uvm_fault(fffffd807efff730,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807efff730,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f7faf0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f7faf0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ec6768,ffff800021f7fcb8,ffff800021f7fd00) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f7fd80) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f7fd80) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb1cc890420, 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(ffffffff8265aa30,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807efff730,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807efff730,fffffd80689b5418,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807efff730,fffffd80689b5418,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807efff730,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807efff730,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f7faf0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f7faf0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ec6768,ffff800021f7fcb8,ffff800021f7fd00) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f7fd80) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f7fd80) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb1cc890420, count: -14 ddb{1}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800021f7f570 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800020f6e000 rax 0xffff800000a1c040 r8 0xffffffff8128b6ef kprintf+0x16f r9 0x1 r10 0x2 r11 0xd181c863f277aa02 r12 0x1 r13 0xfffffd80689b4420 r14 0xffff800020ec6768 r15 0x3 rip 0xffffffff81c7edf8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021f7f560 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=141381 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ec7128,0xffffffff82647678 process=0xffff800020e92f80 user=0xffff800021f7a000, vmspace=0xfffffd807efff730 estcpu=36, cpticks=15, pctcpu=0.0 user=0, sys=15, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62212 511495 425 0 2 0 syz-executor.0 *62212 141381 425 0 7 0x4000000 syz-executor.0 91944 257794 24392 0 7 0 syz-executor.1 91944 373737 24392 0 3 0x4000080 semwait syz-executor.1 91944 178568 24392 0 3 0x4000080 semwait syz-executor.1 37918 222655 0 0 3 0x14200 bored sosplice 24392 365881 9133 0 3 0x82 nanosleep syz-executor.1 425 522476 9133 0 3 0x82 nanosleep syz-executor.0 9133 202660 61314 0 3 0x82 thrsleep syz-fuzzer 9133 410998 61314 0 3 0x4000082 thrsleep syz-fuzzer 9133 429053 61314 0 3 0x4000082 thrsleep syz-fuzzer 9133 160700 61314 0 3 0x4000082 thrsleep syz-fuzzer 9133 468185 61314 0 3 0x4000082 kqread syz-fuzzer 9133 194916 61314 0 3 0x4000082 thrsleep syz-fuzzer 9133 510673 61314 0 3 0x4000082 thrsleep syz-fuzzer 9133 516622 61314 0 3 0x4000082 thrsleep syz-fuzzer 9133 23475 61314 0 3 0x4000082 thrsleep syz-fuzzer 9133 417340 61314 0 3 0x4000082 thrsleep syz-fuzzer 61314 237669 88436 0 3 0x10008a pause ksh 88436 439976 39917 0 3 0x92 select sshd 86797 104021 1 0 3 0x100083 ttyin getty 39917 497732 1 0 3 0x80 select sshd 36999 5356 69294 74 3 0x100092 bpf pflogd 69294 483257 1 0 3 0x80 netio pflogd 64427 433713 62367 73 3 0x100090 kqread syslogd 62367 265184 1 0 3 0x100082 netio syslogd 54887 450918 1 77 3 0x100090 poll dhclient 24443 404054 1 0 3 0x80 poll dhclient 24497 103612 0 0 3 0x14200 bored smr 42502 254323 0 0 2 0x14200 zerothread 30177 154026 0 0 3 0x14200 aiodoned aiodoned 43577 431842 0 0 3 0x14200 syncer update 592 171217 0 0 3 0x14200 cleaner cleaner 93722 318234 0 0 3 0x14200 reaper reaper 35563 245039 0 0 3 0x14200 pgdaemon pagedaemon 90432 154453 0 0 3 0x14200 bored crynlk 34708 146476 0 0 3 0x14200 bored crypto 30583 455143 0 0 3 0x40014200 acpi0 acpi0 55798 434741 0 0 3 0x40014200 idle1 58098 240826 0 0 3 0x14200 bored softnet 68135 394024 0 0 3 0x14200 bored systqmp 97311 472896 0 0 3 0x14200 bored systq 24464 449640 0 0 3 0x40014200 bored softclock 77432 393709 0 0 3 0x40014200 idle0 1 512562 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 62212 (syz-executor.0) thread 0xffff800020ec6768 (141381) exclusive rwlock vmmaplk r = 0 (0xfffffd807efff748) #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 (0xffffffff824f9028) #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 (0xffffffff8265a808) #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 9475 6398K 6528K 78643K 10602 0 pcb 13 8K 8K 78643K 25 0 rtable 105 3K 3K 78643K 199 0 ifaddr 44 10K 10K 78643K 45 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 1473 0 iov 0 0K 12K 78643K 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1239 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 5 0K 0K 78643K 5 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 66 0 proc 59 63K 95K 78643K 438 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 6 0 in_multi 33 2K 2K 78643K 42 0 ether_multi 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 209 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 123 39K 39K 78643K 1134 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 12 0 NDP 6 0K 0K 78643K 10 0 temp 67 3031K 3095K 78643K 2237 0 kqueue 3 4K 4K 78643K 3 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 51 0 41 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 53 0 53 1 1 0 1 0 8 0 tcpcb 544 51 0 46 1 0 1 1 0 8 0 inpcb 280 94 0 86 2 1 1 2 0 8 0 nd6 48 6 0 0 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 18 0 0 1 0 1 1 0 8 0 pfstkey 112 18 0 0 1 0 1 1 0 8 0 pfstate 328 18 0 0 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 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semupl 112 2 0 1 1 0 1 1 0 8 0 semapl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1481 0 75 89 0 89 89 0 8 0 ffsino 272 1481 0 75 95 0 95 95 0 8 0 nchpl 144 1754 0 145 60 0 60 60 0 8 0 uvmvnodes 72 1535 0 0 28 0 28 28 0 8 0 vnodes 208 1535 0 0 81 0 81 81 0 8 0 namei 1024 4570 0 4570 2 1 1 1 0 8 1 percpumem 16 32 0 0 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 scxspl 192 4640 0 4640 9 8 1 7 0 8 1 plimitpl 152 17 0 9 1 0 1 1 0 8 0 sigapl 424 282 0 249 4 0 4 4 0 8 0 futexpl 56 558 0 558 2 1 1 1 0 8 1 knotepl 112 61 0 42 1 0 1 1 0 8 0 kqueuepl 144 12 0 10 1 0 1 1 0 8 0 pipelkpl 48 77 0 67 1 0 1 1 0 8 0 pipepl 120 154 0 135 1 0 1 1 0 8 0 fdescpl 496 266 0 249 3 0 3 3 0 8 0 filepl 152 1373 0 1272 5 0 5 5 0 8 1 lockfpl 104 15 0 14 1 0 1 1 0 8 0 lockfspl 48 7 0 6 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 96 101 0 92 1 0 1 1 0 8 0 zombiepl 144 256 0 256 2 1 1 1 0 8 1 processpl 984 282 0 249 5 0 5 5 0 8 0 procpl 624 367 0 322 4 0 4 4 0 8 0 sockpl 400 164 0 144 3 0 3 3 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 164 0 0 20 0 20 20 0 8 0 mtagpl 80 8 0 0 1 0 1 1 0 8 0 mbufpl 256 186 0 0 11 0 11 11 0 8 0 bufpl 280 3356 0 132 231 0 231 231 0 8 0 anonpl 16 39342 0 24760 60 1 59 59 0 124 0 amapchunkpl 152 1219 0 1074 8 0 8 8 0 158 0 amappl16 192 1008 0 225 40 0 40 40 0 8 0 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 46 0 38 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 28 0 26 2 1 1 1 0 8 0 amappl11 152 57 0 42 1 0 1 1 0 8 0 amappl10 144 18 0 14 1 0 1 1 0 8 0 amappl9 136 399 0 395 1 0 1 1 0 8 0 amappl8 128 370 0 335 2 0 2 2 0 8 0 amappl7 120 121 0 108 1 0 1 1 0 8 0 amappl6 112 23 0 21 1 0 1 1 0 8 0 amappl5 104 156 0 140 1 0 1 1 0 8 0 amappl4 96 512 0 479 1 0 1 1 0 8 0 amappl3 88 116 0 109 1 0 1 1 0 8 0 amappl2 80 1178 0 1102 2 0 2 2 0 8 0 amappl1 72 15866 0 15406 23 13 10 18 0 8 0 amappl 80 620 0 573 3 1 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 268 0 249 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 268 0 249 1 0 1 1 0 8 0 vmmpekpl 168 6128 0 6096 2 0 2 2 0 8 0 vmmpepl 168 39714 0 37659 118 27 91 110 0 357 1 vmsppl 368 267 0 249 2 0 2 2 0 8 0 pdppl 4096 544 0 500 6 0 6 6 0 8 0 pvpl 32 138656 0 120871 145 0 145 145 0 265 1 pmappl 232 267 0 249 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 256 0 4 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(ffffffff824d6ff0) 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(ffffffff8265a600) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8265a600) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800020f65740,ffff800000658e00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f __mp_lock(ffffffff8265a600) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8265a600) 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: 0x7f7ffffd41c0, 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(ffffffff8265aa30,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807efff730,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807efff730,fffffd80689b5418,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807efff730,fffffd80689b5418,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807efff730,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807efff730,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800021f7faf0,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021f7faf0) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ec6768,ffff800021f7fcb8,ffff800021f7fd00) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800021f7fd80) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f7fd80) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb1cc890420, count: -14