kernel: protection fault trap, code=0 Stopped at ktrops+0x4f: movq 0x8(%r14),%r14 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace ktrops(ffff80002bca6010,deadbeefdeadbeef,0,80000310,fffffd8069192370,fffffd807f7d7750) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002bca6010,deadbeefdeadbeef,0,80000310,fffffd8069192370,fffffd807f7d7750) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd8069192370,4,310,0,ffff80002bca6010) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8069192370,4,310,0,ffff80002bca6010) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002bca6010,ffff8000374227c0,ffff800037422720) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff8000374227c0) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff8000374227c0) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2098110a00, count: -5 ddb{0}> show registers rdi 0xffff80002bca6010 rsi 0xdeadbeefdeadbeef rbp 0xffff8000374224e0 rbx 0xfffffd807f7d7750 rdx 0 rcx 0xffff80002bca6010 rax 0xffffffff82cc1ff0 cpu_info_full_primary+0x1ff0 r8 0xfffffd8069192370 r9 0xfffffd807f7d7750 r10 0x797f1c21618d10b9 r11 0x6203391e65b10152 r12 0xffff80002bca6010 r13 0xdeadbeefdeadbeef r14 0xdeadbeefdeadbeef r15 0x80000310 __kernel_virt_to_phys+0x310 rip 0xffffffff81d8656f ktrops+0x4f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800037422460 ss 0x10 ktrops+0x4f: movq 0x8(%r14),%r14 ddb{0}> show proc PROC (syz-executor.2) tid=325596 pid=52060 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=82, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002bca62b8,0xffff80002bca6d68 process=0xffff800037424908 user=0xffff80003741d000, vmspace=0xfffffd806970a020 estcpu=32, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 52060 278090 54279 0 2 0 syz-executor.2 *52060 325596 54279 0 7 0x4000000 syz-executor.2 27672 55621 72581 0 2 0 syz-executor.1 27672 212453 72581 0 7 0x4000001 syz-executor.1 10790 19700 39740 0 2 0 syz-executor.4 10790 111232 39740 0 3 0x4000080 fsleep syz-executor.4 10790 138429 39740 0 3 0x4000080 fsleep syz-executor.4 76097 128730 73375 0 2 0 syz-executor.7 76097 218419 73375 0 3 0x4000080 pipewr syz-executor.7 76097 353050 73375 0 2 0x4000000 syz-executor.7 76097 415022 73375 0 3 0x4000080 fsleep syz-executor.7 26277 497743 95846 0 2 0x480 syz-executor.0 26277 116059 95846 0 3 0x4000080 fsleep syz-executor.0 59164 504820 95372 0 2 0x480 syz-executor.6 59164 303855 95372 0 3 0x4000080 nanoslp syz-executor.6 59164 71277 95372 0 3 0x4000080 fsleep syz-executor.6 99274 216838 0 0 3 0x14200 acct acct 19831 148309 0 0 3 0x14200 bored sosplice 27956 243231 0 0 3 0x14280 nfsidl nfsio 953 157847 0 0 3 0x14280 nfsidl nfsio 10611 95150 0 0 3 0x14280 nfsidl nfsio 29261 480453 0 0 3 0x14280 nfsidl nfsio 92100 344428 0 0 3 0x14280 nfsidl nfsio 69988 126645 0 0 3 0x14280 nfsidl nfsio 52954 354541 0 0 3 0x14280 nfsidl nfsio 59620 229851 0 0 3 0x14280 nfsidl nfsio 15696 257874 0 0 3 0x14280 nfsidl nfsio 25714 507361 0 0 3 0x14280 nfsidl nfsio 43636 169669 0 0 3 0x14280 nfsidl nfsio 99857 343942 0 0 3 0x14280 nfsidl nfsio 92255 27183 0 0 3 0x14280 nfsidl nfsio 26075 163601 0 0 3 0x14280 nfsidl nfsio 96504 94843 0 0 3 0x14280 nfsidl nfsio 76067 201353 0 0 3 0x14280 nfsidl nfsio 34772 170282 0 0 3 0x14280 nfsidl nfsio 63155 76199 0 0 3 0x14280 nfsidl nfsio 89320 416777 0 0 3 0x14280 nfsidl nfsio 11215 397107 0 0 3 0x14280 nfsidl nfsio 73375 444375 97452 0 3 0x82 nanoslp syz-executor.7 95372 163146 97452 0 2 0x482 syz-executor.6 54279 263786 97452 0 3 0x82 nanoslp syz-executor.2 39740 61234 97452 0 2 0x482 syz-executor.4 72581 72569 97452 0 3 0x82 nanoslp syz-executor.1 30058 395275 97452 0 2 0x2 syz-executor.3 95846 287531 97452 0 3 0x82 nanoslp syz-executor.0 97452 46693 21516 0 3 0x1a000082 wait syz-fuzzer 97452 370900 21516 0 2 0x1e000002 syz-fuzzer 97452 388924 21516 0 3 0x1e000082 thrsleep syz-fuzzer 97452 288631 21516 0 3 0x1e000082 wait syz-fuzzer 97452 182463 21516 0 3 0x1e000082 wait syz-fuzzer 97452 388471 21516 0 3 0x1e000082 thrsleep syz-fuzzer 97452 265763 21516 0 3 0x1e000082 thrsleep syz-fuzzer 97452 491835 21516 0 3 0x1e000082 wait syz-fuzzer 97452 504152 21516 0 2 0x1e000002 syz-fuzzer 97452 324234 21516 0 3 0x1e000082 wait syz-fuzzer 97452 321950 21516 0 3 0x1e000082 thrsleep syz-fuzzer 97452 443224 21516 0 3 0x1e000082 thrsleep syz-fuzzer 97452 242784 21516 0 3 0x1e000082 wait syz-fuzzer 97452 238408 21516 0 3 0x1e000082 wait syz-fuzzer 97452 94383 21516 0 3 0x1e000082 thrsleep syz-fuzzer 21516 352851 37832 0 3 0x810008a sigsusp ksh 37832 482732 45540 0 3 0x1800009a kqread sshd 24041 345775 1 0 3 0x18100083 ttyin getty 45540 106781 1 0 3 0x18000088 kqread sshd 40915 165948 62178 74 3 0x19100092 bpf pflogd 62178 67534 1 0 3 0x18000080 netio pflogd 65425 140187 82768 73 3 0x19100090 kqread syslogd 82768 169189 1 0 3 0x18100082 netio syslogd 13554 469582 1 0 3 0x18100080 kqread resolvd 10642 40096 90506 77 3 0x18100092 kqread dhcpleased 15725 482148 90506 77 3 0x18100092 kqread dhcpleased 90506 213496 1 0 3 0x18000080 kqread dhcpleased 14989 323861 0 0 3 0x14200 bored smr 19326 48665 0 0 2 0x14200 zerothread 47279 298652 0 0 3 0x14200 aiodoned aiodoned 44437 292773 0 0 3 0x14200 syncer update 50755 36364 0 0 3 0x14200 cleaner cleaner 47814 234237 0 0 3 0x14200 reaper reaper 86628 472708 0 0 3 0x14200 pgdaemon pagedaemon 34474 417184 0 0 3 0x14200 bored viomb 28914 85713 0 0 3 0x40014200 acpi0 acpi0 77949 154139 0 0 3 0x40014200 idle1 8025 323594 0 0 3 0x14200 bored softnet3 90308 395486 0 0 3 0x14200 bored softnet2 86045 110234 0 0 3 0x14200 bored softnet1 56353 324873 0 0 3 0x14200 bored softnet0 16121 77186 0 0 3 0x14200 bored systqmp 79288 448629 0 0 3 0x14200 bored systq 59525 281689 0 0 3 0x14200 tmoslp softclockmp 85713 55458 0 0 2 0x40014200 softclock 59136 451747 0 0 3 0x40014200 idle0 1 149953 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 52060 (syz-executor.2) thread 0xffff80002bca6010 (325596) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d60cf8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x494 sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19d sys/kern/kern_synch.c:414 #4 biowait+0x91 sys/kern/vfs_bio.c:1254 #5 bwrite+0x1fb sys/kern/vfs_bio.c:766 #6 ffs_update+0x27f sys/ufs/ffs/ffs_inode.c:111 #7 ffs_truncate+0x987 #8 ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 #9 VOP_INACTIVE+0xc5 sys/kern/vfs_vops.c:489 #10 vrele+0xd2 sys/kern/vfs_subr.c:827 #11 ktrsettrace+0xb6 sys/kern/kern_ktrace.c:122 #12 ktrops+0x1ae sys/kern/kern_ktrace.c:564 #13 doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] #13 doktrace+0x514 sys/kern/kern_ktrace.c:508 #14 sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 #15 syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] #15 syscall+0x53b sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 Process 27672 (syz-executor.1) thread 0xffff80002bca52c8 (212453) exclusive rrwlock inode r = 0 (0xfffffd806e9a6a38) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32a sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8e sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ktrwriteraw+0x13c sys/kern/kern_ktrace.c:679 #7 ktrstruct+0x16c ktrwrite2 sys/kern/kern_ktrace.c:645 [inline] #7 ktrstruct+0x16c sys/kern/kern_ktrace.c:308 #8 sys_kevent+0x2ac sys/kern/kern_event.c:1022 #9 syscall+0x5b5 mi_syscall sys/sys/syscall_mi.h:183 [inline] #9 syscall+0x5b5 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10183 6473K 6859K 166960K 13221 0 pcb 15 11K 12K 166960K 82 0 rtable 192 5K 6K 166960K 355 0 pf 28 8K 10K 166960K 43 0 ifaddr 37 14K 15K 166960K 47 0 ifgroup 47 2K 2K 166960K 55 0 counters 60 35K 36K 166960K 64 0 ioctlops 0 0K 4K 166960K 1505 0 iov 0 0K 16K 166960K 35 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1427 90K 90K 166960K 1832 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 37 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 81K 166960K 717 0 proc 68 91K 115K 166960K 548 0 subproc 91 5K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 16 0 in_multi 77 5K 7K 166960K 109 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 414 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 350 122K 131K 166960K 9388 0 UVM aobj 131 4K 4K 166960K 131 0 pinsyscall 26 52K 108K 166960K 1235 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 22 0 NDP 10 0K 2K 166960K 28 0 temp 71 6811K 6884K 166960K 6627 0 kqueue 12 18K 24K 166960K 66 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 45 0 42 1 0 1 1 0 8 0 rtentry 112 113 0 24 4 0 4 4 0 8 0 unpcb 144 474 0 457 8 7 1 8 0 8 0 syncache 336 7 0 7 2 2 0 1 0 8 0 tcpqe 32 223 0 223 3 3 0 1 0 8 0 tcpcb 808 171 0 166 8 6 2 8 0 8 1 arp 120 18 0 4 1 0 1 1 0 8 0 inpcb 392 410 0 402 12 10 2 12 0 8 1 nd6 136 26 0 7 1 0 1 1 0 8 0 kcovpl 48 8 0 1 1 0 1 1 0 8 0 pffrag 232 4 0 2 1 0 1 1 0 482 0 pffrnode 88 4 0 2 1 0 1 1 0 8 0 pffrent 40 6 0 4 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 34 0 19 1 0 1 1 0 8 0 pfstkey 128 34 0 19 1 0 1 1 0 8 0 pfstate 376 34 0 19 4 0 4 4 0 8 1 pfrule 1344 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 256 466 0 90 29 3 26 29 0 8 0 art_table 32 467 0 90 4 0 4 4 0 8 0 art_node 16 112 0 31 1 0 1 1 0 8 0 sysvmsgpl 40 44 0 40 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 34 0 24 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2334 0 810 96 0 96 96 0 8 0 ffsino 272 2334 0 810 102 0 102 102 0 8 0 nchpl 144 3363 0 1630 67 0 67 67 0 8 0 uvmvnodes 80 2851 0 0 59 0 59 59 0 8 0 vnodes 216 2851 0 0 159 0 159 159 0 8 0 namei 1024 12166 0 12166 2 1 1 2 0 8 1 percpumem 16 46 0 2 1 0 1 1 0 8 0 vcpupl 2048 3 0 0 1 0 1 1 0 8 0 vmpool 696 3 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 4 2 0 2 2 0 8 0 scxspl 216 12079 0 12079 10 9 1 8 1 8 1 plimitpl 152 54 0 39 1 0 1 1 0 8 0 sigapl 424 1052 0 984 8 0 8 8 0 8 0 futexpl 64 5326 0 5321 1 0 1 1 0 8 0 knotepl 120 114 0 0 4 0 4 4 0 8 0 kqueuepl 216 114 0 105 3 2 1 3 0 8 0 pipepl 320 185 0 159 3 0 3 3 0 8 0 fdescpl 496 1012 0 984 5 1 4 5 0 8 0 filepl 152 5207 0 4979 20 8 12 18 0 8 2 lockfpl 104 265 0 261 2 0 2 2 0 8 1 lockfspl 48 133 0 129 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 32 0 16 1 0 1 1 0 8 0 ucredpl 104 559 0 547 1 0 1 1 0 8 0 zombiepl 144 984 0 984 1 0 1 1 0 8 1 processpl 1136 1052 0 984 6 0 6 6 0 8 0 procpl 680 2155 0 2063 10 1 9 9 0 8 0 srpgc 96 4 0 4 1 1 0 1 0 8 0 sosppl 168 3 0 3 1 1 0 1 0 8 0 sockpl 584 933 0 905 16 13 3 16 0 8 0 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 9 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 12 0 0 2 0 2 2 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 275 0 0 35 0 35 35 0 8 0 mtagpl 96 134 0 0 4 0 4 4 0 8 0 mbufpl 256 566 0 0 34 0 34 34 0 8 0 bufpl 280 5332 0 171 369 0 369 369 0 8 0 anonpl 24 250788 0 237985 112 20 92 109 0 186 0 amapchunkpl 152 29883 0 28966 41 3 38 40 0 158 1 amappl16 200 6765 0 6351 36 13 23 34 0 8 1 amappl15 192 42 0 38 1 0 1 1 0 8 0 amappl14 184 174 0 160 2 1 1 2 0 8 0 amappl13 176 24 0 23 1 0 1 1 0 8 0 amappl12 168 1675 0 1646 3 1 2 2 0 8 0 amappl11 160 125 0 111 1 0 1 1 0 8 0 amappl10 152 49 0 39 1 0 1 1 0 8 0 amappl9 144 180 0 179 3 2 1 1 0 8 0 amappl8 136 180 0 127 2 0 2 2 0 8 0 amappl7 128 76 0 64 1 0 1 1 0 8 0 amappl6 120 326 0 309 2 1 1 2 0 8 0 amappl5 112 183 0 168 1 0 1 1 0 8 0 amappl4 104 548 0 511 3 1 2 3 0 8 0 amappl3 96 6204 0 6114 3 0 3 3 0 8 0 amappl2 88 1433 0 1359 4 2 2 4 0 8 0 amappl1 80 11763 0 11221 23 10 13 23 0 8 0 amappl 88 8801 0 8564 6 0 6 6 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 1015 0 984 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1015 0 984 1 0 1 1 0 8 0 vmmpekpl 168 12417 0 12357 4 1 3 3 0 8 0 vmmpepl 168 83640 0 81344 135 21 114 135 0 357 11 vmsppl 448 1014 0 984 5 1 4 4 0 8 0 rwobjpl 56 30823 0 26347 67 3 64 64 0 8 0 pdppl 4096 2037 0 1971 122 50 72 77 0 8 6 pvpl 32 48860 0 0 397 2 395 396 0 265 0 pmappl 248 1014 0 984 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 475 0 79 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ktrops(ffff80002bca6010,deadbeefdeadbeef,0,80000310,fffffd8069192370,fffffd807f7d7750) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002bca6010,deadbeefdeadbeef,0,80000310,fffffd8069192370,fffffd807f7d7750) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd8069192370,4,310,0,ffff80002bca6010) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8069192370,4,310,0,ffff80002bca6010) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002bca6010,ffff8000374227c0,ffff800037422720) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff8000374227c0) at syscall+0x53b mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff8000374227c0) at syscall+0x53b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2098110a00, count: -5 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d60af0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d60af0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82d60af0,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x494 sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19d sys/kern/kern_synch.c:414 biowait(fffffd807592c270) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd807592c270) at bwrite+0x1fb sys/kern/vfs_bio.c:766 ffs2_balloc(fffffd806e9a69a0,30000,d5,fffffd807f7d7750,1,ffff80002f0d1e28) at ffs2_balloc+0xa89 sys/ufs/ffs/ffs_balloc.c:593 ffs_write(ffff80002f0d1eb0) at ffs_write+0x3c7 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd8069192370,ffff80002f0d1f68,3,fffffd807f7d7750) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002bca52c8,fffffd8069192370,fffffd807f7d7750,ffff80002f0d2038,ffff80002f0d2010) at ktrwriteraw+0x16b sys/kern/kern_ktrace.c:682 ktrstruct(ffff80002bca52c8,ffffffff82957a96,ffff80002f0d21f0,100) at ktrstruct+0x16c ktrwrite2 sys/kern/kern_ktrace.c:645 [inline] ktrstruct(ffff80002bca52c8,ffffffff82957a96,ffff80002f0d21f0,100) at ktrstruct+0x16c sys/kern/kern_ktrace.c:308 sys_kevent(ffff80002bca52c8,ffff80002f0d2480,ffff80002f0d23e0) at sys_kevent+0x2ac sys/kern/kern_event.c:1022 syscall(ffff80002f0d2480) at syscall+0x5b5 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002f0d2480) at syscall+0x5b5 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6c927404e80, count: -17