kernel: integer divide fault trap, code=0 Stopped at rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace rc4_keysetup(ffff8000213487ea,ffff8000213488fc,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41 pipex_mppe_init(ffff8000213487b0,ffff95d4,67db,ffff800000bada6c,ffff95d4) at pipex_mppe_init+0x212 sys/net/pipex.c:2319 pipex_init_session(ffff800028a59a68,ffff800000bad800) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline] pipex_init_session(ffff800028a59a68,ffff800000bad800) at pipex_init_session+0x5e1 sys/net/pipex.c:385 pppacioctl(4086334,82907003,ffff800000bad800,1,ffff800028a43a40) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1316 [inline] pppacioctl(4086334,82907003,ffff800000bad800,1,ffff800028a43a40) at pppacioctl+0x156 sys/net/if_pppx.c:1166 VOP_IOCTL(fffffd80714a22b8,82907003,ffff800000bad800,1,fffffd807f7d7270,ffff800028a43a40) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8068143268,82907003,ffff800000bad800,ffff800028a43a40) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800028a43a40,ffff800028a59db8,ffff800028a59e00) at sys_ioctl+0x4a2 syscall(ffff800028a59e80) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800028a59e80) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd7c602c1870, count: -9 ddb{1}> show registers rdi 0xffff800023581000 rsi 0 rbp 0xffff800028a598f0 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0x84ddd234ed51ca3e r11 0x94fb0bbc76ed540a r12 0xffff8000213488fc r13 0 r14 0xffff8000213487ea r15 0 rip 0xffffffff82440a2f rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800028a59890 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{1}> show proc PROC (syz-executor.0) pid=83105 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800028a42540,0xffff8000ffff6d40 process=0xffff800027c0cc90 user=0xffff800028a54000, vmspace=0xfffffd807cbd91a0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19064 187766 13436 0 7 0 syz-executor.2 24387 274472 27971 0 2 0 syz-executor.5 24387 210279 27971 0 3 0x4000080 fsleep syz-executor.5 67564 419687 56951 0 2 0 syz-executor.0 *67564 83105 56951 0 7 0x4000000 syz-executor.0 67564 12807 56951 0 3 0x4000080 fsleep syz-executor.0 68970 286462 23146 0 2 0 syz-executor.4 68970 360376 23146 0 3 0x4000080 fsleep syz-executor.4 68970 216665 23146 0 3 0x4000080 fsleep syz-executor.4 68970 142737 23146 0 3 0x4000080 fsleep syz-executor.4 55462 146736 89568 0 3 0x2 getblk syz-executor.6 56951 314221 89568 0 3 0x82 nanoslp syz-executor.0 36420 144708 89568 0 3 0x2 getblk syz-executor.7 82773 517274 0 0 3 0x14200 bored sosplice 89185 482045 0 0 3 0x14200 acct acct 27971 368264 89568 0 3 0x82 nanoslp syz-executor.5 23146 139089 89568 0 3 0x82 nanoslp syz-executor.4 66959 469543 89568 0 3 0x2 getblk syz-executor.3 13436 300136 89568 0 3 0x82 nanoslp syz-executor.2 90851 26594 89568 0 3 0x2 biowait syz-executor.1 89568 192060 99321 0 3 0x82 wait syz-fuzzer 89568 14128 99321 0 3 0x4000082 nanoslp syz-fuzzer 89568 516626 99321 0 3 0x4000082 wait syz-fuzzer 89568 39409 99321 0 3 0x4000082 thrsleep syz-fuzzer 89568 477881 99321 0 3 0x4000082 wait syz-fuzzer 89568 4711 99321 0 3 0x4000082 wait syz-fuzzer 89568 193142 99321 0 3 0x4000082 wait syz-fuzzer 89568 384202 99321 0 3 0x4000082 thrsleep syz-fuzzer 89568 510475 99321 0 3 0x4000082 thrsleep syz-fuzzer 89568 476933 99321 0 3 0x4000082 thrsleep syz-fuzzer 89568 73212 99321 0 3 0x4000082 wait syz-fuzzer 89568 287686 99321 0 3 0x4000082 wait syz-fuzzer 89568 172915 99321 0 3 0x4000082 thrsleep syz-fuzzer 89568 111984 99321 0 3 0x4000082 wait syz-fuzzer 89568 164796 99321 0 3 0x4000082 kqread syz-fuzzer 89568 353696 99321 0 3 0x4000082 nanoslp syz-fuzzer 99321 348262 30125 0 3 0x10008a sigsusp ksh 30125 117744 95064 0 3 0x9a kqread sshd 37633 348100 1 0 3 0x100083 ttyin getty 95064 490103 1 0 3 0x88 kqread sshd 79073 498646 27653 74 3 0x1100092 bpf pflogd 27653 29181 1 0 3 0x80 netio pflogd 1191 112830 79318 73 3 0x1100090 kqread syslogd 79318 417996 1 0 3 0x100082 netio syslogd 54287 355120 1 0 3 0x100080 kqread resolvd 85670 303732 0 0 3 0x14200 bored smr 42118 392630 0 0 2 0x14200 zerothread 92956 333458 0 0 3 0x14200 aiodoned aiodoned 24166 501054 0 0 3 0x14200 syncer update 91293 447963 0 0 3 0x14200 cleaner cleaner 80239 352805 0 0 3 0x14200 reaper reaper 93965 374258 0 0 3 0x14200 pgdaemon pagedaemon 57182 439208 0 0 3 0x14200 bored viomb 63123 477425 0 0 3 0x40014200 acpi0 acpi0 78853 194997 0 0 3 0x40014200 idle1 88138 424848 0 0 3 0x14200 bored softnet 81013 354658 0 0 3 0x14200 bored softnet 32614 115974 0 0 3 0x14200 bored softnet 65179 99469 0 0 3 0x14200 bored softnet 8911 90799 0 0 3 0x14200 bored systqmp 23552 444874 0 0 3 0x14200 bored systq 72897 273510 0 0 3 0x40014200 bored softclock 14808 178043 0 0 3 0x40014200 idle0 1 198418 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 19064 (syz-executor.2) thread 0xffff800028a41268 (187766) exclusive rwlock vmmaplk r = 0 (0xfffffd807cbd9d38) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5209 #3 uvmfault_lookup+0xb9 sys/uvm/uvm_fault.c:1765 #4 uvm_fault_check+0x660 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #4 uvm_fault_check+0x660 sys/uvm/uvm_fault.c:711 #5 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #6 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #7 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #8 recall_trap+0x8 Process 67564 (syz-executor.0) thread 0xffff800028a43a40 (83105) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a18488) #0 witness_lock+0x44d #1 vn_ioctl+0x41 sys/kern/vfs_vnops.c:508 #2 sys_ioctl+0x4a2 #3 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] #3 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 55462 (syz-executor.6) thread 0xffff8000212f17b0 (146736) exclusive rrwlock inode r = 0 (0xfffffd80751c53d8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x1fc sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560 #11 namei+0x36a sys/kern/vfs_lookup.c:244 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80638e4c48) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 36420 (syz-executor.7) thread 0xffff8000212f07f0 (144708) exclusive rrwlock inode r = 0 (0xfffffd80751c5d68) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vn_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xc6 sys/kern/vfs_vnops.c:609 #6 fdrop+0xc7 sys/kern/kern_descrip.c:1274 #7 closef+0x11c sys/kern/kern_descrip.c:1258 #8 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 66959 (syz-executor.3) thread 0xffff8000212f0a90 (469543) exclusive rrwlock inode r = 0 (0xfffffd806e1b2c50) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vn_closefile+0xc6 vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xc6 sys/kern/vfs_vnops.c:609 #6 fdrop+0xc7 sys/kern/kern_descrip.c:1274 #7 closef+0x11c sys/kern/kern_descrip.c:1258 #8 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 90851 (syz-executor.1) thread 0xffff8000212a4fc8 (26594) exclusive rrwlock inode r = 0 (0xfffffd80751c50a8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d52d928) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10185 6471K 6730K 78643K 12121 0 pcb 13 13K 14K 78643K 170 0 rtable 231 17K 18K 78643K 800 0 ifaddr 104 20K 21K 78643K 228 0 sysctl 2 0K 0K 78643K 2 0 counters 60 36K 36K 78643K 92 0 ioctlops 1 1K 4K 78643K 1843 0 iov 0 0K 16K 78643K 207 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1339 84K 84K 78643K 2058 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 41 0 VM map 2 1K 1K 78643K 2 0 sem 13 1K 2K 78643K 90 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 78K 78643K 3190 0 sigio 0 0K 0K 78643K 142 0 proc 64 67K 128K 78643K 671 0 subproc 104 6K 6K 78643K 143 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1090 0 in_multi 96 6K 7K 78643K 1062 0 ether_multi 1 0K 0K 78643K 232 0 mrt 1 0K 0K 78643K 10 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 2K 78643K 809 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 64K 78643K 10 0 UVM amap 299 328K 806K 78643K 20306 0 UVM aobj 91 3K 3K 78643K 97 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 687 0 NDP 14 0K 2K 78643K 59 0 temp 135 4726K 70262K 78643K 21924 0 kqueue 6 10K 24K 78643K 175 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 120 312 0 311 1 0 1 1 0 8 0 rtentry 112 182 0 82 4 0 4 4 0 8 0 unpcb 144 1582 0 1574 22 16 6 6 0 8 5 syncache 296 25 0 25 5 5 0 1 0 8 0 tcpqe 32 63 0 63 3 3 0 1 0 8 0 tcpcb 768 5946 0 5881 147 130 17 28 0 8 10 arp 120 26 0 7 1 0 1 1 0 8 0 inpcb 368 9122 0 9116 85 76 9 16 0 8 8 nd6 48 42 0 19 1 0 1 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 1 0 0 1 0 1 1 0 8 0 ppxss 1256 12 0 10 3 2 1 1 0 8 0 pfstscr 40 3 0 1 1 0 1 1 0 8 0 pffrag 232 2 0 2 2 2 0 1 0 482 0 pffrnode 88 2 0 2 2 2 0 1 0 8 0 pffrent 40 6 0 6 2 2 0 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 pfrktable 1344 19 0 14 1 0 1 1 0 8 0 pfanchor 1280 226 0 47 16 0 16 16 0 8 0 pftag 88 9 0 6 1 0 1 1 0 8 0 pfqueue 264 4 0 4 1 1 0 1 0 8 0 pfstitem 24 69 0 63 1 0 1 1 0 8 0 pfstkey 120 71 0 67 2 0 2 2 0 8 0 pfstate 336 68 0 64 6 4 2 6 0 8 0 pfrule 1360 51 0 35 4 2 2 2 0 8 0 rttmr 136 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 838 0 413 32 3 29 32 0 8 0 art_table 32 839 0 413 5 0 5 5 0 8 0 art_node 16 181 0 92 1 0 1 1 0 8 0 sysvmsgpl 40 31 0 22 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 11 0 0 1 0 1 1 0 8 0 shmpl 112 94 0 6 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5426 0 3981 91 0 91 91 0 8 0 ffsino 272 5426 0 3981 97 0 97 97 0 8 0 nchpl 144 9326 0 7679 63 0 63 63 0 8 0 uvmvnodes 80 5731 0 0 117 0 117 117 0 8 0 vnodes 216 5731 0 0 319 0 319 319 0 8 0 namei 1024 28569 0 28568 3 2 1 2 0 8 0 percpumem 16 58 0 16 1 0 1 1 0 8 0 vcpupl 2048 20 0 0 3 0 3 3 0 8 0 vmpool 568 20 0 0 2 0 2 2 0 8 0 pfiaddrpl 120 11 0 3 1 0 1 1 0 8 0 kstatmem 264 60 0 32 2 0 2 2 0 8 0 scsiplug 72 5 0 5 2 2 0 1 0 8 0 scxspl 216 25995 0 25994 11 10 1 8 0 8 0 plimitpl 152 134 0 119 1 0 1 1 0 8 0 sigapl 424 3491 0 3448 7 1 6 6 0 8 0 futexpl 64 32421 0 32416 1 0 1 1 0 8 0 knotepl 120 292 0 0 7 0 7 7 0 8 0 kqueuepl 216 464 0 459 9 8 1 5 0 8 0 pipepl 320 566 0 538 19 16 3 8 0 8 0 fdescpl 496 3472 0 3448 5 1 4 5 0 8 0 filepl 152 23369 0 23141 41 26 15 18 0 8 5 lockfpl 104 534 0 533 2 1 1 2 0 8 0 lockfspl 48 189 0 188 1 0 1 1 0 8 0 sessionpl 144 27 0 11 1 0 1 1 0 8 0 pgrppl 48 35 0 19 1 0 1 1 0 8 0 ucredpl 104 2279 0 2270 1 0 1 1 0 8 0 zombiepl 144 3448 0 3448 1 0 1 1 0 8 1 processpl 1064 3491 0 3448 4 0 4 4 0 8 0 procpl 672 9380 0 9316 11 4 7 8 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 11 0 11 3 3 0 1 0 8 0 sockpl 488 11020 0 11005 181 170 11 27 0 8 8 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 23 0 0 3 1 2 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 476 0 0 59 0 59 59 0 8 0 mtagpl 96 142 0 0 4 0 4 4 0 8 0 mbufpl 256 507 0 0 32 0 32 32 0 8 0 bufpl 288 7213 0 885 453 0 453 453 0 8 0 anonpl 24 646148 0 630104 159 31 128 128 0 186 18 amapchunkpl 152 89322 0 88661 347 199 148 344 0 158 112 amappl16 200 8886 0 8327 67 29 38 43 0 8 8 amappl15 192 757 0 751 1 0 1 1 0 8 0 amappl14 184 684 0 676 1 0 1 1 0 8 0 amappl13 176 103 0 102 1 0 1 1 0 8 0 amappl12 168 374 0 369 1 0 1 1 0 8 0 amappl11 160 1249 0 1233 3 2 1 2 0 8 0 amappl10 152 411 0 406 1 0 1 1 0 8 0 amappl9 144 596 0 592 1 0 1 1 0 8 0 amappl8 136 703 0 628 3 0 3 3 0 8 0 amappl7 128 148 0 126 1 0 1 1 0 8 0 amappl6 120 328 0 313 2 1 1 2 0 8 0 amappl5 112 2785 0 2770 1 0 1 1 0 8 0 amappl4 104 2872 0 2836 2 0 2 2 0 8 0 amappl3 96 10267 0 10227 2 0 2 2 0 8 0 amappl2 88 575 0 545 2 1 1 2 0 8 0 amappl1 80 88456 0 87878 23 8 15 20 0 8 0 amappl 88 19682 0 19515 6 1 5 5 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 96 0 6 2 0 2 2 0 8 0 uaddrrnd 24 3492 0 3448 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3492 0 3448 1 0 1 1 0 8 0 vmmpekpl 168 28652 0 28599 3 0 3 3 0 8 0 vmmpepl 168 337139 0 334811 195 65 130 177 0 357 11 vmsppl 368 3491 0 3448 7 2 5 5 0 8 0 rwobjpl 56 89366 0 82037 109 2 107 107 0 8 0 pdppl 4096 6991 0 6916 188 105 83 83 0 8 8 pvpl 32 1368351 0 1348238 293 89 204 257 0 265 24 pmappl 248 3491 0 3448 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1080 0 199 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82966ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82a18280) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a18280) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff800027bf4760,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __sanitizer_cov_trace_const_cmp4(0,5) at __sanitizer_cov_trace_const_cmp4+0x11 kd_curproc sys/dev/kcov.c:574 [inline] __sanitizer_cov_trace_const_cmp4(0,5) at __sanitizer_cov_trace_const_cmp4+0x11 sys/dev/kcov.c:225 amap_alloc1(5,2,0) at amap_alloc1+0x4c sys/uvm/uvm_amap.c:296 amap_copy(fffffd807cbd9d20,fffffd8063b6b540,2,1,e5ea62b6000,e5ea62b6001) at amap_copy+0x1cd sys/uvm/uvm_amap.c:617 uvm_fault_check(ffff800027bf4b30,ffff800027bf4b68,ffff800027bf4b90) at uvm_fault_check+0x6d7 uvmfault_amapcopy sys/uvm/uvm_fault.c:250 [inline] uvm_fault_check(ffff800027bf4b30,ffff800027bf4b68,ffff800027bf4b90) at uvm_fault_check+0x6d7 sys/uvm/uvm_fault.c:711 uvm_fault(fffffd807cbd9d20,e5ea62b6000,0,1) at uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 upageflttrap(ffff800027bf4ca0,e5ea62b6c20) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff800027bf4ca0) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffe34b0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{1}> trace rc4_keysetup(ffff8000213487ea,ffff8000213488fc,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41 pipex_mppe_init(ffff8000213487b0,ffff95d4,67db,ffff800000bada6c,ffff95d4) at pipex_mppe_init+0x212 sys/net/pipex.c:2319 pipex_init_session(ffff800028a59a68,ffff800000bad800) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline] pipex_init_session(ffff800028a59a68,ffff800000bad800) at pipex_init_session+0x5e1 sys/net/pipex.c:385 pppacioctl(4086334,82907003,ffff800000bad800,1,ffff800028a43a40) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1316 [inline] pppacioctl(4086334,82907003,ffff800000bad800,1,ffff800028a43a40) at pppacioctl+0x156 sys/net/if_pppx.c:1166 VOP_IOCTL(fffffd80714a22b8,82907003,ffff800000bad800,1,fffffd807f7d7270,ffff800028a43a40) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8068143268,82907003,ffff800000bad800,ffff800028a43a40) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800028a43a40,ffff800028a59db8,ffff800028a59e00) at sys_ioctl+0x4a2 syscall(ffff800028a59e80) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800028a59e80) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd7c602c1870, count: -9