Warning: Permanently added '10.128.0.189' (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(ffff80002126de0a,ffff80002126df1c,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002126ddd0,ffffd95a,5339,ffff800000ba2a6c,ffffd95a) at pipex_mppe_init+0x212 pipex_init_session(ffff8000212d5fc8,ffff800000ba2800) at pipex_init_session+0x5e1 pppacioctl(4086334,82907003,ffff800000ba2800,1,ffff800021233a48) at pppacioctl+0x156 VOP_IOCTL(fffffd806e2336c8,82907003,ffff800000ba2800,1,fffffd807f7d7888,ffff800021233a48) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5cb1d8,82907003,ffff800000ba2800,ffff800021233a48) at vn_ioctl+0xbc sys_ioctl(ffff800021233a48,ffff8000212d6318,ffff8000212d6360) at sys_ioctl+0x4a2 syscall(ffff8000212d63e0) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdcaf0, count: -9 ddb{0}> show registers rdi 0xffff80002126de0a rsi 0 rbp 0xffff8000212d5e50 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0x3a0dfa5dbb68364c r11 0xb9b4ef02e22ab2a9 r12 0xffff80002126df1c r13 0 r14 0xffff80002126de0a r15 0 rip 0xffffffff814ec96f rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000212d5df0 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{0}> show proc PROC (syz-executor2699074303) pid=184415 stat=onproc flags process=2 proc=0 pri=17, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000212327e8,0xffffffff82aab1a8 process=0xffff80002129a578 user=0xffff8000212d1000, vmspace=0xfffffd806f73f5c8 estcpu=1, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *18672 184415 10803 0 7 0x2 syz-executor2699074303 10803 492508 57867 0 3 0x10008a sigsusp ksh 57867 49079 4489 0 3 0x9a kqread sshd 25050 389773 1 0 3 0x100083 ttyin getty 4489 91094 1 0 3 0x88 kqread sshd 15320 14737 63561 74 3 0x1100092 bpf pflogd 63561 135820 1 0 3 0x80 netio pflogd 19683 474098 59679 73 3 0x1100090 kqread syslogd 59679 98356 1 0 3 0x100082 netio syslogd 17477 102413 1 0 7 0x100000 resolvd 82677 404505 12403 77 2 0x100092 dhcpleased 44706 241620 12403 77 3 0x100092 kqread dhcpleased 12403 328162 1 0 3 0x80 kqread dhcpleased 90343 408208 0 0 3 0x14200 bored smr 55469 68687 0 0 3 0x14200 pgzero zerothread 60771 131386 0 0 3 0x14200 aiodoned aiodoned 83344 405144 0 0 3 0x14200 syncer update 21853 494896 0 0 3 0x14200 cleaner cleaner 32242 214151 0 0 3 0x14200 reaper reaper 66036 234973 0 0 3 0x14200 pgdaemon pagedaemon 71123 242688 0 0 3 0x14200 bored viomb 15133 518425 0 0 3 0x40014200 acpi0 acpi0 98461 164322 0 0 3 0x40014200 idle1 89159 478936 0 0 3 0x14200 bored softnet 53796 214521 0 0 3 0x14200 bored softnet 64133 121899 0 0 3 0x14200 bored softnet 47766 934 0 0 3 0x14200 bored softnet 72597 335965 0 0 3 0x14200 bored systqmp 41572 314491 0 0 3 0x14200 bored systq 78982 180669 0 0 3 0x40014200 bored softclock 37225 257967 0 0 3 0x40014200 idle0 1 434142 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 18672 (syz-executor2699074303) thread 0xffff800021233a48 (184415) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82aa2ee0) #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 57 3K 5K 78643K 1521 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 1 0 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 320 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 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 1 0 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 3836 0 3836 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 45 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 1 0 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 1 0 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 4 0 4 4 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 66 0 0 9 0 9 9 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 117 0 0 8 0 8 8 0 8 0 bufpl 288 1988 0 85 136 0 136 136 0 8 0 anonpl 24 36602 0 34614 15 1 14 15 0 186 2 amapchunkpl 152 2715 0 2619 6 2 4 6 0 158 0 amappl16 200 31 0 29 1 0 1 1 0 8 0 amappl15 192 68 0 64 1 0 1 1 0 8 0 amappl13 176 34 0 33 1 0 1 1 0 8 0 amappl12 168 5 0 4 1 0 1 1 0 8 0 amappl11 160 66 0 49 1 0 1 1 0 8 0 amappl10 152 2 0 0 1 0 1 1 0 8 0 amappl9 144 474 0 471 1 0 1 1 0 8 0 amappl8 136 365 0 364 1 0 1 1 0 8 0 amappl7 128 66 0 59 1 0 1 1 0 8 0 amappl6 120 91 0 85 1 0 1 1 0 8 0 amappl5 112 89 0 76 1 0 1 1 0 8 0 amappl4 104 634 0 613 1 0 1 1 0 8 0 amappl3 96 444 0 419 1 0 1 1 0 8 0 amappl2 88 312 0 283 1 0 1 1 0 8 0 amappl1 80 9365 0 8953 10 0 10 10 0 8 0 amappl 88 1241 0 1202 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 24 305 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 6208 0 6187 2 0 2 2 0 8 1 vmmpepl 168 26749 0 25890 42 0 42 42 0 357 0 vmsppl 368 304 0 290 2 0 2 2 0 8 0 rwobjpl 56 9509 0 7503 30 0 30 30 0 8 1 pdppl 4096 617 0 580 51 14 37 45 0 8 0 pvpl 32 125188 0 121233 35 0 35 35 0 265 0 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 112 407 0 17 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace rc4_keysetup(ffff80002126de0a,ffff80002126df1c,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002126ddd0,ffffd95a,5339,ffff800000ba2a6c,ffffd95a) at pipex_mppe_init+0x212 pipex_init_session(ffff8000212d5fc8,ffff800000ba2800) at pipex_init_session+0x5e1 pppacioctl(4086334,82907003,ffff800000ba2800,1,ffff800021233a48) at pppacioctl+0x156 VOP_IOCTL(fffffd806e2336c8,82907003,ffff800000ba2800,1,fffffd807f7d7888,ffff800021233a48) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5cb1d8,82907003,ffff800000ba2800,ffff800021233a48) at vn_ioctl+0xbc sys_ioctl(ffff800021233a48,ffff8000212d6318,ffff8000212d6360) at sys_ioctl+0x4a2 syscall(ffff8000212d63e0) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdcaf0, 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 __mp_lock(ffffffff82aa2cd8) at __mp_lock+0x122 kqueue_scan(ffff8000212b8af0,3,ffff8000212b8bf0,0,ffff8000ffff6d30,ffff8000212b8d4c) at kqueue_scan+0xf7 sys_kevent(ffff8000ffff6d30,ffff8000212b8db0,ffff8000212b8e00) at sys_kevent+0x4a4 syscall(ffff8000212b8e80) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffedaa0, count: -8 ddb{1}>