uvm_fault(0xfffffd807f00c2d0, 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(0xfffffd807f00c2d0, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff800020b68e10, count: 0 ddb{1}> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a4a400,ffff800020b68ed0,ffff800020b68e20,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8064d04600,fffffd806f6fc900,0,0) at route_output+0x7d2 sys/net/rtsock.c:814 route_usrreq(fffffd806f6fc900,9,fffffd8064d04600,0,0,ffff800020b38018) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd806f6fc900,0,ffff800020b690c0,0,0,80) at sosend+0x668 sys/kern/uipc_socket.c:513 sendit(ffff800020b38018,3,ffff800020b691a0,0,ffff800020b692b0) at sendit+0x52c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b38018,ffff800020b69248,ffff800020b692b0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800020b69320) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800020b69320) at syscall+0x552 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffffd8,0,6,3550ee37010) at Xsyscall+0x128 end of kernel end trace frame: 0x357b2fe5100, count: -9 ddb{1}> show registers rdi 0xffffffff81f09c57 arp_rtrequest+0x157 rsi 0x303 rbp 0xffff800020b68d70 rbx 0xffff800000a32c50 rdx 0x304 rcx 0xdead4110dead4110 rax 0xffff800000a32c58 r8 0xffffffff81f09c1f arp_rtrequest+0x11f r9 0x5 r10 0x11 r11 0x9a1e739142244b75 r12 0xffff800000173290 r13 0x2 r14 0xfffffd8068845468 r15 0x100000000 rip 0xffffffff81f09c5f arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020b68cf0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb{1}> show proc PROC (syz-executor.1) pid=477680 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800020b38270,0xffffffff82398cb8 process=0xffff800020b8c360 user=0xffff800020b64000, vmspace=0xfffffd807f00c2d0 estcpu=28, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 58915 46849 28470 0 7 0 syz-executor.1 *58915 477680 28470 0 7 0x4000000 syz-executor.1 17455 502615 1 0 3 0x100083 ttyin getty 38970 396181 0 0 3 0x14200 bored sosplice 28470 307487 30660 0 3 0x82 nanosleep syz-executor.1 97739 479429 30660 0 3 0x2 biowait syz-executor.0 30660 326345 18949 0 3 0x82 thrsleep syz-fuzzer 30660 224441 18949 0 3 0x4000082 nanosleep syz-fuzzer 30660 359620 18949 0 3 0x4000082 thrsleep syz-fuzzer 30660 226205 18949 0 3 0x4000082 thrsleep syz-fuzzer 30660 486053 18949 0 3 0x4000082 thrsleep syz-fuzzer 30660 27453 18949 0 3 0x4000082 thrsleep syz-fuzzer 30660 220126 18949 0 3 0x4000082 thrsleep syz-fuzzer 30660 176111 18949 0 3 0x4000082 thrsleep syz-fuzzer 30660 148328 18949 0 3 0x4000082 kqread syz-fuzzer 30660 144802 18949 0 3 0x4000082 thrsleep syz-fuzzer 18949 404261 81735 0 3 0x10008a pause ksh 81735 82965 41353 0 3 0x92 select sshd 41353 242520 1 0 3 0x80 select sshd 70683 175826 20895 74 3 0x100092 bpf pflogd 20895 229005 1 0 3 0x80 netio pflogd 14189 20974 13274 73 2 0x100090 syslogd 13274 342637 1 0 3 0x100082 netio syslogd 58050 233138 1 77 3 0x100090 poll dhclient 16637 486678 1 0 3 0x80 poll dhclient 90803 11569 0 0 3 0x14200 pgzero zerothread 6066 9347 0 0 3 0x14200 aiodoned aiodoned 73461 4504 0 0 3 0x14200 syncer update 82974 147976 0 0 3 0x14200 cleaner cleaner 25624 300954 0 0 3 0x14200 reaper reaper 59428 480312 0 0 3 0x14200 pgdaemon pagedaemon 10158 210705 0 0 3 0x14200 bored crynlk 97493 519176 0 0 3 0x14200 bored crypto 83192 190977 0 0 3 0x40014200 acpi0 acpi0 41956 114583 0 0 3 0x40014200 idle1 95537 361080 0 0 3 0x14200 bored softnet 78135 102934 0 0 3 0x14200 bored systqmp 88268 23721 0 0 3 0x14200 bored systq 95348 518647 0 0 3 0x40014200 bored softclock 69867 71769 0 0 3 0x40014200 idle0 13791 93609 0 0 3 0x14200 bored smr 1 189510 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 58915 (syz-executor.1) thread 0xffff800020b38018 (477680) 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 97739 (syz-executor.0) thread 0xffff800020b14968 (479429) exclusive rrwlock inode r = 0 (0xfffffd806f8693c8) #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 (0xfffffd8069a2d4e0) #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 9556 6447K 7537K 78643K 19374 0 0 pcb 26 9K 11K 78643K 3517 0 0 rtable 118 5K 5K 78643K 2479 0 0 ifaddr 68 17K 20K 78643K 720 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1680 0 0 iov 0 0K 32K 78643K 691 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1196 75K 76K 78643K 5843 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 85 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 411 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 5 13K 25K 78643K 7239 0 0 sigio 0 0K 0K 78643K 97 0 0 proc 54 51K 83K 78643K 1124 0 0 subproc 32 2K 2K 78643K 40 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 625 0 0 in_multi 33 2K 2K 78643K 224 0 0 ether_multi 1 0K 0K 78643K 25 0 0 mrt 0 0K 0K 78643K 46 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 102 450K 450K 78643K 102 0 0 exec 0 0K 1K 78643K 695 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 92 21K 30K 78643K 23533 0 0 UVM aobj 130 4K 4K 78643K 146 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 318 0 0 NDP 15 0K 0K 78643K 192 0 0 temp 370 2735K 3372K 78643K 23592 0 0 kqueue 0 0K 0K 78643K 59 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 3104 0 3097 1 0 1 1 0 8 0 plimitpl 152 155 0 147 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 88 0 43 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 1055 0 1051 1 0 1 1 0 8 0 rttmr 72 20 0 20 9 9 0 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 133 0 133 15 15 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 79 0 59 1 0 1 1 0 8 0 pfstkey 112 79 0 59 1 0 1 1 0 8 0 pfstate 328 79 0 59 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 256 265 0 70 17 4 13 14 0 8 0 art_table 32 266 0 70 2 0 2 2 0 8 0 art_node 16 62 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 12 3 2 1 1 0 8 0 semapl 112 409 0 399 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 13413 0 11895 51 1 50 50 0 8 0 ffsino 272 13413 0 11895 103 1 102 102 0 8 0 nchpl 144 23445 0 21818 61 0 61 61 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 71321 0 71320 3 2 1 1 0 8 0 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 18 0 18 10 10 0 1 0 8 0 scxspl 192 71858 0 71857 36 35 1 6 0 8 0 sigapl 432 7445 0 7430 3 1 2 3 0 8 0 futexpl 56 75441 0 75441 2 1 1 1 0 8 1 knotepl 112 1144 0 1125 1 0 1 1 0 8 0 kqueuepl 104 1433 0 1431 1 0 1 1 0 8 0 pipepl 112 3660 0 3641 5 4 1 2 0 8 0 fdescpl 488 7446 0 7430 3 0 3 3 0 8 0 filepl 152 39968 0 39868 7 3 4 6 0 8 0 lockfpl 104 2207 0 2207 3 3 0 1 0 8 0 lockfspl 48 720 0 720 3 3 0 1 0 8 0 sessionpl 112 24 0 13 1 0 1 1 0 8 0 pgrppl 48 93 0 82 1 0 1 1 0 8 0 ucredpl 96 9086 0 9077 1 0 1 1 0 8 0 zombiepl 144 7430 0 7430 3 2 1 1 0 8 1 processpl 840 7462 0 7430 4 0 4 4 0 8 0 procpl 600 22505 0 22463 6 2 4 5 0 8 0 srpgc 64 14 0 14 9 9 0 1 0 8 0 sosppl 128 49 0 49 15 15 0 1 0 8 0 sockpl 384 6292 0 6272 6 3 3 4 0 8 1 mcl64k 65536 20 0 0 3 0 3 3 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 33 0 0 3 1 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 133 0 0 14 0 14 14 0 8 0 mtagpl 80 5 0 0 1 0 1 1 0 8 0 mbufpl 256 367 0 0 11 1 10 10 0 8 0 bufpl 256 21562 0 14554 439 0 439 439 0 8 0 anonpl 16 609706 0 600440 219 179 40 54 0 125 0 amapchunkpl 152 40384 0 40287 52 47 5 12 0 158 0 amappl16 192 36421 0 35937 185 159 26 37 0 8 0 amappl14 176 39 0 36 2 1 1 1 0 8 0 amappl13 168 8 0 7 1 0 1 1 0 8 0 amappl12 160 3630 0 3628 1 0 1 1 0 8 0 amappl11 152 62 0 44 1 0 1 1 0 8 0 amappl10 144 88 0 82 1 0 1 1 0 8 0 amappl9 136 4185 0 4179 1 0 1 1 0 8 0 amappl8 128 3688 0 3672 1 0 1 1 0 8 0 amappl7 120 34 0 30 1 0 1 1 0 8 0 amappl6 112 63 0 53 1 0 1 1 0 8 0 amappl5 104 3722 0 3708 1 0 1 1 0 8 0 amappl4 96 7623 0 7594 2 1 1 2 0 8 0 amappl3 88 419 0 407 1 0 1 1 0 8 0 amappl2 80 58258 0 58189 4 2 2 3 0 8 0 amappl1 72 164141 0 163699 25 15 10 20 0 8 0 amappl 80 22781 0 22744 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 64 145 0 16 3 0 3 3 0 8 0 uaddrrnd 24 7446 0 7430 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7446 0 7430 1 0 1 1 0 8 0 vmmpekpl 168 50992 0 50962 2 0 2 2 0 8 0 vmmpepl 168 774157 0 772614 207 134 73 83 0 357 1 vmsppl 360 7445 0 7430 2 0 2 2 0 8 0 pdppl 4096 14900 0 14860 6 0 6 6 0 8 0 pvpl 32 1723385 0 1710852 384 278 106 143 0 265 1 pmappl 232 7445 0 7430 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 613 0 11 18 0 18 18 0 8 0