witness: lock_object uninitialized: 0xffff800000e59028 Starting stack trace... witness_checkorder(ffff800000e59028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000e59028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000e59018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e59000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000e59000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff8000211f31f0) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800027b83a40,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800027b83a40,ffff800027baef00,ffff800027baef60) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027baefd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027baefd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffafc0, count: 249 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:440 witness_checkorder(ffff800000e59028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000e59028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000e59018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e59000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000e59000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff8000211f31f0) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800027b83a40,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800027b83a40,ffff800027baef00,ffff800027baef60) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027baefd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027baefd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffafc0, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800027baeca0 rbx 0x3 rdx 0 rcx 0 rax 0xffff800027b83a40 r8 0xffff800027baec40 r9 0x8080808080808080 r10 0x9c49ef9d3e40cfde r11 0x2efad076c3c48552 r12 0xffff800000e59001 r13 0xffff800000e59028 r14 0 r15 0 rip 0xffffffff8167b298 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800027baec90 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=7686 stat=onproc flags process=1018 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800027bb62a8,0xffff800027bb7278 process=0xffff8000211f31f0 user=0xffff800027baa000, vmspace=0xfffffd805ccb68b8 estcpu=36, cpticks=12, pctcpu=0.4 user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62506 91073 78502 0 3 0x80 nanoslp syz-executor.0 62506 483021 78502 0 3 0x4000080 fsleep syz-executor.0 59605 255212 86880 0 3 0x2 biowait syz-executor.2 46703 425321 86880 0 3 0x82 nanoslp syz-executor.1 61786 340529 86880 0 3 0x82 nanoslp syz-executor.3 46533 352818 1 0 3 0x100083 ttyin getty 2555 239656 0 0 3 0x14280 nfsidl nfsio 78036 74656 0 0 3 0x14280 nfsidl nfsio 77738 208241 0 0 3 0x14280 nfsidl nfsio 53650 123961 0 0 3 0x14280 nfsidl nfsio 11455 91240 0 0 3 0x14280 nfsidl nfsio 36856 399111 0 0 3 0x14280 nfsidl nfsio 70581 72983 0 0 3 0x14280 nfsidl nfsio 2564 436182 0 0 3 0x14280 nfsidl nfsio 59061 143923 0 0 3 0x14280 nfsidl nfsio 28194 74858 0 0 3 0x14280 nfsidl nfsio 62356 427708 0 0 3 0x14280 nfsidl nfsio 25090 235334 0 0 3 0x14280 nfsidl nfsio 36103 489754 0 0 3 0x14280 nfsidl nfsio 29805 182428 0 0 3 0x14280 nfsidl nfsio 7802 12487 0 0 3 0x14280 nfsidl nfsio 97085 39365 0 0 3 0x14280 nfsidl nfsio 29630 495346 0 0 3 0x14280 nfsidl nfsio 78666 59683 0 0 3 0x14280 nfsidl nfsio 4986 490762 0 0 3 0x14280 nfsidl nfsio 94509 366445 0 0 3 0x14280 nfsidl nfsio 78502 517026 86880 0 3 0x82 nanoslp syz-executor.0 52579 266524 0 0 3 0x14200 bored sosplice 86880 19270 7780 0 3 0x82 thrsleep syz-fuzzer 86880 65862 7780 0 3 0x4000082 nanoslp syz-fuzzer 86880 16579 7780 0 3 0x4000082 thrsleep syz-fuzzer 86880 229298 7780 0 3 0x4000082 thrsleep syz-fuzzer 86880 439815 7780 0 3 0x4000082 kqread syz-fuzzer 86880 114243 7780 0 3 0x4000082 thrsleep syz-fuzzer 86880 102744 7780 0 3 0x4000082 thrsleep syz-fuzzer 86880 251831 7780 0 3 0x4000082 thrsleep syz-fuzzer 7780 517209 14084 0 3 0x10008a sigsusp ksh 14084 391669 51993 0 3 0x9a poll sshd 51993 240519 1 0 3 0x88 poll sshd 56464 162469 40400 74 3 0x100092 bpf pflogd 40400 452469 1 0 3 0x80 netio pflogd 40832 373553 80968 73 3 0x100090 kqread syslogd 80968 423945 1 0 3 0x100082 netio syslogd 44978 353695 1 0 3 0x100080 kqread resolvd 58919 238514 70832 77 3 0x100092 kqread dhcpleased 69207 471901 70832 77 3 0x100092 kqread dhcpleased 70832 443092 1 0 3 0x80 kqread dhcpleased 57410 518513 0 0 3 0x14200 bored smr 71842 453888 0 0 3 0x14200 pgzero zerothread 1930 339688 0 0 3 0x14200 aiodoned aiodoned 8050 352656 0 0 3 0x14200 syncer update 30548 510439 0 0 3 0x14200 cleaner cleaner 21543 91459 0 0 7 0x14200 reaper 52888 417594 0 0 3 0x14200 pgdaemon pagedaemon 24774 60996 0 0 3 0x14200 bored viomb 25754 75785 0 0 3 0x40014200 acpi0 acpi0 26713 474848 0 0 3 0x40014200 idle1 71529 444790 0 0 3 0x14200 bored softnet 60778 426163 0 0 3 0x14200 bored systqmp 50286 376919 0 0 3 0x14200 bored systq 74243 492792 0 0 3 0x40014200 bored softclock 87130 227009 0 0 3 0x40014200 idle0 1 323579 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 59605 (syz-executor.2) thread 0xffff800027bb62a8 (255212) exclusive rrwlock inode r = 0 (0xfffffd8076022c48) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3100 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805cd3dd58) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3085 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 6516K 7258K 78643K 37740 0 pcb 13 24K 28K 78643K 10448 0 rtable 159 19K 22K 78643K 5179 0 ifaddr 77 24K 28K 78643K 2220 0 sysctl 3 1K 1K 78643K 3 0 counters 50 34K 35K 78643K 836 0 ioctlops 0 0K 4K 78643K 8793 0 iov 0 0K 25K 78643K 2262 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1433 90K 90K 78643K 11562 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 204 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 2976 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 7 21K 49K 78643K 24437 0 sigio 0 0K 0K 78643K 138 0 proc 76 111K 124K 78643K 3503 0 subproc 52 3K 3K 78643K 1086 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1611 0 in_multi 45 3K 4K 78643K 1896 0 ether_multi 1 0K 0K 78643K 265 0 mrt 1 0K 0K 78643K 538 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 253 1129K 1129K 78643K 253 0 exec 0 0K 2K 78643K 4569 0 pfkey data 0 0K 1K 78643K 8 0 tdb 3 0K 0K 78643K 3 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 611 1701K 1701K 78643K 312365 0 UVM aobj 131 8K 8K 78643K 135 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1123 0 NDP 10 0K 1K 78643K 597 0 temp 120 4228K 8324K 78643K 237114 0 kqueue 16 21K 27K 78643K 874 0 SYN cache 2 8K 16K 78643K 3 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 1177 0 1174 14 13 1 3 0 8 0 rtentry 112 1400 0 1349 2 0 2 2 0 8 0 unpcb 136 11688 0 11673 121 120 1 6 0 8 0 syncache 296 58 0 58 13 13 0 1 0 8 0 tcpqe 32 199 0 199 10 10 0 2 0 8 0 tcpcb 736 24863 0 24856 399 390 9 29 0 8 8 arp 120 175 0 167 1 0 1 1 0 8 0 inpcb 304 44198 0 44189 288 279 9 21 0 8 8 rttmr 72 210 0 210 9 9 0 1 0 8 0 ip6q 72 4 0 4 2 2 0 1 0 8 0 ip6af 40 12 0 12 2 2 0 1 0 8 0 nd6 48 293 0 281 1 0 1 1 0 8 0 pkpcb 40 228 0 228 9 8 1 1 0 8 1 kcovpl 48 83 0 79 1 0 1 1 0 8 0 ppxss 1248 153 0 153 27 27 0 1 0 8 0 pfstscr 40 56 0 56 6 6 0 1 0 8 0 pffrag 232 190 0 190 8 8 0 1 0 482 0 pffrnode 88 190 0 190 8 8 0 1 0 8 0 pffrent 40 2150 0 2150 9 9 0 1 0 8 0 pfosfp 40 1431 0 1007 5 0 5 5 0 8 0 pfosfpen 112 1431 0 716 21 0 21 21 0 8 0 pfrktable 1344 282 0 269 7 5 2 2 0 8 0 pftag 88 27 0 27 5 5 0 1 0 8 0 pfstitem 24 18 0 16 1 0 1 1 0 8 0 pfstkey 112 125 0 123 1 0 1 1 0 8 0 pfstate 320 69 0 67 1 0 1 1 0 8 0 pfsrctr 152 7 0 7 4 4 0 1 0 8 0 pfrule 1360 708 0 646 6 0 6 6 0 8 0 art_heap8 4096 6 0 5 4 3 1 3 0 8 0 art_heap4 256 10647 0 10433 54 40 14 20 0 8 0 art_table 32 10653 0 10438 4 1 3 3 0 8 0 art_node 16 1352 0 1310 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 0 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 2971 0 2961 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 31758 0 30273 94 0 94 94 0 8 0 ffsino 272 31758 0 30273 100 0 100 100 0 8 0 nchpl 144 63263 0 61665 61 0 61 61 0 8 0 uvmvnodes 80 24509 0 0 501 0 501 501 0 8 0 vnodes 224 24509 0 0 1442 0 1442 1442 0 8 0 namei 1024 222336 0 222335 8 7 1 2 0 8 0 percpumem 16 430 0 393 1 0 1 1 0 8 0 vcpupl 2048 239 0 0 30 0 30 30 0 8 0 vmpool 560 352 0 113 18 0 18 18 0 8 0 pfiaddrpl 120 97 0 73 5 4 1 1 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 191651 0 191650 46 45 1 8 0 8 0 plimitpl 152 2593 0 2582 1 0 1 1 0 8 0 sigapl 424 24512 0 24456 10 3 7 7 0 8 0 futexpl 64 217441 0 217440 7 6 1 1 0 8 0 knotepl 112 384 0 0 6 0 6 6 0 8 1 kqueuepl 216 3943 0 3925 91 89 2 5 0 8 0 pipepl 336 4862 0 4846 139 137 2 8 0 8 0 fdescpl 496 24428 0 24408 5 2 3 4 0 8 0 filepl 152 167581 0 167429 241 227 14 19 0 8 8 lockfpl 104 6096 0 6094 13 12 1 2 0 8 0 lockfspl 48 1543 0 1541 1 0 1 1 0 8 0 sessionpl 144 103 0 90 1 0 1 1 0 8 0 pgrppl 48 191 0 178 1 0 1 1 0 8 0 ucredpl 96 20610 0 20596 1 0 1 1 0 8 0 zombiepl 144 32014 0 32012 4 3 1 1 0 8 0 processpl 1064 24512 0 24455 7 3 4 5 0 8 0 procpl 672 71393 0 71324 32 25 7 8 0 8 0 srpgc 96 91 0 91 14 14 0 1 0 8 0 sosppl 168 180 0 180 33 33 0 1 0 8 0 sockpl 480 57409 0 57381 783 771 12 36 0 8 8 mcl64k 65536 49 0 0 4 1 3 3 0 8 0 mcl16k 16384 25 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 41 0 0 3 1 2 2 0 8 0 mcl8k 8192 41 0 0 3 0 3 3 0 8 0 mcl4k 4096 49 0 0 4 1 3 3 0 8 0 mcl2k2 2112 11 0 0 1 0 1 1 0 8 0 mcl2k 2048 474 0 0 30 12 18 30 0 8 0 mtagpl 96 1052 0 0 10 0 10 10 0 8 0 mbufpl 256 2023 0 0 78 1 77 78 0 8 0 bufpl 288 45165 0 38820 454 0 454 454 0 8 0 anonpl 24 7074700 0 7050452 426 266 160 226 0 186 0 amapchunkpl 152 783734 0 782859 151 113 38 64 0 158 0 amappl16 200 64214 0 63232 229 174 55 65 0 8 0 amappl15 192 1494 0 1494 6 5 1 1 0 8 1 amappl14 184 3085 0 3080 1 0 1 1 0 8 0 amappl13 176 2238 0 2233 1 0 1 1 0 8 0 amappl12 168 1271 0 1269 1 0 1 1 0 8 0 amappl11 160 7038 0 7023 1 0 1 1 0 8 0 amappl10 152 2737 0 2728 1 0 1 1 0 8 0 amappl9 144 2495 0 2492 1 0 1 1 0 8 0 amappl8 136 7164 0 7053 4 0 4 4 0 8 0 amappl7 128 5560 0 5548 1 0 1 1 0 8 0 amappl6 120 2662 0 2639 1 0 1 1 0 8 0 amappl5 112 20334 0 20312 1 0 1 1 0 8 0 amappl4 104 14698 0 14664 2 0 2 2 0 8 0 amappl3 96 3987 0 3966 1 0 1 1 0 8 0 amappl2 88 3847 0 3789 5 3 2 2 0 8 0 amappl1 80 454908 0 454412 19 7 12 13 0 8 0 amappl 88 310183 0 309863 14 6 8 8 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 72 134 0 4 3 0 3 3 0 8 0 uaddrrnd 24 24780 0 24520 3 1 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 24780 0 24520 3 1 2 2 0 8 0 vmmpekpl 168 160877 0 160804 4 0 4 4 0 8 0 vmmpepl 168 2250722 0 2247694 575 416 159 163 0 357 14 vmsppl 368 24779 0 24519 25 1 24 24 0 8 0 rwobjpl 56 568310 0 541640 398 22 376 376 0 8 0 pdppl 4096 49568 0 49277 413 120 293 294 0 8 2 pvpl 32 11606109 0 11585016 647 450 197 311 0 265 7 pmappl 248 24779 0 24519 17 0 17 17 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 1854 0 715 33 0 33 33 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8279bff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff8292d388) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8292d388) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff800021185940,ffff800000077500) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff8292d388) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8292d388) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff800021185a90,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f Xspllower() at Xspllower+0x19 pool_put(ffffffff8295cfd0,fffffd806c6ab010) at pool_put+0x22c sys/kern/subr_pool.c:814 amap_free(fffffd806ed8ded0) at amap_free+0x132 sys/uvm/uvm_amap.c:465 amap_wipeout(fffffd806ed8ded0) at amap_wipeout+0x221 sys/uvm/uvm_amap.c:532 uvm_unmap_detach(ffff800021185d10,1) at uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1599 uvm_map_teardown(fffffd805ccb6d08) at uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2789 uvmspace_free(fffffd805ccb6d08) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff800021149a40) at reaper+0x18b sys/kern/kern_exit.c:462 end trace frame: 0x0, count: -17 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:440 witness_checkorder(ffff800000e59028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000e59028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000e59018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000e59000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:90 [inline] unveil_delete_names(ffff800000e59000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:100 unveil_destroy(ffff8000211f31f0) at unveil_destroy+0xad sys/kern/kern_unveil.c:191 exit1(ffff800027b83a40,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff800027b83a40,ffff800027baef00,ffff800027baef60) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027baefd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027baefd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffafc0, count: -9