panic: Data modified on freelist: word 4 of object 0xffff80000164c900 size 0x84 previous type free (0x0 != 0xdeadbeef) Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 310073 18295 0 0 0 1 syz-executor *500129 81934 0 0x102004 0 0K sh db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83376834) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(84,3f,1) at malloc+0xdb6 sys/kern/kern_malloc.c:357 sys_execve(ffff80003c43e2c8,ffff800034fccc90,ffff800034fccbe0) at sys_execve+0xf8 sys/kern/kern_exec.c:297 syscall(ffff800034fccc90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034fccc90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759cd1744920, count: 9 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: Data modified on freelist: word 4 of object 0xffff80000164c900 size 0x84 previous type free (0x0 != 0xdeadbeef) ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83376834) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(84,3f,1) at malloc+0xdb6 sys/kern/kern_malloc.c:357 sys_execve(ffff80003c43e2c8,ffff800034fccc90,ffff800034fccbe0) at sys_execve+0xf8 sys/kern/kern_exec.c:297 syscall(ffff800034fccc90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034fccc90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759cd1744920, count: -6 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800034fcc4d0 rbx 0xffffffff838a9e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff80003c43e2c8 rax 0xffffffff838a8ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe66952902dec2b1d r11 0xc6e97df007f2651b r12 0xffffffff838a9c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff81428175 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800034fcc4c0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (sh) tid=500129 pid=81934 tcnt=1 stat=onproc flags process=102004 proc=0 runpri=83, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c43e2c8 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c43ea90,0xffff80003c43e040 process=0xffff8000fffef508 user=0xffff800034fc7000, vmspace=0xfffffd807874a5d0 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 18295 310073 98370 0 7 0 syz-executor 18295 55730 98370 0 3 0x4000080 fsleep syz-executor *81934 500129 17326 0 7 0x102004 sh 17326 86089 82524 0 3 0x10008a sigsusp sh 84667 64048 8418 0 3 0x80 fsleep syz-executor 84667 451066 8418 0 3 0x4000080 kqsel syz-executor 82524 260301 88365 0 3 0x82 wait syz-executor 44555 474819 10621 0 3 0x80 fsleep syz-executor 44555 493076 10621 0 3 0x4000080 bell syz-executor 38544 363346 45748 0 3 0x80 fsleep syz-executor 38544 413425 45748 0 3 0x4000000 biowait syz-executor 29549 103826 47893 0 3 0x80 fsleep syz-executor 29549 76926 47893 0 3 0x4000080 fifor syz-executor 3385 135495 1 0 3 0x100083 ttyin getty 14777 98507 0 0 3 0x14280 nfsidl nfsio 13396 133107 0 0 3 0x14280 nfsidl nfsio 37234 262982 0 0 3 0x14280 nfsidl nfsio 39614 246382 0 0 3 0x14280 nfsidl nfsio 54951 386587 0 0 3 0x14280 nfsidl nfsio 53231 442335 0 0 3 0x14280 nfsidl nfsio 64006 66179 0 0 3 0x14280 nfsidl nfsio 46220 310649 0 0 3 0x14280 nfsidl nfsio 81984 87014 0 0 3 0x14280 nfsidl nfsio 26666 50577 0 0 3 0x14280 nfsidl nfsio 774 371580 0 0 3 0x14280 nfsidl nfsio 23295 434254 0 0 3 0x14280 nfsidl nfsio 56173 497965 0 0 3 0x14280 nfsidl nfsio 67212 489150 0 0 3 0x14280 nfsidl nfsio 6362 326337 0 0 3 0x14280 nfsidl nfsio 99178 221097 0 0 3 0x14280 nfsidl nfsio 13502 421887 0 0 3 0x14280 nfsidl nfsio 5381 477915 0 0 3 0x14280 nfsidl nfsio 81005 470499 0 0 3 0x14280 nfsidl nfsio 13315 312914 0 0 3 0x14280 nfsidl nfsio 50000 202754 88365 0 3 0x2 biowait syz-executor 47893 27116 88365 0 3 0x82 nanoslp syz-executor 8418 266691 88365 0 3 0x82 nanoslp syz-executor 10621 455397 88365 0 3 0x82 nanoslp syz-executor 24568 380548 88365 0 3 0x82 wait syz-executor 45748 338747 88365 0 3 0x82 nanoslp syz-executor 98370 201605 88365 0 3 0x82 nanoslp syz-executor 88365 21323 90580 0 3 0x82 kqread syz-executor 90580 64153 59740 0 3 0x10008a sigsusp ksh 59740 416320 20447 0 3 0x98 kqread sshd-session 20447 386255 92134 0 3 0x92 kqread sshd-session 92134 514481 1 0 3 0x88 kqread sshd 76762 303591 87993 74 3 0x1100092 bpf pflogd 87993 405221 1 0 3 0x80 sbwait pflogd 13692 182557 23478 73 3 0x1100090 kqread syslogd 23478 329871 1 0 3 0x100082 sbwait syslogd 61938 253763 1 0 3 0x100080 kqread resolvd 44639 269536 80171 77 3 0x100092 kqread dhcpleased 24408 408821 80171 77 3 0x100092 kqread dhcpleased 80171 108448 1 0 3 0x80 kqread dhcpleased 10808 151915 0 0 3 0x14200 bored smr 71748 390324 0 0 3 0x14200 pgzero zerothread 11669 201295 0 0 3 0x14200 aiodoned aiodoned 57305 290856 0 0 3 0x14200 syncer update 74640 370724 0 0 3 0x14200 cleaner cleaner 40023 255070 0 0 3 0x14200 reaper reaper 37146 51603 0 0 3 0x14200 pgdaemon pagedaemon 42525 368313 0 0 3 0x14200 bored viomb 74310 422607 0 0 3 0x40014200 acpi0 acpi0 96726 5822 0 0 3 0x40014200 idle1 71806 326208 0 0 3 0x14200 bored softnet1 53851 51611 0 0 3 0x14200 bored softnet0 37480 330875 0 0 3 0x14200 bored systqmp 74314 145611 0 0 3 0x14200 bored systq 80457 452179 0 0 3 0x14200 tmoslp softclockmp 43505 13535 0 0 3 0x40014200 tmoslp softclock 49442 485752 0 0 3 0x40014200 idle0 1 330559 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_malloc.c:96 r = 0 (0xffffffff838195f8) #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 malloc+0x2ef sys/kern/kern_malloc.c:200 #3 sys_execve+0xf8 sys/kern/kern_exec.c:297 #4 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #5 Xsyscall+0x128 Process 18295 (syz-executor) thread 0xffff80003c43e030 (310073) exclusive rwlock uobjlk r = 0 (0xfffffd806c9a8ce8) #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+0x1e5 sys/uvm/uvm_fault.c:649 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd807874ae70) #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+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 81934 (sh) thread 0xffff80003c43e2c8 (500129) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83952040) #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:775 #2 Xsyscall+0x128 exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_malloc.c:96 r = 0 (0xffffffff838195f8) #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 malloc+0x2ef sys/kern/kern_malloc.c:200 #3 sys_execve+0xf8 sys/kern/kern_exec.c:297 #4 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #5 Xsyscall+0x128 Process 38544 (syz-executor) thread 0xffff80003c41e038 (413425) exclusive rrwlock inode r = 0 (0xfffffd807676f240) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 50000 (syz-executor) thread 0xffff8000ffff2fa8 (202754) exclusive rrwlock inode r = 0 (0xfffffd806e83eed8) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d23b0d8) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11063 12086K 14081K 166960K 13564 0 pcb 17 16K 18K 166960K 363 0 rtable 197 10K 12K 166960K 762 0 pf 36 18K 21K 166960K 218 0 ifaddr 34 6K 8K 166960K 150 0 ifgroup 51 2K 2K 166960K 257 0 sysctl 4 1K 9K 166960K 19 0 counters 68 36K 38K 166960K 298 0 ioctlops 0 0K 4K 166960K 1740 0 iov 0 0K 24K 166960K 58 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1525 96K 96K 166960K 2453 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 13K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 44 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 236K 166960K 1177 0 sigio 0 0K 0K 166960K 19 0 proc 72 115K 164K 166960K 825 0 subproc 72 4K 4K 166960K 135 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 273 0 in_multi 67 5K 7K 166960K 210 0 ether_multi 1 0K 0K 166960K 13 0 mrt 0 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 630 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 236 153K 166K 166960K 12021 0 UVM aobj 19 12K 14K 166960K 24 0 pinsyscall 43 86K 103K 166960K 2487 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 78 0 NDP 11 0K 2K 166960K 112 0 temp 77 8684K 8755K 166960K 55359 0 kqueue 13 20K 28K 166960K 209 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 142 0 138 2 0 2 2 0 8 1 rtentry 176 213 0 142 6 0 6 6 0 8 0 unpcb 144 881 0 862 8 6 2 6 0 8 1 syncache 336 7 0 7 3 2 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 296 0 291 7 5 2 4 0 8 1 arp 136 38 0 25 1 0 1 1 0 8 0 inpcb 328 1307 0 1298 16 7 9 12 0 8 8 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 152 45 0 28 1 0 1 1 0 8 0 pkpcb 40 5 0 5 3 2 1 1 0 8 1 kcovpl 48 15 0 7 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1192 89 0 89 2 1 1 1 0 8 1 pppxif 1504 7 0 7 3 2 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 8 0 2 1 0 1 1 0 482 0 pffrnode 88 8 0 2 1 0 1 1 0 8 0 pffrent 40 14 0 8 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 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfstlim 224 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 320 3 0 3 2 2 0 1 0 8 0 pfstkey 128 4 0 4 2 2 0 1 0 8 0 pfstate 448 2 0 2 2 2 0 1 0 8 0 pfrule 1360 7 0 6 2 1 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 876 0 568 29 3 26 29 0 8 1 art_table 40 880 0 568 5 0 5 5 0 8 0 art_node 32 212 0 150 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 5 1 0 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 40 0 30 1 0 1 1 0 8 0 shmpl 112 14 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 3535 0 2017 96 0 96 96 0 8 0 ffsino 296 3535 0 2017 119 1 118 118 0 8 1 nchpl 144 5062 0 3343 64 0 64 64 0 8 0 rtmask 32 9 0 9 3 3 0 1 0 8 0 vnodes 216 4214 0 0 235 0 235 235 0 8 0 namei 1024 17442 0 17442 4 3 1 2 0 8 1 percpumem 16 164 0 115 1 0 1 1 0 8 0 vcpupl 3968 5 0 1 1 0 1 1 0 8 0 vmpool 848 6 0 2 1 0 1 1 0 8 0 kstatmem 264 162 0 136 4 1 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 29356 0 29354 10 8 2 8 1 8 1 plimitpl 152 234 0 215 1 0 1 1 0 8 0 sigapl 424 1484 0 1416 9 1 8 8 0 8 0 knotepl 120 556 0 0 17 0 17 17 0 8 0 kqueuepl 224 461 0 451 7 5 2 5 0 8 1 pipepl 344 273 0 244 10 6 4 6 0 8 1 fdescpl 528 1447 0 1415 3 0 3 3 0 8 0 filepl 160 9294 0 9064 33 15 18 20 0 8 7 lockfpl 104 414 0 412 2 1 1 2 0 8 0 lockfspl 48 128 0 126 1 0 1 1 0 8 0 sessionpl 144 34 0 25 1 0 1 1 0 8 0 pgrppl 48 79 0 62 1 0 1 1 0 8 0 ucredpl 104 1319 0 1305 1 0 1 1 0 8 0 zombiepl 144 1417 0 1416 2 1 1 1 0 8 0 processpl 1232 1484 0 1416 7 1 6 6 0 8 0 procpl 664 3175 0 3102 8 0 8 8 0 8 0 sosppl 176 7 0 7 2 2 0 1 0 8 0 sockpl 752 2362 0 2330 30 19 11 17 0 8 7 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 127 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 423 0 0 26 0 26 26 0 8 0 bufpl 280 11367 0 5231 439 0 439 439 0 8 0 anonpl 32 10252 0 0 83 0 83 83 0 246 0 amapchunkpl 152 39059 0 38590 33 7 26 30 0 158 6 amappl16 200 4557 0 4301 35 20 15 23 0 8 1 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 34 0 34 1 1 0 1 0 8 0 amappl13 176 502 0 499 1 0 1 1 0 8 0 amappl12 168 1859 0 1816 3 0 3 3 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 75 0 61 1 0 1 1 0 8 0 amappl9 144 265 0 265 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 128 0 126 1 0 1 1 0 8 0 amappl6 120 363 0 348 1 0 1 1 0 8 0 amappl5 112 81 0 70 1 0 1 1 0 8 0 amappl4 104 483 0 451 1 0 1 1 0 8 0 amappl3 96 7147 0 7055 3 0 3 3 0 8 0 amappl2 88 1562 0 1487 2 0 2 2 0 8 0 amappl1 80 14943 0 14344 17 2 15 15 0 8 0 amappl 88 10993 0 10835 5 0 5 5 0 92 0 uvmvnodes 80 136 0 0 3 0 3 3 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma2048 2048 2 0 2 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 256 0 256 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 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 23 0 5 1 0 1 1 0 8 0 uaddrrnd 24 1447 0 1415 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1447 0 1415 1 0 1 1 0 8 0 vmmpekpl 168 13517 0 13466 3 0 3 3 0 8 0 vmmpepl 168 98661 0 96520 110 13 97 105 0 357 0 vmsppl 488 1446 0 1415 6 1 5 5 0 8 0 rwobjpl 80 28460 0 27153 32 2 30 31 0 8 0 pdppl 4096 2913 0 2838 119 42 77 85 0 8 2 pvpl 32 21266 0 0 173 1 172 172 0 265 0 pmappl 256 1452 0 1417 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 327 0 64 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83376834) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(84,3f,1) at malloc+0xdb6 sys/kern/kern_malloc.c:357 sys_execve(ffff80003c43e2c8,ffff800034fccc90,ffff800034fccbe0) at sys_execve+0xf8 sys/kern/kern_exec.c:297 syscall(ffff800034fccc90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800034fccc90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759cd1744920, count: -6 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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 __mp_lock(ffffffff83951840) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83951840) at __mp_lock+0x192 sys/kern/kern_lock.c:173 uvm_fault(fffffd807874ad70,d34fcf95000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff800037be4ed0,d34fcf95000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800037be4ed0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76cab1ca6150, count: 7 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 __mp_lock(ffffffff83951840) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83951840) at __mp_lock+0x192 sys/kern/kern_lock.c:173 uvm_fault(fffffd807874ad70,d34fcf95000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff800037be4ed0,d34fcf95000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800037be4ed0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x76cab1ca6150, count: -8