witness: lock_object uninitialized: 0xffff800000cf1028 Starting stack trace... witness_checkorder(ffff800000cf1028,9,0) at witness_checkorder+0x133 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000cf1028,9,0) at witness_checkorder+0x133 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000cf1018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000cf1000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:95 [inline] unveil_delete_names(ffff800000cf1000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:105 unveil_destroy(ffff8000fffe5910) at unveil_destroy+0xad sys/kern/kern_unveil.c:186 exit1(ffff8000fffe9ce8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff8000fffe9ce8,ffff800029530880,ffff8000295308e0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800029530950) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800029530950) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdf9d0, 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(ffff800000cf1028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000cf1028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000cf1018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000cf1000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:95 [inline] unveil_delete_names(ffff800000cf1000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:105 unveil_destroy(ffff8000fffe5910) at unveil_destroy+0xad sys/kern/kern_unveil.c:186 exit1(ffff8000fffe9ce8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff8000fffe9ce8,ffff800029530880,ffff8000295308e0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800029530950) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800029530950) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdf9d0, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800029530620 rbx 0x3 rdx 0 rcx 0 rax 0xffff8000fffe9ce8 r8 0xffff8000295305c0 r9 0x8080808080808080 r10 0x97d599a852fb4850 r11 0x85127591e993e70e r12 0xffff800000cf1001 r13 0xffff800000cf1028 r14 0 r15 0 rip 0xffffffff824d4738 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800029530610 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=396924 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffe9508,0xffff8000fffe82b8 process=0xffff8000fffe5910 user=0xffff80002952b000, vmspace=0xfffffd807df3e738 estcpu=36, cpticks=17, pctcpu=0.9 user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 84938 297664 38171 0 3 0x80 nanoslp syz-executor.5 84938 95207 38171 0 3 0x4000080 fsleep syz-executor.5 84938 318339 38171 0 3 0x4000080 fsleep syz-executor.5 84938 111634 38171 0 3 0x4000080 fsleep syz-executor.5 57678 128677 39085 0 3 0x82 piperd syz-executor.4 3275 452224 39085 0 3 0x82 piperd syz-executor.7 93669 347419 39085 0 3 0x82 piperd syz-executor.1 91207 359825 0 0 3 0x14200 bored sosplice 36025 123547 0 0 3 0x14200 acct acct 64670 122720 0 0 3 0x14280 nfsidl nfsio 21133 336138 0 0 3 0x14280 nfsidl nfsio 19363 102785 0 0 3 0x14280 nfsidl nfsio 8974 466284 0 0 3 0x14280 nfsidl nfsio 55375 403690 0 0 3 0x14280 nfsidl nfsio 12699 505420 0 0 3 0x14280 nfsidl nfsio 66526 511074 0 0 3 0x14280 nfsidl nfsio 92968 166683 0 0 3 0x14280 nfsidl nfsio 28889 391806 0 0 3 0x14280 nfsidl nfsio 35817 55658 0 0 3 0x14280 nfsidl nfsio 61823 475640 0 0 3 0x14280 nfsidl nfsio 14527 408893 0 0 3 0x14280 nfsidl nfsio 41896 43588 0 0 3 0x14280 nfsidl nfsio 52719 325432 0 0 3 0x14280 nfsidl nfsio 69785 235637 0 0 3 0x14280 nfsidl nfsio 81827 247374 0 0 3 0x14280 nfsidl nfsio 83197 225101 0 0 3 0x14280 nfsidl nfsio 97109 290288 0 0 3 0x14280 nfsidl nfsio 16960 344738 0 0 3 0x14280 nfsidl nfsio 35991 225408 0 0 3 0x14280 nfsidl nfsio 38171 129181 39085 0 3 0x82 nanoslp syz-executor.5 39499 116858 39085 0 3 0x82 piperd syz-executor.6 51488 305119 39085 0 3 0x82 piperd syz-executor.2 50234 152457 39085 0 3 0x2 biowait syz-executor.3 87215 451947 39085 0 3 0x82 nanoslp syz-executor.0 39085 414902 77197 0 3 0x82 kqread syz-fuzzer 39085 488340 77197 0 3 0x4000082 nanoslp syz-fuzzer 39085 451113 77197 0 3 0x4000082 nanoslp syz-fuzzer 39085 296394 77197 0 3 0x4000082 thrsleep syz-fuzzer 39085 402362 77197 0 3 0x4000082 thrsleep syz-fuzzer 39085 25881 77197 0 3 0x4000082 thrsleep syz-fuzzer 39085 443019 77197 0 3 0x4000082 thrsleep syz-fuzzer 39085 125442 77197 0 3 0x4000082 thrsleep syz-fuzzer 39085 201680 77197 0 3 0x4000082 thrsleep syz-fuzzer 77197 380202 56171 0 3 0x10008a sigsusp ksh 56171 355159 84703 0 3 0x9a poll sshd 23350 168745 1 0 3 0x100083 ttyin getty 84703 311251 1 0 3 0x88 poll sshd 55517 365965 49467 74 3 0x100092 bpf pflogd 49467 201095 1 0 3 0x80 netio pflogd 81088 452931 18453 73 3 0x100090 kqread syslogd 18453 450831 1 0 3 0x100082 netio syslogd 49367 58069 1 0 3 0x100080 kqread resolvd 91073 250231 34050 77 3 0x100092 kqread dhcpleased 48216 282638 34050 77 3 0x100092 kqread dhcpleased 34050 160273 1 0 3 0x80 kqread dhcpleased 25727 365650 0 0 3 0x14200 bored smr 92022 472755 0 0 3 0x14200 pgzero zerothread 91210 507659 0 0 3 0x14200 aiodoned aiodoned 22185 50241 0 0 3 0x14200 syncer update 87622 284301 0 0 3 0x14200 cleaner cleaner 30646 487231 0 0 7 0x14200 reaper 65862 159084 0 0 3 0x14200 pgdaemon pagedaemon 58402 58814 0 0 3 0x14200 bored viomb 20745 205560 0 0 3 0x40014200 acpi0 acpi0 32579 395440 0 0 3 0x40014200 idle1 72477 35977 0 0 3 0x14200 bored softnet 79711 324665 0 0 3 0x14200 bored systqmp 54238 133940 0 0 3 0x14200 bored systq 18332 272855 0 0 3 0x40014200 bored softclock 31907 216390 0 0 3 0x40014200 idle0 1 126485 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 50234 (syz-executor.3) thread 0xffff8000ffff5ce0 (152457) exclusive rrwlock inode r = 0 (0xfffffd806720e5f8) #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 (0xfffffd806901fc50) #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 10200 6541K 7059K 78643K 15315 0 pcb 13 12K 14K 78643K 165 0 rtable 212 15K 18K 78643K 671 0 ifaddr 85 18K 19K 78643K 283 0 sysctl 2 0K 0K 78643K 2 0 counters 54 35K 35K 78643K 120 0 ioctlops 0 0K 4K 78643K 1602 0 iov 0 0K 12K 78643K 95 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1335 83K 84K 78643K 3093 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 20 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 608 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 11 37K 89K 78643K 1633 0 sigio 0 0K 0K 78643K 4 0 proc 76 111K 124K 78643K 705 0 subproc 104 6K 6K 78643K 169 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 33 0 in_multi 85 5K 6K 78643K 196 0 ether_multi 1 0K 0K 78643K 18 0 mrt 0 0K 0K 78643K 17 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 139 625K 625K 78643K 139 0 exec 0 0K 2K 78643K 891 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 353 265K 266K 78643K 22349 0 UVM aobj 10 2K 2K 78643K 10 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 37 0 NDP 11 0K 1K 78643K 73 0 temp 130 4699K 4763K 78643K 11436 0 kqueue 10 14K 26K 78643K 71 0 SYN cache 2 16K 16K 78643K 2 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 120 180 0 177 3 2 1 3 0 8 0 rtentry 112 184 0 92 4 0 4 4 0 8 0 unpcb 136 612 0 597 8 7 1 5 0 8 0 syncache 296 18 0 18 3 3 0 1 0 8 0 tcpqe 32 104 0 104 2 2 0 1 0 8 0 tcpcb 736 535 0 530 26 22 4 11 0 8 3 arp 120 30 0 13 1 0 1 1 0 8 0 inpcb 304 1140 0 1133 18 15 3 6 0 8 2 rttmr 72 6 0 6 2 1 1 1 0 8 1 nd6 48 44 0 22 1 0 1 1 0 8 0 pkpcb 40 70 0 70 1 0 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1248 14 0 14 4 4 0 1 0 8 0 pfstscr 40 3 0 3 1 1 0 1 0 8 0 pffrag 232 34 0 34 1 1 0 1 0 482 0 pffrnode 88 34 0 34 1 1 0 1 0 8 0 pffrent 40 1496 0 1496 1 1 0 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 49 0 46 1 0 1 1 0 8 0 pfstitem 24 35 0 27 1 0 1 1 0 8 0 pfstkey 112 41 0 33 1 0 1 1 0 8 0 pfstate 320 38 0 30 3 1 2 3 0 8 0 pfrule 1360 44 0 32 5 3 2 2 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 889 0 499 32 7 25 29 0 8 0 art_table 32 890 0 499 4 0 4 4 0 8 0 art_node 16 183 0 102 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 0 1 0 1 1 0 8 0 semapl 112 602 0 592 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3431 0 1993 91 0 91 91 0 8 0 ffsino 272 3431 0 1993 97 0 97 97 0 8 0 nchpl 144 5832 0 4202 63 0 63 63 0 8 0 uvmvnodes 80 5190 0 0 106 0 106 106 0 8 0 vnodes 224 5190 0 0 306 0 306 306 0 8 0 namei 1024 20419 0 20418 5 3 2 2 0 8 1 percpumem 16 72 0 33 1 0 1 1 0 8 0 vcpupl 2048 50 0 0 7 0 7 7 0 8 0 vmpool 560 50 0 0 4 0 4 4 0 8 0 pfiaddrpl 120 12 0 9 1 0 1 1 0 8 0 scxspl 216 15939 0 15938 10 9 1 8 0 8 0 plimitpl 152 116 0 101 1 0 1 1 0 8 0 sigapl 424 1955 0 1894 8 0 8 8 0 8 0 futexpl 64 12265 0 12262 2 1 1 1 0 8 0 knotepl 112 115 0 0 3 0 3 3 0 8 0 kqueuepl 216 228 0 222 7 6 1 3 0 8 0 pipepl 336 444 0 416 16 13 3 8 0 8 0 fdescpl 496 1919 0 1895 5 1 4 5 0 8 0 filepl 152 11280 0 11039 32 20 12 18 0 8 2 lockfpl 104 582 0 578 1 0 1 1 0 8 0 lockfspl 48 200 0 196 1 0 1 1 0 8 0 sessionpl 144 29 0 12 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 96 881 0 869 1 0 1 1 0 8 0 zombiepl 144 2521 0 2520 1 0 1 1 0 8 0 processpl 1064 1955 0 1894 5 0 5 5 0 8 0 procpl 672 4669 0 4596 9 1 8 9 0 8 0 srpgc 96 10 0 10 2 2 0 1 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 480 2006 0 1981 50 38 12 28 0 8 8 mcl64k 65536 19 0 0 3 0 3 3 0 8 0 mcl16k 16384 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 14 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 205 0 0 25 0 25 25 0 8 0 mtagpl 96 159 0 0 4 0 4 4 0 8 0 mbufpl 256 427 0 0 25 0 25 25 0 8 0 bufpl 288 5548 0 152 387 1 386 386 0 8 0 anonpl 24 490204 0 473597 138 6 132 133 0 186 2 amapchunkpl 152 54461 0 53659 42 2 40 40 0 158 3 amappl16 200 3836 0 3204 36 1 35 35 0 8 1 amappl15 192 204 0 198 1 0 1 1 0 8 0 amappl14 184 6 0 4 2 1 1 1 0 8 0 amappl13 176 114 0 111 1 0 1 1 0 8 0 amappl12 168 91 0 85 1 0 1 1 0 8 0 amappl11 160 45 0 31 1 0 1 1 0 8 0 amappl10 152 150 0 146 1 0 1 1 0 8 0 amappl9 144 1436 0 1428 1 0 1 1 0 8 0 amappl8 136 980 0 916 3 0 3 3 0 8 0 amappl7 128 410 0 397 1 0 1 1 0 8 0 amappl6 120 1180 0 1154 2 1 1 2 0 8 0 amappl5 112 1951 0 1936 1 0 1 1 0 8 0 amappl4 104 1011 0 982 2 1 1 2 0 8 0 amappl3 96 317 0 305 1 0 1 1 0 8 0 amappl2 88 707 0 660 3 1 2 3 0 8 0 amappl1 80 37794 0 37252 19 4 15 19 0 8 0 amappl 88 21768 0 21516 8 0 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 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1969 0 1894 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1969 0 1894 1 0 1 1 0 8 0 vmmpekpl 168 18546 0 18487 4 0 4 4 0 8 1 vmmpepl 168 179320 0 176883 166 32 134 136 0 357 8 vmsppl 368 1968 0 1894 9 1 8 8 0 8 0 rwobjpl 56 48638 0 41811 99 1 98 98 0 8 0 pdppl 4096 3945 0 3838 207 88 119 119 0 8 12 pvpl 32 948080 0 927347 270 55 215 245 0 265 8 pmappl 248 1968 0 1894 7 1 6 6 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 949 0 140 24 0 24 24 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82994ff0) 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(ffffffff82b5a420) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82b5a420) at __mp_lock+0x129 sys/kern/kern_lock.c:147 intr_handler(ffff8000211351c0,ffff800000077500) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff82b5a420) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82b5a420) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff800021135310,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82b5a420) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82b5a420) at __mp_lock+0x133 sys/kern/kern_lock.c:147 reaper(ffff8000210f82a0) at reaper+0x150 sys/kern/kern_exit.c:450 end trace frame: 0x0, count: -12 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(ffff800000cf1028,9,0) at witness_checkorder+0x138 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffff800000cf1028,9,0) at witness_checkorder+0x138 sys/kern/subr_witness.c:772 rw_enter_write(ffff800000cf1018) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000cf1000) at unveil_delete_names+0x30 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:95 [inline] unveil_delete_names(ffff800000cf1000) at unveil_delete_names+0x30 sys/kern/kern_unveil.c:105 unveil_destroy(ffff8000fffe5910) at unveil_destroy+0xad sys/kern/kern_unveil.c:186 exit1(ffff8000fffe9ce8,0,0,1) at exit1+0x3d5 sys/kern/kern_exit.c:225 sys_exit(ffff8000fffe9ce8,ffff800029530880,ffff8000295308e0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800029530950) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800029530950) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdf9d0, count: -9