kernel: protection fault trap, code=0 Stopped at sys_semop+0x352: movzwl 0x8(%rbx),%r15d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace sys_semop(ffff80003c4bba30,ffff80003c439700,ffff80003c439650) at sys_semop+0x352 sys/kern/sysv_sem.c:622 syscall(ffff80003c439700) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c439700) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x217a9c551c0, count: -3 ddb{0}> show registers rdi 0 rsi 0xb rbp 0xffff80003c439620 rbx 0xdeadbeefdeadbeef rdx 0 rcx 0xffff80003c4bba30 rax 0xffffffff83821ff0 cpu_info_full_primary+0x1ff0 r8 0x7f7fffffc000 r9 0xfffffd80097fb6e8 r10 0x16f5e50e7b8ce679 r11 0xaaaa47b5595ba2c0 r12 0xb r13 0xfffffd805f4bcb60 r14 0xffff80003c439700 r15 0xb rip 0xffffffff81183572 sys_semop+0x352 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c439530 ss 0x10 sys_semop+0x352: movzwl 0x8(%rbx),%r15d ddb{0}> show proc PROC (syz-executor) tid=96456 pid=24455 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4bbcc8,0xffff80003c4082c8 process=0xffff80003c4bd838 user=0xffff80003c434000, vmspace=0xfffffd806b423d70 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 31493 30843 42295 0 2 0 syz-executor 31493 219417 42295 0 3 0x4000080 fsleep syz-executor 24455 141140 35151 0 2 0 syz-executor *24455 96456 35151 0 7 0x4000000 syz-executor 24455 157499 35151 0 3 0x4000080 fsleep syz-executor 78493 23243 17447 0 2 0 syz-executor 78493 31399 17447 0 3 0x4000080 fsleep syz-executor 87308 277742 56686 0 2 0 syz-executor 87308 357161 56686 0 3 0x4000080 msgwait syz-executor 29234 12489 99157 0 2 0 syz-executor 29234 429008 99157 0 3 0x4000080 kqsel syz-executor 23856 271364 0 0 3 0x14200 bored sosplice 98563 243960 0 0 3 0x14280 nfsidl nfsio 1406 399022 0 0 3 0x14280 nfsidl nfsio 59149 317071 0 0 3 0x14280 nfsidl nfsio 4342 189527 0 0 3 0x14280 nfsidl nfsio 92371 454064 0 0 3 0x14280 nfsidl nfsio 11802 166163 0 0 3 0x14280 nfsidl nfsio 19264 484376 0 0 3 0x14280 nfsidl nfsio 76902 420150 0 0 3 0x14280 nfsidl nfsio 99675 331484 0 0 3 0x14280 nfsidl nfsio 23996 97343 0 0 3 0x14280 nfsidl nfsio 54687 83437 0 0 3 0x14280 nfsidl nfsio 16492 510056 0 0 3 0x14280 nfsidl nfsio 87557 453013 0 0 3 0x14280 nfsidl nfsio 97507 173872 0 0 3 0x14280 nfsidl nfsio 766 447631 0 0 3 0x14280 nfsidl nfsio 97827 81250 0 0 3 0x14280 nfsidl nfsio 9567 258924 0 0 3 0x14280 nfsidl nfsio 88035 88969 0 0 3 0x14280 nfsidl nfsio 18539 356605 0 0 3 0x14280 nfsidl nfsio 75102 418368 0 0 3 0x14280 nfsidl nfsio 25739 271252 25713 0 2 0x2 syz-executor 99157 491071 25713 0 3 0x82 nanoslp syz-executor 78281 242090 25713 0 2 0x2 syz-executor 35151 195416 25713 0 2 0xc82 syz-executor 42295 455206 25713 0 3 0x82 nanoslp syz-executor 56686 80923 25713 0 3 0x82 nanoslp syz-executor 17447 349808 25713 0 2 0xc82 syz-executor 29235 89692 25713 0 7 0x2 syz-executor 25713 14938 30546 0 3 0x82 kqread syz-executor 30546 93951 76359 0 3 0x10008a sigsusp ksh 76359 390012 91391 0 3 0x98 kqread sshd-session 91391 89383 2513 0 3 0x92 kqread sshd-session 26382 493701 1 0 3 0x100083 ttyin getty 2513 393357 1 0 3 0x88 kqread sshd 60562 243950 11762 74 3 0x1100092 bpf pflogd 11762 357184 1 0 3 0x80 sbwait pflogd 37412 342015 80944 73 3 0x1100090 kqread syslogd 80944 232413 1 0 3 0x100082 sbwait syslogd 88019 80014 1 0 3 0x100080 kqread resolvd 8617 291339 90438 77 3 0x100092 kqread dhcpleased 66905 522081 90438 77 3 0x100092 kqread dhcpleased 90438 296584 1 0 3 0x80 kqread dhcpleased 67261 164582 0 0 3 0x14200 bored smr 40254 257157 0 0 2 0x14200 zerothread 70323 263364 0 0 3 0x14200 aiodoned aiodoned 95561 375879 0 0 3 0x14200 syncer update 41027 491465 0 0 3 0x14200 cleaner cleaner 74667 496895 0 0 3 0x14200 reaper reaper 78007 93718 0 0 3 0x14200 pgdaemon pagedaemon 57213 459360 0 0 3 0x14200 bored viomb 22876 290769 0 0 3 0x40014200 acpi0 acpi0 98144 414364 0 0 3 0x40014200 idle1 85684 128536 0 0 3 0x14200 bored softnet1 88336 333077 0 0 3 0x14200 bored softnet0 38759 399288 0 0 3 0x14200 smrbar systqmp 37464 514522 0 0 3 0x14200 bored systq 69129 345803 0 0 3 0x14200 tmoslp softclockmp 65084 199552 0 0 3 0x40014200 tmoslp softclock 4538 453414 0 0 3 0x40014200 idle0 1 141686 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 24455 (syz-executor) thread 0xffff80003c4bba30 (96456) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8390bf70) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 malloc+0xe3 sys/kern/kern_malloc.c:174 #3 sys_semop+0x22f sys/kern/sysv_sem.c:-1 #4 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #5 Xsyscall+0x128 Process 25739 (syz-executor) thread 0xffff8000fffee018 (271252) exclusive rrwlock inode r = 0 (0xfffffd806c1cab40) #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+0xa3 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c1ca450) #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+0xa3 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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 78281 (syz-executor) thread 0xffff8000fffee548 (242090) exclusive rrwlock inode r = 0 (0xfffffd806e204ef0) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:693 #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:746 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c1caeb8) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #13 Xsyscall+0x128 Process 29235 (syz-executor) thread 0xffff80002a272a70 (89692) exclusive rwlock vmmaplk r = 0 (0xfffffd806e3bcc80) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3729 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 Process 38759 (systqmp) thread 0xffff8000ffffea60 (399288) shared rwlock systqmp r = 0 (0xffffffff83804528) #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 10204 11025K 11319K 166960K 11621 0 pcb 17 12K 12K 166960K 44 0 rtable 196 6K 7K 166960K 307 0 pf 40 18K 20K 166960K 69 0 ifaddr 42 7K 8K 166960K 55 0 ifgroup 57 2K 2K 166960K 75 0 sysctl 1 1K 9K 166960K 29 0 counters 72 37K 37K 166960K 84 0 ioctlops 0 0K 4K 166960K 1518 0 iov 0 0K 14K 166960K 80 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1349 85K 85K 166960K 1562 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 9 0K 0K 166960K 79 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 240K 166960K 369 0 sigio 0 0K 0K 166960K 1 0 proc 72 115K 163K 166960K 549 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 0 0K 0K 166960K 44 0 in_multi 84 6K 7K 166960K 111 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 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 404 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 224 167K 177K 166960K 4989 0 UVM aobj 9 2K 2K 166960K 11 0 pinsyscall 41 82K 102K 166960K 1464 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 15 0 NDP 14 0K 2K 166960K 35 0 temp 41 8643K 8766K 166960K 15168 0 kqueue 13 20K 26K 166960K 64 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 53 0 50 1 0 1 1 0 8 0 rtentry 176 103 0 18 5 0 5 5 0 8 0 unpcb 144 145 0 126 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 70 0 66 1 0 1 1 0 8 0 arp 136 11 0 1 1 0 1 1 0 8 0 inpcb 328 233 0 224 3 1 2 2 0 8 1 nd6 144 19 0 5 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 6 0 3 1 0 1 1 0 8 0 pfstscr 40 1 0 1 1 0 1 1 0 8 1 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 3 0 2 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 pfstitem 24 30 0 2 1 0 1 1 0 8 0 pfstkey 128 32 0 4 1 0 1 1 0 8 0 pfstate 384 31 0 3 3 0 3 3 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 446 0 60 28 0 28 28 0 8 1 art_table 40 447 0 60 5 0 5 5 0 8 0 art_node 32 101 0 25 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 74 0 68 1 0 1 1 0 8 0 shmpl 112 8 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2024 0 515 95 0 95 95 0 8 0 ffsino 296 2024 0 515 117 0 117 117 0 8 0 nchpl 144 2503 0 815 63 0 63 63 0 8 0 uvmvnodes 80 2192 0 0 45 0 45 45 0 8 0 vnodes 216 2192 0 0 122 0 122 122 0 8 0 namei 1024 7796 0 7795 2 1 1 2 0 8 0 percpumem 16 57 0 6 1 0 1 1 0 8 0 kstatmem 264 40 0 10 2 0 2 2 0 8 0 scxspl 216 8342 0 8342 3 2 1 2 1 8 1 plimitpl 152 95 0 78 1 0 1 1 0 8 0 sigapl 424 682 0 615 8 0 8 8 0 8 0 knotepl 120 316 0 0 10 0 10 10 0 8 0 kqueuepl 224 100 0 90 2 0 2 2 0 8 1 pipepl 344 127 0 100 3 0 3 3 0 8 0 fdescpl 528 645 0 615 3 0 3 3 0 8 0 filepl 160 2824 0 2605 12 0 12 12 0 8 2 lockfpl 104 111 0 109 1 0 1 1 0 8 0 lockfspl 48 51 0 49 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 482 0 469 1 0 1 1 0 8 0 zombiepl 144 796 0 796 1 0 1 1 0 8 1 processpl 1232 682 0 615 6 0 6 6 0 8 0 procpl 664 1124 0 1051 9 1 8 8 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 752 438 0 407 5 0 5 5 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 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 119 0 0 15 0 15 15 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 158 0 0 10 0 10 10 0 8 0 bufpl 280 3342 0 123 230 0 230 230 0 8 0 anonpl 32 8749 0 0 71 0 71 71 0 246 0 amapchunkpl 152 15150 0 14663 29 4 25 25 0 158 1 amappl16 200 2163 0 2134 20 9 11 16 0 8 8 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 114 0 102 1 0 1 1 0 8 0 amappl13 176 47 0 47 1 1 0 1 0 8 0 amappl12 168 1296 0 1267 3 1 2 2 0 8 0 amappl11 160 60 0 45 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 30 0 27 1 0 1 1 0 8 0 amappl7 128 120 0 108 1 0 1 1 0 8 0 amappl6 120 186 0 183 1 0 1 1 0 8 0 amappl5 112 120 0 111 1 0 1 1 0 8 0 amappl4 104 299 0 278 1 0 1 1 0 8 0 amappl3 96 2624 0 2539 3 0 3 3 0 8 0 amappl2 88 890 0 812 2 0 2 2 0 8 0 amappl1 80 9345 0 8738 15 2 13 15 0 8 0 amappl 88 4264 0 4113 5 0 5 5 0 92 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 10 0 2 1 0 1 1 0 8 0 uaddrrnd 24 645 0 615 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 645 0 615 1 0 1 1 0 8 0 vmmpekpl 168 6900 0 6860 3 0 3 3 0 8 0 vmmpepl 168 47134 0 45246 102 0 102 102 0 357 9 vmsppl 488 644 0 615 5 1 4 5 0 8 0 rwobjpl 80 17417 0 14289 67 1 66 66 0 8 1 pdppl 4096 1298 0 1230 106 34 72 86 0 8 4 pvpl 32 16816 0 0 136 0 136 136 0 265 0 pmappl 256 644 0 615 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 275 0 38 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace sys_semop(ffff80003c4bba30,ffff80003c439700,ffff80003c439650) at sys_semop+0x352 sys/kern/sysv_sem.c:622 syscall(ffff80003c439700) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c439700) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x217a9c551c0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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(ffffffff8390bd68) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8390bd68) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff8390bd68,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff839b7090,1) at pool_get+0x27e sys/kern/subr_pool.c:591 uaddr_stack_brk_create(1000,7f7fffffc000) at uaddr_stack_brk_create+0x41 sys/uvm/uvm_addr.c:-1 uvm_map_setup(fffffd806b423b88,fffffd806b277c00,1000,7f7fffffc000,41) at uvm_map_setup+0x2b1 uvm_map_setup_md sys/uvm/uvm_map.c:5394 [inline] uvm_map_setup(fffffd806b423b88,fffffd806b277c00,1000,7f7fffffc000,41) at uvm_map_setup+0x2b1 sys/uvm/uvm_map.c:2429 uvmspace_fork(ffff8000ffff09b0) at uvmspace_fork+0xa0 uvmspace_init sys/uvm/uvm_map.c:3271 [inline] uvmspace_fork(ffff8000ffff09b0) at uvmspace_fork+0xa0 uvmspace_alloc sys/uvm/uvm_map.c:3247 [inline] uvmspace_fork(ffff8000ffff09b0) at uvmspace_fork+0xa0 sys/uvm/uvm_map.c:3729 process_new(ffff80003c4bb268,ffff8000ffff09b0,1) at process_new+0x577 sys/kern/kern_fork.c:281 fork1(ffff80002a272a70,1,ffffffff813edf10,0,ffff80002a2f85f0,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a2f86a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2f86a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cdb3a9fd710, count: -13