfsidl nfsio 74248 112328 0 0 3 0x14280 nfsidl nfsio 97724 460626 0 0 3 0x14280 nfsidl nfsio 37464 212152 0 0 3 0x14280 nfsidl nfsio 3794 248098 0 0 3 0x14280 nfsidl nfsio 47917 368209 0 0 3 0x14280 nfsidl nfsio 52210 208092 0 0 3 0x14280 nfsidl nfsio 38190 57151 0 0 3 0x14280 nfsidl nfsio 20217 23957 0 0 3 0x14280 nfsidl nfsio 65545 156044 0 0 3 0x14280 nfsidl nfsio 58938 57753 0 0 3 0x14280 nfsidl nfsio 36536 388881 0 0 3 0x14280 nfsidl nfsio 13882 418720 0 0 3 0x14280 nfsidl nfsio 78531 507230 0 0 3 0x14280 nfsidl nfsio 56753 139221 0 0 3 0x14280 nfsidl nfsio 76835 337368 0 0 3 0x14280 nfsidl nfsio 61759 423963 0 0 3 0x14280 nfsidl nfsio 11603 443590 0 0 3 0x14280 nfsidl nfsio 92664 79718 89504 0 2 0x482 syz-executor 57411 261257 89504 0 2 0x482 syz-executor 14665 267697 89504 0 2 0x482 syz-executor 9094 289931 89504 0 2 0x482 syz-executor 91363 337361 0 0 3 0x14200 bored sosplice 39630 263765 89504 0 3 0x82 wait syz-executor 89504 341924 12900 0 3 0x82 kqread syz-executor 12900 167232 41627 0 3 0x10008a sigsusp ksh 41627 196770 55249 0 3 0x98 kqread sshd-session 55249 255565 98573 0 3 0x92 kqread sshd-session 98573 505255 1 0 3 0x88 kqread sshd 93404 415147 49427 74 3 0x1100092 bpf pflogd 49427 83092 1 0 3 0x80 sbwait pflogd 99684 304941 76277 73 3 0x1100090 kqread syslogd 76277 400296 1 0 3 0x100082 sbwait syslogd 41987 470623 1 0 3 0x100080 kqread resolvd 50715 460618 39539 77 3 0x100092 kqread dhcpleased 60508 482500 39539 77 3 0x100092 kqread dhcpleased 39539 67754 1 0 3 0x80 kqread dhcpleased 99076 199674 0 0 3 0x14200 bored smr 44247 217545 0 0 2 0x14200 zerothread 51737 270444 0 0 3 0x14200 aiodoned aiodoned 49498 504111 0 0 3 0x14200 syncer update 81702 211644 0 0 3 0x14200 cleaner cleaner 80718 114007 0 0 3 0x14200 reaper reaper 72693 322499 0 0 3 0x14200 pgdaemon pagedaemon 17765 495531 0 0 3 0x14200 bored viomb 94327 4915 0 0 3 0x40014200 acpi0 acpi0 8596 447183 0 0 3 0x40014200 idle1 17531 416588 0 0 3 0x14200 bored softnet3 76924 522830 0 0 3 0x14200 bored softnet2 60549 14517 0 0 3 0x14200 bored softnet1 9369 158332 0 0 3 0x14200 bored softnet0 70781 304371 0 0 2 0x14200 systqmp 85311 507611 0 0 3 0x14200 bored systq 90710 118219 0 0 3 0x14200 tmoslp softclockmp 23682 9842 0 0 7 0x40014200 softclock 39847 82737 0 0 3 0x40014200 idle0 1 520110 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 89291 (syz-executor) thread 0xffff80002a3b87e8 (61541) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10224 11130K 13045K 166960K 19407 0 pcb 17 18K 20K 166960K 918 0 rtable 245 12K 12K 166960K 1139 0 pf 40 18K 19K 166960K 317 0 ifaddr 43 9K 9K 166960K 242 0 ifgroup 62 2K 3K 166960K 424 0 sysctl 4 1K 2K 166960K 13 0 counters 68 36K 37K 166960K 468 0 ioctlops 0 0K 4K 166960K 2088 0 iov 0 0K 32K 166960K 307 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1575 99K 99K 166960K 5331 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 96 0 VM map 2 1K 1K 166960K 2 0 sem 117 17K 20K 166960K 351 0 dirhash 12 2K 3K 166960K 117 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 4633 0 sigio 0 0K 0K 166960K 95 0 proc 75 91K 140K 166960K 1322 0 subproc 72 4K 4K 166960K 172 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 763 0 in_multi 89 6K 7K 166960K 351 0 ether_multi 1 0K 0K 166960K 38 0 mrt 2 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 1498 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 249 73K 89K 166960K 44426 0 UVM aobj 33 2K 4K 166960K 35 0 pinsyscall 43 86K 102K 166960K 6014 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 258 0 NDP 14 0K 2K 166960K 184 0 temp 82 8644K 8900K 166960K 216329 0 kqueue 15 24K 32K 166960K 762 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 497 0 493 5 4 1 3 0 8 0 rtentry 112 335 0 233 4 0 4 4 0 8 0 unpcb 144 3475 0 3440 28 24 4 6 0 8 2 syncache 336 8 0 8 3 3 0 1 0 8 0 tcpcb 808 1475 0 1467 31 29 2 8 0 8 1 arp 120 59 0 41 1 0 1 1 0 8 0 inpcb 376 5432 0 5419 43 39 4 15 0 8 2 ip6q 72 3 0 3 3 3 0 1 0 8 0 ip6af 40 6 0 6 3 3 0 1 0 8 0 nd6 136 69 0 41 1 0 1 1 0 8 0 pkpcb 40 121 0 121 8 7 1 1 0 8 1 kcovpl 48 19 0 11 1 0 1 1 0 8 0 mppekey 1024 4 0 4 3 3 0 1 0 8 0 ppxss 1168 153 0 152 5 4 1 1 0 8 0 pppxif 1472 17 0 17 8 7 1 1 0 8 1 pffrag 232 50 0 44 1 0 1 1 0 482 0 pffrnode 88 47 0 41 1 0 1 1 0 8 0 pffrent 40 143 0 137 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 265 0 126 1 0 1 1 0 8 0 pfstkey 128 266 0 127 5 0 5 5 0 8 0 pfstate 376 266 0 127 14 0 14 14 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 1 1 1 0 8 1 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1359 0 938 42 11 31 31 0 8 2 art_table 32 1363 0 938 4 0 4 4 0 8 0 art_node 16 323 0 235 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 8 3 2 1 1 0 8 0 semupl 112 19 0 19 6 5 1 1 0 8 1 semapl 112 309 0 194 4 0 4 4 0 8 0 shmpl 112 32 0 2 1 0 1 1 0 8 0 dirhash 1024 87 0 70 3 0 3 3 0 8 0 dino2pl 256 9498 0 7964 98 1 97 97 0 8 0 ffsino 280 9498 0 7964 111 0 111 111 0 8 0 nchpl 144 15954 0 15387 64 39 25 64 0 8 0 rtmask 32 37 0 37 8 7 1 1 0 8 1 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 59880 0 59880 3 2 1 1 0 8 1 percpumem 16 248 0 200 1 0 1 1 0 8 0 kstatmem 264 278 0 250 6 3 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 7 0 7 6 5 1 1 0 8 1 scxspl 216 51178 0 51178 16 13 3 8 1 8 3 plimitpl 152 983 0 965 1 0 1 1 0 8 0 sigapl 424 4925 0 4854 11 2 9 9 0 8 0 futexpl 64 80597 0 80593 1 0 1 1 0 8 0 knotepl 120 785 0 0 24 0 24 24 0 8 0 kqueuepl 216 1795 0 1783 15 14 1 5 0 8 0 pipepl 328 637 0 609 9 6 3 8 0 8 0 fdescpl 504 4857 0 4825 5 0 5 5 0 8 0 filepl 152 35353 0 35103 43 30 13 19 0 8 2 lockfpl 104 2062 0 2059 4 3 1 2 0 8 0 lockfspl 48 779 0 776 1 0 1 1 0 8 0 sessionpl 144 41 0 32 1 0 1 1 0 8 0 pgrppl 48 137 0 120 1 0 1 1 0 8 0 ucredpl 104 6685 0 6671 1 0 1 1 0 8 0 zombiepl 144 5661 0 5660 1 0 1 1 0 8 0 processpl 1176 4925 0 4854 6 0 6 6 0 8 0 procpl 656 12128 0 12044 9 1 8 8 0 8 0 srpgc 96 24 0 24 8 7 1 1 0 8 1 sosppl 168 22 0 22 6 6 0 1 0 8 0 sockpl 688 9692 0 9640 81 69 12 22 0 8 6 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 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 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 127 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 64 0 0 5 1 4 4 0 8 0 mtagpl 96 127 0 0 3 0 3 3 0 8 0 mbufpl 256 502 0 0 27 0 27 27 0 8 0 bufpl 280 14809 0 8655 440 0 440 440 0 8 0 anonpl 24 524870 0 519442 142 77 65 70 0 184 20 amapchunkpl 152 145863 0 145245 63 33 30 36 0 158 4 amappl16 200 9367 0 9293 83 70 13 24 0 8 7 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 154 0 142 1 0 1 1 0 8 0 amappl13 176 6 0 6 2 2 0 1 0 8 0 amappl12 168 5696 0 5664 3 1 2 2 0 8 0 amappl11 160 50 0 35 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 140 0 127 1 0 1 1 0 8 0 amappl6 120 290 0 286 1 0 1 1 0 8 0 amappl5 112 192 0 182 1 0 1 1 0 8 0 amappl4 104 402 0 382 1 0 1 1 0 8 0 amappl3 96 30850 0 30725 4 0 4 4 0 8 0 amappl2 88 898 0 832 2 0 2 2 0 8 0 amappl1 80 23143 0 22565 17 1 16 16 0 8 0 amappl 88 43645 0 43452 5 0 5 5 0 92 0 dma65536 65536 3 0 3 3 3 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 1 1 1 0 8 1 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 34 0 2 1 0 1 1 0 8 0 uaddrrnd 24 4857 0 4825 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4857 0 4825 1 0 1 1 0 8 0 vmmpekpl 168 33998 0 33929 4 0 4 4 0 8 0 vmmpepl 168 290055 0 288063 146 47 99 108 0 357 7 vmsppl 456 4856 0 4825 6 1 5 5 0 8 0 rwobjpl 64 73541 0 66568 125 9 116 120 0 8 0 pdppl 4096 9722 0 9650 130 58 72 84 0 8 0 pvpl 32 19698 0 0 159 1 158 158 0 265 0 pmappl 248 4856 0 4825 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 389 0 121 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837a8ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff8399aeb0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8399aeb0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8399aeb0,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:414 msleep(ffffffff83906800,ffffffff837f79f0,0,ffffffff8343a68d,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000fffff710) at softclock_thread+0x11f sys/kern/kern_timeout.c:806 end trace frame: 0x0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff837a8ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff8399aeb0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8399aeb0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8399aeb0,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:414 msleep(ffffffff83906800,ffffffff837f79f0,0,ffffffff8343a68d,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000fffff710) at softclock_thread+0x11f sys/kern/kern_timeout.c:806 end trace frame: 0x0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at memset+0x52: repe stosq %es:(%rdi) memset() at memset+0x52 VOP_WRITE(fffffd800c9db040,ffff80002a48ca18,7,fffffd807f7d2340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806bea6850,ffff80002a48ca18,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a3b87e8,3,ffff80002a48ca18,0,ffff80002a48cad0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff80002a3b87e8,ffff80002a48cb80,ffff80002a48cad0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a48cb80) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a48cb80) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe529e1dea80, count: 8 ddb{1}> trace memset() at memset+0x52 VOP_WRITE(fffffd800c9db040,ffff80002a48ca18,7,fffffd807f7d2340) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806bea6850,ffff80002a48ca18,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a3b87e8,3,ffff80002a48ca18,0,ffff80002a48cad0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff80002a3b87e8,ffff80002a48cb80,ffff80002a48cad0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a48cb80) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a48cb80) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe529e1dea80, count: -7