uvm_fault(0xffffffff82259a48, 0xffff800000a1d000, 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(0xffffffff82259a48, 0xffff800000a1d000, 0, 1) -> e strlcpy(ffff8000009c3c90,ffff800000a1ceb2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff800020c0ab30, count: 0 ddb{0}> trace strlcpy(ffff8000009c3c90,ffff800000a1ceb2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000a1ceb2) at rtlabel_name2id+0x13d sys/net/route.c:1541 rtrequest(1,ffff800020c0ace0,38,ffff800020c0ac58,0) at rtrequest+0x5eb sys/net/route.c:880 rtm_output(ffff800000a1ce00,ffff800020c0ad90,ffff800020c0ace0,38,0) at rtm_output+0x6e5 sys/net/rtsock.c:896 route_output(fffffd806d779400,fffffd806d082010,0,0) at route_output+0x7d2 sys/net/rtsock.c:814 route_usrreq(fffffd806d082010,9,fffffd806d779400,0,0,ffff800020b39d58) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd806d082010,0,ffff800020c0af80,0,0,80) at sosend+0x668 sys/kern/uipc_socket.c:513 sendit(ffff800020b39d58,4,ffff800020c0b060,0,ffff800020c0b160) at sendit+0x52f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b39d58,ffff800020c0b0f8,ffff800020c0b160) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800020c0b1d0) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline] syscall(ffff800020c0b1d0) at syscall+0x552 sys/arch/amd64/amd64/trap.c:554 Xsyscall(6,0,ffffffffffffffd8,0,6,4cd08d70010) at Xsyscall+0x128 end of kernel end trace frame: 0x4cfe4df1440, count: -11 ddb{0}> show registers rdi 0xffffffff812b2a65 strlcpy+0xc5 rsi 0x9b4 rbp 0xffff800020c0aae0 rbx 0xffff800000a1d001 rdx 0x9b5 rcx 0xffff800021c14000 rax 0xffff800021c14000 r8 0x38 r9 0x5 r10 0x8da32369f1efcd55 r11 0xe2c9f038eb3831e9 r12 0 r13 0x4d r14 0xffff800000a1ceb2 r15 0x4c rip 0xffffffff812b2a6f strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800020c0aa90 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{0}> show proc PROC (syz-executor.1) pid=366617 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b39ae8,0xffffffff8237c718 process=0xffff800020b8d080 user=0xffff800020c06000, vmspace=0xfffffd807f00ca10 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 47292 406957 5236 0 7 0 syz-executor.1 *47292 366617 5236 0 7 0x4000000 syz-executor.1 3974 404904 0 0 3 0x14200 bored sosplice 5236 397343 29432 0 2 0x482 syz-executor.1 55410 16663 29432 0 2 0x2 syz-executor.0 29432 245952 48787 0 3 0x82 thrsleep syz-fuzzer 29432 255874 48787 0 2 0x4000482 syz-fuzzer 29432 466130 48787 0 3 0x4000082 thrsleep syz-fuzzer 29432 126958 48787 0 3 0x4000082 thrsleep syz-fuzzer 29432 61058 48787 0 3 0x4000082 thrsleep syz-fuzzer 29432 59857 48787 0 3 0x4000082 thrsleep syz-fuzzer 29432 501021 48787 0 3 0x4000082 thrsleep syz-fuzzer 29432 322823 48787 0 3 0x4000082 kqread syz-fuzzer 29432 523045 48787 0 3 0x4000082 thrsleep syz-fuzzer 29432 370492 48787 0 3 0x4000082 thrsleep syz-fuzzer 48787 48755 18352 0 3 0x10008a pause ksh 18352 310244 38447 0 3 0x92 select sshd 91085 308313 1 0 3 0x100083 ttyin getty 38447 103252 1 0 3 0x80 select sshd 93553 367652 6331 74 3 0x100092 bpf pflogd 6331 35944 1 0 3 0x80 netio pflogd 15814 196710 48091 73 2 0x100010 syslogd 48091 475443 1 0 3 0x100082 netio syslogd 53979 368389 1 77 3 0x100090 poll dhclient 6265 510440 1 0 3 0x80 poll dhclient 20363 343123 0 0 3 0x14200 pgzero zerothread 30143 325973 0 0 3 0x14200 aiodoned aiodoned 51486 186522 0 0 3 0x14200 syncer update 41498 435404 0 0 3 0x14200 cleaner cleaner 79427 162905 0 0 3 0x14200 reaper reaper 12842 337569 0 0 3 0x14200 pgdaemon pagedaemon 31149 266794 0 0 3 0x14200 bored crynlk 25548 277039 0 0 3 0x14200 bored crypto 87690 226847 0 0 3 0x40014200 acpi0 acpi0 66955 94283 0 0 3 0x40014200 idle1 54967 222509 0 0 3 0x14200 bored softnet 62608 35497 0 0 3 0x14200 bored systqmp 17325 129392 0 0 3 0x14200 bored systq 96820 53415 0 0 3 0x40014200 bored softclock 53902 192452 0 0 3 0x40014200 idle0 38675 306730 0 0 3 0x14200 bored smr 1 122150 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 47292 (syz-executor.1) thread 0xffff800020b39d58 (366617) exclusive rwlock netlock r = 0 (0xffffffff821abb18) #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+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:90 [inline] #7 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8234cce8) #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+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:90 [inline] #5 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #6 Xsyscall+0x128 Process 55410 (syz-executor.0) thread 0xffff800020b144e8 (16663) exclusive rrwlock inode r = 0 (0xfffffd807695fa28) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #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:549 #5 vget+0x1c3 sys/kern/vfs_subr.c:672 #6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1323 #8 ufs_lookup+0x1575 sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x77d sys/kern/vfs_lookup.c:571 #11 namei+0x61c sys/kern/vfs_lookup.c:252 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1766 #13 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline] #13 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069a355f0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #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:549 #5 vfs_lookup+0xe9 sys/kern/vfs_lookup.c:422 #6 namei+0x61c sys/kern/vfs_lookup.c:252 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1766 #8 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline] #8 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #9 Xsyscall+0x128 Process 15814 (syslogd) thread 0xffff800020b85600 (196710) exclusive rrwlock inode r = 0 (0xfffffd807ebd0d58) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #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:549 #5 sys_fsync+0x114 sys/kern/vfs_syscalls.c:2797 #6 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline] #6 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9510 6419K 6925K 78643K 11434 0 0 pcb 27 9K 10K 78643K 202 0 0 rtable 117 5K 5K 78643K 285 0 0 ifaddr 55 12K 13K 78643K 84 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1489 0 0 iov 0 0K 24K 78643K 40 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1215 76K 77K 78643K 1554 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 7 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 17 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 5 13K 25K 78643K 450 0 0 sigio 0 0K 0K 78643K 26 0 0 proc 53 50K 83K 78643K 402 0 0 subproc 32 2K 2K 78643K 34 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 33 0 0 in_multi 33 2K 2K 78643K 43 0 0 ether_multi 1 0K 0K 78643K 1 0 0 mrt 0 0K 0K 78643K 5 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 238 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 83 20K 21K 78643K 2320 0 0 UVM aobj 21 2K 2K 78643K 25 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 21 0 0 NDP 11 0K 0K 78643K 22 0 0 temp 151 2728K 2795K 78643K 4563 0 0 kqueue 0 0K 0K 78643K 4 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 6 0 0 1 0 1 1 0 8 0 inpcbpl 280 201 0 194 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 49 0 3 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 77 0 73 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 6 0 6 4 3 1 1 0 8 1 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 4 0 4 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 23 0 5 1 0 1 1 0 8 0 pfstkey 112 23 0 5 1 0 1 1 0 8 0 pfstate 328 23 0 5 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 256 208 0 14 14 1 13 13 0 8 0 art_table 32 209 0 14 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 semapl 112 15 0 5 1 0 1 1 0 8 0 shmpl 112 23 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2128 0 702 47 0 47 47 0 8 0 ffsino 272 2128 0 702 96 0 96 96 0 8 0 nchpl 144 2929 0 1303 61 0 61 61 0 8 0 uvmvnodes 72 2364 0 0 43 0 43 43 0 8 0 vnodes 200 2364 0 0 125 0 125 125 0 8 0 namei 1024 8268 0 8268 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 7604 0 7604 10 9 1 6 0 8 1 plimitpl 152 26 0 18 1 0 1 1 0 8 0 sigapl 432 650 0 635 3 1 2 3 0 8 0 futexpl 56 4778 0 4778 1 0 1 1 0 8 1 knotepl 112 121 0 102 1 0 1 1 0 8 0 kqueuepl 104 95 0 93 1 0 1 1 0 8 0 pipepl 112 386 0 367 2 1 1 1 0 8 0 fdescpl 488 651 0 635 3 0 3 3 0 8 0 filepl 152 3421 0 3320 5 0 5 5 0 8 1 lockfpl 104 101 0 101 2 1 1 1 0 8 1 lockfspl 48 34 0 34 2 1 1 1 0 8 1 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 625 0 616 1 0 1 1 0 8 0 zombiepl 144 635 0 635 2 1 1 1 0 8 1 processpl 840 667 0 635 4 0 4 4 0 8 0 procpl 624 1571 0 1529 5 1 4 5 0 8 0 srpgc 64 2 0 2 2 2 0 1 0 8 0 sosppl 128 6 0 6 3 3 0 1 0 8 0 sockpl 384 370 0 349 3 0 3 3 0 8 0 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 105 0 0 13 0 13 13 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 144 0 0 8 0 8 8 0 8 0 bufpl 256 6365 0 1189 324 0 324 324 0 8 0 anonpl 16 66582 0 56430 64 6 58 58 0 125 16 amapchunkpl 152 3191 0 3098 6 1 5 6 0 158 0 amappl16 192 3113 0 2567 47 7 40 40 0 8 12 amappl14 176 39 0 35 2 1 1 1 0 8 0 amappl13 168 10 0 9 2 1 1 1 0 8 0 amappl12 160 8 0 7 1 0 1 1 0 8 0 amappl11 152 54 0 36 1 0 1 1 0 8 0 amappl10 144 72 0 69 1 0 1 1 0 8 0 amappl9 136 793 0 788 1 0 1 1 0 8 0 amappl8 128 338 0 325 1 0 1 1 0 8 0 amappl7 120 36 0 31 1 0 1 1 0 8 0 amappl6 112 56 0 49 1 0 1 1 0 8 0 amappl5 104 138 0 123 1 0 1 1 0 8 0 amappl4 96 805 0 780 1 0 1 1 0 8 0 amappl3 88 201 0 190 1 0 1 1 0 8 0 amappl2 80 4233 0 4163 3 1 2 3 0 8 0 amappl1 72 23496 0 23055 26 16 10 20 0 8 0 amappl 80 1820 0 1783 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 24 0 4 1 0 1 1 0 8 0 uaddrrnd 24 651 0 635 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 651 0 635 1 0 1 1 0 8 0 vmmpekpl 168 9077 0 9047 2 0 2 2 0 8 0 vmmpepl 168 76230 0 74638 113 29 84 87 0 357 14 vmsppl 368 650 0 635 2 0 2 2 0 8 0 pdppl 4096 1309 0 1270 6 0 6 6 0 8 0 pvpl 32 219918 0 206589 151 6 145 145 0 265 35 pmappl 232 650 0 635 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 483 0 6 14 0 14 14 0 8 0