uvm_fault(fffffd807efff2e0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807efff2e0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800022901a90,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800022901a90) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020e084f8,ffff800022901c58,ffff800022901ca0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800022901d20) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022901d20) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74516f9bcb0, 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(ffffffff828b0240,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807efff2e0,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807efff2e0,fffffd8068761e28,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807efff2e0,fffffd8068761e28,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807efff2e0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807efff2e0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800022901a90,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800022901a90) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020e084f8,ffff800022901c58,ffff800022901ca0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800022901d20) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022901d20) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74516f9bcb0, count: -14 ddb{1}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800022901510 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff8000218f6000 rax 0xffff800000ae8080 r8 0xffffffff814192af kprintf+0x16f r9 0x1 r10 0x2 r11 0xf0a6e5507c346fd6 r12 0x1 r13 0xfffffd806875e660 r14 0xffff800020e084f8 r15 0x3 rip 0xffffffff812da468 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800022901500 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=451243 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020e09398,0xffffffff8289a920 process=0xffff800020e23360 user=0xffff8000228fc000, vmspace=0xfffffd807efff2e0 estcpu=36, cpticks=17, pctcpu=0.0 user=0, sys=17, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 15343 8013 84813 0 7 0 syz-executor.1 *15343 451243 84813 0 7 0x4000000 syz-executor.1 55111 478759 6115 0 3 0x80 nanosleep syz-executor.0 55111 177455 6115 0 3 0x4000080 lockf syz-executor.0 55111 375202 6115 0 3 0x4000080 fsleep syz-executor.0 81021 221310 1 0 3 0x100083 ttyin getty 20883 129417 0 0 3 0x14200 bored sosplice 84813 426685 16796 0 3 0x82 nanosleep syz-executor.1 6115 504868 16796 0 3 0x82 nanosleep syz-executor.0 16796 99939 30560 0 3 0x82 thrsleep syz-fuzzer 16796 466824 30560 0 3 0x4000082 nanosleep syz-fuzzer 16796 312736 30560 0 3 0x4000082 thrsleep syz-fuzzer 16796 324466 30560 0 3 0x4000082 thrsleep syz-fuzzer 16796 21821 30560 0 3 0x4000082 thrsleep syz-fuzzer 16796 338730 30560 0 3 0x4000082 nanosleep syz-fuzzer 16796 513140 30560 0 3 0x4000082 thrsleep syz-fuzzer 16796 499225 30560 0 3 0x4000082 thrsleep syz-fuzzer 16796 308923 30560 0 3 0x4000082 kqread syz-fuzzer 16796 286401 30560 0 3 0x4000082 thrsleep syz-fuzzer 30560 83324 13656 0 3 0x10008a pause ksh 13656 51608 37316 0 3 0x92 select sshd 37316 329610 1 0 3 0x80 select sshd 27381 238485 42548 74 3 0x100092 bpf pflogd 42548 310040 1 0 3 0x80 netio pflogd 97231 56599 27313 73 3 0x100090 kqread syslogd 27313 385398 1 0 3 0x100082 netio syslogd 54735 439984 1 77 3 0x100090 poll dhclient 53789 347840 1 0 3 0x80 poll dhclient 81363 101037 0 0 3 0x14200 bored smr 75678 226104 0 0 3 0x14200 pgzero zerothread 17290 522461 0 0 3 0x14200 aiodoned aiodoned 53146 462046 0 0 3 0x14200 syncer update 85619 236370 0 0 3 0x14200 cleaner cleaner 50171 68360 0 0 3 0x14200 reaper reaper 21229 404551 0 0 3 0x14200 pgdaemon pagedaemon 29469 123037 0 0 3 0x14200 bored crynlk 91370 9182 0 0 3 0x14200 bored crypto 48979 239709 0 0 3 0x40014200 acpi0 acpi0 65622 466593 0 0 3 0x40014200 idle1 38484 170074 0 0 3 0x14200 bored softnet 51574 229835 0 0 3 0x14200 bored systqmp 1466 24880 0 0 3 0x14200 bored systq 33914 288334 0 0 3 0x40014200 bored softclock 77909 262631 0 0 3 0x40014200 idle0 1 455066 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 15343 (syz-executor.1) thread 0xffff800020e084f8 (451243) exclusive rwlock vmmaplk r = 0 (0xfffffd807efff2f8) #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 (0xffffffff82704858) #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 (0xffffffff82897680) #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 9511 6414K 6672K 78643K 10737 0 pcb 13 8K 8K 78643K 184 0 rtable 118 6K 6K 78643K 254 0 ifaddr 72 14K 14K 78643K 88 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1481 0 iov 0 0K 12K 78643K 15 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1270 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 12 0K 0K 78643K 28 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 142 0 proc 60 63K 83K 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 8 0 in_multi 53 3K 3K 78643K 63 0 ether_multi 1 0K 0K 78643K 5 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 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 120 22K 23K 78643K 1383 0 UVM aobj 4 2K 2K 78643K 4 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 16 0 NDP 11 0K 0K 78643K 18 0 temp 89 3846K 3910K 78643K 2610 0 kqueue 3 4K 8K 78643K 6 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 7 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 23 0 21 1 0 1 1 0 8 0 rtentry 112 49 0 4 2 0 2 2 0 8 0 unpcb 120 86 0 76 1 0 1 1 0 8 0 syncache 264 5 0 5 2 2 0 1 0 8 0 tcpqe 32 1142 0 1142 1 1 0 1 0 8 0 tcpcb 544 64 0 59 2 1 1 2 0 8 0 inpcb 280 307 0 298 2 1 1 2 0 8 0 nd6 48 7 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 1 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 pfrktable 1344 5 0 1 1 0 1 1 0 8 0 pfstitem 24 12 0 2 1 0 1 1 0 8 0 pfstkey 112 12 0 2 1 0 1 1 0 8 0 pfstate 328 12 0 2 1 0 1 1 0 8 0 pfrule 1360 25 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 194 0 2 13 0 13 13 0 8 0 art_table 32 195 0 2 2 0 2 2 0 8 0 art_node 16 48 0 7 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 22 0 12 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1576 0 169 89 0 89 89 0 8 0 ffsino 272 1576 0 169 96 2 94 95 0 8 0 nchpl 144 1934 0 323 60 0 60 60 0 8 0 uvmvnodes 72 1650 0 0 30 0 30 30 0 8 0 vnodes 208 1650 0 0 87 0 87 87 0 8 0 namei 1024 5113 0 5113 3 2 1 1 0 8 1 percpumem 16 35 0 3 1 0 1 1 0 8 0 pfiaddrpl 120 4 0 0 1 0 1 1 0 8 0 scxspl 192 5744 0 5744 10 9 1 7 0 8 1 plimitpl 152 27 0 19 1 0 1 1 0 8 0 sigapl 424 359 0 326 4 0 4 4 0 8 0 futexpl 56 1765 0 1764 1 0 1 1 0 8 0 knotepl 112 65 0 46 1 0 1 1 0 8 0 kqueuepl 144 15 0 13 1 0 1 1 0 8 0 pipepl 304 89 0 79 2 1 1 2 0 8 0 fdescpl 496 343 0 326 3 0 3 3 0 8 0 filepl 152 1868 0 1763 6 1 5 5 0 8 0 lockfpl 104 16 0 13 1 0 1 1 0 8 0 lockfspl 48 7 0 5 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 19 0 8 1 0 1 1 0 8 0 ucredpl 96 127 0 118 1 0 1 1 0 8 0 zombiepl 144 326 0 326 3 2 1 1 0 8 1 processpl 984 359 0 326 6 1 5 5 0 8 0 procpl 624 612 0 567 4 0 4 4 0 8 0 sosppl 128 5 0 5 1 1 0 1 0 8 0 sockpl 400 421 0 400 6 3 3 5 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 202 0 0 25 0 25 25 0 8 0 mtagpl 80 8 0 0 1 0 1 1 0 8 0 mbufpl 256 236 0 0 15 0 15 15 0 8 0 bufpl 280 3542 0 133 244 0 244 244 0 8 0 anonpl 16 45905 0 30034 65 1 64 64 0 124 0 amapchunkpl 152 1753 0 1600 8 0 8 8 0 158 0 amappl16 192 1460 0 609 43 0 43 43 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 33 0 26 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 10 0 10 1 1 0 1 0 8 0 amappl11 152 53 0 38 1 0 1 1 0 8 0 amappl10 144 134 0 122 1 0 1 1 0 8 0 amappl9 136 375 0 374 1 0 1 1 0 8 0 amappl8 128 356 0 324 2 0 2 2 0 8 0 amappl7 120 120 0 108 1 0 1 1 0 8 0 amappl6 112 30 0 23 1 0 1 1 0 8 0 amappl5 104 267 0 248 1 0 1 1 0 8 0 amappl4 96 492 0 463 1 0 1 1 0 8 0 amappl3 88 116 0 109 1 0 1 1 0 8 0 amappl2 80 1788 0 1709 2 0 2 2 0 8 0 amappl1 72 17355 0 16891 23 13 10 18 0 8 0 amappl 80 869 0 821 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 343 0 326 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 343 0 326 1 0 1 1 0 8 0 vmmpekpl 168 6616 0 6583 2 0 2 2 0 8 0 vmmpepl 168 48541 0 46419 118 25 93 109 0 357 0 vmsppl 368 342 0 326 2 0 2 2 0 8 0 pdppl 4096 693 0 652 7 1 6 6 0 8 0 pvpl 32 157336 0 138223 159 3 156 158 0 265 1 pmappl 232 342 0 326 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 273 0 12 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(ffffffff826f6ff0) 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(ffffffff82897478) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82897478) 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 pvclock_get_timecount(ffffffff8276ea58) at pvclock_get_timecount+0x8e rdtsc machine/cpufunc.h:291 [inline] pvclock_get_timecount(ffffffff8276ea58) at pvclock_get_timecount+0x8e sys/dev/pv/pvclock.c:227 nanouptime(ffff8000228fb6d8) at nanouptime+0x67 tc_delta sys/kern/kern_tc.c:134 [inline] nanouptime(ffff8000228fb6d8) at nanouptime+0x67 binuptime sys/kern/kern_tc.c:188 [inline] nanouptime(ffff8000228fb6d8) at nanouptime+0x67 sys/kern/kern_tc.c:198 clock_gettime(ffff800020e09398,3,ffff8000228fb6d8) at clock_gettime+0x88 sys/kern/kern_time.c:123 sys_clock_gettime(ffff800020e09398,ffff8000228fb740,ffff8000228fb790) at sys_clock_gettime+0x4c sys/kern/kern_time.c:165 syscall(ffff8000228fb810) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000228fb810) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffde6d0, count: -12 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(ffffffff828b0240,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd807efff2e0,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd807efff2e0,fffffd8068761e28,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd807efff2e0,fffffd8068761e28,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd807efff2e0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd807efff2e0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800022901a90,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800022901a90) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020e084f8,ffff800022901c58,ffff800022901ca0) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800022901d20) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022901d20) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74516f9bcb0, count: -14