uvm_fault(0xfffffd807f00c438, 0x100000008, 0, 2) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807f00c438, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff800020c0cd80, count: 0 ddb{1}> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009fd800,ffff800020c0ce40,ffff800020c0cd90,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd806f0d8800,fffffd807ccf0490,0,0) at route_output+0x7d2 sys/net/rtsock.c:814 route_usrreq(fffffd807ccf0490,9,fffffd806f0d8800,0,0,ffff800020b39788) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd807ccf0490,0,ffff800020c0d030,0,0,80) at sosend+0x668 sys/kern/uipc_socket.c:513 sendit(ffff800020b39788,3,ffff800020c0d110,0,ffff800020c0d220) at sendit+0x52c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b39788,ffff800020c0d1b8,ffff800020c0d220) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800020c0d290) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800020c0d290) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffffd8,0,6,74a073ca010) at Xsyscall+0x128 end of kernel end trace frame: 0x74cd1d55230, count: -9 ddb{1}> show registers rdi 0xffffffff81f09c57 arp_rtrequest+0x157 rsi 0x33c rbp 0xffff800020c0cce0 rbx 0xffff80000005b300 rdx 0x33d rcx 0xdeaf4152deaf4152 rax 0xffff80000005b308 r8 0xffffffff81f09c1f arp_rtrequest+0x11f r9 0x5 r10 0x11 r11 0x4e92a57a2adf971f r12 0xffff800000173290 r13 0x2 r14 0xfffffd806514a7e8 r15 0x100000000 rip 0xffffffff81f09c5f arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020c0cc60 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb{1}> show proc PROC (syz-executor.0) pid=331477 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b384c8,0xffffffff82398cb8 process=0xffff800020b8c018 user=0xffff800020c08000, vmspace=0xfffffd807f00c438 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 55115 317206 64082 0 7 0 syz-executor.0 *55115 331477 64082 0 7 0x4000000 syz-executor.0 92390 197113 1 0 3 0x100083 ttyopn getty 87374 284234 0 0 3 0x14200 bored sosplice 74957 90253 24544 0 3 0x2 biowait syz-executor.1 64082 445757 24544 0 3 0x82 nanosleep syz-executor.0 24544 520279 90668 0 3 0x82 thrsleep syz-fuzzer 24544 31298 90668 0 3 0x4000082 nanosleep syz-fuzzer 24544 172056 90668 0 3 0x4000082 thrsleep syz-fuzzer 24544 450205 90668 0 3 0x4000082 thrsleep syz-fuzzer 24544 189958 90668 0 3 0x4000082 thrsleep syz-fuzzer 24544 274170 90668 0 3 0x4000082 thrsleep syz-fuzzer 24544 158346 90668 0 3 0x4000082 thrsleep syz-fuzzer 24544 345074 90668 0 3 0x4000082 thrsleep syz-fuzzer 24544 17935 90668 0 3 0x4000082 kqread syz-fuzzer 24544 28909 90668 0 3 0x4000082 thrsleep syz-fuzzer 90668 502110 58486 0 3 0x10008a pause ksh 58486 143506 12446 0 3 0x92 select sshd 12446 12594 1 0 3 0x80 select sshd 15234 187616 10942 74 3 0x100092 bpf pflogd 10942 2128 1 0 3 0x80 netio pflogd 14665 172466 33242 73 2 0x100090 syslogd 33242 14666 1 0 3 0x100082 netio syslogd 26317 335412 1 77 3 0x100090 poll dhclient 99795 64622 1 0 3 0x80 poll dhclient 33947 474866 0 0 3 0x14200 pgzero zerothread 93763 430333 0 0 3 0x14200 aiodoned aiodoned 23242 454699 0 0 3 0x14200 syncer update 64024 516698 0 0 3 0x14200 cleaner cleaner 54446 165673 0 0 3 0x14200 reaper reaper 6761 463803 0 0 3 0x14200 pgdaemon pagedaemon 41997 242700 0 0 3 0x14200 bored crynlk 10078 104406 0 0 3 0x14200 bored crypto 53940 149273 0 0 3 0x40014200 acpi0 acpi0 95229 51163 0 0 3 0x40014200 idle1 1453 161321 0 0 3 0x14200 bored softnet 36411 13041 0 0 3 0x14200 bored systqmp 28628 458147 0 0 3 0x14200 bored systq 11131 72063 0 0 3 0x40014200 bored softclock 28132 78958 0 0 3 0x40014200 idle0 45109 486711 0 0 3 0x14200 bored smr 1 417623 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 55115 (syz-executor.0) thread 0xffff800020b39788 (331477) exclusive rwlock netlock r = 0 (0xffffffff82200df8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 rtm_output+0xb86 sys/net/rtsock.c:1031 #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 (0xffffffff82360fe0) #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 Process 74957 (syz-executor.1) thread 0xffff800020b392d8 (90253) exclusive rrwlock inode r = 0 (0xfffffd8073bebd60) #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 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:2970 #9 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #9 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069a2ea30) #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 domkdirat+0x75 sys/kern/vfs_syscalls.c:2955 #8 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] #8 syscall+0x552 sys/arch/amd64/amd64/trap.c:574 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9531 7068K 7199K 78643K 13293 0 0 pcb 26 9K 11K 78643K 1224 0 0 rtable 118 5K 5K 78643K 843 0 0 ifaddr 63 14K 14K 78643K 177 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1532 0 0 iov 0 0K 24K 78643K 167 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1209 76K 76K 78643K 2313 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 23 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 98 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 5 13K 25K 78643K 1873 0 0 sigio 0 0K 0K 78643K 26 0 0 proc 54 51K 71K 78643K 527 0 0 subproc 32 2K 2K 78643K 39 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 142 0 0 in_multi 33 2K 2K 78643K 96 0 0 ether_multi 1 0K 0K 78643K 10 0 0 mrt 0 0K 0K 78643K 14 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 298 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 93 21K 30K 78643K 6386 0 0 UVM aobj 71 3K 3K 78643K 80 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 75 0 0 NDP 13 0K 0K 78643K 47 0 0 temp 185 2731K 3371K 78643K 8383 0 0 kqueue 0 0K 0K 78643K 22 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 280 603 0 596 2 1 1 2 0 8 0 plimitpl 152 44 0 36 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 61 0 16 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6 0 6 2 2 0 1 0 8 0 tcpcb 544 201 0 197 1 0 1 1 0 8 0 rttmr 72 8 0 8 4 4 0 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 23 0 23 8 8 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 17 1 0 1 1 0 8 0 pfstkey 112 24 0 17 1 0 1 1 0 8 0 pfstate 328 24 0 17 1 0 1 1 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 51 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 6 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 96 0 86 1 0 1 1 0 8 0 shmpl 112 78 0 9 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4127 0 2691 47 0 47 47 0 8 0 ffsino 272 4127 0 2691 96 0 96 96 0 8 0 nchpl 144 6767 0 5129 63 2 61 62 0 8 0 uvmvnodes 72 4822 0 0 88 0 88 88 0 8 0 vnodes 200 4822 0 0 254 0 254 254 0 8 0 namei 1024 19580 0 19579 3 2 1 1 0 8 0 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 19767 0 19766 16 15 1 6 0 8 0 sigapl 432 2074 0 2059 3 1 2 3 0 8 0 futexpl 56 16771 0 16771 1 0 1 1 0 8 1 knotepl 112 319 0 300 1 0 1 1 0 8 0 kqueuepl 104 357 0 355 1 0 1 1 0 8 0 pipepl 112 820 0 801 3 2 1 2 0 8 0 fdescpl 488 2075 0 2059 3 0 3 3 0 8 0 filepl 152 10151 0 10051 7 2 5 6 0 8 1 lockfpl 104 401 0 401 3 3 0 1 0 8 0 lockfspl 48 141 0 141 3 3 0 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 25 0 14 1 0 1 1 0 8 0 ucredpl 96 2058 0 2049 1 0 1 1 0 8 0 zombiepl 144 2059 0 2059 3 2 1 1 0 8 1 processpl 840 2091 0 2059 4 0 4 4 0 8 0 procpl 600 5580 0 5538 4 0 4 4 0 8 0 srpgc 64 4 0 4 4 4 0 1 0 8 0 sosppl 128 19 0 19 5 5 0 1 0 8 0 sockpl 384 1742 0 1722 4 1 3 4 0 8 0 mcl64k 65536 192 0 0 23 10 13 15 0 8 2 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 8 0 0 1 0 1 1 0 8 0 mcl9k 9216 10 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 130 0 0 15 0 15 15 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 310 0 0 12 0 12 12 0 8 0 bufpl 256 9565 0 2557 439 0 439 439 0 8 0 anonpl 16 175648 0 166945 89 53 36 52 0 125 0 amapchunkpl 152 10567 0 10469 26 21 5 12 0 158 0 amappl16 192 10602 0 10149 60 36 24 35 0 8 1 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 37 0 35 2 1 1 1 0 8 0 amappl12 160 15 0 13 1 0 1 1 0 8 0 amappl11 152 952 0 932 1 0 1 1 0 8 0 amappl10 144 77 0 72 1 0 1 1 0 8 0 amappl9 136 591 0 588 1 0 1 1 0 8 0 amappl8 128 138 0 123 1 0 1 1 0 8 0 amappl7 120 34 0 30 1 0 1 1 0 8 0 amappl6 112 956 0 946 1 0 1 1 0 8 0 amappl5 104 132 0 117 1 0 1 1 0 8 0 amappl4 96 2234 0 2206 1 0 1 1 0 8 0 amappl3 88 234 0 223 1 0 1 1 0 8 0 amappl2 80 15578 0 15507 4 2 2 3 0 8 0 amappl1 72 52719 0 52280 24 14 10 19 0 8 0 amappl 80 5849 0 5811 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 79 0 9 2 0 2 2 0 8 0 uaddrrnd 24 2075 0 2059 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2075 0 2059 1 0 1 1 0 8 0 vmmpekpl 168 18193 0 18165 2 0 2 2 0 8 0 vmmpepl 168 219381 0 217874 117 46 71 82 0 357 1 vmsppl 360 2074 0 2059 2 0 2 2 0 8 0 pdppl 4096 4158 0 4118 6 0 6 6 0 8 0 pvpl 32 523615 0 511702 196 92 104 135 0 265 6 pmappl 232 2074 0 2059 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 619 0 15 18 0 18 18 0 8 0