uvm_fault(fffffd807f000000,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000000,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021fc4cd0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021fc4cd0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ec7ae8,ffff800021fc4e98,ffff800021fc4ee0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021fc4f60) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021fc4f60) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa1a2ef64c80, count: 243 End of stack trace. Stopped at db_enter+0x18: addq $0x8,%rsp ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> 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(ffffffff826b86c8,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807f000000,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807f000000,fffffd8066f94c90,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807f000000,fffffd8066f94c90,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807f000000,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000000,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021fc4cd0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021fc4cd0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ec7ae8,ffff800021fc4e98,ffff800021fc4ee0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021fc4f60) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021fc4f60) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa1a2ef64c80, count: -14 ddb{0}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800021fc4750 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff80002316e000 rax 0xffff8000009d7a40 r8 0xffffffff818e80df kprintf+0x16f r9 0x1 r10 0x2 r11 0x1b1c59978e2fb76e r12 0x1 r13 0xfffffd8068c71e18 r14 0xffff800020ec7ae8 r15 0x3 rip 0xffffffff81ca5fc8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021fc4740 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=418455 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ec64f8,0xffffffff82692e80 process=0xffff800020e923f8 user=0xffff800021fc0000, vmspace=0xfffffd807f000000 estcpu=36, cpticks=16, pctcpu=0.0 user=0, sys=16, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 45842 194624 81437 0 2 0 syz-executor.1 *45842 418455 81437 0 7 0x4000000 syz-executor.1 86715 268129 23744 0 7 0 syz-executor.0 86715 327249 23744 0 3 0x4000080 netio syz-executor.0 66595 287968 0 0 3 0x14200 bored sosplice 81437 257806 48672 0 2 0x482 syz-executor.1 23744 290469 48672 0 2 0x482 syz-executor.0 48672 342074 86832 0 3 0x82 thrsleep syz-fuzzer 48672 68883 86832 0 3 0x4000082 thrsleep syz-fuzzer 48672 330880 86832 0 3 0x4000082 thrsleep syz-fuzzer 48672 295848 86832 0 3 0x4000082 thrsleep syz-fuzzer 48672 46520 86832 0 3 0x4000082 thrsleep syz-fuzzer 48672 460976 86832 0 3 0x4000082 kqread syz-fuzzer 48672 375998 86832 0 3 0x4000082 thrsleep syz-fuzzer 48672 228195 86832 0 3 0x4000082 thrsleep syz-fuzzer 48672 304218 86832 0 3 0x4000082 thrsleep syz-fuzzer 48672 266515 86832 0 3 0x4000082 thrsleep syz-fuzzer 86832 169855 65223 0 3 0x10008a pause ksh 65223 148037 67262 0 3 0x92 select sshd 77323 354459 1 0 3 0x100083 ttyin getty 67262 66169 1 0 3 0x80 select sshd 24623 129991 5081 74 2 0x100492 pflogd 5081 520872 1 0 3 0x80 netio pflogd 11989 290296 16181 73 2 0x100090 syslogd 16181 491684 1 0 3 0x100082 netio syslogd 99610 317236 1 77 3 0x100090 poll dhclient 75017 332042 1 0 3 0x80 poll dhclient 59987 360147 0 0 3 0x14200 bored smr 6506 331435 0 0 2 0x14200 zerothread 61754 358346 0 0 3 0x14200 aiodoned aiodoned 67472 423202 0 0 3 0x14200 syncer update 31060 256877 0 0 3 0x14200 cleaner cleaner 57095 435377 0 0 3 0x14200 reaper reaper 94742 345165 0 0 3 0x14200 pgdaemon pagedaemon 79326 440976 0 0 3 0x14200 bored crynlk 66300 458997 0 0 3 0x14200 bored crypto 11741 370100 0 0 3 0x40014200 acpi0 acpi0 78641 5424 0 0 3 0x40014200 idle1 3712 470348 0 0 2 0x14200 softnet 62649 370166 0 0 3 0x14200 bored systqmp 2731 443618 0 0 3 0x14200 bored systq 78704 53420 0 0 2 0x40014200 softclock 48250 342084 0 0 3 0x40014200 idle0 1 157393 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 45842 (syz-executor.1) thread 0xffff800020ec7ae8 (418455) exclusive rwlock vmmaplk r = 0 (0xfffffd807f000018) #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 (0xffffffff824b2b58) #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 (0xffffffff82644b58) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9514 6429K 6813K 78643K 11011 0 pcb 13 8K 8K 78643K 92 0 rtable 101 4K 4K 78643K 275 0 ifaddr 72 14K 15K 78643K 106 0 counters 43 33K 34K 78643K 53 0 ioctlops 0 0K 4K 78643K 1486 0 iov 0 0K 16K 78643K 23 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1362 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 57 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 298 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 95K 78643K 450 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 11 0 in_multi 51 2K 2K 78643K 87 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 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 218 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 129 55K 55K 78643K 1936 0 UVM aobj 17 7K 7K 78643K 17 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 35 0 NDP 11 0K 0K 78643K 22 0 temp 95 3034K 3098K 78643K 3684 0 kqueue 3 4K 12K 78643K 26 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 54 0 15 2 0 2 2 0 8 0 unpcb 120 377 0 363 1 0 1 1 0 8 0 syncache 264 8 0 8 2 2 0 1 0 8 0 tcpqe 32 705 0 705 1 1 0 1 0 8 0 tcpcb 544 129 0 122 1 0 1 1 0 8 0 inpcb 280 364 0 354 3 2 1 2 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 3 0 3 1 1 0 1 0 8 0 nd6 48 9 0 6 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 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 3 0 2 1 0 1 1 0 482 0 pffrnode 88 3 0 2 1 0 1 1 0 8 0 pffrent 40 92 0 91 1 0 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 pfstitem 24 37 0 7 1 0 1 1 0 8 0 pfstkey 112 37 0 7 1 0 1 1 0 8 0 pfstate 328 36 0 7 3 0 3 3 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 256 251 0 80 12 1 11 12 0 8 0 art_table 32 252 0 80 2 0 2 2 0 8 0 art_node 16 53 0 16 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 1 0 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 51 0 41 1 0 1 1 0 8 0 shmpl 112 15 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1805 0 404 89 1 88 89 0 8 0 ffsino 272 1805 0 404 94 0 94 94 0 8 0 nchpl 144 2493 0 883 60 0 60 60 0 8 0 uvmvnodes 72 1947 0 0 36 0 36 36 0 8 0 vnodes 208 1947 0 0 103 0 103 103 0 8 0 namei 1024 7042 0 7042 3 2 1 1 0 8 1 percpumem 16 37 0 5 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 4 0 2 1 0 1 1 0 8 0 scxspl 192 7002 0 7002 11 10 1 7 0 8 1 plimitpl 152 46 0 38 1 0 1 1 0 8 0 sigapl 424 514 0 481 4 0 4 4 0 8 0 futexpl 56 4401 0 4401 2 1 1 1 0 8 1 knotepl 112 91 0 72 1 0 1 1 0 8 0 kqueuepl 144 56 0 54 1 0 1 1 0 8 0 pipelkpl 48 126 0 116 1 0 1 1 0 8 0 pipepl 120 252 0 233 1 0 1 1 0 8 0 fdescpl 496 498 0 481 3 0 3 3 0 8 0 filepl 152 3102 0 2994 6 1 5 5 0 8 0 lockfpl 104 103 0 102 1 0 1 1 0 8 0 lockfspl 48 37 0 36 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 269 0 260 1 0 1 1 0 8 0 zombiepl 144 485 0 485 2 1 1 1 0 8 1 processpl 984 514 0 481 5 0 5 5 0 8 0 procpl 624 1159 0 1115 4 0 4 4 0 8 0 sosppl 128 10 0 9 1 0 1 1 0 8 0 sockpl 400 772 0 746 5 2 3 4 0 8 0 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 219 0 0 27 0 27 27 0 8 0 mtagpl 80 26 0 0 1 0 1 1 0 8 0 mbufpl 256 353 0 0 21 0 21 21 0 8 0 bufpl 280 4140 0 141 286 0 286 286 0 8 0 anonpl 16 60395 0 45829 76 15 61 75 0 124 0 amapchunkpl 152 2646 0 2509 8 2 6 8 0 158 0 amappl16 192 2321 0 1538 53 12 41 51 0 8 1 amappl15 184 149 0 146 2 1 1 1 0 8 0 amappl14 176 28 0 23 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 4 0 2 2 1 1 1 0 8 0 amappl11 152 194 0 177 1 0 1 1 0 8 0 amappl10 144 20 0 15 1 0 1 1 0 8 0 amappl9 136 513 0 510 1 0 1 1 0 8 0 amappl8 128 480 0 443 2 0 2 2 0 8 0 amappl7 120 117 0 105 1 0 1 1 0 8 0 amappl6 112 161 0 155 2 1 1 1 0 8 0 amappl5 104 261 0 244 1 0 1 1 0 8 0 amappl4 96 627 0 597 1 0 1 1 0 8 0 amappl3 88 117 0 111 1 0 1 1 0 8 0 amappl2 80 3039 0 2958 2 0 2 2 0 8 0 amappl1 72 20846 0 20387 23 13 10 18 0 8 0 amappl 80 1410 0 1362 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 16 0 0 1 0 1 1 0 8 0 uaddrrnd 24 502 0 483 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 502 0 483 1 0 1 1 0 8 0 vmmpekpl 168 8225 0 8195 2 0 2 2 0 8 0 vmmpepl 168 67545 0 65489 119 28 91 110 0 357 1 vmsppl 368 501 0 483 2 0 2 2 0 8 0 pdppl 4096 1012 0 968 6 0 6 6 0 8 0 pvpl 32 198869 0 181094 186 37 149 184 0 265 2 pmappl 232 501 0 483 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 277 0 9 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> 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(ffffffff826b86c8,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807f000000,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807f000000,fffffd8066f94c90,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807f000000,fffffd8066f94c90,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807f000000,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000000,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021fc4cd0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021fc4cd0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ec7ae8,ffff800021fc4e98,ffff800021fc4ee0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021fc4f60) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021fc4f60) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa1a2ef64c80, count: -14 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 __mp_lock(ffffffff82644950) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82644950) at __mp_lock+0x127 sys/kern/kern_lock.c:147 pageflttrap(ffff800021f8b4d0,1) at pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 usertrap(ffff800021f8b4d0) at usertrap+0x21a sys/arch/amd64/amd64/trap.c:384 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffc3660, count: -7