eͫ\5۱spoiG6OV`;&<bjםQ`xy,8 TC=c|"jjbVܳ.Q`Q }Z"MM| ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace rc4_keysetup(ffff800022c13cfa,ffff800022c13e0c,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41 pipex_mppe_init(ffff800022c13cc0,ffff8f17,4b19,ffff800000d8126c,ffff8f17) at pipex_mppe_init+0x212 sys/net/pipex.c:2319 pipex_init_session(ffff800022bab868,ffff800000d81000) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline] pipex_init_session(ffff800022bab868,ffff800000d81000) at pipex_init_session+0x5e1 sys/net/pipex.c:385 pppacioctl(4086337,82907003,ffff800000d81000,1,ffff80002131a000) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1315 [inline] pppacioctl(4086337,82907003,ffff800000d81000,1,ffff80002131a000) at pppacioctl+0x156 sys/net/if_pppx.c:1165 VOP_IOCTL(fffffd807202d1c0,82907003,ffff800000d81000,1,fffffd807f7d75b0,ffff80002131a000) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80658558f8,82907003,ffff800000d81000,ffff80002131a000) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002131a000,ffff800022babbb8,ffff800022babc00) at sys_ioctl+0x4a2 syscall(ffff800022babc80) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800022babc80) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdaaf532e0c0, count: -9 ddb{1}> show registers rdi 0xffff8000247a3000 rsi 0 rbp 0xffff800022bab6f0 rbx 0 rdx 0 rcx 0 rax 0x1 r8 0x60 r9 0x2f2d33bf r10 0x8ff47dd19614e5ef r11 0xc3e6d42e7e0d8bd7 r12 0xffff800022c13e0c r13 0 r14 0xffff800022c13cfa r15 0 rip 0xffffffff81e2f22f rc4_keysetup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022bab690 ss 0x10 rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{1}> show proc PROC (syz-executor.2) pid=254120 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff80002131bce0,0xffff80002131b510 process=0xffff8000ffff0018 user=0xffff800022ba6000, vmspace=0xfffffd8072dc6b90 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 65154 41397 77602 0 2 0 syz-executor.1 65154 61228 77602 0 3 0x4000080 fsleep syz-executor.1 65154 187313 77602 0 3 0x4000080 fsleep syz-executor.1 25984 373422 19449 0 7 0 syz-executor.3 25984 49904 19449 0 2 0x4000000 syz-executor.3 65315 138906 91036 0 2 0 syz-executor.7 65315 141133 91036 0 3 0x4000080 fsleep syz-executor.7 23602 55357 44327 0 2 0 syz-executor.2 *23602 254120 44327 0 7 0x4000000 syz-executor.2 19449 463707 494 0 3 0x82 nanoslp syz-executor.3 77602 426229 494 0 3 0x82 nanoslp syz-executor.1 70422 498424 0 0 3 0x14200 acct acct 74769 168212 494 0 3 0x82 piperd syz-executor.6 6278 396300 1 0 3 0x100083 ttyin getty 44327 158677 494 0 3 0x82 nanoslp syz-executor.2 34009 129677 494 0 3 0x82 piperd syz-executor.4 23708 363866 494 0 3 0x82 nanoslp syz-executor.0 91036 432498 494 0 3 0x82 nanoslp syz-executor.7 21176 280405 0 0 3 0x14200 bored sosplice 56104 294249 0 0 3 0x14280 nfsidl nfsio 79260 326066 0 0 3 0x14280 nfsidl nfsio 41367 268706 0 0 3 0x14280 nfsidl nfsio 76112 105556 0 0 3 0x14280 nfsidl nfsio 92641 332863 0 0 3 0x14280 nfsidl nfsio 4387 127817 0 0 3 0x14280 nfsidl nfsio 26370 256506 0 0 3 0x14280 nfsidl nfsio 10829 165209 0 0 3 0x14280 nfsidl nfsio 40908 500320 0 0 3 0x14280 nfsidl nfsio 84324 85670 0 0 3 0x14280 nfsidl nfsio 37344 335497 0 0 3 0x14280 nfsidl nfsio 69412 1011 0 0 3 0x14280 nfsidl nfsio 60444 33128 0 0 3 0x14280 nfsidl nfsio 92689 8073 0 0 3 0x14280 nfsidl nfsio 19379 230491 0 0 3 0x14280 nfsidl nfsio 94277 103630 0 0 3 0x14280 nfsidl nfsio 4563 401037 0 0 3 0x14280 nfsidl nfsio 51640 200444 0 0 3 0x14280 nfsidl nfsio 45385 103732 0 0 3 0x14280 nfsidl nfsio 86472 284215 0 0 3 0x14280 nfsidl nfsio 494 227029 17180 0 3 0x82 thrsleep syz-fuzzer 494 509178 17180 0 3 0x4000082 nanoslp syz-fuzzer 494 430205 17180 0 2 0x4000002 syz-fuzzer 494 128534 17180 0 3 0x4000082 wait syz-fuzzer 494 165712 17180 0 3 0x4000082 thrsleep syz-fuzzer 494 488800 17180 0 3 0x4000082 thrsleep syz-fuzzer 494 472253 17180 0 3 0x4000082 wait syz-fuzzer 494 49004 17180 0 3 0x4000082 wait syz-fuzzer 494 375368 17180 0 3 0x4000082 thrsleep syz-fuzzer 494 395985 17180 0 3 0x4000082 wait syz-fuzzer 494 50615 17180 0 3 0x4000082 wait syz-fuzzer 494 250974 17180 0 3 0x4000082 wait syz-fuzzer 494 152552 17180 0 3 0x4000082 thrsleep syz-fuzzer 494 319519 17180 0 3 0x4000082 kqread syz-fuzzer 494 254982 17180 0 3 0x4000082 thrsleep syz-fuzzer 494 124480 17180 0 3 0x4000082 wait syz-fuzzer 17180 486192 74466 0 3 0x10008a sigsusp ksh 74466 455548 94694 0 3 0x9a kqread sshd 94694 149135 1 0 3 0x88 kqread sshd 74449 274993 468 74 3 0x1100092 bpf pflogd 468 160135 1 0 3 0x80 netio pflogd 16327 494158 97743 73 3 0x1100090 kqread syslogd 97743 405371 1 0 3 0x100082 netio syslogd 55013 34717 1 0 3 0x100080 kqread resolvd 79142 253252 98523 77 3 0x100092 kqread dhcpleased 46035 513462 98523 77 3 0x100092 kqread dhcpleased 98523 311069 1 0 3 0x80 kqread dhcpleased 12998 505768 0 0 3 0x14200 bored smr 57845 216863 0 0 3 0x14200 pgzero zerothread 82349 481791 0 0 3 0x14200 aiodoned aiodoned 19246 285516 0 0 3 0x14200 syncer update 84610 441224 0 0 3 0x14200 cleaner cleaner 20376 282090 0 0 3 0x14200 reaper reaper 47405 197289 0 0 3 0x14200 pgdaemon pagedaemon 44805 152390 0 0 3 0x14200 bored viomb 91521 102900 0 0 3 0x40014200 acpi0 acpi0 27875 231722 0 0 3 0x40014200 idle1 50344 221491 0 0 3 0x14200 bored softnet 83595 424466 0 0 3 0x14200 bored softnet 93875 421031 0 0 3 0x14200 bored softnet 90252 248796 0 0 3 0x14200 bored softnet 78751 319375 0 0 3 0x14200 bored systqmp 37906 362444 0 0 3 0x14200 bored systq 55075 300908 0 0 3 0x40014200 bored softclock 66095 333181 0 0 3 0x40014200 idle0 1 414208 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 23602 (syz-executor.2) thread 0xffff80002131a000 (254120) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b6b108) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10227 6504K 8063K 78643K 21438 0 pcb 13 18K 23K 78643K 1617 0 rtable 139 14K 25K 78643K 6060 0 ifaddr 85 23K 27K 78643K 1927 0 sysctl 3 1K 1K 78643K 3 0 counters 56 35K 36K 78643K 736 0 ioctlops 1 1K 6K 78643K 6086 0 iov 0 0K 16K 78643K 471 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1526 95K 96K 78643K 6095 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 577 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 375 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 81K 78643K 13368 0 sigio 0 0K 0K 78643K 376 0 proc 70 91K 116K 78643K 4542 0 subproc 91 5K 10K 78643K 1877 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1217 0 in_multi 50 3K 6K 78643K 1683 0 ether_multi 1 0K 0K 78643K 20 0 mrt 1 0K 0K 78643K 23 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 247 1102K 1102K 78643K 247 0 exec 0 0K 2K 78643K 4714 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 479 689K 699K 78643K 76536 0 UVM aobj 140 4K 4K 78643K 152 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 251 0 NDP 14 0K 2K 78643K 568 0 temp 131 4726K 5751K 78643K 92420 0 kqueue 12 18K 24K 78643K 467 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 2372 0 2369 12 11 1 3 0 8 0 rtentry 112 1732 0 1677 4 1 3 4 0 8 0 unpcb 144 19450 0 19432 107 103 4 12 0 8 3 syncache 296 41 0 41 13 12 1 1 0 8 1 tcpqe 32 15 0 15 5 5 0 1 0 8 0 tcpcb 768 3281 0 3208 133 125 8 16 0 8 0 arp 120 315 0 305 1 0 1 1 0 8 0 inpcb 368 10660 0 10653 145 132 13 13 0 8 12 nd6 48 436 0 426 1 0 1 1 0 8 0 pkpcb 40 26 0 26 6 6 0 1 0 8 0 kcovpl 48 139 0 132 1 0 1 1 0 8 0 mppekey 1024 1 0 0 1 0 1 1 0 8 0 ppxss 1256 185 0 183 8 7 1 1 0 8 0 pfstscr 40 15 0 15 4 4 0 1 0 8 0 pffrag 232 37 0 37 1 1 0 1 0 482 0 pffrnode 88 33 0 33 1 1 0 1 0 8 0 pffrent 40 668 0 668 3 3 0 1 0 8 0 pfosfp 40 1432 0 1008 5 0 5 5 0 8 0 pfosfpen 112 1432 0 717 21 0 21 21 0 8 0 pfrktable 1344 361 0 361 4 3 1 2 0 8 1 pfanchor 1280 462 0 65 35 1 34 34 0 8 0 pftag 88 2 0 2 1 1 0 1 0 8 0 pfqueue 264 36 0 36 1 1 0 1 0 8 0 pfstitem 24 41 0 39 1 0 1 1 0 8 0 pfstkey 120 65 0 63 2 1 1 2 0 8 0 pfstate 336 54 0 52 3 2 1 3 0 8 0 pfrule 1360 571 0 570 19 18 1 18 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 5 0 3 3 0 3 3 0 8 1 art_heap4 256 7389 0 7130 46 26 20 29 0 8 3 art_table 32 7394 0 7133 4 0 4 4 0 8 0 art_node 16 1731 0 1684 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 5 1 0 1 1 0 8 0 semapl 112 373 0 363 1 0 1 1 0 8 0 shmpl 112 149 0 21 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 16407 0 14936 93 0 93 93 0 8 0 ffsino 272 16407 0 14936 99 0 99 99 0 8 0 nchpl 144 33520 0 31877 63 0 63 63 0 8 0 rtmask 32 7 0 7 3 3 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 114702 0 114702 5 4 1 2 0 8 1 percpumem 16 380 0 340 1 0 1 1 0 8 0 vcpupl 2048 246 0 1 31 0 31 31 0 8 0 vmpool 568 1010 0 765 18 0 18 18 0 8 0 pfiaddrpl 120 136 0 136 2 1 1 1 0 8 1 kstatmem 264 558 0 530 5 2 3 3 0 8 0 scxspl 216 95284 0 95284 24 23 1 8 0 8 1 plimitpl 152 985 0 971 1 0 1 1 0 8 0 sigapl 424 13435 0 13369 9 1 8 8 0 8 0 futexpl 64 98638 0 98635 4 3 1 1 0 8 0 knotepl 120 666 0 0 9 1 8 8 0 8 0 kqueuepl 216 1681 0 1673 27 22 5 5 0 8 4 pipepl 320 1911 0 1886 43 35 8 13 0 8 5 fdescpl 496 13394 0 13368 8 4 4 5 0 8 0 filepl 152 81020 0 80797 135 117 18 22 0 8 8 lockfpl 104 5717 0 5715 7 6 1 2 0 8 0 lockfspl 48 1314 0 1312 1 0 1 1 0 8 0 sessionpl 144 157 0 141 1 0 1 1 0 8 0 pgrppl 48 184 0 168 1 0 1 1 0 8 0 ucredpl 104 5250 0 5238 1 0 1 1 0 8 0 zombiepl 144 13370 0 13369 1 0 1 1 0 8 0 processpl 1064 13435 0 13369 5 0 5 5 0 8 0 procpl 672 33924 0 33838 13 4 9 10 0 8 0 srpgc 96 352 0 352 8 7 1 1 0 8 1 sosppl 168 18 0 18 5 5 0 1 0 8 0 sockpl 488 32510 0 32482 583 555 28 43 0 8 23 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 23 0 0 3 1 2 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 27 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 436 0 0 52 16 36 52 0 8 0 mtagpl 96 307 0 0 5 0 5 5 0 8 0 mbufpl 256 6749 0 0 410 0 410 410 0 8 0 bufpl 288 20355 0 14026 453 0 453 453 0 8 0 anonpl 24 2434703 0 2418466 285 167 118 178 0 186 0 amapchunkpl 152 212827 0 212097 89 57 32 61 0 158 1 amappl16 200 32711 0 32081 148 111 37 57 0 8 0 amappl15 192 1666 0 1658 1 0 1 1 0 8 0 amappl14 184 2892 0 2883 1 0 1 1 0 8 0 amappl13 176 3309 0 3305 1 0 1 1 0 8 0 amappl12 168 822 0 816 1 0 1 1 0 8 0 amappl11 160 559 0 539 4 3 1 2 0 8 0 amappl10 152 585 0 581 1 0 1 1 0 8 0 amappl9 144 2772 0 2767 1 0 1 1 0 8 0 amappl8 136 5506 0 5387 5 0 5 5 0 8 0 amappl7 128 3378 0 3353 1 0 1 1 0 8 0 amappl6 120 3162 0 3145 2 1 1 2 0 8 0 amappl5 112 8865 0 8847 1 0 1 1 0 8 0 amappl4 104 5196 0 5161 2 0 2 2 0 8 0 amappl3 96 39587 0 39536 2 0 2 2 0 8 0 amappl2 88 4717 0 4662 2 0 2 2 0 8 0 amappl1 80 326207 0 325564 21 5 16 20 0 8 0 amappl 88 73650 0 73396 7 0 7 7 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 72 151 0 12 3 0 3 3 0 8 0 uaddrrnd 24 14404 0 14133 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14404 0 14133 2 0 2 2 0 8 0 vmmpekpl 168 92086 0 91983 6 0 6 6 0 8 0 vmmpepl 168 1367087 0 1363976 254 94 160 163 0 357 9 vmsppl 368 14403 0 14133 30 4 26 26 0 8 1 rwobjpl 56 317337 0 309480 135 21 114 118 0 8 0 pdppl 4096 28815 0 28511 1360 1046 314 314 0 8 10 pvpl 32 5113121 0 5094542 442 255 187 311 0 265 0 pmappl 248 14403 0 14133 19 1 18 18 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2777 0 1259 44 0 44 44 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82940ff0) 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 end of kernel end trace frame: 0x7f7fffffb5d0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at rc4_keysetup+0xaf: divl 0xffffffffffffffac(%rbp),%eax ddb{1}> trace rc4_keysetup(ffff800022c13cfa,ffff800022c13e0c,0) at rc4_keysetup+0xaf sys/crypto/arc4.c:41 pipex_mppe_init(ffff800022c13cc0,ffff8f17,4b19,ffff800000d8126c,ffff8f17) at pipex_mppe_init+0x212 sys/net/pipex.c:2319 pipex_init_session(ffff800022bab868,ffff800000d81000) at pipex_init_session+0x5e1 pipex_session_init_mppe_recv sys/net/pipex.c:2327 [inline] pipex_init_session(ffff800022bab868,ffff800000d81000) at pipex_init_session+0x5e1 sys/net/pipex.c:385 pppacioctl(4086337,82907003,ffff800000d81000,1,ffff80002131a000) at pppacioctl+0x156 pppac_add_session sys/net/if_pppx.c:1315 [inline] pppacioctl(4086337,82907003,ffff800000d81000,1,ffff80002131a000) at pppacioctl+0x156 sys/net/if_pppx.c:1165 VOP_IOCTL(fffffd807202d1c0,82907003,ffff800000d81000,1,fffffd807f7d75b0,ffff80002131a000) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80658558f8,82907003,ffff800000d81000,ffff80002131a000) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002131a000,ffff800022babbb8,ffff800022babc00) at sys_ioctl+0x4a2 syscall(ffff800022babc80) at syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800022babc80) at syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdaaf532e0c0, count: -9