uvm_fault(0xffffffff825236c0, 0xfffffd806f6cf118, 0, 4) -> e kernel: page fault trap, code=0 Stopped at 0xfffffd806f6cf118: addb %al,0(%rax) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff825236c0, 0xfffffd806f6cf118, 0, 4) -> e fffffd806f6cf118(b,ffff800022d6f088,83,ffff800022d6f128,0,b) at 0xfffffd806f6cf118 end trace frame: 0xffff800022d6f180, count: 0 ddb{0}> trace fffffd806f6cf118(b,ffff800022d6f088,83,ffff800022d6f128,0,b) at 0xfffffd806f6cf118 rt_clone(ffff800022d6f198,fffffd806f6cf5f8,0) at rt_clone+0x78 sys/net/route.c:266 rtalloc_mpath(fffffd806f6cf5f8,0,0) at rtalloc_mpath+0xba rt_match sys/net/route.c:244 [inline] rtalloc_mpath(fffffd806f6cf5f8,0,0) at rtalloc_mpath+0xba sys/net/route.c:359 in_pcbselsrc(ffff800022d6f270,fffffd806f54db20,fffffd806f6cf578) at in_pcbselsrc+0x219 sys/netinet/in_pcb.c:934 in_pcbconnect(fffffd806f6cf578,fffffd806f54db00) at in_pcbconnect+0x107 sys/netinet/in_pcb.c:492 udp_usrreq(fffffd806f6d0000,4,0,fffffd806f54db00,0,ffff800020abf3d8) at udp_usrreq+0x560 sys_connect(ffff800020abf3d8,ffff800022d6f3f8,ffff800022d6f440) at sys_connect+0x3df sys/kern/uipc_syscalls.c:388 syscall(ffff800022d6f4c0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800022d6f4c0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,fffffffffffffed2,0,3,4dffd246010) at Xsyscall+0x128 end of kernel end trace frame: 0x4e242efb570, count: -9 ddb{0}> show registers rdi 0xffff800000a67000 rsi 0xb rbp 0xffff800022d6f070 rbx 0xfffffd8062d3f158 rdx 0xfffffd8062d3f158 rcx 0xffff800023bb8000 rax 0xffff800023bb8000 r8 0x100 r9 0 r10 0x6f2c2ada596916ea r11 0xfffffd806f6cf118 r12 0xfffffd8062d3f158 r13 0xffff800022d6f088 r14 0xffff800022d6f128 r15 0xffff800000025500 rip 0xfffffd806f6cf118 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022d6ef78 ss 0x10 0xfffffd806f6cf118: addb %al,0(%rax) ddb{0}> show proc PROC (syz-executor.0) pid=14781 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020abfb40,0xffff800020abf8d8 process=0xffff800020add500 user=0xffff800022d6a000, vmspace=0xfffffd807f00b170 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67105 116917 88943 0 7 0 syz-executor.1 69015 222151 73452 0 2 0 syz-executor.0 *69015 14781 73452 0 7 0x4000000 syz-executor.0 73452 135624 20555 0 3 0x82 nanosleep syz-executor.0 88943 433225 20555 0 3 0x82 nanosleep syz-executor.1 87695 475713 0 0 3 0x14200 bored sosplice 20555 356567 60662 0 3 0x82 thrsleep syz-fuzzer 20555 453248 60662 0 2 0x4000482 syz-fuzzer 20555 251873 60662 0 3 0x4000082 thrsleep syz-fuzzer 20555 135147 60662 0 2 0x4000482 syz-fuzzer 20555 475031 60662 0 3 0x4000082 thrsleep syz-fuzzer 20555 388964 60662 0 3 0x4000082 kqread syz-fuzzer 20555 169382 60662 0 3 0x4000082 thrsleep syz-fuzzer 20555 217108 60662 0 3 0x4000082 thrsleep syz-fuzzer 20555 309565 60662 0 3 0x4000082 thrsleep syz-fuzzer 20555 186257 60662 0 3 0x4000082 thrsleep syz-fuzzer 60662 111998 54975 0 3 0x10008a pause ksh 54975 460144 54351 0 3 0x92 select sshd 86923 502038 1 0 3 0x100083 ttyin getty 54351 188936 1 0 3 0x80 select sshd 42816 386023 12540 74 3 0x100092 bpf pflogd 12540 401350 1 0 3 0x80 netio pflogd 75536 494992 25584 73 3 0x100090 kqread syslogd 25584 472368 1 0 3 0x100082 netio syslogd 32516 282632 1 77 3 0x100090 poll dhclient 60770 313919 1 0 3 0x80 poll dhclient 40476 392674 0 0 3 0x14200 pgzero zerothread 65108 219908 0 0 3 0x14200 aiodoned aiodoned 80634 84737 0 0 3 0x14200 syncer update 73108 435959 0 0 3 0x14200 cleaner cleaner 79676 98208 0 0 3 0x14200 reaper reaper 11031 87475 0 0 3 0x14200 pgdaemon pagedaemon 16553 232807 0 0 3 0x14200 bored crynlk 8284 299106 0 0 3 0x14200 bored crypto 12627 184230 0 0 3 0x40014200 acpi0 acpi0 9994 422103 0 0 3 0x40014200 idle1 35703 361950 0 0 3 0x14200 bored softnet 93660 342612 0 0 3 0x14200 bored systqmp 61210 225856 0 0 3 0x14200 bored systq 29657 481875 0 0 3 0x40014200 bored softclock 73417 200474 0 0 3 0x40014200 idle0 64692 272886 0 0 3 0x14200 bored smr 1 76127 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 69015 (syz-executor.0) thread 0xffff800020abf3d8 (14781) exclusive rwlock netlock r = 0 (0xffffffff824b31d8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sys_connect+0x6b sys/kern/uipc_syscalls.c:362 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 2 (0xffffffff82631ba8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9541 7051K 7555K 78643K 12262 0 0 pcb 13 10K 12K 78643K 420 0 0 rtable 113 4K 5K 78643K 623 0 0 ifaddr 70 15K 15K 78643K 199 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1505 0 0 iov 0 0K 16K 78643K 376 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1218 77K 77K 78643K 2285 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 9 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 1K 78643K 1596 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 2690 0 0 sigio 0 0K 0K 78643K 12 0 0 proc 62 63K 95K 78643K 669 0 0 subproc 32 2K 2K 78643K 119 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 1728 0 0 in_multi 34 2K 2K 78643K 388 0 0 ether_multi 1 0K 0K 78643K 11 0 0 mrt 0 0K 0K 78643K 3 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 2054 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 106 22K 24K 78643K 8220 0 0 UVM aobj 130 4K 4K 78643K 130 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 152 0 0 NDP 15 0K 0K 78643K 60 0 0 temp 193 3560K 4195K 78643K 19187 0 0 kqueue 0 0K 0K 78643K 5 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 15 0 8 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 80 0 78 1 0 1 1 0 8 0 rtentry 112 104 0 59 2 0 2 2 0 8 0 unpcb 120 2392 0 2382 8 6 2 3 0 8 1 syncache 264 7 0 7 3 3 0 1 0 8 0 tcpqe 32 5576 0 5576 3 3 0 1 0 8 0 tcpcb 544 2253 0 2249 11 10 1 11 0 8 0 inpcb 280 7478 0 7470 12 10 2 9 0 8 1 nd6 48 15 0 11 1 0 1 1 0 8 0 ppxss 1128 21 0 21 4 3 1 1 0 8 1 pffrag 232 6 0 6 3 3 0 1 0 482 0 pffrnode 88 6 0 6 3 3 0 1 0 8 0 pffrent 40 14 0 14 3 3 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 83 0 49 1 0 1 1 0 8 0 pfstkey 112 83 0 49 1 0 1 1 0 8 0 pfstate 328 83 0 49 3 0 3 3 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 256 471 0 246 17 2 15 15 0 8 0 art_table 32 472 0 246 2 0 2 2 0 8 0 art_node 16 102 0 61 1 0 1 1 0 8 0 sysvmsgpl 40 88 0 76 1 0 1 1 0 8 0 semupl 112 9 0 9 1 1 0 1 0 8 0 semapl 112 1594 0 1584 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 8264 0 6859 46 0 46 46 0 8 0 ffsino 272 8264 0 6859 95 0 95 95 0 8 0 nchpl 144 14348 0 12737 61 0 61 61 0 8 0 uvmvnodes 72 5963 0 0 109 0 109 109 0 8 0 vnodes 208 5963 0 0 314 0 314 314 0 8 0 namei 1024 48325 0 48325 4 3 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 34360 0 34360 14 13 1 7 0 8 1 plimitpl 152 61 0 53 1 0 1 1 0 8 0 sigapl 432 2875 0 2859 3 1 2 3 0 8 0 futexpl 56 95575 0 95575 2 1 1 1 0 8 1 knotepl 112 1675 0 1656 2 1 1 2 0 8 0 kqueuepl 104 4674 0 4672 4 3 1 4 0 8 0 pipepl 112 2316 0 2297 5 4 1 2 0 8 0 fdescpl 488 2876 0 2859 3 0 3 3 0 8 0 filepl 152 39644 0 39543 22 16 6 13 0 8 2 lockfpl 104 3734 0 3733 1 0 1 1 0 8 0 lockfspl 48 1769 0 1768 1 0 1 1 0 8 0 sessionpl 112 23 0 12 1 0 1 1 0 8 0 pgrppl 48 35 0 24 1 0 1 1 0 8 0 ucredpl 96 1480 0 1471 1 0 1 1 0 8 0 zombiepl 144 2861 0 2861 4 3 1 1 0 8 1 processpl 896 2894 0 2861 4 0 4 4 0 8 0 procpl 632 7227 0 7184 10 5 5 5 0 8 1 srpgc 64 6 0 6 3 2 1 1 0 8 1 sosppl 128 14 0 14 5 4 1 1 0 8 1 sockpl 384 9952 0 9932 36 30 6 14 0 8 4 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 140 0 0 17 0 17 17 0 8 0 mtagpl 80 19 0 0 1 0 1 1 0 8 0 mbufpl 256 278 0 0 11 1 10 11 0 8 0 bufpl 256 13245 0 6197 441 0 441 441 0 8 0 anonpl 16 236986 0 220651 95 24 71 85 0 124 0 amapchunkpl 152 13556 0 13443 19 13 6 12 0 158 1 amappl16 192 13827 0 12851 68 18 50 62 0 8 1 amappl15 184 104 0 103 1 0 1 1 0 8 0 amappl14 176 1091 0 1088 2 1 1 1 0 8 0 amappl13 168 1089 0 1089 1 1 0 1 0 8 0 amappl12 160 22 0 19 1 0 1 1 0 8 0 amappl11 152 71 0 56 1 0 1 1 0 8 0 amappl10 144 182 0 176 1 0 1 1 0 8 0 amappl9 136 933 0 927 1 0 1 1 0 8 0 amappl8 128 472 0 445 1 0 1 1 0 8 0 amappl7 120 228 0 219 1 0 1 1 0 8 0 amappl6 112 75 0 64 1 0 1 1 0 8 0 amappl5 104 1542 0 1527 1 0 1 1 0 8 0 amappl4 96 2448 0 2415 1 0 1 1 0 8 0 amappl3 88 1552 0 1547 1 0 1 1 0 8 0 amappl2 80 22845 0 22768 3 1 2 3 0 8 0 amappl1 72 62787 0 62335 26 16 10 20 0 8 0 amappl 80 7544 0 7505 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 129 0 0 3 0 3 3 0 8 0 uaddrrnd 24 2876 0 2859 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2876 0 2859 1 0 1 1 0 8 0 vmmpekpl 168 25851 0 25819 2 0 2 2 0 8 0 vmmpepl 168 344524 0 342334 241 110 131 131 0 357 32 vmsppl 368 2875 0 2859 2 0 2 2 0 8 0 pdppl 4096 5759 0 5718 7 1 6 6 0 8 0 pvpl 32 683226 0 663683 243 73 170 209 0 265 4 pmappl 232 2875 0 2859 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 623 0 20 18 0 18 18 0 8 0