uvm_fault(0xffffffff822646a8, 0xffff800000ade000, 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(0xffffffff822646a8, 0xffff800000ade000, 0, 1) -> e strlcpy(ffff8000009b5410,ffff800000addee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff800021c49380, count: 0 ddb{1}> trace strlcpy(ffff8000009b5410,ffff800000addee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000addee2) at rtlabel_name2id+0x13d sys/net/route.c:1614 rtrequest(1,ffff800021c49530,0,ffff800021c494a8,0) at rtrequest+0x64b sys/net/route.c:893 rtm_output(ffff800000adde00,ffff800021c495e0,ffff800021c49530,0,0) at rtm_output+0x6e1 sys/net/rtsock.c:900 route_output(fffffd806cab3200,fffffd80651aa1d0,0,0) at route_output+0x7e2 sys/net/rtsock.c:818 route_usrreq(fffffd80651aa1d0,9,fffffd806cab3200,0,0,ffff800020b29160) at route_usrreq+0x363 sys/net/rtsock.c:275 sosend(fffffd80651aa1d0,0,ffff800021c497d0,0,0,80) at sosend+0x668 sys/kern/uipc_socket.c:524 sendit(ffff800020b29160,7,ffff800021c498b0,0,ffff800021c499b0) at sendit+0x52f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b29160,ffff800021c49948,ffff800021c499b0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800021c49a20) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800021c49a20) at syscall+0x552 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffffd8,0,6,e7fefe9f0e0) at Xsyscall+0x128 end of kernel end trace frame: 0xe825b9872d0, count: -11 ddb{1}> show registers rdi 0xffffffff818cb205 strlcpy+0xc5 rsi 0x5d1 rbp 0xffff800021c49330 rbx 0xffff800000ade001 rdx 0x5d2 rcx 0xffff800020e24000 rax 0xffff800020e24000 r8 0x38 r9 0x5 r10 0x19a6533438198a4c r11 0xc371fda16294f201 r12 0 r13 0x27 r14 0xffff800000addee2 r15 0xff rip 0xffffffff818cb20f strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800021c492e0 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{1}> show proc PROC (syz-executor.1) pid=286602 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800020b28508,0xffffffff82386888 process=0xffff800020b7c700 user=0xffff800021c44000, vmspace=0xfffffd807effd8a0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88452 152197 75256 0 7 0 syz-executor.1 88452 340468 75256 0 2 0x4000000 syz-executor.1 *88452 286602 75256 0 7 0x4000000 syz-executor.1 23107 524072 1 0 3 0x100083 ttyin getty 89346 49469 0 0 3 0x14200 bored sosplice 75256 423001 80422 0 3 0x82 nanosleep syz-executor.1 30621 290368 80422 0 3 0x2 biowait syz-executor.0 80422 370131 59046 0 3 0x82 thrsleep syz-fuzzer 80422 352741 59046 0 3 0x4000082 nanosleep syz-fuzzer 80422 307557 59046 0 3 0x4000082 thrsleep syz-fuzzer 80422 298297 59046 0 3 0x4000082 thrsleep syz-fuzzer 80422 175318 59046 0 3 0x4000082 thrsleep syz-fuzzer 80422 459585 59046 0 3 0x4000082 kqread syz-fuzzer 80422 120614 59046 0 3 0x4000082 thrsleep syz-fuzzer 80422 377153 59046 0 3 0x4000082 thrsleep syz-fuzzer 80422 319499 59046 0 3 0x4000082 nanosleep syz-fuzzer 80422 453635 59046 0 3 0x4000082 thrsleep syz-fuzzer 59046 49717 56384 0 3 0x10008a pause ksh 56384 328111 72904 0 3 0x92 select sshd 72904 82348 1 0 3 0x80 select sshd 90199 290663 47651 74 3 0x100092 bpf pflogd 47651 80463 1 0 3 0x80 netio pflogd 76891 103248 87274 73 3 0x100090 kqread syslogd 87274 394239 1 0 3 0x100082 netio syslogd 69489 366546 1 77 3 0x100090 poll dhclient 3440 80394 1 0 3 0x80 poll dhclient 97869 268023 0 0 2 0x14200 zerothread 8029 224041 0 0 3 0x14200 aiodoned aiodoned 22858 312244 0 0 3 0x14200 syncer update 99534 396345 0 0 3 0x14200 cleaner cleaner 35669 489985 0 0 3 0x14200 reaper reaper 18721 273293 0 0 3 0x14200 pgdaemon pagedaemon 71020 407267 0 0 3 0x14200 bored crynlk 88428 510191 0 0 3 0x14200 bored crypto 17233 3206 0 0 3 0x40014200 acpi0 acpi0 54084 483697 0 0 3 0x40014200 idle1 62088 359896 0 0 3 0x14200 bored softnet 13851 515224 0 0 3 0x14200 bored systqmp 23788 10701 0 0 3 0x14200 bored systq 28787 39277 0 0 3 0x40014200 bored softclock 50025 112853 0 0 3 0x40014200 idle0 62859 338599 0 0 3 0x14200 bored smr 1 140441 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 88452 (syz-executor.1) thread 0xffff800020b29160 (286602) exclusive rwlock netlock r = 0 (0xffffffff8225adb8) #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 (0xffffffff82382750) #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 30621 (syz-executor.0) thread 0xffff800020b29b40 (290368) exclusive rrwlock inode r = 0 (0xfffffd806fad53d0) #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+0x133 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+0x6a sys/kern/vfs_vops.c:449 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:2967 #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 (0xfffffd80699aad60) #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:422 #6 namei+0x61c sys/kern/vfs_lookup.c:252 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:2952 #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9565 7079K 7843K 78643K 23577 0 0 pcb 13 8K 8K 78643K 340 0 0 rtable 115 5K 5K 78643K 1486 0 0 ifaddr 72 18K 19K 78643K 744 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1663 0 0 iov 0 0K 32K 78643K 700 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1210 76K 77K 78643K 6811 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 66 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 1K 1K 78643K 12 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 5 13K 25K 78643K 8031 0 0 sigio 0 0K 0K 78643K 39 0 0 proc 54 51K 83K 78643K 1106 0 0 subproc 32 2K 2K 78643K 47 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 618 0 0 in_multi 33 2K 2K 78643K 373 0 0 ether_multi 1 0K 0K 78643K 82 0 0 mrt 0 0K 0K 78643K 114 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 108 477K 477K 78643K 108 0 0 exec 0 0K 1K 78643K 588 0 0 pfkey data 0 0K 4K 78643K 7 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 116 22K 31K 78643K 23245 0 0 UVM aobj 130 4K 4K 78643K 140 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 255 0 0 NDP 16 0K 0K 78643K 194 0 0 temp 201 2748K 3388K 78643K 25897 0 0 kqueue 0 0K 0K 78643K 51 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 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 149 0 145 1 0 1 1 0 8 0 rtentry 112 89 0 44 2 0 2 2 0 8 0 unpcb 120 1443 0 1433 1 0 1 1 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 32 331 0 331 14 14 0 1 0 8 0 tcpcb 544 1247 0 1243 1 0 1 1 0 8 0 inpcb 280 2823 0 2816 1 0 1 1 0 8 0 rttmr 72 43 0 43 11 11 0 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pkpcb 40 27 0 27 8 8 0 1 0 8 0 swfcl 56 6 0 0 1 0 1 1 0 8 0 ppxss 1128 154 0 154 21 21 0 1 0 8 0 pffrag 232 5 0 5 1 1 0 1 0 482 0 pffrnode 88 5 0 5 1 1 0 1 0 8 0 pffrent 40 12 0 12 2 2 0 1 0 8 0 pfosfp 40 846 0 846 5 5 0 5 0 8 0 pfosfpen 112 1428 0 1428 21 21 0 21 0 8 0 pfstitem 24 102 0 90 1 0 1 1 0 8 0 pfstkey 112 102 0 90 1 0 1 1 0 8 0 pfstate 328 102 0 90 4 3 1 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 256 212 0 23 14 2 12 14 0 8 0 art_table 32 213 0 23 2 0 2 2 0 8 0 art_node 16 82 0 42 1 0 1 1 0 8 0 sysvmsgpl 40 45 0 7 1 0 1 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 138 0 10 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 14734 0 13298 47 0 47 47 0 8 0 ffsino 272 14734 0 13298 97 0 97 97 0 8 0 nchpl 144 25290 0 23655 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 73093 0 73092 2 1 1 1 0 8 0 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 25 0 25 7 7 0 1 0 8 0 scxspl 192 90691 0 90690 27 26 1 6 0 8 0 plimitpl 152 397 0 389 1 0 1 1 0 8 0 sigapl 432 8236 0 8221 3 1 2 3 0 8 0 futexpl 56 67359 0 67359 2 1 1 1 0 8 1 knotepl 112 1025 0 1006 1 0 1 1 0 8 0 kqueuepl 104 1435 0 1433 1 0 1 1 0 8 0 pipepl 112 2360 0 2337 4 3 1 2 0 8 0 fdescpl 488 8237 0 8221 3 0 3 3 0 8 0 filepl 152 37684 0 37579 11 6 5 6 0 8 0 lockfpl 104 2152 0 2152 16 15 1 1 0 8 1 lockfspl 48 777 0 777 16 15 1 1 0 8 1 sessionpl 112 23 0 12 1 0 1 1 0 8 0 pgrppl 48 510 0 499 1 0 1 1 0 8 0 ucredpl 96 10146 0 10137 1 0 1 1 0 8 0 zombiepl 144 8221 0 8221 2 1 1 1 0 8 1 processpl 896 8253 0 8221 4 0 4 4 0 8 0 procpl 632 22107 0 22064 25 20 5 5 0 8 1 srpgc 64 33 0 33 11 11 0 1 0 8 0 sosppl 128 73 0 73 14 14 0 1 0 8 0 sockpl 384 4474 0 4453 11 8 3 4 0 8 0 mcl64k 65536 20 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 34 0 0 2 0 2 2 0 8 0 mcl9k 9216 13 0 0 1 0 1 1 0 8 0 mcl8k 8192 22 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 367 0 0 12 2 10 12 0 8 0 mtagpl 80 5 0 0 1 0 1 1 0 8 0 mbufpl 256 529 0 0 16 0 16 16 0 8 0 bufpl 256 30495 0 23466 440 0 440 440 0 8 0 anonpl 16 701738 0 696431 165 127 38 39 0 125 15 amapchunkpl 152 40410 0 40322 37 32 5 9 0 158 0 amappl16 192 42698 0 42450 151 130 21 25 0 8 8 amappl15 184 2 0 2 2 2 0 1 0 8 0 amappl14 176 53 0 47 1 0 1 1 0 8 0 amappl13 168 7965 0 7962 1 0 1 1 0 8 0 amappl12 160 8 0 6 2 1 1 1 0 8 0 amappl11 152 61 0 45 1 0 1 1 0 8 0 amappl10 144 77 0 74 1 0 1 1 0 8 0 amappl9 136 521 0 517 1 0 1 1 0 8 0 amappl8 128 195 0 155 2 0 2 2 0 8 0 amappl7 120 34 0 30 1 0 1 1 0 8 0 amappl6 112 57 0 50 1 0 1 1 0 8 0 amappl5 104 323 0 308 1 0 1 1 0 8 0 amappl4 96 8503 0 8472 2 1 1 2 0 8 0 amappl3 88 326 0 316 1 0 1 1 0 8 0 amappl2 80 68569 0 68498 4 2 2 3 0 8 0 amappl1 72 167157 0 166713 26 16 10 20 0 8 0 amappl 80 22444 0 22408 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 64 139 0 10 3 0 3 3 0 8 0 uaddrrnd 24 8237 0 8221 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8237 0 8221 1 0 1 1 0 8 0 vmmpekpl 168 46082 0 46056 2 0 2 2 0 8 0 vmmpepl 168 969392 0 967995 210 133 77 78 0 357 11 vmsppl 368 8236 0 8221 2 0 2 2 0 8 0 pdppl 4096 16482 0 16442 6 0 6 6 0 8 0 pvpl 32 2395435 0 2386765 388 281 107 114 0 265 34 pmappl 232 8236 0 8221 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 608 0 8 18 0 18 18 0 8 0