kernel: integer divide fault trap, code=0 Stopped at rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace rc4_keysetup(ffff80002619a31a,ffff80002619a42c,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41 pipex_mppe_init(ffff80002619a2e0,4de8,3199,ffff800000c2fa6c,4de8) at pipex_mppe_init+0x212 sys/net/pipex.c:2319 pipex_init_session(ffff80002e492848,ffff800000c2f800) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline] pipex_init_session(ffff80002e492848,ffff800000c2f800) at pipex_init_session+0x5e1 sys/net/pipex.c:385 pppacioctl(4086334,82907003,ffff800000c2f800,1,ffff8000212597b0) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1315 [inline] pppacioctl(4086334,82907003,ffff800000c2f800,1,ffff8000212597b0) at pppacioctl+0x156 sys/net/if_pppx.c:1165 VOP_IOCTL(fffffd806606d6c0,82907003,ffff800000c2f800,1,fffffd807f7d7548,ffff8000212597b0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806389b980,82907003,ffff800000c2f800,ffff8000212597b0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000212597b0,ffff80002e492b98,ffff80002e492be0) at sys_ioctl+0x4a2 syscall(ffff80002e492c60) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e492c60) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91eb2096380, count: -9 ddb{1}> show registers rdi 0xffff80002b033000 rsi 0 rbp 0xffff80002e4926d0 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0x31c846c7b6266955 r11 0x746d3de2befd904d r12 0xffff80002619a42c r13 0 r14 0xffff80002619a31a r15 0 rip 0xffffffff81b4bf7f rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002e492670 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{1}> show proc PROC (syz-executor.6) pid=320348 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff800021258550,0xffff800021259d00 process=0xffff8000fffea160 user=0xffff80002e48d000, vmspace=0xfffffd805c3cf758 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 3206 355645 68938 0 7 0 syz-executor.3 40011 320734 83758 0 2 0x4081000 syz-executor.7 40011 122280 83758 0 3 0x4003000 suspend syz-executor.7 37823 432168 26418 0 3 0x80 nanoslp syz-executor.4 37823 122672 26418 0 3 0x4000080 rest syz-executor.4 37823 74500 26418 0 3 0x4000080 netcon syz-executor.4 37823 317028 26418 0 3 0x4000080 fsleep syz-executor.4 2538 375885 53648 0 2 0 syz-executor.6 * 2538 320348 53648 0 7 0x4000000 syz-executor.6 36486 466235 55148 0 2 0 syz-executor.5 36486 427848 55148 0 3 0x4000080 fsleep syz-executor.5 64886 444379 63645 0 2 0 syz-executor.1 64886 78603 63645 0 3 0x4000080 fsleep syz-executor.1 56405 181521 60994 0 3 0x80 nanoslp syz-executor.0 56405 284597 60994 0 3 0x4000080 fsleep syz-executor.0 56405 181455 60994 0 3 0x4000080 nanoslp syz-executor.0 83758 372291 12123 0 3 0x82 nanoslp syz-executor.7 52505 101178 1 0 3 0x100083 ttyin getty 60994 322133 12123 0 3 0x82 nanoslp syz-executor.0 26418 216652 12123 0 3 0x82 nanoslp syz-executor.4 68938 236893 12123 0 3 0x82 nanoslp syz-executor.3 55148 428156 12123 0 3 0x82 nanoslp syz-executor.5 78586 462617 0 0 3 0x14200 acct acct 90859 116304 0 0 3 0x14280 nfsidl nfsio 37348 471301 0 0 3 0x14280 nfsidl nfsio 18294 288412 0 0 3 0x14280 nfsidl nfsio 34231 161955 0 0 3 0x14280 nfsidl nfsio 52721 329284 0 0 3 0x14280 nfsidl nfsio 46760 178610 0 0 3 0x14280 nfsidl nfsio 54490 406539 0 0 3 0x14280 nfsidl nfsio 75738 202466 0 0 3 0x14280 nfsidl nfsio 66508 202576 0 0 3 0x14280 nfsidl nfsio 67114 491488 0 0 3 0x14280 nfsidl nfsio 75877 419585 0 0 3 0x14280 nfsidl nfsio 52806 325698 0 0 3 0x14280 nfsidl nfsio 5299 522876 0 0 3 0x14280 nfsidl nfsio 60277 207095 0 0 3 0x14280 nfsidl nfsio 25385 133585 0 0 3 0x14280 nfsidl nfsio 24803 119133 0 0 3 0x14280 nfsidl nfsio 79869 486427 0 0 3 0x14280 nfsidl nfsio 55073 159248 0 0 3 0x14280 nfsidl nfsio 37307 331568 0 0 3 0x14280 nfsidl nfsio 31860 360017 0 0 3 0x14280 nfsidl nfsio 59665 316323 12123 0 2 0x2 syz-executor.2 67311 221488 0 0 3 0x14200 bored sosplice 53648 351634 12123 0 3 0x82 nanoslp syz-executor.6 63645 49845 12123 0 3 0x82 nanoslp syz-executor.1 12123 225642 58683 0 3 0x82 wait syz-fuzzer 12123 110575 58683 0 3 0x4000082 nanoslp syz-fuzzer 12123 58656 58683 0 3 0x4000082 thrsleep syz-fuzzer 12123 392267 58683 0 3 0x4000082 kqread syz-fuzzer 12123 2056 58683 0 3 0x4000082 thrsleep syz-fuzzer 12123 318510 58683 0 3 0x4000082 thrsleep syz-fuzzer 12123 99191 58683 0 3 0x4000082 wait syz-fuzzer 12123 352226 58683 0 3 0x4000082 wait syz-fuzzer 12123 123079 58683 0 3 0x4000082 thrsleep syz-fuzzer 12123 197276 58683 0 3 0x4000082 wait syz-fuzzer 12123 55991 58683 0 3 0x4000082 wait syz-fuzzer 12123 164930 58683 0 3 0x4000082 thrsleep syz-fuzzer 12123 248778 58683 0 3 0x4000082 thrsleep syz-fuzzer 12123 85601 58683 0 3 0x4000082 thrsleep syz-fuzzer 12123 276525 58683 0 3 0x4000082 wait syz-fuzzer 12123 124799 58683 0 3 0x4000082 wait syz-fuzzer 12123 164081 58683 0 3 0x4000082 wait syz-fuzzer 58683 428668 98541 0 3 0x10008a sigsusp ksh 98541 435221 14152 0 3 0x9a kqread sshd 14152 505508 1 0 3 0x88 kqread sshd 229 332828 235 74 3 0x1100092 bpf pflogd 235 53432 1 0 3 0x80 netio pflogd 19792 511175 81880 73 3 0x1100010 ffs_fsync syslogd 81880 481358 1 0 3 0x100082 netio syslogd 41553 468424 1 0 3 0x100080 kqread resolvd 86359 242517 59052 77 3 0x100092 kqread dhcpleased 43399 329104 59052 77 3 0x100092 kqread dhcpleased 59052 2752 1 0 3 0x80 kqread dhcpleased 57335 416783 0 0 3 0x14200 bored smr 16082 455651 0 0 2 0x14200 zerothread 18296 45454 0 0 3 0x14200 aiodoned aiodoned 60249 4825 0 0 3 0x14200 syncer update 73275 153001 0 0 3 0x14200 cleaner cleaner 7195 356977 0 0 3 0x14200 reaper reaper 94444 74815 0 0 3 0x14200 pgdaemon pagedaemon 75099 209910 0 0 3 0x14200 bored viomb 99740 190725 0 0 3 0x40014200 acpi0 acpi0 84591 467081 0 0 3 0x40014200 idle1 43052 68022 0 0 3 0x14200 bored softnet 20176 500077 0 0 3 0x14200 bored softnet 96268 478822 0 0 3 0x14200 bored softnet 11804 54579 0 0 3 0x14200 bored softnet 68849 452810 0 0 3 0x14200 bored systqmp 96678 108032 0 0 3 0x14200 bored systq 64337 406918 0 0 3 0x40014200 bored softclock 78789 204222 0 0 3 0x40014200 idle0 1 280644 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 2538 (syz-executor.6) thread 0xffff8000212597b0 (320348) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82afcd50) #0 witness_lock+0x44d #1 vn_ioctl+0x41 sys/kern/vfs_vnops.c:508 #2 sys_ioctl+0x4a2 #3 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] #3 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 19792 (syslogd) thread 0xffff8000ffff7270 (511175) exclusive rrwlock inode r = 0 (0xfffffd806e7e24e0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf5 sys/kern/vfs_syscalls.c:2935 #6 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #6 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10217 6512K 6819K 78643K 15084 0 pcb 14 16K 18K 78643K 284 0 rtable 235 21K 23K 78643K 1034 0 ifaddr 111 21K 21K 78643K 464 0 sysctl 2 0K 0K 78643K 2 0 counters 60 36K 36K 78643K 164 0 ioctlops 1 1K 4K 78643K 1980 0 iov 0 0K 20K 78643K 493 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1400 87K 88K 78643K 2750 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 35 0 VM map 2 1K 1K 78643K 2 0 sem 16 2K 3K 78643K 35 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 93K 78643K 3395 0 sigio 0 0K 0K 78643K 31 0 proc 70 91K 115K 78643K 1043 0 subproc 104 6K 6K 78643K 286 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 95 0 in_multi 87 5K 6K 78643K 313 0 ether_multi 1 0K 0K 78643K 18 0 mrt 1 0K 0K 78643K 10 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 91 413K 413K 78643K 91 0 exec 0 0K 2K 78643K 1194 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 62K 78643K 8 0 UVM amap 350 223K 238K 78643K 22719 0 UVM aobj 43 2K 2K 78643K 52 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 148 0 NDP 18 0K 1K 78643K 109 0 temp 148 4727K 5750K 78643K 66585 0 kqueue 13 20K 24K 78643K 327 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 260 0 257 3 2 1 3 0 8 0 rtentry 112 277 0 185 4 0 4 4 0 8 0 unpcb 144 2516 0 2499 33 32 1 6 0 8 0 syncache 296 30 0 30 10 10 0 1 0 8 0 tcpqe 32 73 0 73 7 7 0 1 0 8 0 tcpcb 768 2359 0 2349 85 83 2 15 0 8 0 arp 120 46 0 32 1 0 1 1 0 8 0 inpcb 368 4438 0 4427 70 68 2 19 0 8 0 nd6 48 69 0 50 1 0 1 1 0 8 0 pkpcb 40 17 0 17 4 3 1 1 0 8 1 kcovpl 48 22 0 14 1 0 1 1 0 8 0 mppekey 1024 1 0 0 1 0 1 1 0 8 0 ppxss 1256 30 0 28 6 5 1 1 0 8 0 pfstscr 40 7 0 3 1 0 1 1 0 8 0 pffrag 232 11 0 9 3 2 1 1 0 482 0 pffrnode 88 11 0 9 3 2 1 1 0 8 0 pffrent 40 23 0 21 3 2 1 1 0 8 0 pfosfp 40 1431 0 1007 5 0 5 5 0 8 0 pfosfpen 112 1431 0 716 21 0 21 21 0 8 0 pfrktable 1344 53 0 44 2 1 1 2 0 8 0 pfanchor 1280 300 0 20 24 0 24 24 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 39 0 31 1 0 1 1 0 8 0 pfstkey 120 45 0 39 1 0 1 1 0 8 0 pfstate 336 40 0 34 3 2 1 3 0 8 0 pfrule 1360 128 0 107 3 1 2 2 0 8 0 rttmr 136 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1186 0 774 35 9 26 29 0 8 0 art_table 32 1187 0 774 4 0 4 4 0 8 0 art_node 16 276 0 192 1 0 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 26 0 12 1 0 1 1 0 8 0 shmpl 112 49 0 12 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5666 0 4222 91 0 91 91 0 8 0 ffsino 272 5666 0 4222 97 0 97 97 0 8 0 nchpl 144 10206 0 8553 63 0 63 63 0 8 0 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 35772 0 35772 3 2 1 2 0 8 1 percpumem 16 94 0 52 1 0 1 1 0 8 0 vcpupl 2048 14 0 0 2 0 2 2 0 8 0 vmpool 568 14 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 26 0 9 1 0 1 1 0 8 0 kstatmem 264 126 0 92 5 2 3 3 0 8 0 scsiplug 72 8 0 8 2 2 0 1 0 8 0 scxspl 216 37488 0 37487 15 14 1 8 0 8 0 plimitpl 152 876 0 861 1 0 1 1 0 8 0 sigapl 424 3695 0 3626 10 2 8 8 0 8 0 futexpl 64 27462 0 27458 3 2 1 1 0 8 0 knotepl 120 586 0 0 17 0 17 17 0 8 0 kqueuepl 216 563 0 552 6 5 1 6 0 8 0 pipepl 320 644 0 615 21 18 3 8 0 8 0 fdescpl 496 3655 0 3625 5 1 4 5 0 8 0 filepl 152 24585 0 24334 52 41 11 18 0 8 0 lockfpl 104 710 0 708 2 1 1 2 0 8 0 lockfspl 48 243 0 241 1 0 1 1 0 8 0 sessionpl 144 39 0 22 1 0 1 1 0 8 0 pgrppl 48 67 0 50 1 0 1 1 0 8 0 ucredpl 104 2593 0 2581 1 0 1 1 0 8 0 zombiepl 144 3627 0 3626 2 1 1 1 0 8 0 processpl 1064 3695 0 3626 5 0 5 5 0 8 0 procpl 672 10494 0 10399 13 4 9 10 0 8 0 srpgc 96 23 0 23 7 6 1 1 0 8 1 sosppl 168 15 0 15 4 3 1 1 0 8 1 sockpl 488 7233 0 7202 173 164 9 28 0 8 4 mcl64k 65536 13 0 0 2 0 2 2 0 8 0 mcl16k 16384 16 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 10 0 0 1 0 1 1 0 8 0 mcl8k 8192 22 0 0 3 0 3 3 0 8 0 mcl4k 4096 28 0 0 4 0 4 4 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 433 0 0 54 1 53 54 0 8 1 mtagpl 96 237 0 0 5 0 5 5 0 8 0 mbufpl 256 770 0 0 36 0 36 36 0 8 0 bufpl 288 10030 0 3701 453 0 453 453 0 8 0 anonpl 24 739594 0 722857 176 43 133 136 0 186 19 amapchunkpl 152 66318 0 65541 72 28 44 44 0 158 6 amappl16 200 8649 0 8089 52 22 30 39 0 8 0 amappl15 192 1249 0 1240 1 0 1 1 0 8 0 amappl14 184 630 0 621 1 0 1 1 0 8 0 amappl13 176 422 0 420 1 0 1 1 0 8 0 amappl12 168 279 0 271 1 0 1 1 0 8 0 amappl11 160 466 0 446 1 0 1 1 0 8 0 amappl10 152 80 0 75 1 0 1 1 0 8 0 amappl9 144 933 0 930 1 0 1 1 0 8 0 amappl8 136 1540 0 1455 3 0 3 3 0 8 0 amappl7 128 834 0 811 1 0 1 1 0 8 0 amappl6 120 745 0 730 2 1 1 2 0 8 0 amappl5 112 2230 0 2210 1 0 1 1 0 8 0 amappl4 104 2132 0 2102 2 1 1 2 0 8 0 amappl3 96 11247 0 11182 2 0 2 2 0 8 0 amappl2 88 1159 0 1115 5 3 2 2 0 8 0 amappl1 80 93147 0 92432 22 6 16 20 0 8 0 amappl 88 21873 0 21659 9 3 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 51 0 9 1 0 1 1 0 8 0 uaddrrnd 24 3671 0 3627 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3671 0 3627 1 0 1 1 0 8 0 vmmpekpl 168 34233 0 34166 4 0 4 4 0 8 0 vmmpepl 168 361104 0 358344 214 61 153 153 0 357 27 vmsppl 368 3670 0 3627 6 1 5 5 0 8 0 rwobjpl 56 96851 0 89192 111 2 109 109 0 8 0 pdppl 4096 7349 0 7268 257 174 83 84 0 8 2 pvpl 32 1613257 0 1591456 381 139 242 252 0 265 51 pmappl 248 3670 0 3627 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1135 0 265 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8293dff0) at x86_ipi_db+0x1a 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+0x23 __mp_lock(ffffffff82afcb48) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82afcb48) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000261a0010,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82afcb48) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82afcb48) at __mp_lock+0x133 sys/kern/kern_lock.c:147 syscall(ffff8000261a01f0) at syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline] syscall(ffff8000261a01f0) at syscall+0x41d sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff4b70, count: -10 ddb{0}> machine ddbcpu 1 Stopped at rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{1}> trace rc4_keysetup(ffff80002619a31a,ffff80002619a42c,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41 pipex_mppe_init(ffff80002619a2e0,4de8,3199,ffff800000c2fa6c,4de8) at pipex_mppe_init+0x212 sys/net/pipex.c:2319 pipex_init_session(ffff80002e492848,ffff800000c2f800) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline] pipex_init_session(ffff80002e492848,ffff800000c2f800) at pipex_init_session+0x5e1 sys/net/pipex.c:385 pppacioctl(4086334,82907003,ffff800000c2f800,1,ffff8000212597b0) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1315 [inline] pppacioctl(4086334,82907003,ffff800000c2f800,1,ffff8000212597b0) at pppacioctl+0x156 sys/net/if_pppx.c:1165 VOP_IOCTL(fffffd806606d6c0,82907003,ffff800000c2f800,1,fffffd807f7d7548,ffff8000212597b0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806389b980,82907003,ffff800000c2f800,ffff8000212597b0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000212597b0,ffff80002e492b98,ffff80002e492be0) at sys_ioctl+0x4a2 syscall(ffff80002e492c60) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e492c60) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91eb2096380, count: -9