uvm_fault(0xffffffff83ace268, 0xffff800001660000, 0, 2) -> e kernel: page fault trap, code=2 Stopped at sysctl_sysvipc+0x539: repe movsq (%rsi),%es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND 265632 91451 32767 0x10 0 0 syz-executor *360968 91451 32767 0x10 0x4000000 1K syz-executor sysctl_sysvipc(ffff80002bf74dc8,1,200000000100,ffff80002bf74df8) at sysctl_sysvipc+0x539 sys/kern/kern_sysctl.c:2779 kern_sysctl(ffff80002bf74dc4,2,200000000100,ffff80002bf74df8,0,37,98c10a34fd75f34c) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:736 sys_sysctl(ffff80003c3b8fb0,ffff80002bf74f30,ffff80002bf74e80) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 syscall(ffff80002bf74f30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002bf74f30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x81cdc51f690, count: 10 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xffffffff83ace268, 0xffff800001660000, 0, 2) -> e ddb{1}> show kasan No such command ddb{1}> trace sysctl_sysvipc(ffff80002bf74dc8,1,200000000100,ffff80002bf74df8) at sysctl_sysvipc+0x539 sys/kern/kern_sysctl.c:2779 kern_sysctl(ffff80002bf74dc4,2,200000000100,ffff80002bf74df8,0,37,98c10a34fd75f34c) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:736 sys_sysctl(ffff80003c3b8fb0,ffff80002bf74f30,ffff80002bf74e80) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 syscall(ffff80002bf74f30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002bf74f30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x81cdc51f690, count: -5 ddb{1}> show registers rdi 0xffff800001660000 rsi 0xffffee006249a418 rbp 0xffff80002bf74bb0 rbx 0x7 rdx 0xffff80002f380000 rcx 0x7 rax 0xffffffff81dc6925 sysctl_sysvipc+0x525 r8 0xffff80002bf74df8 r9 0 r10 0x49261367146dbc84 r11 0x79a076f0484125fd r12 0xfffffffffffff7d3 r13 0xffffee006249a3f0 r14 0x14 r15 0xffff80000165ffd8 rip 0xffffffff81dc6939 sysctl_sysvipc+0x539 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002bf74b20 ss 0x10 sysctl_sysvipc+0x539: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=360968 pid=91451 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=75, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3b8a80,0xffff800045feefb8 process=0xffff800045ff1820 user=0xffff80002bf6f000, vmspace=0xffffee000f9019b0 estcpu=25, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 76185 57636 31254 32767 2 0x10 0 syz-executor 76185 494851 31254 32767 3 0x10 0x4000080 kqread syz-executor 83122 441014 82462 27 3 0x1100012 0x80 kqread sshd-auth 94138 104440 95648 32767 2 0x10 0 syz-executor 94138 518928 95648 32767 3 0x10 0x4000000 biowait syz-executor 82462 318355 56317 0 3 0x2 0x80 kqread sshd-session 43465 486406 84366 32767 3 0x10 0x80 nanoslp syz-executor 43465 422704 84366 32767 3 0x10 0x4000080 fsleep syz-executor 43465 134487 84366 32767 3 0x10 0x4000080 fsleep syz-executor 5068 299008 93306 32767 2 0x10 0 syz-executor 5068 194276 93306 32767 3 0x10 0x4000080 fsleep syz-executor 1442 246982 7283 32767 2 0x10 0 syz-executor 1442 428555 7283 32767 3 0x10 0x4000080 fsleep syz-executor 91451 265632 90170 32767 7 0x10 0 syz-executor *91451 360968 90170 32767 7 0x10 0x4000000 syz-executor 32785 451219 37519 0 2 0x2 0 syz-executor 58675 415208 9347 32767 3 0x10 0 biowait syz-executor 95648 109218 58483 32767 3 0x10 0x80 nanoslp syz-executor 7283 441787 25455 32767 3 0x10 0x80 nanoslp syz-executor 84366 218956 87895 32767 3 0x10 0x80 nanoslp syz-executor 90170 19857 87346 32767 3 0x10 0x80 nanoslp syz-executor 31254 188108 1198 32767 3 0x10 0x80 nanoslp syz-executor 93306 444350 74753 32767 3 0x10 0x80 nanoslp syz-executor 87895 232824 37519 0 3 0x2 0x80 wait syz-executor 9347 336316 37519 0 3 0x2 0x80 wait syz-executor 58483 285565 37519 0 3 0x2 0x80 wait syz-executor 74753 274465 37519 0 3 0x2 0x80 wait syz-executor 1198 92041 37519 0 3 0x2 0x80 wait syz-executor 25455 506486 37519 0 3 0x2 0x80 wait syz-executor 87346 349173 37519 0 3 0x2 0x80 wait syz-executor 37519 203582 14692 0 2 0x2 0 syz-executor 14692 244566 53363 0 3 0x100002 0x88 sigsusp ksh 53363 381429 86948 0 3 0x10 0x88 kqread sshd-session 86948 339179 56317 0 3 0x12 0x80 kqread sshd-session 1184 75907 1 0 3 0x100003 0x80 ttyin getty 56317 325262 1 0 3 0 0x88 kqread sshd 58233 227867 36670 73 3 0x1100010 0x80 kqread syslogd 36670 119628 1 0 3 0x100002 0x80 sbwait syslogd 57807 517363 1 0 3 0x100000 0x80 kqread resolvd 2549 354237 225 77 3 0x100012 0x80 kqread dhcpleased 68756 143865 225 77 3 0x100012 0x80 kqread dhcpleased 225 419564 1 0 3 0 0x80 kqread dhcpleased 46981 145447 0 0 3 0x14000 0x200 bored smr 72441 417102 0 0 2 0x14000 0x200 zerothread 38499 379151 0 0 3 0x14000 0x200 aiodoned aiodoned 73069 401801 0 0 3 0x14000 0x200 syncer update 95861 169382 0 0 3 0x14000 0x200 cleaner cleaner 19184 330902 0 0 3 0x14000 0x200 reaper reaper 59996 146771 0 0 3 0x14000 0x200 pgdaemon pagedaemon 75636 373452 0 0 3 0x14000 0x200 bored viomb 14337 477892 0 0 3 0x14000 0x40000200 acpi0 acpi0 87186 514735 0 0 3 0x14000 0x40000200 idle1 16599 414285 0 0 3 0x14000 0x200 bored softnet1 8940 123884 0 0 3 0x14000 0x200 bored softnet0 4470 230028 0 0 3 0x14000 0x200 bored systqmp 32927 17418 0 0 3 0x14000 0x200 bored systq 19057 353450 0 0 3 0x14000 0x200 tmoslp softclockmp 46939 286874 0 0 3 0x14000 0x40000200 tmoslp softclock 19107 301762 0 0 3 0x14000 0x40000200 idle0 1 86146 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 94138 (syz-executor) thread 0xffff80003c3d3a18 (518928) exclusive rrwlock inode r = 0 (0xffffee006cfdbb38) #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:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 dorenameat+0x144 sys/kern/vfs_syscalls.c:2954 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 91451 (syz-executor) thread 0xffff80003c3b8fb0 (360968) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839ee5c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 sysctl_sysvipc+0x4b5 sys/kern/kern_sysctl.c:-1 #2 kern_sysctl+0x139 sys/kern/kern_sysctl.c:736 #3 sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #5 Xsyscall+0x128 Process 58675 (syz-executor) thread 0xffff80003c3b9778 (415208) exclusive rrwlock inode r = 0 (0xffffee006cfdb0d0) #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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:150 #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:3063 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffffee0077bc79f8) #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:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3048 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11049 12016K 12034K 166960K 12143 0 pcb 17 12K 12K 166960K 17 0 rtable 217 6K 7K 166960K 377 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 4 1K 9K 166960K 10 0 counters 68 36K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 37 0 iov 0 0K 12K 166960K 63 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1288 81K 81K 166960K 1531 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 65 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 23 85K 125K 166960K 575 0 sigio 0 0K 0K 166960K 11 0 proc 61 115K 147K 166960K 537 0 subproc 66 4K 4K 166960K 228 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 85 0 in_multi 88 5K 7K 166960K 119 0 ether_multi 1 0K 0K 166960K 5 0 mrt 2 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 416 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 262 193K 203K 166960K 6779 0 UVM aobj 95 3K 3K 166960K 95 0 pinsyscall 48 96K 110K 166960K 1755 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 10 0K 2K 166960K 27 0 temp 73 9127K 9164K 166960K 5056 0 kqueue 19 30K 30K 166960K 125 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 97 0 94 2 1 1 2 0 8 0 rtentry 176 116 0 16 6 0 6 6 0 8 0 unpcb 144 414 0 391 4 3 1 4 0 8 0 syncache 336 11 0 11 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 235 0 228 7 5 2 7 0 8 1 arp 136 19 0 2 1 0 1 1 0 8 0 ipq 40 4 0 1 1 0 1 1 0 8 0 ipqe 40 7 0 4 1 0 1 1 0 8 0 inpcb 328 555 0 539 7 5 2 7 0 8 0 ip6q 72 2 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 152 28 0 7 2 1 1 2 0 8 0 kcovpl 48 25 0 18 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 500 0 90 31 1 30 31 0 8 0 art_table 40 501 0 90 5 0 5 5 0 8 0 art_node 32 116 0 25 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 72 60 0 50 1 0 1 1 0 8 0 shmpl 112 92 0 0 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2086 0 592 94 0 94 94 0 8 0 ffsino 296 2086 0 592 115 0 115 115 0 8 0 nchpl 144 2810 0 1097 64 0 64 64 0 8 0 vnodes 216 2323 0 0 130 0 130 130 0 8 0 namei 1024 9330 0 9327 2 1 1 2 0 8 0 percpumem 16 51 0 1 1 0 1 1 0 8 0 kstatmem 264 25 0 2 2 0 2 2 0 8 0 scxspl 216 9799 0 9797 10 9 1 8 1 8 0 plimitpl 152 129 0 106 2 1 1 2 0 8 0 sigapl 424 854 0 801 8 1 7 7 0 8 0 knotepl 120 549 0 0 17 0 17 17 0 8 0 kqueuepl 224 190 0 176 5 4 1 5 0 8 0 pipepl 344 263 0 235 3 0 3 3 0 8 0 fdescpl 528 838 0 801 4 1 3 4 0 8 0 filepl 160 4485 0 4250 15 3 12 13 0 8 1 lockfpl 104 84 0 81 1 0 1 1 0 8 0 lockfspl 48 33 0 30 1 0 1 1 0 8 0 sessionpl 144 138 0 121 1 0 1 1 0 8 0 pgrppl 48 173 0 148 1 0 1 1 0 8 0 ucredpl 104 548 0 529 1 0 1 1 0 8 0 zombiepl 144 801 0 801 1 0 1 1 0 8 1 processpl 1232 854 0 801 5 0 5 5 0 8 0 procpl 664 1464 0 1404 7 1 6 7 0 8 0 sosppl 176 4 0 4 1 1 0 1 0 8 0 sockpl 752 1107 0 1064 11 6 5 11 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 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 mextrefs 64 26 0 0 1 0 1 1 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 326 0 0 21 0 21 21 0 8 0 bufpl 272 3001 0 102 194 0 194 194 0 8 0 anonpl 32 7480 0 0 61 0 61 61 0 247 0 amapchunkpl 152 21603 0 21073 38 8 30 38 0 158 8 amappl16 200 2748 0 2727 16 11 5 14 0 8 1 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 484 0 483 1 0 1 1 0 8 0 amappl13 176 141 0 128 1 0 1 1 0 8 0 amappl12 168 1083 0 1047 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 57 0 47 1 0 1 1 0 8 0 amappl9 144 270 0 270 1 1 0 1 0 8 0 amappl8 136 98 0 97 1 0 1 1 0 8 0 amappl7 128 153 0 140 1 0 1 1 0 8 0 amappl6 120 147 0 146 1 0 1 1 0 8 0 amappl5 112 120 0 110 1 0 1 1 0 8 0 amappl4 104 304 0 288 1 0 1 1 0 8 0 amappl3 96 4017 0 3890 5 1 4 4 0 8 0 amappl2 88 645 0 581 2 0 2 2 0 8 0 amappl1 80 15207 0 14466 18 2 16 17 0 8 0 amappl 88 5904 0 5720 5 0 5 5 0 92 0 uvmvnodes 80 112 0 0 3 0 3 3 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 94 0 0 2 0 2 2 0 8 0 uaddrrnd 24 838 0 801 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 838 0 801 1 0 1 1 0 8 0 vmmpekpl 168 10205 0 10158 3 0 3 3 0 8 0 vmmpepl 168 66513 0 64294 112 12 100 105 0 357 1 vmsppl 488 837 0 801 7 2 5 6 0 8 0 rwobjpl 80 22645 0 21410 26 0 26 26 0 8 0 pdppl 4096 1683 0 1602 121 38 83 97 0 8 2 pvpl 32 15340 0 0 126 2 124 125 0 265 0 pmappl 256 837 0 801 4 1 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 504 0 49 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83954ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff839eddc0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839eddc0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff800036b91b80,ffff8000002a2900) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x75756bbcdd70, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83954ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff839eddc0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839eddc0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff800036b91b80,ffff8000002a2900) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x75756bbcdd70, count: -7 ddb{0}> machine ddbcpu 1 Stopped at sysctl_sysvipc+0x539: repe movsq (%rsi),%es:(%rdi) sysctl_sysvipc(ffff80002bf74dc8,1,200000000100,ffff80002bf74df8) at sysctl_sysvipc+0x539 sys/kern/kern_sysctl.c:2779 kern_sysctl(ffff80002bf74dc4,2,200000000100,ffff80002bf74df8,0,37,98c10a34fd75f34c) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:736 sys_sysctl(ffff80003c3b8fb0,ffff80002bf74f30,ffff80002bf74e80) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 syscall(ffff80002bf74f30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002bf74f30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x81cdc51f690, count: 10 ddb{1}> trace sysctl_sysvipc(ffff80002bf74dc8,1,200000000100,ffff80002bf74df8) at sysctl_sysvipc+0x539 sys/kern/kern_sysctl.c:2779 kern_sysctl(ffff80002bf74dc4,2,200000000100,ffff80002bf74df8,0,37,98c10a34fd75f34c) at kern_sysctl+0x139 sys/kern/kern_sysctl.c:736 sys_sysctl(ffff80003c3b8fb0,ffff80002bf74f30,ffff80002bf74e80) at sys_sysctl+0x3e5 sys/kern/kern_sysctl.c:-1 syscall(ffff80002bf74f30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002bf74f30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x81cdc51f690, count: -5