uvm_fault(fffffd8064e66a20,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd8064e66a20,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021da7690,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021da7690) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ed6eb8,ffff800021da7858,ffff800021da78a0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021da7920) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021da7920) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37ea3f84e0, count: 243 End of stack trace. Stopped at db_enter+0x18: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 yield() at yield+0x77 sys/kern/sched_bsd.c:304 pool_get(ffffffff826b0a88,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd8064e66a20,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd8064e66a20,fffffd8069095790,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd8064e66a20,fffffd8069095790,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd8064e66a20,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd8064e66a20,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021da7690,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021da7690) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ed6eb8,ffff800021da7858,ffff800021da78a0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021da7920) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021da7920) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37ea3f84e0, count: -14 ddb{1}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800021da7110 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff80002217e000 rax 0xffff800000a0d080 r8 0xffffffff81538fef kprintf+0x16f r9 0x1 r10 0x2 r11 0x73c0d7638e67f72e r12 0x1 r13 0xfffffd8068cfb050 r14 0xffff800020ed6eb8 r15 0x3 rip 0xffffffff81368be8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021da7100 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=213151 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ed7608,0xffff800020ed7af8 process=0xffff800020e93358 user=0xffff800021da2000, vmspace=0xfffffd8064e66a20 estcpu=36, cpticks=16, pctcpu=0.0 user=0, sys=16, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34150 130827 58430 0 7 0 syz-executor.1 34150 304198 58430 0 2 0x4000000 syz-executor.1 31863 228719 76881 0 2 0 syz-executor.0 *31863 213151 76881 0 7 0x4000000 syz-executor.0 76881 93037 31448 0 3 0x82 nanosleep syz-executor.0 56807 499489 0 0 3 0x14200 bored sosplice 58430 504087 31448 0 3 0x82 nanosleep syz-executor.1 31448 438501 36838 0 3 0x82 thrsleep syz-fuzzer 31448 433344 36838 0 3 0x4000082 thrsleep syz-fuzzer 31448 211118 36838 0 3 0x4000082 thrsleep syz-fuzzer 31448 174134 36838 0 3 0x4000082 thrsleep syz-fuzzer 31448 329436 36838 0 3 0x4000082 thrsleep syz-fuzzer 31448 290590 36838 0 3 0x4000082 thrsleep syz-fuzzer 31448 304832 36838 0 3 0x4000082 thrsleep syz-fuzzer 31448 510876 36838 0 3 0x4000082 kqread syz-fuzzer 31448 34311 36838 0 3 0x4000082 thrsleep syz-fuzzer 31448 228272 36838 0 3 0x4000082 thrsleep syz-fuzzer 36838 189878 5085 0 3 0x10008a pause ksh 5085 375056 44299 0 3 0x92 select sshd 36311 296163 1 0 3 0x100083 ttyin getty 44299 190759 1 0 3 0x80 select sshd 3520 79933 3219 74 3 0x100092 bpf pflogd 3219 147557 1 0 3 0x80 netio pflogd 84888 186210 19815 73 3 0x100090 kqread syslogd 19815 367009 1 0 3 0x100082 netio syslogd 22150 99498 1 77 3 0x100090 poll dhclient 3715 458192 1 0 3 0x80 poll dhclient 47765 174040 0 0 3 0x14200 bored smr 39194 328364 0 0 3 0x14200 pgzero zerothread 77134 3478 0 0 3 0x14200 aiodoned aiodoned 94949 401662 0 0 3 0x14200 syncer update 95501 18742 0 0 3 0x14200 cleaner cleaner 39455 450777 0 0 3 0x14200 reaper reaper 43822 412567 0 0 3 0x14200 pgdaemon pagedaemon 40327 35525 0 0 3 0x14200 bored crynlk 58623 190009 0 0 3 0x14200 bored crypto 1492 427158 0 0 3 0x40014200 acpi0 acpi0 13245 170116 0 0 3 0x40014200 idle1 47518 370862 0 0 3 0x14200 bored softnet 45215 344016 0 0 3 0x14200 bored systqmp 49945 475790 0 0 3 0x14200 bored systq 17606 284258 0 0 3 0x40014200 bored softclock 49477 317962 0 0 3 0x40014200 idle0 1 19835 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 31863 (syz-executor.0) thread 0xffff800020ed6eb8 (213151) exclusive rwlock vmmaplk r = 0 (0xfffffd8064e66a38) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 vm_map_lock_ln+0x111 sys/uvm/uvm_map.c:5445 #3 uvmfault_lookup+0xbe sys/uvm/uvm_fault.c:1442 #4 uvm_fault+0xbbd uvmfault_amapcopy sys/uvm/uvm_fault.c:232 [inline] #4 uvm_fault+0xbbd sys/uvm/uvm_fault.c:559 #5 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 #6 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 #7 alltraps_kern_meltdown+0x7b #8 copyin+0x4b #9 sys_connect+0x9b sys/kern/uipc_syscalls.c:360 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff8252a3b8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sys_connect+0x6a sys/kern/uipc_syscalls.c:355 #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 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8266a3f0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9537 6440K 6875K 78643K 11558 0 pcb 13 8K 8K 78643K 155 0 rtable 106 12K 12K 78643K 505 0 ifaddr 83 15K 16K 78643K 176 0 sysctl 3 1K 1K 78643K 3 0 counters 43 33K 34K 78643K 65 0 ioctlops 0 0K 4K 78643K 1522 0 iov 0 0K 16K 78643K 90 0 mount 1 1K 1K 78643K 1 0 vnodes 1228 77K 77K 78643K 1585 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 0K 1K 78643K 89 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 705 0 sigio 0 0K 0K 78643K 14 0 proc 62 63K 95K 78643K 606 0 subproc 32 2K 2K 78643K 85 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 78 0 in_multi 63 3K 3K 78643K 196 0 ether_multi 1 0K 0K 78643K 28 0 mrt 0 0K 0K 78643K 3 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 294 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 144 88K 89K 78643K 3377 0 UVM aobj 10 2K 2K 78643K 10 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 128 0 NDP 14 0K 0K 78643K 39 0 temp 130 3043K 3107K 78643K 22029 0 kqueue 3 4K 12K 78643K 36 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 14 0 7 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 56 0 54 1 0 1 1 0 8 0 rtentry 112 104 0 64 2 0 2 2 0 8 0 unpcb 120 374 0 364 1 0 1 1 0 8 0 syncache 264 13 0 13 6 5 1 1 0 8 1 tcpqe 32 86 0 86 1 1 0 1 0 8 0 tcpcb 544 267 0 263 1 0 1 1 0 8 0 inpcb 280 1925 0 1917 4 2 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 23 0 20 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 8 0 7 3 2 1 1 0 482 0 pffrnode 88 8 0 7 3 2 1 1 0 8 0 pffrent 40 18 0 17 3 2 1 1 0 8 0 pfosfp 40 848 0 423 5 0 5 5 0 8 0 pfosfpen 112 1431 0 714 21 0 21 21 0 8 0 pfstitem 24 76 0 23 1 0 1 1 0 8 0 pfstkey 112 76 0 23 2 0 2 2 0 8 0 pfstate 328 75 0 23 6 0 6 6 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 256 488 0 299 14 2 12 13 0 8 0 art_table 32 489 0 299 2 0 2 2 0 8 0 art_node 16 103 0 65 1 0 1 1 0 8 0 sysvmsgpl 40 44 0 27 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 85 0 75 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2295 0 889 89 0 89 89 0 8 0 ffsino 272 2295 0 889 95 1 94 95 0 8 0 nchpl 144 3415 0 1816 60 0 60 60 0 8 0 uvmvnodes 72 2613 0 0 48 0 48 48 0 8 0 vnodes 208 2613 0 0 138 0 138 138 0 8 0 namei 1024 9611 0 9610 3 2 1 1 0 8 0 percpumem 16 43 0 11 1 0 1 1 0 8 0 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 560 9 0 2 1 0 1 1 0 8 0 scxspl 192 9859 0 9859 11 10 1 7 0 8 1 plimitpl 152 56 0 48 1 0 1 1 0 8 0 sigapl 424 912 0 879 4 0 4 4 0 8 0 futexpl 56 10804 0 10804 1 0 1 1 0 8 1 knotepl 112 141 0 122 1 0 1 1 0 8 0 kqueuepl 144 89 0 86 1 0 1 1 0 8 0 pipelkpl 48 502 0 492 1 0 1 1 0 8 0 pipepl 120 1004 0 985 1 0 1 1 0 8 0 fdescpl 496 896 0 879 4 1 3 3 0 8 0 filepl 152 6493 0 6386 5 0 5 5 0 8 0 lockfpl 104 157 0 156 1 0 1 1 0 8 0 lockfspl 48 52 0 51 1 0 1 1 0 8 0 sessionpl 112 21 0 10 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 482 0 473 1 0 1 1 0 8 0 zombiepl 144 896 0 896 3 2 1 1 0 8 1 processpl 984 912 0 879 5 0 5 5 0 8 0 procpl 624 2415 0 2371 4 0 4 4 0 8 0 sosppl 128 16 0 16 3 3 0 1 0 8 0 sockpl 400 2361 0 2341 9 5 4 5 0 8 2 mcl64k 65536 259 0 0 33 3 30 33 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 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 269 0 0 33 0 33 33 0 8 0 mtagpl 80 32 0 0 1 0 1 1 0 8 0 mbufpl 256 347 0 0 22 0 22 22 0 8 0 bufpl 280 5493 0 134 383 0 383 383 0 8 0 anonpl 16 107094 0 91978 90 27 63 78 0 124 0 amapchunkpl 152 5681 0 5542 17 10 7 13 0 158 0 amappl16 192 4318 0 3496 71 29 42 54 0 8 0 amappl15 184 185 0 181 1 0 1 1 0 8 0 amappl14 176 26 0 20 1 0 1 1 0 8 0 amappl13 168 237 0 234 1 0 1 1 0 8 0 amappl12 160 3 0 3 1 1 0 1 0 8 0 amappl11 152 238 0 221 1 0 1 1 0 8 0 amappl10 144 337 0 331 1 0 1 1 0 8 0 amappl9 136 429 0 428 1 0 1 1 0 8 0 amappl8 128 483 0 440 2 0 2 2 0 8 0 amappl7 120 418 0 400 1 0 1 1 0 8 0 amappl6 112 33 0 26 1 0 1 1 0 8 0 amappl5 104 690 0 672 1 0 1 1 0 8 0 amappl4 96 631 0 598 1 0 1 1 0 8 0 amappl3 88 227 0 219 1 0 1 1 0 8 0 amappl2 80 6212 0 6130 2 0 2 2 0 8 0 amappl1 72 29769 0 29313 23 13 10 18 0 8 0 amappl 80 2729 0 2679 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 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 905 0 881 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 905 0 881 1 0 1 1 0 8 0 vmmpekpl 168 11959 0 11924 2 0 2 2 0 8 0 vmmpepl 168 116968 0 114853 141 47 94 119 0 357 1 vmsppl 368 904 0 881 3 0 3 3 0 8 0 pdppl 4096 1818 0 1769 8 1 7 7 0 8 0 pvpl 32 307437 0 289070 200 46 154 186 0 265 0 pmappl 232 904 0 881 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 326 0 17 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff824b6ff0) 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 __mp_lock(ffffffff8266a1e8) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8266a1e8) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800020f870c0,ffff800000658e00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x36 kd_curproc sys/dev/kcov.c:411 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x36 sys/dev/kcov.c:79 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f __sanitizer_cov_trace_switch(ffff800020ed7608,0) at __sanitizer_cov_trace_switch+0x167 sys/dev/kcov.c:204 sys_clock_gettime(ffff800020ed7608,ffff800020f873c0,ffff800020f87410) at sys_clock_gettime+0x4c sys/kern/kern_time.c:165 syscall(ffff800020f87490) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020f87490) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe19f0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 yield() at yield+0x77 sys/kern/sched_bsd.c:304 pool_get(ffffffff826b0a88,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd8064e66a20,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd8064e66a20,fffffd8069095790,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd8064e66a20,fffffd8069095790,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd8064e66a20,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd8064e66a20,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021da7690,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021da7690) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ed6eb8,ffff800021da7858,ffff800021da78a0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021da7920) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021da7920) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37ea3f84e0, count: -14