uvm_fault(0xffffffff82344b88, 0xffff800000a3b000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff82344b88, 0xffff800000a3b000, 0, 1) -> e strlcpy(ffff800000a02f90,ffff800000a3aeb2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff800021c46f60, count: 0 ddb{1}> trace strlcpy(ffff800000a02f90,ffff800000a3aeb2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000a3aeb2) at rtlabel_name2id+0x13d sys/net/route.c:1541 rtrequest(1,ffff800021c47110,38,ffff800021c47088,0) at rtrequest+0x5eb sys/net/route.c:880 rtm_output(ffff800000a3ae00,ffff800021c471c0,ffff800021c47110,38,0) at rtm_output+0x6e5 sys/net/rtsock.c:896 route_output(fffffd8068e41500,fffffd8075588aa0,0,0) at route_output+0x7d2 sys/net/rtsock.c:814 route_usrreq(fffffd8075588aa0,9,fffffd8068e41500,0,0,ffff800020b61530) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd8075588aa0,0,ffff800021c473b0,0,0,80) at sosend+0x668 sys/kern/uipc_socket.c:513 sendit(ffff800020b61530,3,ffff800021c47490,0,ffff800021c475a0) at sendit+0x52c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b61530,ffff800021c47538,ffff800021c475a0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800021c47610) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800021c47610) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffffd8,0,6,d1696c76010) at Xsyscall+0x128 end of kernel end trace frame: 0xd19037657b0, count: -11 ddb{1}> show registers rdi 0xffffffff81ce1d45 strlcpy+0xc5 rsi 0x62c rbp 0xffff800021c46f10 rbx 0xffff800000a3b001 rdx 0x62d rcx 0xffff800022e2c000 rax 0xffff800022e2c000 r8 0x38 r9 0x5 r10 0x74a8035b8a5c07d2 r11 0x268f82ee1917e883 r12 0 r13 0x7f r14 0xffff800000a3aeb2 r15 0xdf rip 0xffffffff81ce1d4f strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800021c46ec0 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{1}> show proc PROC (syz-executor.1) pid=9886 stat=onproc flags process=0 proc=4000000 pri=76, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff800020b61080,0xffffffff823705f0 process=0xffff800020b8c6a8 user=0xffff800021c42000, vmspace=0xfffffd807f00c9d8 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62509 346191 51785 0 7 0 syz-executor.1 *62509 9886 51785 0 7 0x4000000 syz-executor.1 82683 440482 24529 0 2 0 syz-executor.0 82683 386243 24529 0 3 0x4000080 kqread syz-executor.0 26878 488948 1 0 3 0x100083 ttyin getty 94756 406457 0 0 3 0x14200 bored sosplice 51785 279997 92003 0 3 0x82 nanosleep syz-executor.1 24529 232240 92003 0 3 0x82 nanosleep syz-executor.0 92003 42734 41979 0 3 0x82 thrsleep syz-fuzzer 92003 99912 41979 0 3 0x4000082 thrsleep syz-fuzzer 92003 199812 41979 0 3 0x4000082 thrsleep syz-fuzzer 92003 98527 41979 0 3 0x4000082 thrsleep syz-fuzzer 92003 136173 41979 0 3 0x4000082 thrsleep syz-fuzzer 92003 103917 41979 0 3 0x4000082 kqread syz-fuzzer 92003 243078 41979 0 3 0x4000082 thrsleep syz-fuzzer 92003 228451 41979 0 3 0x4000082 thrsleep syz-fuzzer 92003 71410 41979 0 3 0x4000082 thrsleep syz-fuzzer 92003 183754 41979 0 3 0x4000082 thrsleep syz-fuzzer 41979 59233 45431 0 3 0x10008a pause ksh 45431 12160 61104 0 3 0x92 select sshd 61104 519294 1 0 3 0x80 select sshd 31096 229177 73487 74 3 0x100092 bpf pflogd 73487 207584 1 0 3 0x80 netio pflogd 19831 65266 57718 73 2 0x100090 syslogd 57718 491824 1 0 3 0x100082 netio syslogd 38371 486272 1 77 3 0x100090 poll dhclient 15034 351193 1 0 3 0x80 poll dhclient 25917 504231 0 0 2 0x14200 zerothread 32775 148767 0 0 3 0x14200 aiodoned aiodoned 2723 176733 0 0 3 0x14200 syncer update 28221 114376 0 0 3 0x14200 cleaner cleaner 42033 193258 0 0 3 0x14200 reaper reaper 49191 97856 0 0 3 0x14200 pgdaemon pagedaemon 26237 301060 0 0 3 0x14200 bored crynlk 84295 504068 0 0 3 0x14200 bored crypto 26330 384993 0 0 3 0x40014200 acpi0 acpi0 40107 409728 0 0 3 0x40014200 idle1 11654 189507 0 0 3 0x14200 bored softnet 50158 221012 0 0 3 0x14200 bored systqmp 63050 315367 0 0 3 0x14200 bored systq 52185 224223 0 0 3 0x40014200 bored softclock 55588 243467 0 0 3 0x40014200 idle0 66829 206201 0 0 3 0x14200 bored smr 1 77189 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 62509 (syz-executor.1) thread 0xffff800020b61530 (9886) exclusive rwlock netlock r = 0 (0xffffffff821a2778) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 rtm_output+0x651 sys/net/rtsock.c:892 #2 route_output+0x7d2 sys/net/rtsock.c:814 #3 route_usrreq+0x363 sys/net/rtsock.c:271 #4 sosend+0x668 sys/kern/uipc_socket.c:513 #5 sendit+0x52c sys/kern/uipc_syscalls.c:662 #6 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #7 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #7 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff823785a0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 sosend+0x52c sys/kern/uipc_socket.c:501 #3 sendit+0x52c sys/kern/uipc_syscalls.c:662 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #5 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #5 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9538 6442K 14630K 78643K 16084 0 0 pcb 27 9K 11K 78643K 1310 0 0 rtable 114 4K 4K 78643K 703 0 0 ifaddr 62 15K 16K 78643K 315 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1573 0 0 iov 0 0K 24K 78643K 310 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1197 75K 76K 78643K 3489 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 36 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 1K 1K 78643K 168 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 6 17K 25K 78643K 2908 0 0 sigio 0 0K 0K 78643K 36 0 0 proc 54 51K 83K 78643K 706 0 0 subproc 32 2K 2K 78643K 42 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 251 0 0 in_multi 33 2K 2K 78643K 129 0 0 ether_multi 1 0K 0K 78643K 11 0 0 mrt 0 0K 0K 78643K 10 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 90 397K 397K 78643K 90 0 0 exec 0 0K 1K 78643K 395 0 0 pfkey data 0 0K 4K 78643K 4 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 99 21K 30K 78643K 10348 0 0 UVM aobj 130 7K 7K 78643K 144 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 116 0 0 NDP 13 0K 0K 78643K 83 0 0 temp 179 2731K 3371K 78643K 11925 0 0 kqueue 0 0K 0K 78643K 33 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 inpcbpl 280 1096 0 1089 1 0 1 1 0 8 0 plimitpl 152 75 0 67 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 56 0 10 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 7 0 7 1 1 0 1 0 8 0 tcpcb 544 399 0 395 1 0 1 1 0 8 0 rttmr 72 2 0 2 2 2 0 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 52 0 52 9 8 1 1 0 8 1 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 34 0 22 1 0 1 1 0 8 0 pfstkey 112 34 0 22 1 0 1 1 0 8 0 pfstate 328 34 0 22 3 1 2 2 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 256 194 0 0 13 0 13 13 0 8 0 art_table 32 195 0 0 2 0 2 2 0 8 0 art_node 16 47 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 166 0 156 1 0 1 1 0 8 0 shmpl 112 142 0 14 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6203 0 4746 51 3 48 48 0 8 0 ffsino 272 6203 0 4746 99 1 98 98 0 8 0 nchpl 144 10444 0 8801 62 0 62 62 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 31689 0 31689 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 9 0 9 7 7 0 1 0 8 0 scxspl 192 33191 0 33191 24 21 3 6 0 8 3 sigapl 432 3112 0 3096 3 1 2 3 0 8 0 futexpl 56 30493 0 30493 1 0 1 1 0 8 1 knotepl 112 539 0 520 1 0 1 1 0 8 0 kqueuepl 104 596 0 593 1 0 1 1 0 8 0 pipepl 112 1704 0 1685 6 5 1 2 0 8 0 fdescpl 488 3113 0 3096 3 0 3 3 0 8 0 filepl 152 17356 0 17254 8 3 5 6 0 8 1 lockfpl 104 850 0 850 3 2 1 1 0 8 1 lockfspl 48 295 0 295 3 2 1 1 0 8 1 sessionpl 112 22 0 11 1 0 1 1 0 8 0 pgrppl 48 44 0 33 1 0 1 1 0 8 0 ucredpl 96 3870 0 3861 1 0 1 1 0 8 0 zombiepl 144 3096 0 3096 2 1 1 1 0 8 1 processpl 840 3129 0 3096 4 0 4 4 0 8 0 procpl 600 9452 0 9408 4 0 4 4 0 8 0 srpgc 64 2 0 2 2 2 0 1 0 8 0 sosppl 128 30 0 30 10 10 0 1 0 8 0 sockpl 384 2268 0 2247 6 3 3 4 0 8 0 mcl64k 65536 237 0 0 30 1 29 30 0 8 1 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 15 0 0 2 0 2 2 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 129 0 0 15 0 15 15 0 8 0 mtagpl 80 4 0 0 1 0 1 1 0 8 0 mbufpl 256 405 0 0 19 1 18 18 0 8 0 bufpl 256 12681 0 5673 439 0 439 439 0 8 0 anonpl 16 289694 0 280251 125 69 56 56 0 125 16 amapchunkpl 152 18431 0 18332 34 25 9 10 0 158 4 amappl16 192 15452 0 14955 106 69 37 38 0 8 12 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 47 0 41 2 1 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 14 0 12 1 0 1 1 0 8 0 amappl11 152 64 0 45 1 0 1 1 0 8 0 amappl10 144 1496 0 1491 1 0 1 1 0 8 0 amappl9 136 2047 0 2042 1 0 1 1 0 8 0 amappl8 128 1603 0 1584 1 0 1 1 0 8 0 amappl7 120 1425 0 1422 1 0 1 1 0 8 0 amappl6 112 61 0 53 1 0 1 1 0 8 0 amappl5 104 134 0 119 1 0 1 1 0 8 0 amappl4 96 3289 0 3263 1 0 1 1 0 8 0 amappl3 88 282 0 272 1 0 1 1 0 8 0 amappl2 80 23918 0 23839 4 2 2 3 0 8 0 amappl1 72 74622 0 74155 26 16 10 20 0 8 0 amappl 80 9716 0 9677 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 dma64 64 259 0 259 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 64 143 0 14 3 0 3 3 0 8 0 uaddrrnd 24 3113 0 3096 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3113 0 3096 1 0 1 1 0 8 0 vmmpekpl 168 27657 0 27625 2 0 2 2 0 8 0 vmmpepl 168 330627 0 328976 148 65 83 84 0 357 11 vmsppl 360 3112 0 3096 2 0 2 2 0 8 0 pdppl 4096 6233 0 6192 6 0 6 6 0 8 0 pvpl 32 820883 0 808163 234 92 142 143 0 265 38 pmappl 232 3112 0 3096 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 636 0 7 18 0 18 18 0 8 0