uvm_fault(fffffd806e954e68,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd806e954e68,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023184d40,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023184d40) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ed69d8,ffff800023184f08,ffff800023184f50) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023184fd0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023184fd0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x27d2f985630, 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(ffffffff8264f6d8,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd806e954e68,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd806e954e68,fffffd8068c87840,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd806e954e68,fffffd8068c87840,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd806e954e68,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd806e954e68,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023184d40,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023184d40) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ed69d8,ffff800023184f08,ffff800023184f50) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023184fd0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023184fd0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x27d2f985630, count: -14 ddb{1}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff8000231847c0 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800020f6c000 rax 0xffff800000a1c380 r8 0xffffffff814a3bdf kprintf+0x16f r9 0x1 r10 0x2 r11 0x49a334707392b307 r12 0x1 r13 0xfffffd806fa6cd80 r14 0xffff800020ed69d8 r15 0x3 rip 0xffffffff81bf1358 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000231847b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=213738 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ed6288,0xffffffff82655490 process=0xffff800020e93b08 user=0xffff800023180000, vmspace=0xfffffd806e954e68 estcpu=36, cpticks=15, pctcpu=0.0 user=0, sys=15, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82963 494853 23379 0 7 0 syz-executor.0 *82963 213738 23379 0 7 0x4000000 syz-executor.0 96976 199177 32479 0 3 0x80 nanosleep syz-executor.1 96976 436246 32479 0 3 0x4000080 netio syz-executor.1 96976 258919 32479 0 3 0x4000080 fsleep syz-executor.1 43869 93345 0 0 3 0x14200 bored sosplice 62378 390706 1 0 3 0x100083 ttyin getty 32479 29888 45880 0 3 0x82 nanosleep syz-executor.1 23379 4864 45880 0 3 0x82 nanosleep syz-executor.0 45880 169772 46927 0 3 0x82 kqread syz-fuzzer 45880 27571 46927 0 3 0x4000082 nanosleep syz-fuzzer 45880 404436 46927 0 3 0x4000082 thrsleep syz-fuzzer 45880 288579 46927 0 3 0x4000082 thrsleep syz-fuzzer 45880 281058 46927 0 3 0x4000082 thrsleep syz-fuzzer 45880 156780 46927 0 3 0x4000082 thrsleep syz-fuzzer 45880 177350 46927 0 3 0x4000082 thrsleep syz-fuzzer 45880 495994 46927 0 3 0x4000082 nanosleep syz-fuzzer 45880 364583 46927 0 3 0x4000082 thrsleep syz-fuzzer 45880 250901 46927 0 3 0x4000082 thrsleep syz-fuzzer 46927 168987 68115 0 3 0x10008a pause ksh 68115 10705 31394 0 3 0x92 select sshd 31394 256260 1 0 3 0x80 select sshd 9449 307653 39650 74 3 0x100092 bpf pflogd 39650 263175 1 0 3 0x80 netio pflogd 75685 403538 69657 73 3 0x100090 kqread syslogd 69657 243268 1 0 3 0x100082 netio syslogd 66357 60522 1 77 3 0x100090 poll dhclient 46707 104334 1 0 3 0x80 poll dhclient 19681 333329 0 0 3 0x14200 bored smr 87443 461850 0 0 3 0x14200 pgzero zerothread 64783 60653 0 0 3 0x14200 aiodoned aiodoned 39128 428743 0 0 3 0x14200 syncer update 48750 72744 0 0 3 0x14200 cleaner cleaner 14005 359861 0 0 3 0x14200 reaper reaper 4898 270463 0 0 3 0x14200 pgdaemon pagedaemon 26326 299421 0 0 3 0x14200 bored crynlk 90077 448223 0 0 3 0x14200 bored crypto 26815 169084 0 0 3 0x40014200 acpi0 acpi0 5681 218541 0 0 3 0x40014200 idle1 16816 231179 0 0 3 0x14200 bored softnet 1386 163828 0 0 3 0x14200 bored systqmp 61751 82320 0 0 3 0x14200 bored systq 81475 502413 0 0 3 0x40014200 bored softclock 27336 119090 0 0 3 0x40014200 idle0 1 186806 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 82963 (syz-executor.0) thread 0xffff800020ed69d8 (213738) exclusive rwlock vmmaplk r = 0 (0xfffffd806e954e80) #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 (0xffffffff82507458) #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 (0xffffffff82691818) #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 9513 6429K 6689K 78643K 10898 0 pcb 13 8K 8K 78643K 59 0 rtable 89 3K 4K 78643K 255 0 ifaddr 72 14K 15K 78643K 110 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 53 0 ioctlops 0 0K 4K 78643K 1486 0 iov 1 8K 32K 78643K 36 0 mount 1 1K 1K 78643K 1 0 vnodes 1213 76K 77K 78643K 1310 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 1K 78643K 58 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 274 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 83K 78643K 474 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 110 0 in_multi 53 3K 3K 78643K 77 0 ether_multi 1 0K 0K 78643K 7 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 232 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 136 56K 56K 78643K 1853 0 UVM aobj 10 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 36 0 NDP 11 0K 0K 78643K 20 0 temp 97 3035K 3110K 78643K 8697 0 kqueue 3 4K 8K 78643K 12 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 42 0 40 1 0 1 1 0 8 0 rtentry 112 45 0 12 2 0 2 2 0 8 0 unpcb 120 164 0 154 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 211 0 211 1 1 0 1 0 8 0 tcpcb 544 116 0 112 1 0 1 1 0 8 0 inpcb 280 650 0 641 2 1 1 2 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 2 0 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pffrag 232 7 0 5 1 0 1 1 0 482 0 pffrnode 88 7 0 5 1 0 1 1 0 8 0 pffrent 40 16 0 14 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 32 0 4 1 0 1 1 0 8 0 pfstkey 112 32 0 4 1 0 1 1 0 8 0 pfstate 328 31 0 4 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 256 188 0 41 12 1 11 12 0 8 0 art_table 32 189 0 41 2 0 2 2 0 8 0 art_node 16 44 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 13 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 56 0 46 1 0 1 1 0 8 0 shmpl 112 12 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1768 0 363 89 0 89 89 0 8 0 ffsino 272 1768 0 363 95 0 95 95 0 8 0 nchpl 144 2310 0 702 60 0 60 60 0 8 0 uvmvnodes 72 1869 0 0 34 0 34 34 0 8 0 vnodes 208 1869 0 0 99 0 99 99 0 8 0 namei 1024 6311 0 6311 2 1 1 1 0 8 1 percpumem 16 37 0 5 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 6 0 2 1 0 1 1 0 8 0 scxspl 192 6231 0 6231 9 8 1 7 0 8 1 plimitpl 152 44 0 35 1 0 1 1 0 8 0 sigapl 424 491 0 458 4 0 4 4 0 8 0 futexpl 56 3994 0 3993 2 1 1 1 0 8 0 knotepl 112 71 0 52 1 0 1 1 0 8 0 kqueuepl 144 47 0 45 1 0 1 1 0 8 0 pipelkpl 48 105 0 95 1 0 1 1 0 8 0 pipepl 120 210 0 191 1 0 1 1 0 8 0 fdescpl 496 475 0 458 3 0 3 3 0 8 0 filepl 152 2791 0 2686 6 1 5 5 0 8 0 lockfpl 104 66 0 65 1 0 1 1 0 8 0 lockfspl 48 28 0 27 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 25 0 14 1 0 1 1 0 8 0 ucredpl 96 240 0 231 1 0 1 1 0 8 0 zombiepl 144 461 0 461 1 0 1 1 0 8 1 processpl 984 491 0 458 5 0 5 5 0 8 0 procpl 624 1062 0 1017 4 0 4 4 0 8 0 sosppl 128 8 0 8 2 2 0 1 0 8 0 sockpl 400 864 0 843 6 3 3 4 0 8 0 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k 2048 179 0 0 22 0 22 22 0 8 0 mtagpl 80 21 0 0 1 0 1 1 0 8 0 mbufpl 256 209 0 0 13 0 13 13 0 8 0 bufpl 280 3663 0 133 253 0 253 253 0 8 0 anonpl 16 60444 0 45212 78 16 62 76 0 124 0 amapchunkpl 152 2405 0 2250 9 1 8 9 0 158 0 amappl16 192 2123 0 1315 53 12 41 52 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 26 0 20 1 0 1 1 0 8 0 amappl13 168 513 0 501 1 0 1 1 0 8 0 amappl12 160 6 0 5 2 1 1 1 0 8 0 amappl11 152 58 0 43 1 0 1 1 0 8 0 amappl10 144 20 0 13 1 0 1 1 0 8 0 amappl9 136 381 0 380 1 0 1 1 0 8 0 amappl8 128 354 0 318 2 0 2 2 0 8 0 amappl7 120 118 0 107 1 0 1 1 0 8 0 amappl6 112 26 0 21 1 0 1 1 0 8 0 amappl5 104 143 0 126 1 0 1 1 0 8 0 amappl4 96 736 0 701 1 0 1 1 0 8 0 amappl3 88 361 0 352 1 0 1 1 0 8 0 amappl2 80 2842 0 2764 2 0 2 2 0 8 0 amappl1 72 20597 0 20145 23 13 10 18 0 8 0 amappl 80 1319 0 1269 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 4 1 0 1 1 0 8 0 uaddrrnd 24 481 0 460 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 481 0 460 1 0 1 1 0 8 0 vmmpekpl 168 7787 0 7754 2 0 2 2 0 8 0 vmmpepl 168 64978 0 62899 111 19 92 107 0 357 0 vmsppl 368 480 0 460 2 0 2 2 0 8 0 pdppl 4096 970 0 924 6 0 6 6 0 8 0 pvpl 32 192103 0 173599 185 35 150 183 0 265 0 pmappl 232 480 0 460 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 264 0 8 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(ffffffff824d4ff0) 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(ffffffff82691610) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82691610) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800023fb1a50,ffff800000658e00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f __mp_lock(ffffffff82691610) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82691610) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:88 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff71c0, count: -11 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(ffffffff8264f6d8,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd806e954e68,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd806e954e68,fffffd8068c87840,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd806e954e68,fffffd8068c87840,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd806e954e68,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd806e954e68,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023184d40,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023184d40) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff800020ed69d8,ffff800023184f08,ffff800023184f50) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023184fd0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023184fd0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x27d2f985630, count: -14