Warning: Permanently added '10.128.0.144' (ED25519) to the list of known hosts. executing program kernel: integer divide fault trap, code=0 Stopped at rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace rc4_keysetup(ffff80002126245a,ffff80002126256c,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff800021262420,ffffe089,4b9d,ffff800000ba2a80,0) at pipex_mppe_init+0x212 pipex_init_session(ffff8000212af0f8,ffff800000ba2800) at pipex_init_session+0x637 pppacioctl(4086337,82907003,ffff800000ba2800,1,ffff800021232fc8) at pppacioctl+0x156 VOP_IOCTL(fffffd80706817a0,82907003,ffff800000ba2800,1,fffffd807f7d77b8,ffff800021232fc8) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5c3b58,82907003,ffff800000ba2800,ffff800021232fc8) at vn_ioctl+0xbc sys_ioctl(ffff800021232fc8,ffff8000212af448,ffff8000212af490) at sys_ioctl+0x4a2 syscall(ffff8000212af510) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcb740, count: -9 ddb{0}> show registers rdi 0xffff80002126245a rsi 0 rbp 0xffff8000212aef80 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0x99604393d54e3caf r11 0x6cc2b10ae98e08b r12 0xffff80002126256c r13 0 r14 0xffff80002126245a r15 0 rip 0xffffffff8123037f rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000212aef20 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{0}> show proc PROC (syz-executor3560387480) pid=276593 stat=onproc flags process=2 proc=0 pri=17, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021232548,0xffffffff82b38d38 process=0xffff800021298438 user=0xffff8000212aa000, vmspace=0xfffffd806eef9008 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *80098 276593 77180 0 7 0x2 syz-executor3560387480 77180 110144 49815 0 3 0x10008a sigsusp ksh 49815 508038 67829 0 3 0x9a kqread sshd 78966 230295 1 0 3 0x100083 ttyin getty 67829 312271 1 0 3 0x88 kqread sshd 15602 277058 87192 74 3 0x1100092 bpf pflogd 87192 409048 1 0 3 0x80 netio pflogd 34083 435642 24939 73 3 0x1100090 kqread syslogd 24939 523476 1 0 3 0x100082 netio syslogd 53664 412711 1 0 3 0x100080 kqread resolvd 35511 822 94126 77 3 0x100092 kqread dhcpleased 83914 468828 94126 77 3 0x100092 kqread dhcpleased 94126 175791 1 0 3 0x80 kqread dhcpleased 88919 325857 0 0 3 0x14200 bored smr 8439 233212 0 0 3 0x14200 pgzero zerothread 57249 482013 0 0 3 0x14200 aiodoned aiodoned 70070 495043 0 0 3 0x14200 syncer update 98270 204269 0 0 3 0x14200 cleaner cleaner 15989 280377 0 0 3 0x14200 reaper reaper 88045 375245 0 0 3 0x14200 pgdaemon pagedaemon 6688 154653 0 0 3 0x14200 bored viomb 16225 454892 0 0 3 0x40014200 acpi0 acpi0 9029 190544 0 0 7 0x40014200 idle1 58898 78866 0 0 3 0x14200 bored softnet 24875 489704 0 0 3 0x14200 bored softnet 86954 171105 0 0 3 0x14200 bored softnet 18523 466071 0 0 3 0x14200 bored softnet 10413 197084 0 0 3 0x14200 bored systqmp 17210 354989 0 0 3 0x14200 bored systq 80048 81854 0 0 3 0x40014200 bored softclock 1813 308658 0 0 3 0x40014200 idle0 1 156711 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 80098 (syz-executor3560387480) thread 0xffff800021232fc8 (276593) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829e7308) #0 witness_lock+0x44d #1 vn_ioctl+0x41 #2 sys_ioctl+0x4a2 #3 syscall+0x4c3 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10158 6457K 6457K 78643K 11248 0 pcb 13 8K 8K 78643K 13 0 rtable 58 1K 2K 78643K 107 0 ifaddr 34 8K 8K 78643K 37 0 counters 44 34K 34K 78643K 44 0 ioctlops 1 1K 4K 78643K 1480 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1168 73K 73K 78643K 1181 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 1 0K 0K 78643K 1 0 proc 67 91K 91K 78643K 282 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 431 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 58 3K 5K 78643K 1524 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 5 0K 0K 78643K 5 0 temp 25 4709K 4773K 78643K 2500 0 kqueue 11 16K 18K 78643K 24 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 17 0 14 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 144 35 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 320 32 0 26 1 0 1 1 0 8 0 ppxss 1256 2 0 0 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 8 0 0 1 0 1 1 0 8 0 pfstkey 120 8 0 0 1 0 1 1 0 8 0 pfstate 336 8 0 0 1 0 1 1 0 8 0 pfrule 1360 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 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1426 0 40 87 0 87 87 0 8 0 ffsino 272 1426 0 40 93 0 93 93 0 8 0 nchpl 144 1612 0 48 58 0 58 58 0 8 0 uvmvnodes 80 1436 0 0 30 0 30 30 0 8 0 vnodes 216 1436 0 0 80 0 80 80 0 8 0 namei 1024 4385 0 4385 2 1 1 1 0 8 1 percpumem 16 34 0 0 1 0 1 1 0 8 0 kstatmem 264 10 0 0 1 0 1 1 0 8 0 scxspl 216 3822 0 3822 2 1 1 2 0 8 1 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 322 0 290 5 1 4 5 0 8 0 knotepl 120 44 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 320 86 0 83 2 1 1 1 0 8 0 fdescpl 496 305 0 290 3 0 3 3 0 8 0 filepl 152 1183 0 1124 3 0 3 3 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 104 69 0 57 1 0 1 1 0 8 0 zombiepl 144 290 0 290 2 1 1 1 0 8 1 processpl 1064 322 0 290 3 0 3 3 0 8 0 procpl 672 322 0 290 4 1 3 4 0 8 0 sockpl 488 84 0 60 5 1 4 4 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 74 0 0 9 0 9 9 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 122 0 0 8 0 8 8 0 8 0 bufpl 288 1986 0 83 136 0 136 136 0 8 0 anonpl 24 37420 0 35427 18 4 14 15 0 186 1 amapchunkpl 152 2744 0 2647 6 2 4 6 0 158 0 amappl16 200 31 0 30 2 1 1 1 0 8 0 amappl15 192 67 0 63 1 0 1 1 0 8 0 amappl13 176 34 0 33 2 1 1 1 0 8 0 amappl12 168 3 0 3 2 1 1 1 0 8 1 amappl11 160 66 0 49 1 0 1 1 0 8 0 amappl10 152 2 0 1 1 0 1 1 0 8 0 amappl9 144 473 0 470 1 0 1 1 0 8 0 amappl8 136 365 0 364 2 1 1 1 0 8 0 amappl7 128 68 0 61 1 0 1 1 0 8 0 amappl6 120 89 0 83 1 0 1 1 0 8 0 amappl5 112 91 0 78 1 0 1 1 0 8 0 amappl4 104 631 0 611 1 0 1 1 0 8 0 amappl3 96 443 0 418 1 0 1 1 0 8 0 amappl2 88 312 0 283 1 0 1 1 0 8 0 amappl1 80 9502 0 9083 12 2 10 10 0 8 0 amappl 88 1242 0 1202 2 0 2 2 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 305 0 290 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 305 0 290 1 0 1 1 0 8 0 vmmpekpl 168 6268 0 6252 1 0 1 1 0 8 0 vmmpepl 168 26899 0 26036 46 4 42 42 0 357 1 vmsppl 368 304 0 290 2 0 2 2 0 8 0 rwobjpl 56 9660 0 7649 31 1 30 30 0 8 1 pdppl 4096 617 0 580 57 20 37 45 0 8 0 pvpl 32 126062 0 122091 40 5 35 35 0 265 2 pmappl 248 304 0 290 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 414 0 24 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace rc4_keysetup(ffff80002126245a,ffff80002126256c,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff800021262420,ffffe089,4b9d,ffff800000ba2a80,0) at pipex_mppe_init+0x212 pipex_init_session(ffff8000212af0f8,ffff800000ba2800) at pipex_init_session+0x637 pppacioctl(4086337,82907003,ffff800000ba2800,1,ffff800021232fc8) at pppacioctl+0x156 VOP_IOCTL(fffffd80706817a0,82907003,ffff800000ba2800,1,fffffd807f7d77b8,ffff800021232fc8) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5c3b58,82907003,ffff800000ba2800,ffff800021232fc8) at vn_ioctl+0xbc sys_ioctl(ffff800021232fc8,ffff8000212af448,ffff8000212af490) at sys_ioctl+0x4a2 syscall(ffff8000212af510) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcb740, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sched_idle(ffff800020dd8ff0) at sched_idle+0x417 end trace frame: 0x0, count: -5 ddb{1}>