uvm_fault(fffffd807f000a10,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000a10,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023fa7340,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023fa7340) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800024047618,ffff800023fa7508,ffff800023fa7550) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023fa75d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fa75d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ce3b769ce0, count: 243 End of stack trace. Stopped at db_enter+0x18: addq $0x8,%rsp 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(fffffd807f000a10,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807f000a10,fffffd80671ead78,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807f000a10,fffffd80671ead78,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807f000a10,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000a10,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023fa7340,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023fa7340) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800024047618,ffff800023fa7508,ffff800023fa7550) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023fa75d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fa75d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ce3b769ce0, count: -14 ddb{0}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800023fa6dc0 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800020f78000 rax 0xffff800000a1c4c0 r8 0xffffffff818e80df kprintf+0x16f r9 0x1 r10 0x2 r11 0x6c0e927b29b39b76 r12 0x1 r13 0xfffffd8067b808a0 r14 0xffff800024047618 r15 0x3 rip 0xffffffff81ca5fc8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800023fa6db0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=5858 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800024047888,0xffffffff82692e80 process=0xffff800024011368 user=0xffff800023fa2000, vmspace=0xfffffd807f000a10 estcpu=36, cpticks=16, pctcpu=0.0 user=0, sys=16, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80699 130981 87005 0 2 0 syz-executor.1 72687 310130 86837 0 2 0 syz-executor.0 *72687 5858 86837 0 7 0x4000000 syz-executor.0 60065 309563 0 0 3 0x14200 bored sosplice 33333 96822 0 0 3 0x14280 nfsidl nfsio 62416 405847 0 0 3 0x14280 nfsidl nfsio 40316 375904 0 0 3 0x14280 nfsidl nfsio 13024 51285 0 0 3 0x14280 nfsidl nfsio 79410 348821 0 0 3 0x14280 nfsidl nfsio 53052 161753 0 0 3 0x14280 nfsidl nfsio 47988 487872 0 0 3 0x14280 nfsidl nfsio 27339 405023 0 0 3 0x14280 nfsidl nfsio 60135 347532 0 0 3 0x14280 nfsidl nfsio 76942 431448 0 0 3 0x14280 nfsidl nfsio 96660 288055 0 0 3 0x14280 nfsidl nfsio 44571 75722 0 0 3 0x14280 nfsidl nfsio 18318 147002 0 0 3 0x14280 nfsidl nfsio 60374 330470 0 0 3 0x14280 nfsidl nfsio 71561 70297 0 0 3 0x14280 nfsidl nfsio 55345 18332 0 0 3 0x14280 nfsidl nfsio 84209 36949 0 0 3 0x14280 nfsidl nfsio 33997 315124 0 0 3 0x14280 nfsidl nfsio 63723 121891 0 0 3 0x14280 nfsidl nfsio 12062 196068 0 0 3 0x14280 nfsidl nfsio 87005 448247 45363 0 2 0x482 syz-executor.1 86837 319408 45363 0 7 0x482 syz-executor.0 45363 227306 21106 0 3 0x82 thrsleep syz-fuzzer 45363 307239 21106 0 2 0x4000482 syz-fuzzer 45363 492189 21106 0 3 0x4000082 kqread syz-fuzzer 45363 299524 21106 0 2 0x4000482 syz-fuzzer 45363 343343 21106 0 3 0x4000082 thrsleep syz-fuzzer 45363 399649 21106 0 3 0x4000082 thrsleep syz-fuzzer 45363 506547 21106 0 3 0x4000082 thrsleep syz-fuzzer 45363 383665 21106 0 3 0x4000082 thrsleep syz-fuzzer 45363 257847 21106 0 3 0x4000082 thrsleep syz-fuzzer 45363 368709 21106 0 3 0x4000082 thrsleep syz-fuzzer 21106 99377 39243 0 3 0x10008a pause ksh 39243 266889 76175 0 3 0x92 select sshd 52634 68215 1 0 2 0x100083 getty 76175 453730 1 0 3 0x80 select sshd 22904 470370 40282 74 3 0x100092 bpf pflogd 40282 468126 1 0 3 0x80 netio pflogd 5999 456623 92064 73 2 0x100090 syslogd 92064 23024 1 0 3 0x100082 netio syslogd 3529 85231 1 77 3 0x100090 poll dhclient 30925 47608 1 0 3 0x80 poll dhclient 17345 409772 0 0 3 0x14200 bored smr 10684 245093 0 0 2 0x14200 zerothread 35592 384410 0 0 3 0x14200 aiodoned aiodoned 94868 358888 0 0 3 0x14200 syncer update 22327 14109 0 0 3 0x14200 cleaner cleaner 14285 444583 0 0 3 0x14200 reaper reaper 84002 411940 0 0 3 0x14200 pgdaemon pagedaemon 9775 375596 0 0 3 0x14200 bored crynlk 87270 88083 0 0 3 0x14200 bored crypto 95356 345129 0 0 3 0x40014200 acpi0 acpi0 12909 462175 0 0 3 0x40014200 idle1 7761 246844 0 0 3 0x14200 bored softnet 99720 76243 0 0 3 0x14200 bored systqmp 33608 368065 0 0 3 0x14200 bored systq 63950 304660 0 0 2 0x40014200 softclock 75917 474563 0 0 3 0x40014200 idle0 1 284241 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 72687 (syz-executor.0) thread 0xffff800024047618 (5858) exclusive rwlock vmmaplk r = 0 (0xfffffd807f000a28) #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 9515 6421K 6806K 78643K 10818 0 pcb 13 8K 8K 78643K 31 0 rtable 109 3K 3K 78643K 231 0 ifaddr 70 14K 14K 78643K 76 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 1478 0 iov 0 0K 16K 78643K 23 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1307 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 0K 78643K 19 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 169 0 proc 60 63K 95K 78643K 448 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 49 2K 2K 78643K 49 0 ether_multi 1 0K 0K 78643K 1 0 mrt 0 0K 0K 78643K 4 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 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 126 23K 39K 78643K 1491 0 UVM aobj 14 2K 2K 78643K 14 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 3 0 NDP 11 0K 0K 78643K 15 0 temp 98 3035K 3101K 78643K 3823 0 kqueue 3 4K 12K 78643K 7 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 33 0 31 1 0 1 1 0 8 0 rtentry 112 50 0 4 2 0 2 2 0 8 0 unpcb 120 65 0 55 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 97 0 97 1 1 0 1 0 8 0 tcpcb 544 81 0 77 1 0 1 1 0 8 0 inpcb 280 184 0 176 2 1 1 2 0 8 0 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 9 0 1 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 pffrag 232 3 0 3 1 1 0 1 0 482 0 pffrnode 88 3 0 3 1 1 0 1 0 8 0 pffrent 40 11 0 11 1 1 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 27 0 7 1 0 1 1 0 8 0 pfstkey 112 27 0 7 1 0 1 1 0 8 0 pfstate 328 27 0 7 2 0 2 2 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 256 207 0 15 13 1 12 13 0 8 0 art_table 32 208 0 15 2 0 2 2 0 8 0 art_node 16 49 0 7 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 12 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1655 0 250 89 0 89 89 0 8 0 ffsino 272 1655 0 250 94 0 94 94 0 8 0 nchpl 144 2085 0 476 60 0 60 60 0 8 0 uvmvnodes 72 1744 0 0 32 0 32 32 0 8 0 vnodes 208 1744 0 0 92 0 92 92 0 8 0 namei 1024 5876 0 5876 1 0 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 2 1 1 0 1 0 8 0 scxspl 192 5534 0 5534 8 7 1 7 0 8 1 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 424 405 0 352 6 0 6 6 0 8 0 futexpl 56 2105 0 2105 2 1 1 1 0 8 1 knotepl 112 65 0 46 1 0 1 1 0 8 0 kqueuepl 144 52 0 50 1 0 1 1 0 8 0 pipelkpl 48 97 0 87 1 0 1 1 0 8 0 pipepl 120 194 0 175 1 0 1 1 0 8 0 fdescpl 496 369 0 352 3 0 3 3 0 8 0 filepl 152 2239 0 2138 6 1 5 5 0 8 1 lockfpl 104 35 0 34 1 0 1 1 0 8 0 lockfspl 48 15 0 14 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 96 467 0 458 1 0 1 1 0 8 0 zombiepl 144 355 0 355 2 1 1 1 0 8 1 processpl 984 405 0 352 7 0 7 7 0 8 0 procpl 624 721 0 658 6 0 6 6 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 400 286 0 266 4 1 3 3 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 170 0 0 21 0 21 21 0 8 0 mtagpl 80 14 0 0 1 0 1 1 0 8 0 mbufpl 256 235 0 0 13 0 13 13 0 8 0 bufpl 280 3583 0 132 247 0 247 247 0 8 0 anonpl 16 53944 0 39892 78 19 59 73 0 124 0 amapchunkpl 152 1815 0 1679 9 2 7 9 0 158 0 amappl16 192 1826 0 1071 51 13 38 47 0 8 0 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 87 0 80 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 72 0 69 2 1 1 1 0 8 0 amappl11 152 51 0 36 1 0 1 1 0 8 0 amappl10 144 21 0 16 1 0 1 1 0 8 0 amappl9 136 457 0 454 1 0 1 1 0 8 0 amappl8 128 434 0 395 2 0 2 2 0 8 0 amappl7 120 117 0 106 1 0 1 1 0 8 0 amappl6 112 30 0 24 1 0 1 1 0 8 0 amappl5 104 204 0 188 1 0 1 1 0 8 0 amappl4 96 555 0 524 1 0 1 1 0 8 0 amappl3 88 175 0 167 1 0 1 1 0 8 0 amappl2 80 2019 0 1943 2 0 2 2 0 8 0 amappl1 72 17851 0 17403 23 13 10 18 0 8 0 amappl 80 958 0 914 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 13 0 0 1 0 1 1 0 8 0 uaddrrnd 24 371 0 354 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 371 0 354 1 0 1 1 0 8 0 vmmpekpl 168 7050 0 7017 2 0 2 2 0 8 0 vmmpepl 168 52079 0 50084 116 28 88 110 0 357 1 vmsppl 368 370 0 354 2 0 2 2 0 8 0 pdppl 4096 750 0 708 6 0 6 6 0 8 0 pvpl 32 170808 0 153460 182 40 142 178 0 265 0 pmappl 232 370 0 354 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 262 0 5 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(fffffd807f000a10,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807f000a10,fffffd80671ead78,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807f000a10,fffffd80671ead78,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807f000a10,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807f000a10,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023fa7340,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023fa7340) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800024047618,ffff800023fa7508,ffff800023fa7550) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023fa75d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fa75d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6ce3b769ce0, 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 __mp_acquire_count(ffffffff82644950,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020f77b20,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020f77b20,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020f77b20,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff82640ac0,120,ffffffff821f3733,2) at tsleep+0x1cc sys/kern/kern_synch.c:155 sys_nanosleep(ffff800020e6dd48,ffff800020f77c50,ffff800020f77ca0) at sys_nanosleep+0x205 sys/kern/kern_time.c:297 syscall(ffff800020f77d20) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020f77d20) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbbb30, count: -12