*cpu1: uvm_fault(0xfffffc006cec53e8, 0x98, 0, 1) -> e ddb{0}> show kasan No such command ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7581578ea470, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800032797830 rbx 0 rdx 0 rcx 0xffff80003c3cf780 rax 0x2a r8 0xffff800032797760 r9 0x3 r10 0xf0fcb07a4282ed21 r11 0x8281cf181a112b7d r12 0 r13 0 r14 0 r15 0 rip 0xffffffff815e34c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000327977b0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{0}> show proc PROC (sh) tid=35480 pid=42573 tcnt=1 stat=onproc flags process=100002 proc=0 runpri=52, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3ce558,0xffffffff83a55258 process=0xffff80002a37ce88 user=0xffff800032792000, vmspace=0xfffffc006cd0e208 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND *42573 35480 3059 0 7 0x100002 0 sh 76428 98228 45642 0 2 0 0 syz-executor 76428 490561 45642 0 7 0 0x4000000 syz-executor 62192 225498 28266 0 2 0 0 syz-executor 55471 371729 30241 0 2 0x100002 0 ndp 30241 21349 58730 0 3 0x100002 0x88 sigsusp sh 69209 189686 57645 0 2 0 0 syz-executor 69209 470115 57645 0 3 0 0x4000080 kqsel syz-executor 30438 210769 88754 0 2 0x2 0 arp 88754 329329 96365 0 3 0x100002 0x88 sigsusp sh 64116 334550 76123 0 2 0x100002 0 ndp 14637 399623 4425 0 2 0 0 syz-executor 14637 310600 4425 0 3 0 0x4000080 fsleep syz-executor 14637 483500 4425 0 3 0 0x4000080 fsleep syz-executor 76123 184821 98613 0 3 0x100002 0x88 sigsusp sh 3059 404509 22050 0 3 0x2 0x80 wait syz-executor 28266 271851 22050 0 3 0x2 0x80 nanoslp syz-executor 58730 196493 22050 0 3 0x2 0x80 wait syz-executor 98613 331320 22050 0 3 0x2 0x80 wait syz-executor 96365 294913 22050 0 3 0x2 0x80 wait syz-executor 57645 394049 22050 0 3 0x2 0x80 nanoslp syz-executor 4425 473115 22050 0 3 0x2 0x80 nanoslp syz-executor 45642 481339 22050 0 3 0x2 0x80 nanoslp syz-executor 22050 446393 61827 0 3 0x2 0x80 kqread syz-executor 61827 430301 73995 0 3 0x100002 0x88 sigsusp ksh 73995 368441 74464 0 3 0x10 0x88 kqread sshd-session 74464 410024 65069 0 3 0x12 0x80 kqread sshd-session 89880 484523 1 0 3 0x100003 0x80 ttyin getty 65069 421587 1 0 3 0 0x88 kqread sshd 75474 366164 62744 74 3 0x1100012 0x80 bpf pflogd 62744 127069 1 0 3 0 0x80 sbwait pflogd 87027 132489 73747 73 3 0x1100010 0x80 kqread syslogd 73747 198272 1 0 3 0x100002 0x80 sbwait syslogd 37394 260479 1 0 3 0x100000 0x80 kqread resolvd 60873 321239 57145 77 3 0x100012 0x80 kqread dhcpleased 69728 270769 57145 77 3 0x100012 0x80 kqread dhcpleased 57145 51866 1 0 3 0 0x80 kqread dhcpleased 87036 507486 0 0 3 0x14000 0x200 bored smr 13746 36915 0 0 2 0x14000 0x200 zerothread 88877 416797 0 0 3 0x14000 0x200 aiodoned aiodoned 7502 523369 0 0 3 0x14000 0x200 syncer update 68274 165361 0 0 3 0x14000 0x200 cleaner cleaner 22633 140115 0 0 3 0x14000 0x200 reaper reaper 34201 224827 0 0 3 0x14000 0x200 pgdaemon pagedaemon 76568 255645 0 0 3 0x14000 0x200 bored viomb 88979 112586 0 0 3 0x14000 0x40000200 acpi0 acpi0 47438 89920 0 0 3 0x14000 0x40000200 idle1 8875 64943 0 0 3 0x14000 0x200 bored softnet1 29916 183523 0 0 3 0x14000 0x200 bored softnet0 98251 286363 0 0 3 0x14000 0x200 smrbar systqmp 29173 315403 0 0 3 0x14000 0x200 bored systq 17571 147249 0 0 3 0x14000 0x200 tmoslp softclockmp 81564 376081 0 0 3 0x14000 0x40000200 tmoslp softclock 5989 398912 0 0 3 0x14000 0x40000200 idle0 1 306094 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffc006ce94910) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pmap_extract+0x68 pmap_find_pte_direct sys/arch/amd64/amd64/pmap.c:476 [inline] #2 pmap_extract+0x68 sys/arch/amd64/amd64/pmap.c:1584 #3 uvm_fault_upper_lookup+0x20b sys/uvm/uvm_fault.c:975 #4 uvm_fault+0x159 sys/uvm/uvm_fault.c:632 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 Process 42573 (sh) thread 0xffff80003c3cf780 (35480) exclusive rwlock amaplk r = 0 (0xfffffc00683281b8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvm_fault_check+0x8a9 sys/uvm/uvm_fault.c:834 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #5 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffc006cd0e308) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffc006ce94910) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pmap_extract+0x68 pmap_find_pte_direct sys/arch/amd64/amd64/pmap.c:476 [inline] #2 pmap_extract+0x68 sys/arch/amd64/amd64/pmap.c:1584 #3 uvm_fault_upper_lookup+0x20b sys/uvm/uvm_fault.c:975 #4 uvm_fault+0x159 sys/uvm/uvm_fault.c:632 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 Process 76428 (syz-executor) thread 0xffff80003c3ce558 (490561) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83b2de00) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 Process 98251 (systqmp) thread 0xffff800045ffe000 (286363) shared rwlock systqmp r = 0 (0xffffffff83938118) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11050 12084K 12084K 166960K 12141 0 pcb 18 14K 16K 166960K 97 0 rtable 203 5K 5K 166960K 297 0 pf 34 17K 18K 166960K 45 0 ifaddr 39 6K 6K 166960K 41 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 1 1K 9K 166960K 5 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1481 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1290 81K 81K 166960K 1359 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 21 77K 89K 166960K 129 0 proc 69 115K 147K 166960K 537 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 1 0 in_multi 79 5K 5K 166960K 79 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 375 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 228 164K 167K 166960K 3026 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 49 98K 104K 166960K 1269 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 24 1K 1K 166960K 24 0 temp 35 9114K 9120K 166960K 3787 0 kqueue 13 20K 20K 166960K 25 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 28 0 0 1 0 1 1 0 8 0 rtpcb 120 30 0 25 1 0 1 1 0 8 0 rtentry 176 94 0 1 5 0 5 5 0 8 0 unpcb 144 39 0 22 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 8 0 4 1 0 1 1 0 8 0 arp 136 17 0 0 1 0 1 1 0 8 0 inpcb 328 130 0 121 7 0 7 7 0 8 6 nd6 152 16 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 15 0 0 1 0 1 1 0 8 0 pfstkey 128 15 0 0 1 0 1 1 0 8 0 pfstate 448 15 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 256 370 0 0 24 0 24 24 0 8 0 art_table 40 371 0 0 4 0 4 4 0 8 0 art_node 32 94 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1562 0 96 92 0 92 92 0 8 0 ffsino 296 1562 0 96 113 0 113 113 0 8 0 nchpl 144 1753 0 58 63 0 63 63 0 8 0 vnodes 216 1649 0 0 92 0 92 92 0 8 0 namei 1024 5334 0 5334 2 0 2 2 0 8 2 percpumem 16 51 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 6125 0 6125 4 2 2 3 1 8 2 plimitpl 152 30 0 13 1 0 1 1 0 8 0 sigapl 424 446 0 395 7 0 7 7 0 8 0 knotepl 120 58 0 0 2 0 2 2 0 8 0 kqueuepl 224 55 0 45 1 0 1 1 0 8 0 pipepl 344 126 0 99 3 0 3 3 0 8 0 fdescpl 528 430 0 395 3 0 3 3 0 8 0 filepl 160 1607 0 1393 12 0 12 12 0 8 1 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 82 0 69 1 0 1 1 0 8 0 zombiepl 144 395 0 395 1 0 1 1 0 8 1 processpl 1232 446 0 395 5 0 5 5 0 8 0 procpl 664 457 0 402 6 0 6 6 0 8 0 sockpl 752 199 0 168 10 0 10 10 0 8 6 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mextrefs 64 19 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 122 0 0 8 0 8 8 0 8 0 bufpl 272 2270 0 105 145 0 145 145 0 8 0 anonpl 32 3896 0 0 32 0 32 32 0 247 0 amapchunkpl 152 8240 0 7810 19 0 19 19 0 158 1 amappl16 200 2009 0 1998 5 0 5 5 0 8 4 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 448 0 443 1 0 1 1 0 8 0 amappl13 176 158 0 142 1 0 1 1 0 8 0 amappl12 168 674 0 643 2 0 2 2 0 8 0 amappl11 160 21 0 21 2 1 1 1 0 8 1 amappl10 152 63 0 49 1 0 1 1 0 8 0 amappl9 144 282 0 282 1 0 1 1 0 8 1 amappl8 136 96 0 94 1 0 1 1 0 8 0 amappl7 128 147 0 131 1 0 1 1 0 8 0 amappl6 120 151 0 146 1 0 1 1 0 8 0 amappl5 112 100 0 90 1 0 1 1 0 8 0 amappl4 104 290 0 269 1 0 1 1 0 8 0 amappl3 96 1392 0 1301 3 0 3 3 0 8 0 amappl2 88 555 0 479 2 0 2 2 0 8 0 amappl1 80 10237 0 9564 14 0 14 14 0 8 0 amappl 88 2317 0 2174 4 0 4 4 0 92 0 uvmvnodes 80 98 0 0 2 0 2 2 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 430 0 395 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 430 0 395 1 0 1 1 0 8 0 vmmpekpl 168 5578 0 5545 2 0 2 2 0 8 0 vmmpepl 168 37365 0 35423 86 0 86 86 0 357 0 vmsppl 488 429 0 395 5 0 5 5 0 8 0 rwobjpl 80 14554 0 13449 23 0 23 23 0 8 0 pdppl 4096 867 0 790 91 8 83 83 0 8 6 pvpl 32 9265 0 0 75 0 75 75 0 265 0 pmappl 256 429 0 395 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 398 0 11 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7581578ea470, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x57 acpitimer_read sys/dev/acpi/acpitimer.c:141 [inline] acpitimer_delay(1) at acpitimer_delay+0x57 sys/dev/acpi/acpitimer.c:120 comcnputc(800,a) at comcnputc+0x29b sys/dev/ic/com.c:1274 cnputc(a) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(a) at db_putchar+0x498 sys/ddb/db_output.c:168 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 db_printf(ffffffff83460ee8) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8351c309) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80003c3e3890,98) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80003c3e3890) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b end trace frame: 0xffff80003c3e3a40, count: 0 ddb{1}> trace x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x57 acpitimer_read sys/dev/acpi/acpitimer.c:141 [inline] acpitimer_delay(1) at acpitimer_delay+0x57 sys/dev/acpi/acpitimer.c:120 comcnputc(800,a) at comcnputc+0x29b sys/dev/ic/com.c:1274 cnputc(a) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(a) at db_putchar+0x498 sys/ddb/db_output.c:168 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 db_printf(ffffffff83460ee8) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8351c309) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80003c3e3890,98) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80003c3e3890) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff80003c3ce558,fffffc006ceee360,ffff80003c3e3a70) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimes(ffff80003c3ce558,ffff80003c3e3bc0,ffff80003c3e3b10) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733 syscall(ffff80003c3e3bc0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3e3bc0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf848ffb8d0, count: -18