Warning: Permanently added '10.128.0.207' (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(ffff80002126a7da,ffff80002126a8ec,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002126a7a0,ffffed52,7f93,ffff800000ba226c,ffffed52) at pipex_mppe_init+0x212 pipex_init_session(ffff8000212d40a8,ffff800000ba2000) at pipex_init_session+0x5e1 pppacioctl(4086337,82907003,ffff800000ba2000,1,ffff8000212337a8) at pppacioctl+0x156 VOP_IOCTL(fffffd806ef1d950,82907003,ffff800000ba2000,1,fffffd807f7d7340,ffff8000212337a8) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5e2990,82907003,ffff800000ba2000,ffff8000212337a8) at vn_ioctl+0xbc sys_ioctl(ffff8000212337a8,ffff8000212d43f8,ffff8000212d4440) at sys_ioctl+0x4a2 syscall(ffff8000212d44c0) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd8810, count: -9 ddb{0}> show registers rdi 0xffff80002126a7da rsi 0 rbp 0xffff8000212d3f30 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0xd7416bf0b563b2b7 r11 0xf63cfa766f0adb28 r12 0xffff80002126a8ec r13 0 r14 0xffff80002126a7da r15 0 rip 0xffffffff8108521f rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000212d3ed0 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{0}> show proc PROC (syz-executor4194452637) pid=328944 stat=onproc flags process=2 proc=0 pri=17, usrpri=52, nice=20 forw=0xffffffffffffffff, list=0xffff800021232008,0xffffffff82a7dbe0 process=0xffff80002129a578 user=0xffff8000212cf000, vmspace=0xfffffd806ef7f458 estcpu=2, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND * 7449 328944 25873 0 7 0x2 syz-executor4194452637 25873 303938 664 0 3 0x10008a sigsusp ksh 664 385956 88900 0 3 0x9a kqread sshd 31459 147155 1 0 3 0x100083 ttyin getty 88900 485826 1 0 3 0x88 kqread sshd 83797 413572 68427 74 2 0x1100492 pflogd 68427 223225 1 0 3 0x80 netio pflogd 11987 288635 81237 73 3 0x1100090 kqread syslogd 81237 429764 1 0 3 0x100082 netio syslogd 61602 358836 1 0 7 0x100000 resolvd 82055 1723 85192 77 2 0x100092 dhcpleased 18981 116094 85192 77 3 0x100092 kqread dhcpleased 85192 192661 1 0 3 0x80 kqread dhcpleased 51317 227702 0 0 3 0x14200 bored smr 85448 260759 0 0 3 0x14200 pgzero zerothread 63069 357183 0 0 3 0x14200 aiodoned aiodoned 70935 310255 0 0 3 0x14200 syncer update 60380 157412 0 0 3 0x14200 cleaner cleaner 86824 327579 0 0 3 0x14200 reaper reaper 91919 474486 0 0 3 0x14200 pgdaemon pagedaemon 12928 249921 0 0 3 0x14200 bored viomb 19416 114260 0 0 3 0x40014200 acpi0 acpi0 17955 90931 0 0 3 0x40014200 idle1 54542 470894 0 0 3 0x14200 bored softnet 20386 505554 0 0 3 0x14200 bored softnet 2393 264371 0 0 3 0x14200 bored softnet 44820 83766 0 0 3 0x14200 bored softnet 69939 373464 0 0 2 0x14200 systqmp 55413 124741 0 0 3 0x14200 bored systq 18608 402622 0 0 3 0x40014200 bored softclock 52952 413777 0 0 3 0x40014200 idle0 1 175943 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 7449 (syz-executor4194452637) thread 0xffff8000212337a8 (328944) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a06628) #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 60 11K 11K 78643K 1535 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 2502 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 37 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 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 2 1 0 1 1 0 8 0 pfstkey 120 9 0 2 1 0 1 1 0 8 0 pfstate 336 9 0 2 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 1427 0 40 87 0 87 87 0 8 0 ffsino 272 1427 0 40 93 0 93 93 0 8 0 nchpl 144 1614 0 48 58 0 58 58 0 8 0 uvmvnodes 80 1437 0 0 30 0 30 30 0 8 0 vnodes 216 1437 0 0 80 0 80 80 0 8 0 namei 1024 4388 0 4388 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 4010 0 4010 10 7 3 8 0 8 3 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 424 322 0 290 5 1 4 5 0 8 0 knotepl 120 43 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 1185 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 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 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 86 0 60 5 1 4 4 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 74 0 0 9 0 9 9 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 131 0 0 8 0 8 8 0 8 0 bufpl 288 1993 0 85 137 0 137 137 0 8 0 anonpl 24 38026 0 35958 18 4 14 15 0 186 1 amapchunkpl 152 2796 0 2696 6 2 4 6 0 158 0 amappl16 200 31 0 30 2 1 1 1 0 8 0 amappl15 192 69 0 64 1 0 1 1 0 8 0 amappl13 176 34 0 33 2 1 1 1 0 8 0 amappl12 168 4 0 3 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 144 477 0 475 1 0 1 1 0 8 0 amappl8 136 366 0 365 2 1 1 1 0 8 0 amappl7 128 66 0 59 1 0 1 1 0 8 0 amappl6 120 92 0 85 1 0 1 1 0 8 0 amappl5 112 89 0 77 1 0 1 1 0 8 0 amappl4 104 636 0 614 1 0 1 1 0 8 0 amappl3 96 426 0 400 1 0 1 1 0 8 0 amappl2 88 313 0 284 1 0 1 1 0 8 0 amappl1 80 9457 0 9034 12 2 10 10 0 8 0 amappl 88 1253 0 1213 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 24 306 0 291 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 306 0 291 1 0 1 1 0 8 0 vmmpekpl 168 6180 0 6163 1 0 1 1 0 8 0 vmmpepl 168 26890 0 26011 46 4 42 42 0 357 3 vmsppl 368 305 0 291 2 0 2 2 0 8 0 rwobjpl 56 9604 0 7583 30 0 30 30 0 8 0 pdppl 4096 619 0 582 61 24 37 45 0 8 0 pvpl 32 126779 0 122739 42 7 35 35 0 265 2 pmappl 248 305 0 291 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 420 0 28 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace rc4_keysetup(ffff80002126a7da,ffff80002126a8ec,0) at rc4_keysetup+0xaf pipex_mppe_init(ffff80002126a7a0,ffffed52,7f93,ffff800000ba226c,ffffed52) at pipex_mppe_init+0x212 pipex_init_session(ffff8000212d40a8,ffff800000ba2000) at pipex_init_session+0x5e1 pppacioctl(4086337,82907003,ffff800000ba2000,1,ffff8000212337a8) at pppacioctl+0x156 VOP_IOCTL(fffffd806ef1d950,82907003,ffff800000ba2000,1,fffffd807f7d7340,ffff8000212337a8) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5e2990,82907003,ffff800000ba2000,ffff8000212337a8) at vn_ioctl+0xbc sys_ioctl(ffff8000212337a8,ffff8000212d43f8,ffff8000212d4440) at sys_ioctl+0x4a2 syscall(ffff8000212d44c0) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd8810, 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(ffffffff82a06420) at __mp_lock+0x122 kqueue_scan(ffff8000212b5d40,3,ffff8000212b5e40,0,ffff8000ffff7270,ffff8000212b5f9c) at kqueue_scan+0x1fa sys_kevent(ffff8000ffff7270,ffff8000212b6000,ffff8000212b6050) at sys_kevent+0x4a4 syscall(ffff8000212b60d0) at syscall+0x4c3 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc03c0, count: -8 ddb{1}>