witness: lock_object uninitialized: 0xffff8000014d8030 Starting stack trace... witness_checkorder(ffff8000014d8030,9,0) at witness_checkorder+0x1af witness_debugger sys/kern/subr_witness.c:2522 [inline] witness_checkorder(ffff8000014d8030,9,0) at witness_checkorder+0x1af sys/kern/subr_witness.c:779 rw_do_enter_write(ffff8000014d8018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014d8000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c4deb68) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff800035cb19e0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff800035cb19e0,ffff80003c516f00,ffff80003c516e50) at sys_exit+0x1a syscall(ffff80003c516f00) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c516f00) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x757c5f071340, count: 249 End of stack trace. Stopped at db_enter+0x25: 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+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff8000014d8030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff8000014d8018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014d8000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c4deb68) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff800035cb19e0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff800035cb19e0,ffff80003c516f00,ffff80003c516e50) at sys_exit+0x1a syscall(ffff80003c516f00) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c516f00) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x757c5f071340, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c516b90 rbx 0 rdx 0 rcx 0xffff800035cb19e0 rax 0xffff800029a9bff0 r8 0xffff80003c516b30 r9 0x8080808080808080 r10 0xa6abbb697bfa4e9b r11 0x696a38f06e62c850 r12 0 r13 0x1 r14 0xffff8000014d8030 r15 0x3 rip 0xffffffff81cd1b05 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c516b80 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=16444 pid=11468 tcnt=0 stat=onproc flags process=1018 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800035cb19e0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800035caea60,0xffff8000350a2560 process=0xffff80003c4deb68 user=0xffff80003c511000, vmspace=0xfffffd806bc6ead0 estcpu=36, cpticks=15, pctcpu=0.0, user=0, sys=10, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 31924 258990 3617 0 3 0 futex syz-executor 31924 119324 3617 0 2 0x4000000 syz-executor 84686 395316 87589 0 2 0 syz-executor 84686 514329 87589 0 3 0x4000080 fsleep syz-executor 95137 430281 53719 0 2 0x10 syz-executor 95137 186167 53719 0 3 0x4000090 sbwait syz-executor 95137 451267 53719 0 3 0x4000090 fsleep syz-executor 48342 93220 98631 0 2 0 syz-executor 48342 244358 98631 0 2 0x4000000 syz-executor 48342 194718 98631 0 2 0x4000000 syz-executor 51312 472577 49406 0 2 0 syz-executor 51312 173450 49406 0 3 0x4000080 kqread syz-executor 51312 2250 49406 0 3 0x4000080 fsleep syz-executor 51312 275837 49406 0 3 0x4000080 fsleep syz-executor 60577 375695 16143 0 2 0 syz-executor 60577 85704 16143 0 2 0x4000000 syz-executor 60577 158915 16143 0 3 0x4000080 fsleep syz-executor 56918 440046 65717 0 7 0 syz-executor 56918 480916 65717 0 3 0x4000080 fsleep syz-executor 56918 227946 65717 0 3 0x4000080 fsleep syz-executor 56918 1623 65717 0 2 0x4000000 syz-executor 75267 302130 17493 0 3 0x82 nanoslp syz-executor 53364 193568 1 0 3 0x100083 ttyopn getty 59137 515654 0 0 3 0x14200 acct acct 87589 451002 17493 0 3 0x82 nanoslp syz-executor 16143 165095 17493 0 3 0x82 nanoslp syz-executor 60663 517663 0 0 3 0x14280 nfsidl nfsio 19507 444588 0 0 3 0x14280 nfsidl nfsio 69845 460840 0 0 3 0x14280 nfsidl nfsio 17644 12927 0 0 3 0x14280 nfsidl nfsio 81920 486435 0 0 3 0x14280 nfsidl nfsio 14705 344054 0 0 3 0x14280 nfsidl nfsio 21776 77196 0 0 3 0x14280 nfsidl nfsio 85897 412562 0 0 3 0x14280 nfsidl nfsio 13189 260916 0 0 3 0x14280 nfsidl nfsio 22828 445811 0 0 3 0x14280 nfsidl nfsio 56166 52937 0 0 3 0x14280 nfsidl nfsio 34227 129910 0 0 3 0x14280 nfsidl nfsio 88869 469991 0 0 3 0x14280 nfsidl nfsio 731 127843 0 0 3 0x14280 nfsidl nfsio 24043 73453 0 0 3 0x14280 nfsidl nfsio 61108 434767 0 0 3 0x14280 nfsidl nfsio 71027 207423 0 0 3 0x14280 nfsidl nfsio 53230 289137 0 0 3 0x14280 nfsidl nfsio 94564 322605 0 0 3 0x14280 nfsidl nfsio 69062 236202 0 0 3 0x14280 nfsidl nfsio 73300 254185 45615 0 3 0x82 sbwait sshd-session 55400 73337 0 0 3 0x14200 bored sosplice 65717 243286 17493 0 3 0x82 nanoslp syz-executor 53719 507521 17493 0 3 0x82 nanoslp syz-executor 3617 336694 17493 0 3 0x82 nanoslp syz-executor 98631 477004 17493 0 3 0x82 nanoslp syz-executor 49406 112775 17493 0 3 0x82 nanoslp syz-executor 17493 25936 6397 0 3 0x82 kqread syz-executor 6397 15858 8312 0 3 0x10008a sigsusp ksh 8312 340528 74759 0 3 0x98 kqread sshd-session 74759 493647 45615 0 3 0x92 kqread sshd-session 45615 236281 1 0 3 0x88 kqread sshd 42918 390662 84968 74 3 0x1100092 bpf pflogd 84968 297527 1 0 3 0x80 sbwait pflogd 89419 341068 24237 73 3 0x1100090 kqread syslogd 24237 278613 1 0 3 0x100082 sbwait syslogd 27785 447702 1 0 3 0x100080 kqread resolvd 54516 323825 80619 77 3 0x100092 kqread dhcpleased 96717 389516 80619 77 3 0x100092 kqread dhcpleased 80619 362227 1 0 3 0x80 kqread dhcpleased 86923 268978 0 0 3 0x14200 bored smr 25281 83152 0 0 2 0x14200 zerothread 94823 52877 0 0 3 0x14200 aiodoned aiodoned 9303 412570 0 0 3 0x14200 syncer update 20914 360066 0 0 3 0x14200 cleaner cleaner 11944 153585 0 0 2 0x14200 reaper 47632 89275 0 0 3 0x14200 pgdaemon pagedaemon 45742 369478 0 0 3 0x14200 bored viomb 11348 266924 0 0 3 0x40014200 acpi0 acpi0 25778 382458 0 0 3 0x40014200 idle1 43795 47511 0 0 3 0x14200 bored softnet3 21666 216965 0 0 3 0x14200 bored softnet2 48206 38487 0 0 3 0x14200 bored softnet1 5289 77957 0 0 2 0x14200 softnet0 61708 321407 0 0 3 0x14200 bored systqmp 99950 432033 0 0 3 0x14200 bored systq 38531 85260 0 0 3 0x14200 tmoslp softclockmp 92436 122418 0 0 3 0x40014200 tmoslp softclock 7840 242423 0 0 3 0x40014200 idle0 1 216912 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 31924 (syz-executor) thread 0xffff8000ffffaa50 (119324) exclusive rwlock futex r = 0 (0xffffffff83895658) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sys_futex+0x69 sys/kern/sys_futex.c:98 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 56918 (syz-executor) thread 0xffff800035cb1230 (1623) exclusive rwlock vmmaplk r = 0 (0xfffffd806bdfdd90) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1858 #4 uvm_fault_check+0x987 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline] #4 uvm_fault_check+0x987 sys/uvm/uvm_fault.c:774 #5 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 11944 (reaper) thread 0xffff8000ffffd718 (153585) exclusive rwlock kmmaplk r = 0 (0xffffffff8394a328) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:833 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:284 #6 reaper+0x1fe sys/kern/kern_exit.c:466 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 11176K 11472K 166960K 12755 0 pcb 21 18K 20K 166960K 276 0 rtable 166 7K 9K 166960K 599 0 pf 38 18K 21K 166960K 248 0 ifaddr 35 6K 8K 166960K 97 0 ifgroup 54 2K 2K 166960K 141 0 sysctl 3 1K 1K 166960K 3 0 counters 62 36K 36K 166960K 128 0 ioctlops 0 0K 4K 166960K 1657 0 iov 0 0K 16K 166960K 57 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1456 92K 92K 166960K 2586 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 26 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 38 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 1289 0 sigio 0 0K 0K 166960K 64 0 proc 74 115K 128K 166960K 767 0 subproc 72 4K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 212 0 in_multi 69 4K 7K 166960K 203 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 632 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 249 73K 87K 166960K 13752 0 UVM aobj 40 7K 7K 166960K 43 0 pinsyscall 45 90K 101K 166960K 2493 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 72 0 NDP 11 0K 2K 166960K 63 0 temp 72 8643K 8897K 166960K 32636 0 kqueue 16 26K 31K 166960K 228 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 162 0 158 2 1 1 2 0 8 0 rtentry 112 183 0 114 4 0 4 4 0 8 0 unpcb 144 739 0 721 5 4 1 4 0 8 0 syncache 336 6 0 6 1 1 0 1 0 8 0 tcpqe 32 4 0 4 1 1 0 1 0 8 0 tcpcb 808 365 0 357 8 6 2 8 0 8 1 arp 120 30 0 16 1 0 1 1 0 8 0 inpcb 376 1658 0 1641 27 22 5 18 0 8 3 nd6 136 40 0 23 1 0 1 1 0 8 0 pkpcb 40 10 0 10 3 2 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1168 19 0 19 3 2 1 1 0 8 1 pppxif 1472 5 0 5 3 3 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 17 0 11 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 3 0 1 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 97 0 33 1 0 1 1 0 8 0 pfstkey 128 97 0 33 3 0 3 3 0 8 0 pfstate 376 97 0 33 7 0 7 7 0 8 0 pfrule 1344 89 0 82 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 817 0 472 36 11 25 32 0 8 1 art_table 32 819 0 472 5 1 4 5 0 8 0 art_node 16 178 0 120 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 15 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 35 0 24 1 0 1 1 0 8 0 shmpl 112 40 0 3 2 0 2 2 0 8 0 dirhash 1024 22 0 5 3 0 3 3 0 8 0 dino2pl 256 3673 0 2158 96 0 96 96 0 8 0 ffsino 280 3673 0 2158 109 0 109 109 0 8 0 nchpl 144 5431 0 3728 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 uvmvnodes 80 4491 0 0 92 0 92 92 0 8 0 vnodes 216 4491 0 0 250 0 250 250 0 8 0 namei 1024 18440 0 18440 2 1 1 1 0 8 1 percpumem 16 78 0 33 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 72 0 50 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 2 0 1 0 8 0 scxspl 216 15903 0 15903 11 10 1 8 1 8 1 plimitpl 152 256 0 236 1 0 1 1 0 8 0 sigapl 424 1608 0 1535 10 1 9 9 0 8 0 futexpl 64 16943 0 16935 1 0 1 1 0 8 0 knotepl 120 598 0 0 18 0 18 18 0 8 0 kqueuepl 216 392 0 380 3 2 1 3 0 8 0 pipepl 328 283 0 253 8 0 8 8 0 8 5 fdescpl 504 1566 0 1534 5 0 5 5 0 8 0 filepl 152 10080 0 9838 28 12 16 17 0 8 4 lockfpl 104 387 0 384 1 0 1 1 0 8 0 lockfspl 48 137 0 134 1 0 1 1 0 8 0 sessionpl 144 30 0 20 1 0 1 1 0 8 0 pgrppl 48 54 0 36 1 0 1 1 0 8 0 ucredpl 104 2041 0 2026 1 0 1 1 0 8 0 zombiepl 144 1829 0 1828 2 1 1 1 0 8 0 processpl 1168 1608 0 1535 7 1 6 6 0 8 0 procpl 656 3512 0 3423 9 1 8 8 0 8 0 srpgc 96 15 0 15 3 2 1 1 0 8 1 sosppl 168 14 0 14 4 3 1 1 0 8 1 sockpl 688 2578 0 2539 26 20 6 18 0 8 2 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 71 0 0 9 0 9 9 0 8 0 mtagpl 96 49 0 0 2 0 2 2 0 8 0 mbufpl 256 3535 0 0 221 0 221 221 0 8 0 bufpl 280 5616 0 137 392 0 392 392 0 8 0 anonpl 24 220905 0 217041 88 39 49 65 0 184 9 amapchunkpl 152 44255 0 43709 40 11 29 29 0 158 5 amappl16 200 4554 0 4514 47 33 14 25 0 8 8 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 132 0 119 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 2273 0 2240 3 1 2 2 0 8 0 amappl11 160 55 0 40 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 243 0 243 1 1 0 1 0 8 0 amappl8 136 37 0 34 1 0 1 1 0 8 0 amappl7 128 115 0 102 1 0 1 1 0 8 0 amappl6 120 221 0 217 1 0 1 1 0 8 0 amappl5 112 142 0 131 1 0 1 1 0 8 0 amappl4 104 345 0 325 1 0 1 1 0 8 0 amappl3 96 8987 0 8861 4 0 4 4 0 8 0 amappl2 88 749 0 678 2 0 2 2 0 8 0 amappl1 80 12270 0 11610 16 0 16 16 0 8 0 amappl 88 13257 0 13069 5 0 5 5 0 92 0 dma65536 65536 2 0 2 1 1 0 1 0 8 0 dma32768 32768 2 0 2 2 2 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 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 128 253 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 42 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1566 0 1533 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1566 0 1533 1 0 1 1 0 8 0 vmmpekpl 168 13804 0 13750 3 0 3 3 0 8 0 vmmpepl 168 100309 0 98222 110 7 103 103 0 357 8 vmsppl 456 1565 0 1533 5 0 5 5 0 8 0 rwobjpl 64 32894 0 27301 95 2 93 93 0 8 1 pdppl 4096 3140 0 3066 114 40 74 84 0 8 0 pvpl 32 18844 0 0 152 0 152 152 0 265 0 pmappl 248 1565 0 1533 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 534 0 69 14 0 14 14 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8380dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff8394c278) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8394c278) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003c4eea90,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff8394c278) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8394c278) at __mp_lock+0x199 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7093be208f20, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff8000014d8030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff8000014d8018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff8000014d8000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c4deb68) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff800035cb19e0,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff800035cb19e0,ffff80003c516f00,ffff80003c516e50) at sys_exit+0x1a syscall(ffff80003c516f00) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c516f00) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x757c5f071340, count: -9