uvm_fault(fffffd807f000730,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000730,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800020ef5350,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800020ef5350) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020f03880,ffff800020ef5518,ffff800020ef5560) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800020ef55e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ef55e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f2dac6c270, 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(ffffffff828f74a0,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807f000730,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807f000730,fffffd80686aa020,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807f000730,fffffd80686aa020,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807f000730,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000730,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800020ef5350,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800020ef5350) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020f03880,ffff800020ef5518,ffff800020ef5560) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800020ef55e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ef55e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f2dac6c270, count: -14 ddb{1}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800020ef4dd0 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800020f1c000 rax 0xffff800000ae8440 r8 0xffffffff817378df kprintf+0x16f r9 0x1 r10 0x2 r11 0x5645516b51adf3f3 r12 0x1 r13 0xfffffd806b10f430 r14 0xffff800020f03880 r15 0x3 rip 0xffffffff81d71358 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020ef4dc0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=351255 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020f03d60,0xffffffff8290e270 process=0xffff800020f1b368 user=0xffff800020ef0000, vmspace=0xfffffd807f000730 estcpu=36, cpticks=17, pctcpu=0.0 user=0, sys=17, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 56238 403961 42930 0 7 0 syz-executor.0 *56238 351255 42930 0 7 0x4000000 syz-executor.0 96361 354499 0 0 3 0x14280 nfsidl nfsio 35339 513043 0 0 3 0x14280 nfsidl nfsio 7887 82086 0 0 3 0x14280 nfsidl nfsio 39711 445705 0 0 3 0x14280 nfsidl nfsio 30241 458507 0 0 3 0x14280 nfsidl nfsio 65179 96486 0 0 3 0x14280 nfsidl nfsio 53967 872 0 0 3 0x14280 nfsidl nfsio 27098 222811 0 0 3 0x14280 nfsidl nfsio 70672 503558 0 0 3 0x14280 nfsidl nfsio 68973 449813 0 0 3 0x14280 nfsidl nfsio 57718 89626 0 0 3 0x14280 nfsidl nfsio 98631 320449 0 0 3 0x14280 nfsidl nfsio 30243 36469 0 0 3 0x14280 nfsidl nfsio 80637 65524 0 0 3 0x14280 nfsidl nfsio 85193 424207 0 0 3 0x14280 nfsidl nfsio 30092 319535 0 0 3 0x14280 nfsidl nfsio 26468 506233 0 0 3 0x14280 nfsidl nfsio 79116 314887 0 0 3 0x14280 nfsidl nfsio 36364 167268 0 0 3 0x14280 nfsidl nfsio 43262 805 0 0 3 0x14280 nfsidl nfsio 98236 380872 70050 0 3 0x82 nanosleep syz-executor.1 66139 138549 0 0 3 0x14200 bored sosplice 42930 268024 70050 0 3 0x82 nanosleep syz-executor.0 70050 209425 50531 0 3 0x82 thrsleep syz-fuzzer 70050 320573 50531 0 3 0x4000082 nanosleep syz-fuzzer 70050 95086 50531 0 3 0x4000082 thrsleep syz-fuzzer 70050 396572 50531 0 3 0x4000082 kqread syz-fuzzer 70050 455142 50531 0 3 0x4000082 thrsleep syz-fuzzer 70050 65623 50531 0 3 0x4000082 thrsleep syz-fuzzer 70050 465038 50531 0 3 0x4000082 thrsleep syz-fuzzer 70050 346875 50531 0 3 0x4000082 thrsleep syz-fuzzer 70050 178241 50531 0 3 0x4000082 thrsleep syz-fuzzer 70050 222765 50531 0 3 0x4000082 thrsleep syz-fuzzer 70050 294048 50531 0 3 0x4000082 thrsleep syz-fuzzer 50531 233046 66024 0 3 0x10008a pause ksh 66024 249930 99828 0 3 0x92 select sshd 83691 120713 1 0 3 0x100083 ttyin getty 99828 111202 1 0 3 0x80 select sshd 86503 450701 52586 74 3 0x100092 bpf pflogd 52586 435283 1 0 3 0x80 netio pflogd 91583 95173 57397 73 3 0x100090 kqread syslogd 57397 486073 1 0 3 0x100082 netio syslogd 27632 376840 1 77 3 0x100090 poll dhclient 91599 148936 1 0 3 0x80 poll dhclient 56415 359243 0 0 3 0x14200 bored smr 18439 39928 0 0 3 0x14200 pgzero zerothread 18535 455744 0 0 3 0x14200 aiodoned aiodoned 27635 41464 0 0 3 0x14200 syncer update 75887 45513 0 0 3 0x14200 cleaner cleaner 55765 514606 0 0 3 0x14200 reaper reaper 25365 39529 0 0 3 0x14200 pgdaemon pagedaemon 40118 208206 0 0 3 0x14200 bored crynlk 14065 493250 0 0 3 0x14200 bored crypto 58399 372640 0 0 3 0x40014200 acpi0 acpi0 86594 186228 0 0 3 0x40014200 idle1 37947 30352 0 0 3 0x14200 bored softnet 12444 312951 0 0 3 0x14200 bored systqmp 81267 258507 0 0 3 0x14200 bored systq 70245 414643 0 0 3 0x40014200 bored softclock 64575 106154 0 0 3 0x40014200 idle0 1 513241 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 56238 (syz-executor.0) thread 0xffff800020f03880 (351255) exclusive rwlock vmmaplk r = 0 (0xfffffd807f000748) #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 (0xffffffff82766c38) #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 (0xffffffff82910a70) #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 9546 6434K 6999K 78643K 11906 0 pcb 13 8K 8K 78643K 119 0 rtable 95 4K 7K 78643K 444 0 ifaddr 89 16K 17K 78643K 178 0 counters 43 33K 34K 78643K 59 0 ioctlops 0 0K 4K 78643K 1562 0 iov 0 0K 26K 78643K 343 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1600 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 12 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 101 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 617 0 sigio 0 0K 0K 78643K 8 0 proc 63 63K 83K 78643K 542 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 47 0 in_multi 47 2K 3K 78643K 117 0 ether_multi 1 0K 0K 78643K 12 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 73 334K 334K 78643K 73 0 exec 0 0K 1K 78643K 266 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 160 146K 147K 78643K 3062 0 UVM aobj 17 2K 2K 78643K 31 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 72 0 NDP 15 0K 0K 78643K 32 0 temp 134 3856K 3922K 78643K 13079 0 kqueue 3 4K 12K 78643K 17 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 9 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 47 0 45 1 0 1 1 0 8 0 rtentry 112 75 0 40 2 0 2 2 0 8 0 unpcb 120 822 0 812 1 0 1 1 0 8 0 syncache 264 11 0 11 4 4 0 1 0 8 0 tcpqe 32 163 0 163 3 3 0 1 0 8 0 tcpcb 544 240 0 235 1 0 1 1 0 8 0 inpcb 280 592 0 582 4 3 1 2 0 8 0 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 15 0 14 1 0 1 1 0 8 0 pkpcb 40 15 0 15 2 2 0 1 0 8 0 pfstscr 40 8 0 6 1 0 1 1 0 8 0 pffrag 232 7 0 6 2 1 1 1 0 482 0 pffrnode 88 7 0 6 2 1 1 1 0 8 0 pffrent 40 144 0 143 2 1 1 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 pfrktable 1344 43 0 40 1 0 1 1 0 8 0 pftag 88 3 0 2 2 1 1 1 0 8 0 pfstitem 24 26 0 12 1 0 1 1 0 8 0 pfstkey 112 32 0 18 1 0 1 1 0 8 0 pfstate 328 28 0 15 3 1 2 3 0 8 0 pfrule 1360 41 0 24 4 2 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 367 0 234 15 2 13 15 0 8 0 art_table 32 368 0 234 2 0 2 2 0 8 0 art_node 16 74 0 41 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 9 2 1 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 95 0 85 1 0 1 1 0 8 0 shmpl 112 29 0 14 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2231 0 825 89 0 89 89 0 8 0 ffsino 272 2231 0 825 95 0 95 95 0 8 0 nchpl 144 3456 0 1872 60 0 60 60 0 8 0 uvmvnodes 72 2576 0 0 47 0 47 47 0 8 0 vnodes 208 2576 0 0 136 0 136 136 0 8 0 namei 1024 9878 0 9878 2 1 1 1 0 8 1 percpumem 16 40 0 8 1 0 1 1 0 8 0 vcpupl 1984 15 0 0 2 0 2 2 0 8 0 vmpool 560 17 0 2 2 0 2 2 0 8 0 pfiaddrpl 120 12 0 10 2 1 1 1 0 8 0 scxspl 192 10494 0 10494 11 10 1 7 0 8 1 plimitpl 152 73 0 65 1 0 1 1 0 8 0 sigapl 424 850 0 798 6 0 6 6 0 8 0 futexpl 56 9076 0 9076 3 2 1 1 0 8 1 knotepl 112 92 0 73 1 0 1 1 0 8 0 kqueuepl 144 78 0 76 1 0 1 1 0 8 0 pipelkpl 48 150 0 140 1 0 1 1 0 8 0 pipepl 120 300 0 281 1 0 1 1 0 8 0 fdescpl 496 814 0 798 3 0 3 3 0 8 0 filepl 152 5496 0 5395 5 1 4 5 0 8 0 lockfpl 104 157 0 156 1 0 1 1 0 8 0 lockfspl 48 47 0 46 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 27 0 16 1 0 1 1 0 8 0 ucredpl 96 516 0 507 1 0 1 1 0 8 0 zombiepl 144 798 0 797 2 1 1 1 0 8 0 processpl 984 850 0 797 7 0 7 7 0 8 0 procpl 624 2199 0 2135 6 1 5 6 0 8 0 sosppl 128 9 0 9 3 3 0 1 0 8 0 sockpl 400 1479 0 1458 8 5 3 4 0 8 0 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 9 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 171 0 0 21 0 21 21 0 8 0 mtagpl 80 56 0 0 2 0 2 2 0 8 0 mbufpl 256 366 0 0 20 0 20 20 0 8 0 bufpl 280 5167 0 136 360 0 360 360 0 8 0 anonpl 16 92104 0 75221 91 22 69 82 0 124 0 amapchunkpl 152 4856 0 4684 16 8 8 12 0 158 0 amappl16 192 3767 0 2880 59 14 45 57 0 8 0 amappl15 184 71 0 71 2 2 0 1 0 8 0 amappl14 176 309 0 302 1 0 1 1 0 8 0 amappl13 168 36 0 33 1 0 1 1 0 8 0 amappl12 160 228 0 224 2 1 1 1 0 8 0 amappl11 152 140 0 124 1 0 1 1 0 8 0 amappl10 144 26 0 18 1 0 1 1 0 8 0 amappl9 136 396 0 393 1 0 1 1 0 8 0 amappl8 128 393 0 350 2 0 2 2 0 8 0 amappl7 120 125 0 112 1 0 1 1 0 8 0 amappl6 112 31 0 24 1 0 1 1 0 8 0 amappl5 104 924 0 907 1 0 1 1 0 8 0 amappl4 96 510 0 477 1 0 1 1 0 8 0 amappl3 88 416 0 408 1 0 1 1 0 8 0 amappl2 80 5589 0 5516 2 0 2 2 0 8 0 amappl1 72 27270 0 26823 23 13 10 18 0 8 0 amappl 80 2475 0 2417 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 30 0 14 1 0 1 1 0 8 0 uaddrrnd 24 831 0 800 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 831 0 800 1 0 1 1 0 8 0 vmmpekpl 168 10497 0 10459 2 0 2 2 0 8 0 vmmpepl 168 105766 0 103643 150 52 98 145 0 357 0 vmsppl 368 830 0 800 4 1 3 3 0 8 0 pdppl 4096 1669 0 1615 9 2 7 8 0 8 0 pvpl 32 276269 0 256380 215 52 163 198 0 265 0 pmappl 232 830 0 800 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 287 0 16 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff826feff0) 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(ffffffff82910868) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82910868) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff8000227d14b0,ffff80000065ad80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f __mp_lock(ffffffff82910868) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82910868) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7ffffedb80, count: -9 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(ffffffff828f74a0,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807f000730,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807f000730,fffffd80686aa020,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807f000730,fffffd80686aa020,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807f000730,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000730,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800020ef5350,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800020ef5350) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020f03880,ffff800020ef5518,ffff800020ef5560) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800020ef55e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ef55e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f2dac6c270, count: -14