Warning: Permanently added '10.128.10.19' (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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace rc4_keysetup(ffff80002174eef2,ffff80002174f004,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002174eed8,ffffde57,e02,ffff800000b98a6c,ffffde57) at pipex_mppe_init+0x207 pipex_init_session(ffff80002174b6e8,ffff800000b98800) at pipex_init_session+0x5d6 pppacioctl(4086334,82907003,ffff800000b98800,1,ffff8000ffff9a48) at pppacioctl+0x156 VOP_IOCTL(fffffd806fffcbd8,82907003,ffff800000b98800,1,fffffd807f7d7820,ffff8000ffff9a48) at VOP_IOCTL+0x8d vn_ioctl(fffffd8070170800,82907003,ffff800000b98800,ffff8000ffff9a48) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff9a48,ffff80002174ba38,ffff80002174ba90) at sys_ioctl+0x49e syscall(ffff80002174bb00) at syscall+0x447 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd44c0, count: -9 ddb> show registers rdi 0xffff80002174eef2 rsi 0 rbp 0xffff80002174b570 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0xc19eba30d6ad85fc r11 0x5e93a88b8769aac0 r12 0xffff80002174f004 r13 0 r14 0xffff80002174eef2 r15 0 rip 0xffffffff8166a3af rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002174b510 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb> show proc PROC (syz-executor4048723582) pid=83826 stat=onproc flags process=2 proc=0 pri=51, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff97a8,0xffffffff82ab8ba8 process=0xffff8000217127e8 user=0xffff800021746000, vmspace=0xfffffd807f016110 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *41532 83826 18900 0 7 0x2 syz-executor4048723582 18900 233848 16975 0 3 0x10008a sigsusp ksh 16975 81789 72232 0 3 0x9a kqread sshd 64280 313422 1 0 3 0x100083 ttyin getty 72232 277062 1 0 3 0x88 kqread sshd 44913 14511 59508 73 3 0x1100090 kqread syslogd 59508 431647 1 0 3 0x100082 netio syslogd 40681 27099 1 0 3 0x100080 kqread resolvd 82560 216935 57823 77 3 0x100092 kqread dhcpleased 2888 442743 57823 77 3 0x100092 kqread dhcpleased 57823 100487 1 0 3 0x80 kqread dhcpleased 801 176559 0 0 3 0x14200 bored smr 51040 500413 0 0 3 0x14200 pgzero zerothread 7441 93440 0 0 3 0x14200 aiodoned aiodoned 43695 54945 0 0 3 0x14200 syncer update 98465 74004 0 0 3 0x14200 cleaner cleaner 98371 124358 0 0 3 0x14200 reaper reaper 43213 100684 0 0 3 0x14200 pgdaemon pagedaemon 24708 24122 0 0 3 0x14200 bored viomb 72300 231700 0 0 3 0x40014200 acpi0 acpi0 99786 372989 0 0 3 0x14200 bored softnet 34540 491971 0 0 3 0x14200 bored softnet 38836 361153 0 0 3 0x14200 bored softnet 67377 206979 0 0 3 0x14200 bored softnet 41195 178214 0 0 3 0x14200 bored systqmp 24774 435382 0 0 3 0x14200 bored systq 81845 420840 0 0 3 0x40014200 bored softclock 44509 228987 0 0 3 0x40014200 idle0 1 64444 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10140 6384K 6413K 78643K 11230 0 pcb 13 8K 8K 78643K 13 0 rtable 58 1K 2K 78643K 109 0 ifaddr 29 7K 7K 78643K 29 0 counters 21 16K 16K 78643K 21 0 ioctlops 1 1K 2K 78643K 26 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1167 73K 73K 78643K 1180 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 0K 0K 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 55 58K 59K 78643K 226 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 405 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 52 2K 4K 78643K 1293 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 4 0K 0K 78643K 4 0 temp 20 4701K 4765K 78643K 2320 0 kqueue 11 16K 18K 78643K 24 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 20 0 17 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 144 33 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 768 8 0 5 1 0 1 1 0 8 0 arp 88 2 0 0 1 0 1 1 0 8 0 inpcb 320 25 0 19 1 0 1 1 0 8 0 mppekey 1024 1 0 0 1 0 1 1 0 8 0 ppxss 1160 2 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 97 0 0 7 0 7 7 0 8 0 art_table 32 98 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 1417 0 39 87 0 87 87 0 8 0 ffsino 240 1417 0 39 82 0 82 82 0 8 0 nchpl 144 1601 0 46 58 0 58 58 0 8 0 uvmvnodes 80 1426 0 0 30 0 30 30 0 8 0 vnodes 216 1426 0 0 80 0 80 80 0 8 0 namei 1024 4142 0 4142 2 1 1 1 0 8 1 kstatmem 264 8 0 0 1 0 1 1 0 8 0 scxspl 216 3710 0 3710 2 1 1 2 0 8 1 plimitpl 152 15 0 9 1 0 1 1 0 8 0 sigapl 424 302 0 273 4 0 4 4 0 8 0 knotepl 120 4770 0 4741 3 1 2 2 0 8 1 kqueuepl 184 20 0 13 1 0 1 1 0 8 0 pipepl 288 82 0 79 2 1 1 1 0 8 0 fdescpl 432 286 0 273 2 0 2 2 0 8 0 filepl 120 1062 0 1008 2 0 2 2 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 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 104 64 0 54 1 0 1 1 0 8 0 zombiepl 144 273 0 273 2 1 1 1 0 8 1 processpl 1000 302 0 273 5 1 4 5 0 8 0 procpl 672 302 0 273 3 0 3 3 0 8 0 sockpl 456 78 0 56 3 0 3 3 0 8 0 mcl8k 8192 9 0 9 2 1 1 1 0 8 1 mcl4k 4096 5 0 5 2 1 1 1 0 8 1 mcl2k 2048 5499 0 5452 9 1 8 9 0 8 1 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 9985 0 9892 9 2 7 9 0 8 0 bufpl 288 1904 0 77 131 0 131 131 0 8 0 anonpl 24 36080 0 34309 15 3 12 13 0 188 1 amapchunkpl 152 2636 0 2550 5 1 4 5 0 158 0 amappl16 200 27 0 26 2 1 1 1 0 8 0 amappl15 192 62 0 58 1 0 1 1 0 8 0 amappl13 176 32 0 31 2 1 1 1 0 8 0 amappl12 168 3 0 3 2 1 1 1 0 8 1 amappl11 160 60 0 47 1 0 1 1 0 8 0 amappl10 152 1 0 1 1 1 0 1 0 8 0 amappl9 144 469 0 466 1 0 1 1 0 8 0 amappl8 136 346 0 345 2 1 1 1 0 8 0 amappl7 128 62 0 55 1 0 1 1 0 8 0 amappl6 120 82 0 76 1 0 1 1 0 8 0 amappl5 112 83 0 74 1 0 1 1 0 8 0 amappl4 104 581 0 563 1 0 1 1 0 8 0 amappl3 96 432 0 409 1 0 1 1 0 8 0 amappl2 88 297 0 270 1 0 1 1 0 8 0 amappl1 80 9062 0 8686 11 2 9 9 0 8 0 amappl 88 1032 0 996 2 1 1 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 24 286 0 273 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 286 0 273 1 0 1 1 0 8 0 vmmpekpl 168 6006 0 5990 1 0 1 1 0 8 0 vmmpepl 168 25546 0 24777 41 3 38 38 0 357 2 vmsppl 272 285 0 273 2 1 1 2 0 8 0 rwobjpl 24 9272 0 7331 14 1 13 13 0 8 0 pdppl 4096 578 0 546 55 23 32 40 0 8 0 pvpl 32 119464 0 115853 36 3 33 33 0 265 3 pmappl 216 285 0 273 1 0 1 1 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 398 0 33 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace rc4_keysetup(ffff80002174eef2,ffff80002174f004,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002174eed8,ffffde57,e02,ffff800000b98a6c,ffffde57) at pipex_mppe_init+0x207 pipex_init_session(ffff80002174b6e8,ffff800000b98800) at pipex_init_session+0x5d6 pppacioctl(4086334,82907003,ffff800000b98800,1,ffff8000ffff9a48) at pppacioctl+0x156 VOP_IOCTL(fffffd806fffcbd8,82907003,ffff800000b98800,1,fffffd807f7d7820,ffff8000ffff9a48) at VOP_IOCTL+0x8d vn_ioctl(fffffd8070170800,82907003,ffff800000b98800,ffff8000ffff9a48) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff9a48,ffff80002174ba38,ffff80002174ba90) at sys_ioctl+0x49e syscall(ffff80002174bb00) at syscall+0x447 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd44c0, count: -9 ddb> machine ddbcpu 1 No such command ddb> trace rc4_keysetup(ffff80002174eef2,ffff80002174f004,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002174eed8,ffffde57,e02,ffff800000b98a6c,ffffde57) at pipex_mppe_init+0x207 pipex_init_session(ffff80002174b6e8,ffff800000b98800) at pipex_init_session+0x5d6 pppacioctl(4086334,82907003,ffff800000b98800,1,ffff8000ffff9a48) at pppacioctl+0x156 VOP_IOCTL(fffffd806fffcbd8,82907003,ffff800000b98800,1,fffffd807f7d7820,ffff8000ffff9a48) at VOP_IOCTL+0x8d vn_ioctl(fffffd8070170800,82907003,ffff800000b98800,ffff8000ffff9a48) at vn_ioctl+0xb7 sys_ioctl(ffff8000ffff9a48,ffff80002174ba38,ffff80002174ba90) at sys_ioctl+0x49e syscall(ffff80002174bb00) at syscall+0x447 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd44c0, count: -9 ddb>