uvm_fault(0xffffffff82602770, 0xffff800000ad7000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff82602770, 0xffff800000ad7000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800023fd1160, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800023fd1178) at rtm_msg1+0x1b2 sys/net/rtsock.c:1552 rtm_addr(c,ffff800000ad6f00) at rtm_addr+0x9b sys/net/rtsock.c:1740 rt_ifa_add(ffff800000ad6f00,240404,ffff800000ad6f40,2) at rt_ifa_add+0x2a7 sys/net/route.c:1140 rt_ifa_addlocal(ffff800000ad6f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in_ifinit(ffff8000009d5000,ffff800000ad6f00,ffff800023fd16d0,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_set_ifaddr(8020690c,ffff800023fd16c0,ffff8000009d5000,1) at in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 in_ioctl(8020690c,ffff800023fd16c0,ffff8000009d5000,1) at in_ioctl+0x2d8 sys/netinet/in.c:243 ifioctl(fffffd806f6e1960,8020690c,ffff800023fd16c0,ffff800020ec64f8) at ifioctl+0xe70 sys/net/if.c:2289 soo_ioctl(fffffd806a79e8f0,8020690c,ffff800023fd16c0,ffff800020ec64f8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020ec64f8,ffff800023fd17d8,ffff800023fd1820) at sys_ioctl+0x4a5 syscall(ffff800023fd18a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fd18a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcfed2300ac0, count: -13 ddb{0}> show registers rdi 0xfffffd806f2c9398 rsi 0xffff800000ad7000 rbp 0xffff800023fd10f0 rbx 0 rdx 0xa0 rcx 0x5 rax 0x7d806e7f2398 r8 0x2 r9 0x1 r10 0x4dc8b3dfc45b3a36 r11 0xfffffd806f2c9320 r12 0xa0 r13 0xa0 r14 0xffff800000ad6f88 r15 0xfffffd806f2c9300 rip 0xffffffff81ed1f45 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800023fd1028 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (syz-executor.0) pid=149550 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ec69d8,0xffffffff82685070 process=0xffff800020e93b08 user=0xffff800023fcc000, vmspace=0xfffffd807f000b80 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 23202 480201 45997 0 7 0 syz-executor.0 *23202 149550 45997 0 7 0x4000000 syz-executor.0 98727 60338 0 0 3 0x14200 bored sosplice 27703 301650 0 0 3 0x14200 acct acct 87170 275444 6051 0 2 0x482 syz-executor.1 45997 464438 6051 0 2 0x482 syz-executor.0 6051 78345 63241 0 3 0x82 thrsleep syz-fuzzer 6051 405797 63241 0 3 0x4000082 thrsleep syz-fuzzer 6051 253780 63241 0 3 0x4000082 kqread syz-fuzzer 6051 161589 63241 0 3 0x4000082 thrsleep syz-fuzzer 6051 105148 63241 0 3 0x4000082 thrsleep syz-fuzzer 6051 115978 63241 0 3 0x4000082 thrsleep syz-fuzzer 6051 496533 63241 0 3 0x4000082 thrsleep syz-fuzzer 6051 147894 63241 0 3 0x4000082 thrsleep syz-fuzzer 6051 109066 63241 0 3 0x4000082 thrsleep syz-fuzzer 6051 194869 63241 0 3 0x4000082 thrsleep syz-fuzzer 63241 438621 91699 0 3 0x10008a pause ksh 91699 249498 82901 0 3 0x92 select sshd 79034 363839 1 0 3 0x100083 ttyin getty 82901 94132 1 0 3 0x80 select sshd 79439 161686 2203 74 3 0x100092 bpf pflogd 2203 134651 1 0 3 0x80 netio pflogd 60961 147364 25820 73 3 0x100090 kqread syslogd 25820 479001 1 0 3 0x100082 netio syslogd 94319 385829 1 77 3 0x100090 poll dhclient 3643 409386 1 0 3 0x80 poll dhclient 51343 201797 0 0 3 0x14200 bored smr 68861 43801 0 0 3 0x14200 pgzero zerothread 93173 364212 0 0 3 0x14200 aiodoned aiodoned 35527 41952 0 0 3 0x14200 syncer update 33414 15565 0 0 3 0x14200 cleaner cleaner 86154 434287 0 0 3 0x14200 reaper reaper 76236 187676 0 0 3 0x14200 pgdaemon pagedaemon 40569 274672 0 0 3 0x14200 bored crynlk 25931 355854 0 0 3 0x14200 bored crypto 90375 78365 0 0 3 0x40014200 acpi0 acpi0 79828 85025 0 0 3 0x40014200 idle1 10542 271444 0 0 3 0x14200 bored softnet 4175 56456 0 0 3 0x14200 bored systqmp 51006 105077 0 0 3 0x14200 bored systq 55933 46247 0 0 2 0x40014200 softclock 54985 396859 0 0 3 0x40014200 idle0 1 453353 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 23202 (syz-executor.0) thread 0xffff800020ec64f8 (149550) exclusive rwlock netlock r = 0 (0xffffffff824fed68) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 in_ioctl_set_ifaddr+0xa4 #2 in_ioctl+0x2d8 sys/netinet/in.c:243 #3 ifioctl+0xe70 sys/net/if.c:2289 #4 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #5 sys_ioctl+0x4a5 #6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82691b68) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 soo_ioctl+0x26a sys/kern/sys_socket.c:138 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9536 6488K 7371K 78643K 12088 0 pcb 13 8K 8K 78643K 132 0 rtable 99 4K 4K 78643K 342 0 ifaddr 86 16K 16K 78643K 165 0 counters 43 33K 34K 78643K 71 0 ioctlops 0 0K 4K 78643K 1494 0 iov 0 0K 16K 78643K 65 0 mount 1 1K 1K 78643K 1 0 vnodes 1234 78K 78K 78643K 1643 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 43 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 407 0 sigio 0 0K 0K 78643K 6 0 proc 61 63K 95K 78643K 489 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 35 0 in_multi 63 3K 3K 78643K 121 0 ether_multi 1 0K 0K 78643K 17 0 mrt 1 0K 0K 78643K 8 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 255 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 137 72K 72K 78643K 2320 0 UVM aobj 17 2K 2K 78643K 20 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 82 0 NDP 14 0K 0K 78643K 33 0 temp 134 3049K 3113K 78643K 5484 0 kqueue 3 4K 18K 78643K 30 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 7 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 46 0 44 1 0 1 1 0 8 0 rtentry 112 50 0 12 2 0 2 2 0 8 0 unpcb 120 287 0 277 1 0 1 1 0 8 0 syncache 264 13 0 13 4 3 1 1 0 8 1 tcpqe 32 158 0 158 2 2 0 1 0 8 0 tcpcb 544 202 0 195 1 0 1 1 0 8 0 inpcb 280 683 0 675 3 1 2 2 0 8 1 nd6 48 7 0 3 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 ppxss 1128 2 0 2 1 1 0 1 0 8 0 pffrag 232 3 0 3 2 2 0 1 0 482 0 pffrnode 88 3 0 3 2 2 0 1 0 8 0 pffrent 40 92 0 92 2 2 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 56 0 17 1 0 1 1 0 8 0 pfstkey 112 56 0 17 2 0 2 2 0 8 0 pfstate 328 56 0 17 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 236 0 44 12 0 12 12 0 8 0 art_table 32 238 0 44 2 0 2 2 0 8 0 art_node 16 49 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 26 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 41 0 31 1 0 1 1 0 8 0 shmpl 112 18 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2084 0 677 89 0 89 89 0 8 0 ffsino 272 2084 0 677 95 0 95 95 0 8 0 nchpl 144 2890 0 1277 60 0 60 60 0 8 0 uvmvnodes 72 2464 0 0 45 0 45 45 0 8 0 vnodes 208 2464 0 0 130 0 130 130 0 8 0 namei 1024 8337 0 8337 1 0 1 1 0 8 1 percpumem 16 46 0 14 1 0 1 1 0 8 0 vcpupl 1984 6 0 0 1 0 1 1 0 8 0 vmpool 560 7 0 1 1 0 1 1 0 8 0 scxspl 192 8177 0 8177 8 7 1 7 0 8 1 plimitpl 152 50 0 42 1 0 1 1 0 8 0 sigapl 424 624 0 591 4 0 4 4 0 8 0 futexpl 56 6865 0 6865 2 1 1 1 0 8 1 knotepl 112 91 0 72 1 0 1 1 0 8 0 kqueuepl 144 84 0 82 1 0 1 1 0 8 0 pipelkpl 48 146 0 136 1 0 1 1 0 8 0 pipepl 120 292 0 273 2 1 1 2 0 8 0 fdescpl 496 607 0 591 3 0 3 3 0 8 0 filepl 152 4055 0 3950 7 2 5 6 0 8 0 lockfpl 104 80 0 79 1 0 1 1 0 8 0 lockfspl 48 31 0 30 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 382 0 373 1 0 1 1 0 8 0 zombiepl 144 591 0 590 1 0 1 1 0 8 0 processpl 984 624 0 590 5 0 5 5 0 8 0 procpl 624 1504 0 1460 4 0 4 4 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 400 1022 0 1002 10 7 3 7 0 8 1 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 227 0 0 28 0 28 28 0 8 0 mtagpl 80 20 0 0 1 0 1 1 0 8 0 mbufpl 256 371 0 0 22 0 22 22 0 8 0 bufpl 280 4626 0 132 321 0 321 321 0 8 0 anonpl 16 75188 0 61797 78 7 71 71 0 124 10 amapchunkpl 152 4754 0 4619 19 12 7 19 0 158 0 amappl16 192 2928 0 2122 60 11 49 53 0 8 8 amappl15 184 193 0 190 1 0 1 1 0 8 0 amappl14 176 25 0 20 1 0 1 1 0 8 0 amappl13 168 26 0 25 1 0 1 1 0 8 0 amappl12 160 384 0 377 1 0 1 1 0 8 0 amappl11 152 62 0 46 1 0 1 1 0 8 0 amappl10 144 18 0 13 1 0 1 1 0 8 0 amappl9 136 377 0 376 1 0 1 1 0 8 0 amappl8 128 369 0 329 2 0 2 2 0 8 0 amappl7 120 119 0 107 1 0 1 1 0 8 0 amappl6 112 29 0 23 1 0 1 1 0 8 0 amappl5 104 700 0 682 1 0 1 1 0 8 0 amappl4 96 492 0 466 1 0 1 1 0 8 0 amappl3 88 108 0 103 1 0 1 1 0 8 0 amappl2 80 4126 0 4053 2 0 2 2 0 8 0 amappl1 72 22836 0 22388 23 13 10 18 0 8 0 amappl 80 1771 0 1724 2 0 2 2 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 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 19 0 3 1 0 1 1 0 8 0 uaddrrnd 24 614 0 592 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 614 0 592 1 0 1 1 0 8 0 vmmpekpl 168 8942 0 8908 2 0 2 2 0 8 0 vmmpepl 168 80264 0 78284 113 16 97 104 0 357 6 vmsppl 368 613 0 592 3 0 3 3 0 8 1 pdppl 4096 1236 0 1190 7 0 7 7 0 8 1 pvpl 32 228568 0 212025 182 15 167 167 0 265 21 pmappl 232 613 0 592 3 1 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 288 0 10 9 1 8 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800023fd1178) at rtm_msg1+0x1b2 sys/net/rtsock.c:1552 rtm_addr(c,ffff800000ad6f00) at rtm_addr+0x9b sys/net/rtsock.c:1740 rt_ifa_add(ffff800000ad6f00,240404,ffff800000ad6f40,2) at rt_ifa_add+0x2a7 sys/net/route.c:1140 rt_ifa_addlocal(ffff800000ad6f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in_ifinit(ffff8000009d5000,ffff800000ad6f00,ffff800023fd16d0,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_set_ifaddr(8020690c,ffff800023fd16c0,ffff8000009d5000,1) at in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 in_ioctl(8020690c,ffff800023fd16c0,ffff8000009d5000,1) at in_ioctl+0x2d8 sys/netinet/in.c:243 ifioctl(fffffd806f6e1960,8020690c,ffff800023fd16c0,ffff800020ec64f8) at ifioctl+0xe70 sys/net/if.c:2289 soo_ioctl(fffffd806a79e8f0,8020690c,ffff800023fd16c0,ffff800020ec64f8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020ec64f8,ffff800023fd17d8,ffff800023fd1820) at sys_ioctl+0x4a5 syscall(ffff800023fd18a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fd18a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcfed2300ac0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x67 trace_cmp sys/dev/kcov.c:140 [inline] __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x67 sys/dev/kcov.c:198 witness_warn(2,0,ffffffff8225a17a) at witness_warn+0x5b3 sys/kern/subr_witness.c:1451 userret(ffff800020ec69d8) at userret+0x360 sys/kern/kern_sig.c:1893 syscall(ffff800023fcb5b0) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800023fcb5b0) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd5e40, count: -8