uvm_fault(0xffffffff8230f3b8, 0xffff800000a01000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff8230f3b8, 0xffff800000a01000, 0, 1) -> e strlcpy(ffff80000005cd90,ffff800000a00ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff80002300b2c0, count: 0 ddb{0}> trace strlcpy(ffff80000005cd90,ffff800000a00ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000a00ee2) at rtlabel_name2id+0x13d sys/net/route.c:1614 rtrequest(1,ffff80002300b470,0,ffff80002300b3e8,0) at rtrequest+0x64b sys/net/route.c:893 rtm_output(ffff800000a00e00,ffff80002300b520,ffff80002300b470,0,0) at rtm_output+0x6e1 sys/net/rtsock.c:900 route_output(fffffd8069439500,fffffd806f6f8900,0,0) at route_output+0x7e2 sys/net/rtsock.c:818 route_usrreq(fffffd806f6f8900,9,fffffd8069439500,0,0,ffff800020b23160) at route_usrreq+0x363 sys/net/rtsock.c:275 sosend(fffffd806f6f8900,0,ffff80002300b710,0,0,0) at sosend+0x668 sys/kern/uipc_socket.c:524 sendit(ffff800020b23160,3,ffff80002300b7f0,0,ffff80002300b8f0) at sendit+0x52f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b23160,ffff80002300b888,ffff80002300b8f0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff80002300b960) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff80002300b960) at syscall+0x552 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffffd8,0,6,3e784af0010) at Xsyscall+0x128 end of kernel end trace frame: 0x3e9ff1c9b50, count: -11 ddb{0}> show registers rdi 0xffffffff813a33b5 strlcpy+0xc5 rsi 0x5be rbp 0xffff80002300b270 rbx 0xffff800000a01001 rdx 0x5bf rcx 0xffff800022e06000 rax 0xffff800022e06000 r8 0x38 r9 0x5 r10 0x77538404da43d37a r11 0x39450adbf0a04b40 r12 0 r13 0x27 r14 0xffff800000a00ee2 r15 0xff rip 0xffffffff813a33bf strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80002300b220 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{0}> show proc PROC (syz-executor.1) pid=332970 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff800020b233d8,0xffffffff823b83d8 process=0xffff800020b7dc00 user=0xffff800023006000, vmspace=0xfffffd807effe170 estcpu=27, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61657 138896 26596 0 7 0 syz-executor.1 *61657 332970 26596 0 7 0x4000000 syz-executor.1 94374 143640 79380 0 2 0x2 syz-executor.0 26596 445261 79380 0 3 0x82 nanosleep syz-executor.1 41581 121999 0 0 3 0x14200 bored sosplice 79380 163246 58275 0 3 0x82 thrsleep syz-fuzzer 79380 143173 58275 0 3 0x4000082 nanosleep syz-fuzzer 79380 35201 58275 0 3 0x4000082 thrsleep syz-fuzzer 79380 78315 58275 0 3 0x4000082 thrsleep syz-fuzzer 79380 77975 58275 0 3 0x4000082 thrsleep syz-fuzzer 79380 57705 58275 0 3 0x4000082 kqread syz-fuzzer 79380 499618 58275 0 3 0x4000082 nanosleep syz-fuzzer 79380 137436 58275 0 3 0x4000082 thrsleep syz-fuzzer 79380 500279 58275 0 3 0x4000082 thrsleep syz-fuzzer 79380 102539 58275 0 3 0x4000082 thrsleep syz-fuzzer 58275 328958 68866 0 3 0x10008a pause ksh 68866 407475 39189 0 3 0x92 select sshd 24124 168002 1 0 3 0x100083 ttyin getty 39189 368598 1 0 3 0x80 select sshd 23051 158965 67585 74 3 0x100092 bpf pflogd 67585 305799 1 0 3 0x80 netio pflogd 15889 77849 50593 73 3 0x100090 kqread syslogd 50593 128254 1 0 3 0x100082 netio syslogd 75463 46019 1 77 3 0x100090 poll dhclient 2421 283956 1 0 3 0x80 poll dhclient 26392 311882 0 0 3 0x14200 pgzero zerothread 27129 210316 0 0 3 0x14200 aiodoned aiodoned 42430 248114 0 0 3 0x14200 syncer update 95614 105320 0 0 3 0x14200 cleaner cleaner 77933 243913 0 0 3 0x14200 reaper reaper 7319 472738 0 0 3 0x14200 pgdaemon pagedaemon 88268 473996 0 0 3 0x14200 bored crynlk 57571 8110 0 0 3 0x14200 bored crypto 28195 152424 0 0 3 0x40014200 acpi0 acpi0 45133 351694 0 0 3 0x40014200 idle1 32008 106676 0 0 3 0x14200 bored softnet 8327 299625 0 0 3 0x14200 bored systqmp 91719 50517 0 0 3 0x14200 bored systq 24812 93986 0 0 3 0x40014200 bored softclock 20307 373768 0 0 3 0x40014200 idle0 26327 335927 0 0 3 0x14200 bored smr 1 165960 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 61657 (syz-executor.1) thread 0xffff800020b23160 (332970) exclusive rwlock netlock r = 0 (0xffffffff822221e8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rtm_output+0x64d sys/net/rtsock.c:896 #2 route_output+0x7e2 sys/net/rtsock.c:818 #3 route_usrreq+0x363 sys/net/rtsock.c:275 #4 sosend+0x668 sys/kern/uipc_socket.c:524 #5 sendit+0x52f 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:92 [inline] #7 syscall+0x552 sys/arch/amd64/amd64/trap.c:555 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8239f4d8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 sosend+0x52c sys/kern/uipc_socket.c:512 #3 sendit+0x52f 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:92 [inline] #5 syscall+0x552 sys/arch/amd64/amd64/trap.c:555 #6 Xsyscall+0x128 Process 94374 (syz-executor.0) thread 0xffff800020b22c70 (143640) exclusive rrwlock inode r = 0 (0xfffffd807d5895e8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rw_enter+0x46d sys/kern/kern_rwlock.c:306 #2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435 #3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1352 #5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392 #6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1164 #7 VOP_MKDIR+0xce sys/kern/vfs_vops.c:449 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:2983 #9 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:92 [inline] #9 syscall+0x552 sys/arch/amd64/amd64/trap.c:555 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067dd6f88) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rw_enter+0x46d sys/kern/kern_rwlock.c:306 #2 rrw_enter+0x4f sys/kern/kern_rwlock.c:435 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:602 #4 vn_lock+0x6e sys/kern/vfs_vnops.c:561 #5 vfs_lookup+0xec sys/kern/vfs_lookup.c:418 #6 namei+0x61c sys/kern/vfs_lookup.c:248 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:2968 #8 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:92 [inline] #8 syscall+0x552 sys/arch/amd64/amd64/trap.c:555 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9518 6426K 7034K 78643K 13473 0 0 pcb 13 8K 8K 78643K 75 0 0 rtable 89 4K 4K 78643K 402 0 0 ifaddr 50 11K 13K 78643K 126 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1519 0 0 iov 0 0K 16K 78643K 58 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1210 76K 77K 78643K 2086 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 12 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 408 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 5 13K 25K 78643K 1374 0 0 sigio 0 0K 0K 78643K 13 0 0 proc 53 50K 83K 78643K 550 0 0 subproc 32 2K 2K 78643K 68 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 55 0 0 in_multi 22 1K 2K 78643K 82 0 0 ether_multi 1 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 84 371K 371K 78643K 84 0 0 exec 0 0K 1K 78643K 275 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 97 21K 21K 78643K 5058 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 1K 78643K 37 0 0 NDP 10 0K 0K 78643K 35 0 0 temp 156 2750K 2864K 78643K 13921 0 0 kqueue 0 0K 0K 78643K 2 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 10 0 6 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 44 0 41 1 0 1 1 0 8 0 rtentry 112 68 0 34 2 0 2 2 0 8 0 unpcb 120 219 0 209 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 8826 0 8826 2 2 0 2 0 8 0 tcpcb 544 113 0 109 1 0 1 1 0 8 0 inpcb 280 532 0 525 2 1 1 2 0 8 0 nd6 48 12 0 9 1 0 1 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 13 0 13 3 3 0 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 2 0 2 1 1 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 24 0 14 1 0 1 1 0 8 0 pfstkey 112 25 0 15 1 0 1 1 0 8 0 pfstate 328 25 0 15 2 0 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 256 280 0 132 12 0 12 12 0 8 2 art_table 32 281 0 132 2 0 2 2 0 8 0 art_node 16 66 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 2 1 0 1 1 0 8 0 semapl 112 406 0 396 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 3231 0 1814 47 0 47 47 0 8 0 ffsino 272 3231 0 1814 96 0 96 96 0 8 0 nchpl 144 5251 0 3623 62 0 62 62 0 8 0 uvmvnodes 72 3955 0 0 72 0 72 72 0 8 0 vnodes 200 3955 0 0 209 0 209 209 0 8 0 namei 1024 15500 0 15499 2 1 1 1 0 8 0 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 3 0 3 2 1 1 1 0 8 1 scxspl 192 14348 0 14348 11 10 1 6 0 8 1 plimitpl 152 72 0 64 1 0 1 1 0 8 0 sigapl 432 1568 0 1553 3 1 2 3 0 8 0 futexpl 56 12835 0 12835 1 0 1 1 0 8 1 knotepl 112 181 0 162 1 0 1 1 0 8 0 kqueuepl 104 134 0 132 1 0 1 1 0 8 0 pipepl 112 672 0 653 2 1 1 2 0 8 0 fdescpl 488 1569 0 1553 5 2 3 3 0 8 0 filepl 152 7147 0 7047 8 3 5 7 0 8 1 lockfpl 104 610 0 610 2 1 1 1 0 8 1 lockfspl 48 191 0 191 2 1 1 1 0 8 1 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 28 0 17 1 0 1 1 0 8 0 ucredpl 96 1093 0 1084 1 0 1 1 0 8 0 zombiepl 144 1553 0 1553 2 1 1 1 0 8 1 processpl 896 1585 0 1553 4 0 4 4 0 8 0 procpl 632 4186 0 4144 7 2 5 5 0 8 1 srpgc 64 6 0 6 2 1 1 1 0 8 1 sosppl 128 8 0 8 3 2 1 1 0 8 1 sockpl 384 904 0 884 5 2 3 4 0 8 1 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 190 0 0 23 0 23 23 0 8 0 mtagpl 80 21 0 0 1 0 1 1 0 8 0 mbufpl 256 224 0 0 12 0 12 12 0 8 0 bufpl 256 7977 0 1168 426 0 426 426 0 8 0 anonpl 16 129612 0 118285 76 15 61 61 0 125 8 amapchunkpl 152 7831 0 7718 10 4 6 7 0 158 1 amappl16 192 7144 0 6508 54 14 40 44 0 8 8 amappl14 176 70 0 64 1 0 1 1 0 8 0 amappl13 168 7 0 7 1 1 0 1 0 8 0 amappl12 160 2 0 2 1 1 0 1 0 8 0 amappl11 152 1071 0 1055 1 0 1 1 0 8 0 amappl10 144 81 0 75 1 0 1 1 0 8 0 amappl9 136 626 0 623 1 0 1 1 0 8 0 amappl8 128 169 0 150 1 0 1 1 0 8 0 amappl7 120 45 0 39 1 0 1 1 0 8 0 amappl6 112 1068 0 1057 1 0 1 1 0 8 0 amappl5 104 146 0 132 1 0 1 1 0 8 0 amappl4 96 1914 0 1884 2 1 1 2 0 8 0 amappl3 88 214 0 203 1 0 1 1 0 8 0 amappl2 80 11503 0 11431 3 1 2 3 0 8 0 amappl1 72 41286 0 40855 25 15 10 20 0 8 0 amappl 80 4471 0 4432 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 64 129 0 0 3 0 3 3 0 8 0 uaddrrnd 24 1569 0 1553 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1569 0 1553 1 0 1 1 0 8 0 vmmpekpl 168 14349 0 14317 2 0 2 2 0 8 0 vmmpepl 168 191639 0 189891 151 54 97 99 0 357 20 vmsppl 368 1568 0 1553 2 0 2 2 0 8 0 pdppl 4096 3146 0 3106 8 2 6 6 0 8 0 pvpl 32 383358 0 368861 201 50 151 151 0 265 23 pmappl 232 1568 0 1553 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 593 0 6 17 0 17 17 0 8 0