uvm_fault(0xffffffff827d7c08, 0xffff800000b24000, 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(0xffffffff827d7c08, 0xffff800000b24000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800023f02cc0, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800023f02cd8) at rtm_msg1+0x1b2 sys/net/rtsock.c:1552 rtm_addr(c,ffff800000b23f00) at rtm_addr+0x9b sys/net/rtsock.c:1740 rt_ifa_add(ffff800000b23f00,240404,ffff800000b23f40,0) at rt_ifa_add+0x2a7 sys/net/route.c:1140 rt_ifa_addlocal(ffff800000b23f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in_ifinit(ffff800000ac6000,ffff800000b23f00,ffff800000b23f58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff800023f03240,ffff800000ac6000,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff800023f03240,ffff800000ac6000,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd80644da978,8040691a,ffff800023f03240,ffff800020ef0290) at ifioctl+0xe70 sys/net/if.c:2282 soo_ioctl(fffffd80684e3ef0,8040691a,ffff800023f03240,ffff800020ef0290) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020ef0290,ffff800023f03358,ffff800023f033a0) at sys_ioctl+0x4a5 syscall(ffff800023f03420) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023f03420) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdf3035cb800, count: -13 ddb{0}> show registers rdi 0xfffffd806846ab98 rsi 0xffff800000b24000 rbp 0xffff800023f02c50 rbx 0 rdx 0xa0 rcx 0x5 rax 0x7d8067946b98 r8 0x2 r9 0x1 r10 0x9f10a64d9446eaee r11 0xfffffd806846ab20 r12 0xa0 r13 0xa0 r14 0xffff800000b23f88 r15 0xfffffd806846ab00 rip 0xffffffff81909335 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800023f02b88 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (syz-executor.0) pid=93644 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ef1af0,0xffff800020ef0c60 process=0xffff80002237a030 user=0xffff800023efe000, vmspace=0xfffffd807f000170 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 60822 81783 11613 0 7 0 syz-executor.1 60822 241064 11613 0 2 0x4000000 syz-executor.1 58628 72754 41017 0 2 0 syz-executor.0 *58628 93644 41017 0 7 0x4000000 syz-executor.0 67784 234991 0 0 3 0x14280 nfsidl nfsio 2132 415127 0 0 3 0x14280 nfsidl nfsio 75177 194664 0 0 3 0x14280 nfsidl nfsio 69346 20950 0 0 3 0x14280 nfsidl nfsio 18759 154256 0 0 3 0x14280 nfsidl nfsio 69266 357275 0 0 3 0x14280 nfsidl nfsio 44957 232859 0 0 3 0x14280 nfsidl nfsio 71203 244851 0 0 3 0x14280 nfsidl nfsio 9410 198329 0 0 3 0x14280 nfsidl nfsio 80044 30058 0 0 3 0x14280 nfsidl nfsio 33092 214428 0 0 3 0x14280 nfsidl nfsio 24984 217223 0 0 3 0x14280 nfsidl nfsio 91565 57750 0 0 3 0x14280 nfsidl nfsio 4250 256960 0 0 3 0x14280 nfsidl nfsio 1854 273427 0 0 3 0x14280 nfsidl nfsio 46986 424924 0 0 3 0x14280 nfsidl nfsio 41829 339238 0 0 3 0x14280 nfsidl nfsio 42774 367280 0 0 3 0x14280 nfsidl nfsio 13800 489079 0 0 3 0x14280 nfsidl nfsio 52321 358220 0 0 3 0x14280 nfsidl nfsio 11613 418660 90600 0 2 0x482 syz-executor.1 41017 233522 90600 0 3 0x82 nanosleep syz-executor.0 90600 483626 59045 0 3 0x82 thrsleep syz-fuzzer 90600 398354 59045 0 2 0x4000482 syz-fuzzer 90600 85729 59045 0 3 0x4000082 thrsleep syz-fuzzer 90600 60112 59045 0 3 0x4000082 kqread syz-fuzzer 90600 369976 59045 0 3 0x4000082 thrsleep syz-fuzzer 90600 355328 59045 0 3 0x4000082 thrsleep syz-fuzzer 90600 200774 59045 0 3 0x4000082 thrsleep syz-fuzzer 90600 288426 59045 0 3 0x4000082 thrsleep syz-fuzzer 90600 20992 59045 0 2 0x4000482 syz-fuzzer 90600 11528 59045 0 3 0x4000082 thrsleep syz-fuzzer 59045 506573 86792 0 3 0x10008a pause ksh 86792 496517 66023 0 3 0x92 select sshd 72185 146345 1 0 3 0x100083 ttyin getty 66023 449308 1 0 3 0x80 select sshd 99294 162184 23201 74 3 0x100092 bpf pflogd 23201 376974 1 0 3 0x80 netio pflogd 44992 18229 21002 73 2 0x100090 syslogd 21002 47762 1 0 3 0x100082 netio syslogd 17406 226871 1 77 3 0x100090 poll dhclient 66126 477637 1 0 3 0x80 poll dhclient 76081 301914 0 0 3 0x14200 bored smr 91015 139246 0 0 2 0x14200 zerothread 99749 315145 0 0 3 0x14200 aiodoned aiodoned 88447 61226 0 0 3 0x14200 syncer update 49175 382201 0 0 3 0x14200 cleaner cleaner 2766 185975 0 0 3 0x14200 reaper reaper 92220 401119 0 0 3 0x14200 pgdaemon pagedaemon 27093 319226 0 0 3 0x14200 bored crynlk 67686 205445 0 0 3 0x14200 bored crypto 84795 324986 0 0 3 0x40014200 acpi0 acpi0 85931 337026 0 0 3 0x40014200 idle1 75794 295718 0 0 3 0x14200 bored softnet 36036 424158 0 0 3 0x14200 bored systqmp 43481 404969 0 0 3 0x14200 bored systq 52583 418193 0 0 3 0x40014200 bored softclock 6431 305419 0 0 3 0x40014200 idle0 1 332923 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 58628 (syz-executor.0) thread 0xffff800020ef0290 (93644) exclusive rwlock netlock r = 0 (0xffffffff826eff88) #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_change_ifaddr+0x91 #2 in_ioctl+0x2fb sys/netinet/in.c:246 #3 ifioctl+0xe70 sys/net/if.c:2282 #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 (0xffffffff828f7850) #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 9510 6412K 6930K 78643K 11146 0 pcb 13 8K 8K 78643K 76 0 rtable 111 12K 16K 78643K 417 0 ifaddr 65 13K 14K 78643K 134 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1510 0 iov 0 0K 12K 78643K 18 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 1375 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 40 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 238 0 sigio 0 0K 0K 78643K 5 0 proc 61 63K 95K 78643K 462 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 18 0 in_multi 42 2K 2K 78643K 111 0 ether_multi 1 0K 0K 78643K 7 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 215 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 128 39K 39K 78643K 1741 0 UVM aobj 21 2K 2K 78643K 22 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 36 0 NDP 11 0K 0K 78643K 27 0 temp 88 3857K 3921K 78643K 4237 0 kqueue 3 4K 4K 78643K 3 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 8 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 83 0 81 1 0 1 1 0 8 0 rtentry 112 69 0 27 2 0 2 2 0 8 0 unpcb 120 133 0 123 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpqe 32 27 0 27 2 1 1 1 0 8 1 tcpcb 544 189 0 180 1 0 1 1 0 8 0 inpcb 296 464 0 452 2 0 2 2 0 8 1 nd6 48 17 0 13 1 0 1 1 0 8 0 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 42 0 41 1 0 1 1 0 8 0 pftag 88 2 0 2 1 0 1 1 0 8 1 pfstitem 24 18 0 2 1 0 1 1 0 8 0 pfstkey 112 20 0 4 1 0 1 1 0 8 0 pfstate 328 19 0 3 2 0 2 2 0 8 0 pfrule 1360 32 0 25 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 270 0 90 14 1 13 13 0 8 1 art_table 32 271 0 90 2 0 2 2 0 8 0 art_node 16 68 0 29 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 2 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 20 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1721 0 316 89 0 89 89 0 8 0 ffsino 272 1721 0 316 95 1 94 95 0 8 0 nchpl 144 2243 0 633 60 0 60 60 0 8 0 uvmvnodes 72 1882 0 0 35 0 35 35 0 8 0 vnodes 208 1882 0 0 100 0 100 100 0 8 0 namei 1024 6135 0 6135 1 0 1 1 0 8 1 percpumem 16 38 0 6 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 12 0 12 1 0 1 1 0 8 1 scxspl 192 6392 0 6392 8 2 6 7 0 8 6 plimitpl 152 29 0 21 1 0 1 1 0 8 0 sigapl 424 473 0 421 6 0 6 6 0 8 0 futexpl 56 3622 0 3622 1 0 1 1 0 8 1 knotepl 112 61 0 42 1 0 1 1 0 8 0 kqueuepl 144 84 0 82 1 0 1 1 0 8 0 pipelkpl 48 101 0 91 1 0 1 1 0 8 0 pipepl 120 202 0 183 1 0 1 1 0 8 0 fdescpl 496 438 0 421 3 0 3 3 0 8 0 filepl 152 2653 0 2550 5 0 5 5 0 8 1 lockfpl 104 31 0 30 1 0 1 1 0 8 0 lockfspl 48 13 0 12 1 0 1 1 0 8 0 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 96 287 0 278 1 0 1 1 0 8 0 zombiepl 144 421 0 421 1 0 1 1 0 8 1 processpl 984 473 0 421 7 0 7 7 0 8 0 procpl 624 984 0 921 6 0 6 6 0 8 1 sockpl 400 682 0 658 4 0 4 4 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 157 0 0 19 0 19 19 0 8 0 mtagpl 96 28 0 0 1 0 1 1 0 8 0 mbufpl 256 226 0 0 14 0 14 14 0 8 0 bufpl 280 3605 0 135 248 0 248 248 0 8 0 anonpl 16 52358 0 35729 68 1 67 67 0 124 0 amapchunkpl 152 2640 0 2489 20 4 16 20 0 158 9 amappl16 192 1872 0 979 45 0 45 45 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 130 0 120 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 8 0 6 1 0 1 1 0 8 0 amappl11 152 57 0 42 1 0 1 1 0 8 0 amappl10 144 21 0 16 1 0 1 1 0 8 0 amappl9 136 509 0 504 1 0 1 1 0 8 0 amappl8 128 471 0 433 2 0 2 2 0 8 0 amappl7 120 119 0 106 1 0 1 1 0 8 0 amappl6 112 30 0 24 1 0 1 1 0 8 0 amappl5 104 333 0 316 1 0 1 1 0 8 0 amappl4 96 493 0 465 1 0 1 1 0 8 0 amappl3 88 198 0 192 1 0 1 1 0 8 0 amappl2 80 2556 0 2478 2 0 2 2 0 8 0 amappl1 72 19207 0 18750 23 13 10 18 0 8 0 amappl 80 1222 0 1176 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 21 0 1 1 0 1 1 0 8 0 uaddrrnd 24 440 0 421 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 440 0 421 1 0 1 1 0 8 0 vmmpekpl 168 7293 0 7253 2 0 2 2 0 8 0 vmmpepl 168 60255 0 58088 115 12 103 111 0 357 8 vmsppl 368 439 0 421 2 0 2 2 0 8 0 pdppl 4096 887 0 844 6 0 6 6 0 8 0 pvpl 32 177092 0 157111 165 0 165 165 0 265 3 pmappl 232 439 0 421 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 263 0 5 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800023f02cd8) at rtm_msg1+0x1b2 sys/net/rtsock.c:1552 rtm_addr(c,ffff800000b23f00) at rtm_addr+0x9b sys/net/rtsock.c:1740 rt_ifa_add(ffff800000b23f00,240404,ffff800000b23f40,0) at rt_ifa_add+0x2a7 sys/net/route.c:1140 rt_ifa_addlocal(ffff800000b23f00) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in_ifinit(ffff800000ac6000,ffff800000b23f00,ffff800000b23f58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff800023f03240,ffff800000ac6000,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff800023f03240,ffff800000ac6000,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd80644da978,8040691a,ffff800023f03240,ffff800020ef0290) at ifioctl+0xe70 sys/net/if.c:2282 soo_ioctl(fffffd80684e3ef0,8040691a,ffff800023f03240,ffff800020ef0290) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020ef0290,ffff800023f03358,ffff800023f033a0) at sys_ioctl+0x4a5 syscall(ffff800023f03420) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023f03420) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdf3035cb800, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d70ff0) 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_pc() at __sanitizer_cov_trace_pc Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff5fb0, count: -5