Warning: Permanently added '10.128.0.249' (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(ffff80002129c1e2,ffff80002129c2f4,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002129c1a8,70b7,6976,ffff800000ba2a6c,70b7) at pipex_mppe_init+0x212 pipex_init_session(ffff8000212ce778,ffff800000ba2800) at pipex_init_session+0x5e1 pppacioctl(4086334,82907003,ffff800000ba2800,1,ffff800021232d28) at pppacioctl+0x156 VOP_IOCTL(fffffd806fb43950,82907003,ffff800000ba2800,1,fffffd807f7d7548,ffff800021232d28) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5d1438,82907003,ffff800000ba2800,ffff800021232d28) at vn_ioctl+0xbc sys_ioctl(ffff800021232d28,ffff8000212ceac8,ffff8000212ceb10) at sys_ioctl+0x4a2 syscall(ffff8000212ceb90) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffda350, count: -9 ddb{0}> show registers rdi 0xffff80002129c1e2 rsi 0 rbp 0xffff8000212ce600 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0xe8aba31cf285eaa2 r11 0x943642fdb50a4970 r12 0xffff80002129c2f4 r13 0 r14 0xffff80002129c1e2 r15 0 rip 0xffffffff815f442f rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000212ce5a0 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{0}> show proc PROC (syz-executor2425510144) pid=477887 stat=onproc flags process=2 proc=0 pri=56, usrpri=56, nice=20 forw=0xffffffffffffffff, list=0xffff8000212327e8,0xffffffff82b5dd58 process=0xffff80002129b1f0 user=0xffff8000212c9000, vmspace=0xfffffd806ef3ee68 estcpu=6, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *94737 477887 84658 0 7 0x2 syz-executor2425510144 84658 169356 32169 0 3 0x10008a sigsusp ksh 32169 250610 54981 0 3 0x9a kqread sshd 51184 341621 1 0 3 0x100083 ttyin getty 54981 420720 1 0 3 0x88 kqread sshd 17723 438503 29962 74 3 0x1100092 bpf pflogd 29962 257520 1 0 3 0x80 netio pflogd 1366 137600 85111 73 3 0x1100090 kqread syslogd 85111 130211 1 0 3 0x100082 netio syslogd 85641 283036 1 0 3 0x100080 kqread resolvd 91450 234660 64176 77 3 0x100092 kqread dhcpleased 1181 372606 64176 77 3 0x100092 kqread dhcpleased 64176 142808 1 0 3 0x80 kqread dhcpleased 26621 437206 0 0 3 0x14200 bored smr 83368 53320 0 0 3 0x14200 pgzero zerothread 25302 52851 0 0 3 0x14200 aiodoned aiodoned 59133 54056 0 0 3 0x14200 syncer update 81651 329738 0 0 3 0x14200 cleaner cleaner 18241 444691 0 0 3 0x14200 reaper reaper 30321 292133 0 0 3 0x14200 pgdaemon pagedaemon 20190 226871 0 0 3 0x14200 bored viomb 42012 250295 0 0 3 0x40014200 acpi0 acpi0 14264 223151 0 0 7 0x40014200 idle1 85578 470942 0 0 3 0x14200 bored softnet 81242 65716 0 0 3 0x14200 bored softnet 50868 30763 0 0 3 0x14200 bored softnet 4794 282940 0 0 3 0x14200 bored softnet 37239 371407 0 0 3 0x14200 bored systqmp 84234 329843 0 0 3 0x14200 bored systq 44798 410779 0 0 3 0x40014200 bored softclock 28357 122997 0 0 3 0x40014200 idle0 1 496455 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 94737 (syz-executor2425510144) thread 0xffff800021232d28 (477887) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a37170) #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 113 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 446 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 57 3K 5K 78643K 1580 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 2568 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 20 0 17 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 768 8 0 5 1 0 1 1 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 368 32 0 26 1 0 1 1 0 8 0 mppekey 1024 1 0 0 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 9 0 0 1 0 1 1 0 8 0 pfstkey 120 9 0 0 1 0 1 1 0 8 0 pfstate 336 9 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 4432 0 4432 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 3894 0 3894 2 1 1 2 0 8 1 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 331 0 299 5 1 4 5 0 8 0 knotepl 120 47 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 320 89 0 86 2 1 1 1 0 8 0 fdescpl 496 314 0 299 3 0 3 3 0 8 0 filepl 152 1201 0 1142 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 144 299 0 299 2 1 1 1 0 8 1 processpl 1064 331 0 299 3 0 3 3 0 8 0 procpl 672 331 0 299 4 1 3 4 0 8 0 sockpl 488 87 0 63 5 1 4 4 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 77 0 0 10 0 10 10 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 135 0 0 9 0 9 9 0 8 0 bufpl 288 1988 0 85 136 0 136 136 0 8 0 anonpl 24 38338 0 36351 16 3 13 15 0 186 1 amapchunkpl 152 2863 0 2765 7 2 5 6 0 158 0 amappl16 200 31 0 30 2 1 1 1 0 8 0 amappl15 192 70 0 66 1 0 1 1 0 8 0 amappl13 176 35 0 34 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 144 472 0 470 1 0 1 1 0 8 0 amappl8 136 377 0 376 2 1 1 1 0 8 0 amappl7 128 66 0 59 1 0 1 1 0 8 0 amappl6 120 94 0 88 1 0 1 1 0 8 0 amappl5 112 93 0 80 1 0 1 1 0 8 0 amappl4 104 645 0 623 1 0 1 1 0 8 0 amappl3 96 451 0 426 1 0 1 1 0 8 0 amappl2 88 324 0 295 1 0 1 1 0 8 0 amappl1 80 9698 0 9281 11 1 10 10 0 8 0 amappl 88 1291 0 1251 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 24 316 0 301 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 316 0 301 1 0 1 1 0 8 0 vmmpekpl 168 6289 0 6273 1 0 1 1 0 8 0 vmmpepl 168 27562 0 26700 43 1 42 42 0 357 2 vmsppl 368 315 0 301 2 0 2 2 0 8 0 rwobjpl 56 9804 0 7794 31 1 30 30 0 8 1 pdppl 4096 639 0 602 56 19 37 45 0 8 0 pvpl 32 129445 0 125491 36 1 35 35 0 265 0 pmappl 248 315 0 301 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 416 0 23 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace rc4_keysetup(ffff80002129c1e2,ffff80002129c2f4,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002129c1a8,70b7,6976,ffff800000ba2a6c,70b7) at pipex_mppe_init+0x212 pipex_init_session(ffff8000212ce778,ffff800000ba2800) at pipex_init_session+0x5e1 pppacioctl(4086334,82907003,ffff800000ba2800,1,ffff800021232d28) at pppacioctl+0x156 VOP_IOCTL(fffffd806fb43950,82907003,ffff800000ba2800,1,fffffd807f7d7548,ffff800021232d28) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5d1438,82907003,ffff800000ba2800,ffff800021232d28) at vn_ioctl+0xbc sys_ioctl(ffff800021232d28,ffff8000212ceac8,ffff8000212ceb10) at sys_ioctl+0x4a2 syscall(ffff8000212ceb90) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffda350, 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}>