panic: malloc: allocation too large, type = 2, size = 1768304430 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 122148 66014 0 0 0 0 syz-executor *100374 66014 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8303c5a3) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(69662f2e,2,2) at malloc+0xcf4 sys/kern/kern_malloc.c:330 bpf_allocbufs(ffff800001300a00) at bpf_allocbufs+0x85 sys/net/bpf.c:1667 bpf_setif(ffff800001300a00,ffff8000371fddf0) at bpf_setif+0x22a sys/net/bpf.c:1209 bpfioctl(41700,8020426c,ffff8000371fddf0,1,ffff800033f8f470) at bpfioctl+0xc42 sys/net/bpf.c:956 VOP_IOCTL(fffffd805e5cc138,8020426c,ffff8000371fddf0,1,fffffd807f7d3478,ffff800033f8f470) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806bd9e4e0,8020426c,ffff8000371fddf0,ffff800033f8f470) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800033f8f470,ffff8000371fdfd0,ffff8000371fdf20) at sys_ioctl+0x67c syscall(ffff8000371fdfd0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fdfd0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd1b6c0981b0, count: 4 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: malloc: allocation too large, type = 2, size = 1768304430 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8303c5a3) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(69662f2e,2,2) at malloc+0xcf4 sys/kern/kern_malloc.c:330 bpf_allocbufs(ffff800001300a00) at bpf_allocbufs+0x85 sys/net/bpf.c:1667 bpf_setif(ffff800001300a00,ffff8000371fddf0) at bpf_setif+0x22a sys/net/bpf.c:1209 bpfioctl(41700,8020426c,ffff8000371fddf0,1,ffff800033f8f470) at bpfioctl+0xc42 sys/net/bpf.c:956 VOP_IOCTL(fffffd805e5cc138,8020426c,ffff8000371fddf0,1,fffffd807f7d3478,ffff800033f8f470) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806bd9e4e0,8020426c,ffff8000371fddf0,ffff800033f8f470) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800033f8f470,ffff8000371fdfd0,ffff8000371fdf20) at sys_ioctl+0x67c syscall(ffff8000371fdfd0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fdfd0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd1b6c0981b0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371fd970 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff800033f8f470 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8fee921cc6324a12 r11 0x6d80833bd93ea99a r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82a55325 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371fd960 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=100374 pid=66014 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800033f8e540,0xffffffff835ce2b8 process=0xffff8000ffff04a0 user=0xffff8000371f9000, vmspace=0xfffffd806b27be28 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 66014 122148 77430 0 7 0 syz-executor *66014 100374 77430 0 7 0x4000000 syz-executor 72732 258405 85798 0 2 0 syz-executor 72732 286243 85798 0 3 0x4000080 lockf syz-executor 72732 92556 85798 0 3 0x4000080 fsleep syz-executor 72732 521092 85798 0 2 0x4000000 syz-executor 40615 119907 16255 0 2 0 syz-executor 40615 146802 16255 0 3 0x4000080 fsleep syz-executor 40615 183617 16255 0 3 0x4000080 fsleep syz-executor 52813 32612 77155 0 3 0x80 nanoslp syz-executor 52813 377618 77155 0 3 0x4000080 wsevent_read syz-executor 52813 512081 77155 0 3 0x4000080 fsleep syz-executor 21093 251834 57674 0 3 0x80 nanoslp syz-executor 21093 460069 57674 0 3 0x4000080 pipewr syz-executor 21093 457460 57674 0 3 0x4000080 fsleep syz-executor 77155 250647 40387 0 3 0x82 nanoslp syz-executor 62614 493615 0 0 3 0x14200 bored sosplice 49497 273555 1 0 3 0x100083 ttyin getty 42886 10676 0 0 3 0x14200 acct acct 41310 20482 40387 0 3 0x82 nanoslp syz-executor 85798 232385 40387 0 3 0x82 nanoslp syz-executor 96360 460034 40387 0 3 0x82 piperd syz-executor 16255 36659 40387 0 3 0x82 nanoslp syz-executor 8341 64657 40387 0 3 0x82 piperd syz-executor 57674 64179 40387 0 3 0x82 nanoslp syz-executor 77430 180071 40387 0 3 0x82 nanoslp syz-executor 40387 469914 21388 0 2 0x2 syz-executor 21388 417795 5776 0 3 0x10008a sigsusp ksh 5776 303865 40404 0 3 0x98 kqread sshd-session 40404 346625 61141 0 3 0x92 kqread sshd-session 61141 12600 1 0 3 0x88 kqread sshd 3694 233740 11483 74 3 0x1100092 bpf pflogd 11483 111170 1 0 3 0x80 sbwait pflogd 54754 365443 64922 73 3 0x1100090 kqread syslogd 64922 285092 1 0 3 0x100082 sbwait syslogd 22666 377762 1 0 3 0x100080 kqread resolvd 53492 308294 66739 77 3 0x100092 kqread dhcpleased 66792 434702 66739 77 3 0x100092 kqread dhcpleased 66739 84516 1 0 3 0x80 kqread dhcpleased 92314 446517 0 0 3 0x14200 bored smr 23178 63594 0 0 2 0x14200 zerothread 42989 318105 0 0 3 0x14200 aiodoned aiodoned 22383 301775 0 0 3 0x14200 syncer update 29081 353500 0 0 3 0x14200 cleaner cleaner 18414 184909 0 0 3 0x14200 reaper reaper 34865 299356 0 0 3 0x14200 pgdaemon pagedaemon 62906 314407 0 0 3 0x14200 bored viomb 67285 358516 0 0 3 0x40014200 acpi0 acpi0 54555 377604 0 0 3 0x40014200 idle1 48055 179147 0 0 3 0x14200 bored softnet3 5485 77469 0 0 3 0x14200 bored softnet2 81981 24401 0 0 3 0x14200 bored softnet1 50475 237786 0 0 3 0x14200 bored softnet0 4936 372507 0 0 3 0x14200 bored systqmp 87597 512160 0 0 3 0x14200 bored systq 9297 428337 0 0 3 0x14200 tmoslp softclockmp 23206 97460 0 0 3 0x40014200 tmoslp softclock 73402 399871 0 0 3 0x40014200 idle0 1 154275 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &bd->bd_mtx r = 0 (0xffff800001300a18) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 bpf_setif+0x114 sys/net/bpf.c:1208 #4 bpfioctl+0xc42 sys/net/bpf.c:956 #5 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #6 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #7 sys_ioctl+0x67c #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 66014 (syz-executor) thread 0xffff800033f8f470 (100374) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83553710) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:508 #2 sys_ioctl+0x67c #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 exclusive mutex &bd->bd_mtx r = 0 (0xffff800001300a18) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 bpf_setif+0x114 sys/net/bpf.c:1208 #4 bpfioctl+0xc42 sys/net/bpf.c:956 #5 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #6 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #7 sys_ioctl+0x67c #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10194 11133K 11971K 166960K 12019 0 pcb 17 14K 16K 166960K 145 0 rtable 221 6K 7K 166960K 409 0 pf 35 17K 273K 166960K 65 0 ifaddr 43 7K 7K 166960K 60 0 ifgroup 55 2K 2K 166960K 81 0 sysctl 2 0K 0K 166960K 2 0 counters 64 36K 36K 166960K 80 0 ioctlops 0 0K 4K 166960K 1510 0 iov 0 0K 12K 166960K 15 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1526 96K 96K 166960K 1836 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 6K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 11 0K 1K 166960K 17 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 16 57K 97K 166960K 449 0 sigio 0 0K 0K 166960K 6 0 proc 75 103K 140K 166960K 604 0 subproc 104 6K 6K 166960K 121 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 39 0 in_multi 99 7K 7K 166960K 127 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 404 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 241 73K 77K 166960K 5819 0 UVM aobj 16 4K 4K 166960K 17 0 pinsyscall 41 82K 104K 166960K 1558 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 74 0 NDP 14 0K 2K 166960K 39 0 temp 46 6820K 6886K 166960K 10344 0 kqueue 14 22K 28K 166960K 85 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 120 145 0 142 3 0 3 3 0 8 2 rtentry 112 128 0 26 4 0 4 4 0 8 0 unpcb 144 365 0 348 6 0 6 6 0 8 5 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpcb 808 172 0 168 7 0 7 7 0 8 6 arp 120 21 0 2 1 0 1 1 0 8 0 inpcb 336 658 0 649 12 0 12 12 0 8 11 nd6 136 27 0 3 1 0 1 1 0 8 0 pkpcb 40 40 0 40 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 4 0 4 1 0 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 7 0 1 1 0 1 1 0 482 0 pffrnode 88 7 0 1 1 0 1 1 0 8 0 pffrent 40 41 0 35 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 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 40 0 1 1 0 1 1 0 8 0 pfstkey 128 42 0 3 2 0 2 2 0 8 0 pfstate 376 41 0 2 4 0 4 4 0 8 0 pfrule 1344 23 0 16 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 571 0 126 31 0 31 31 0 8 3 art_table 32 572 0 126 4 0 4 4 0 8 0 art_node 16 126 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0 semapl 112 12 0 3 1 0 1 1 0 8 0 shmpl 112 14 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2103 0 597 95 0 95 95 0 8 0 ffsino 272 2103 0 597 102 0 102 102 0 8 0 nchpl 144 2736 0 1052 63 0 63 63 0 8 0 uvmvnodes 80 2567 0 0 53 0 53 53 0 8 0 vnodes 216 2567 0 0 143 0 143 143 0 8 0 namei 1024 8919 0 8919 1 0 1 1 0 8 1 percpumem 16 54 0 8 1 0 1 1 0 8 0 kstatmem 264 40 0 16 2 0 2 2 0 8 0 scxspl 216 10240 0 10240 9 4 5 8 1 8 5 plimitpl 152 138 0 119 1 0 1 1 0 8 0 sigapl 424 750 0 700 7 1 6 7 0 8 0 futexpl 64 5088 0 5083 1 0 1 1 0 8 0 knotepl 120 524 0 0 16 0 16 16 0 8 0 kqueuepl 216 104 0 94 1 0 1 1 0 8 0 pipepl 320 132 0 104 3 0 3 3 0 8 0 fdescpl 496 730 0 700 6 1 5 6 0 8 0 filepl 152 4398 0 4143 18 0 18 18 0 8 5 lockfpl 104 131 0 127 1 0 1 1 0 8 0 lockfspl 48 55 0 52 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 104 475 0 462 1 0 1 1 0 8 0 zombiepl 144 701 0 700 1 0 1 1 0 8 0 processpl 1160 750 0 700 5 1 4 5 0 8 0 procpl 648 1236 0 1176 7 1 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sockpl 664 1214 0 1185 14 0 14 14 0 8 11 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 152 0 0 19 0 19 19 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 178 0 0 11 0 11 11 0 8 0 bufpl 280 3777 0 99 263 0 263 263 0 8 0 anonpl 24 180048 0 174825 59 1 58 58 0 185 8 amapchunkpl 152 19015 0 18431 32 3 29 32 0 158 5 amappl16 200 4603 0 4541 16 0 16 16 0 8 6 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 127 0 114 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1392 0 1362 4 1 3 3 0 8 0 amappl11 160 59 0 44 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 130 0 130 1 1 0 1 0 8 0 amappl8 136 60 0 57 1 0 1 1 0 8 0 amappl7 128 113 0 101 1 0 1 1 0 8 0 amappl6 120 178 0 177 1 0 1 1 0 8 0 amappl5 112 143 0 132 1 0 1 1 0 8 0 amappl4 104 320 0 300 1 0 1 1 0 8 0 amappl3 96 3480 0 3385 3 0 3 3 0 8 0 amappl2 88 1015 0 933 3 0 3 3 0 8 1 amappl1 80 9023 0 8461 14 0 14 14 0 8 0 amappl 88 5404 0 5225 5 0 5 5 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 16 0 1 1 0 1 1 0 8 0 uaddrrnd 24 730 0 700 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 730 0 700 1 0 1 1 0 8 0 vmmpekpl 168 7357 0 7316 3 0 3 3 0 8 0 vmmpepl 168 53591 0 51731 97 0 97 97 0 357 3 vmsppl 448 729 0 700 6 2 4 5 0 8 0 rwobjpl 56 21541 0 17988 52 0 52 52 0 8 0 pdppl 4096 1467 0 1400 107 34 73 87 0 8 6 pvpl 32 16566 0 0 135 1 134 134 0 265 0 pmappl 248 729 0 700 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 407 0 39 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83455ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7d8a13107690, count: 12 ddb{0}> trace x86_ipi_db(ffffffff83455ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7d8a13107690, count: -3 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8303c5a3) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(69662f2e,2,2) at malloc+0xcf4 sys/kern/kern_malloc.c:330 bpf_allocbufs(ffff800001300a00) at bpf_allocbufs+0x85 sys/net/bpf.c:1667 bpf_setif(ffff800001300a00,ffff8000371fddf0) at bpf_setif+0x22a sys/net/bpf.c:1209 bpfioctl(41700,8020426c,ffff8000371fddf0,1,ffff800033f8f470) at bpfioctl+0xc42 sys/net/bpf.c:956 VOP_IOCTL(fffffd805e5cc138,8020426c,ffff8000371fddf0,1,fffffd807f7d3478,ffff800033f8f470) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806bd9e4e0,8020426c,ffff8000371fddf0,ffff800033f8f470) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800033f8f470,ffff8000371fdfd0,ffff8000371fdf20) at sys_ioctl+0x67c syscall(ffff8000371fdfd0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fdfd0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd1b6c0981b0, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8303c5a3) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(69662f2e,2,2) at malloc+0xcf4 sys/kern/kern_malloc.c:330 bpf_allocbufs(ffff800001300a00) at bpf_allocbufs+0x85 sys/net/bpf.c:1667 bpf_setif(ffff800001300a00,ffff8000371fddf0) at bpf_setif+0x22a sys/net/bpf.c:1209 bpfioctl(41700,8020426c,ffff8000371fddf0,1,ffff800033f8f470) at bpfioctl+0xc42 sys/net/bpf.c:956 VOP_IOCTL(fffffd805e5cc138,8020426c,ffff8000371fddf0,1,fffffd807f7d3478,ffff800033f8f470) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806bd9e4e0,8020426c,ffff8000371fddf0,ffff800033f8f470) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800033f8f470,ffff8000371fdfd0,ffff8000371fdf20) at sys_ioctl+0x67c syscall(ffff8000371fdfd0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fdfd0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd1b6c0981b0, count: -11