panic: mutex 0xfffffd806c6bd4a8 not held in mtx_leave Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 121480 33147 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806c6bd4a8) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806c6bd3c0,fffffd806c6bd4a8,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806c6bd390,fffffd806ec0e350,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806c6bd390,ffff80002a9762f0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806c6bd390,ffff80002a9762f0,21000,3,7,5002,1372385803100d1e,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff67b0,ffff80002a976460,ffff80002a9763b0) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff80002a976460) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a976460) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f9274b3aae0, count: 5 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: mutex 0xfffffd806c6bd4a8 not held in mtx_leave ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806c6bd4a8) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806c6bd3c0,fffffd806c6bd4a8,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806c6bd390,fffffd806ec0e350,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806c6bd390,ffff80002a9762f0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806c6bd390,ffff80002a9762f0,21000,3,7,5002,1372385803100d1e,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff67b0,ffff80002a976460,ffff80002a9763b0) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff80002a976460) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a976460) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f9274b3aae0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a975ed0 rbx 0xffffffff834aedbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff8000ffff67b0 rax 0xffffffff834adff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3dc25f5c7ea73aaa r11 0xa90874c996a26c08 r12 0xffffffff834aebc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff816a99e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a975ec0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=349297 pid=33147 tcnt=4 stat=sleep flags process=10 proc=20 runpri=32, usrpri=50, slppri=4, nice=20 wchan=0xfffffd806c6bd3c0, wmesg=vmmapbsy, ps_single=0x0 scnt=0 ecnt=0 forw=0x0, list=0xffff8000363c7c08,0xffff8000ffff6f58 process=0xffff8000371d1b50 user=0xffff80002a971000, vmspace=0xfffffd806c6bd390 estcpu=36, cpticks=1, pctcpu=0.0, user=1, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *33147 349297 36659 32767 3 0x30 vmmapbsy syz-executor 33147 360078 36659 32767 2 0x4000010 syz-executor 33147 121480 36659 32767 7 0x4000010 syz-executor 33147 10965 36659 32767 2 0x4000010 syz-executor 30381 367250 36333 0 3 0x2 clonelk ifconfig 36333 298309 92716 0 3 0x10008a sigsusp sh 92716 202549 67123 0 3 0x80 wait syz-executor 57292 142697 71855 0 3 0x2 clonelk ifconfig 67123 213848 17430 0 3 0x82 wait syz-executor 32258 136810 14664 0 3 0x2 clonelk ifconfig 14664 165023 36075 0 3 0x10008a sigsusp sh 82539 61367 58458 0 3 0x2 clonelk ifconfig 60673 195141 53630 0 3 0x2 clonelk ifconfig 66180 130192 694 0 3 0 clonelk syz-executor 36075 434061 67670 0 3 0x80 wait syz-executor 58458 468729 19884 0 3 0x10008a sigsusp sh 67670 515585 17430 0 3 0x82 wait syz-executor 19884 387688 61170 0 3 0x80 wait syz-executor 71855 452302 53861 0 3 0x10008a sigsusp sh 53861 467430 15431 0 3 0x80 wait syz-executor 94151 20631 45667 0 3 0x2 clonelk ifconfig 45667 29603 32039 0 3 0x10008a sigsusp sh 53630 224387 6561 0 3 0x10008a sigsusp sh 32039 344892 48867 0 3 0x80 wait syz-executor 6561 465325 16043 0 3 0x80 wait syz-executor 36659 251621 77094 32767 3 0x90 nanoslp syz-executor 48867 299327 17430 0 3 0x82 wait syz-executor 15431 142837 17430 0 3 0x82 wait syz-executor 694 350473 17430 0 3 0x82 wait syz-executor 61170 517336 17430 0 3 0x82 wait syz-executor 16043 176017 17430 0 3 0x82 wait syz-executor 77094 229056 17430 0 3 0x82 wait syz-executor 73747 276852 0 0 3 0x14200 bored sosplice 17430 406626 74845 0 3 0x82 kqread syz-executor 74845 347706 53478 0 3 0x10008a sigsusp ksh 53478 273321 85295 0 3 0x98 kqread sshd-session 85295 207053 3049 0 3 0x92 kqread sshd-session 26515 448808 1 0 3 0x100083 ttyin getty 3049 481867 1 0 3 0x88 kqread sshd 63639 388239 25358 73 2 0x1100010 syslogd 25358 35645 1 0 3 0x100082 sbwait syslogd 38463 7307 1 0 3 0x100080 kqread resolvd 4568 443011 66656 77 3 0x100092 kqread dhcpleased 63252 124301 66656 77 3 0x100092 kqread dhcpleased 66656 135673 1 0 3 0x80 kqread dhcpleased 67477 459460 0 0 3 0x14200 bored smr 10232 502587 0 0 3 0x14200 pgzero zerothread 84230 161767 0 0 3 0x14200 aiodoned aiodoned 16901 367278 0 0 3 0x14200 syncer update 69879 467355 0 0 3 0x14200 cleaner cleaner 95348 333335 0 0 3 0x14200 reaper reaper 64103 114211 0 0 3 0x14200 pgdaemon pagedaemon 12984 223177 0 0 3 0x14200 bored viomb 836 14803 0 0 3 0x40014200 acpi0 acpi0 50157 400155 0 0 3 0x40014200 idle1 6638 340250 0 0 3 0x14200 bored softnet3 37752 320200 0 0 3 0x14200 bored softnet2 29391 39572 0 0 3 0x14200 bored softnet1 91130 59990 0 0 3 0x14200 bored softnet0 90608 352382 0 0 3 0x14200 bored systqmp 23202 22849 0 0 3 0x14200 bored systq 36349 171672 0 0 3 0x14200 tmoslp softclockmp 89669 209325 0 0 3 0x40014200 tmoslp softclock 36627 112915 0 0 3 0x40014200 idle0 1 508445 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &map->flags_lock r = 0 (0xfffffd806c6bd4e8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vm_map_lock_ln+0x6b sys/uvm/uvm_map.c:5244 #4 uvm_mapanon+0x292 #5 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 #6 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 Process 33147 (syz-executor) thread 0xffff80003239dbf8 (121480) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a2200) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #1 syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 63639 (syslogd) thread 0xffff8000ffffd450 (388239) exclusive rrwlock inode r = 0 (0xfffffd806e291c50) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10178 11041K 11059K 166960K 11331 0 pcb 17 14K 16K 166960K 19 0 rtable 168 4K 7K 166960K 1037 0 pf 25 16K 16K 166960K 75 0 ifaddr 30 5K 7K 166960K 136 0 ifgroup 38 1K 2K 166960K 138 0 sysctl 2 0K 0K 166960K 2 0 counters 58 35K 36K 166960K 108 0 ioctlops 0 0K 2K 166960K 58 0 iov 0 0K 18K 166960K 36 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1448 91K 91K 166960K 1977 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 31 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 36 137K 153K 166960K 1059 0 sigio 0 0K 0K 166960K 16 0 proc 100 152K 176K 166960K 1180 0 subproc 169 10K 11K 166960K 611 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 179 0 in_multi 66 4K 7K 166960K 368 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 832 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 250 114K 122K 166960K 9429 0 UVM aobj 86 3K 5K 166960K 87 0 pinsyscall 57 114K 124K 166960K 2682 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 58 0 NDP 10 0K 2K 166960K 93 0 temp 72 6819K 6883K 166960K 9540 0 kqueue 13 20K 34K 166960K 134 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 129 0 126 1 0 1 1 0 8 0 rtentry 112 359 0 282 4 1 3 4 0 8 0 unpcb 144 821 0 806 9 7 2 6 0 8 1 syncache 336 12 0 12 3 3 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 808 463 0 455 15 13 2 14 0 8 1 arp 120 62 0 50 1 0 1 1 0 8 0 ipq 40 3 0 1 1 0 1 1 0 8 0 ipqe 40 46 0 44 1 0 1 1 0 8 0 inpcb 336 1091 0 1074 12 10 2 12 0 8 0 nd6 136 96 0 81 1 0 1 1 0 8 0 kcovpl 48 47 0 34 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1464 0 1138 34 6 28 29 0 8 2 art_table 32 1465 0 1138 4 0 4 4 0 8 0 art_node 16 358 0 288 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 7 2 1 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 29 0 19 1 0 1 1 0 8 0 shmpl 112 84 0 1 3 0 3 3 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 2381 0 806 99 0 99 99 0 8 0 ffsino 272 2381 0 806 105 0 105 105 0 8 0 nchpl 144 3274 0 1552 64 0 64 64 0 8 0 uvmvnodes 80 3001 0 0 62 0 62 62 0 8 0 vnodes 216 3001 0 0 167 0 167 167 0 8 0 namei 1024 12842 0 12842 5 3 2 2 0 8 2 percpumem 16 68 0 25 1 0 1 1 0 8 0 kstatmem 264 66 0 50 2 0 2 2 0 8 0 scxspl 216 19378 0 19378 11 9 2 8 1 8 2 plimitpl 152 322 0 293 2 0 2 2 0 8 0 sigapl 424 1260 0 1193 9 1 8 8 0 8 0 futexpl 64 7749 0 7749 2 1 1 1 0 8 1 knotepl 120 716 0 0 22 0 22 22 0 8 0 kqueuepl 216 298 0 289 5 4 1 5 0 8 0 pipepl 320 439 0 402 12 7 5 8 0 8 0 fdescpl 496 1241 0 1193 10 3 7 7 0 8 0 filepl 152 6865 0 6548 22 9 13 19 0 8 0 lockfpl 104 135 0 133 1 0 1 1 0 8 0 lockfspl 48 57 0 55 1 0 1 1 0 8 0 sessionpl 144 58 0 37 1 0 1 1 0 8 0 pgrppl 48 117 0 88 1 0 1 1 0 8 0 ucredpl 104 927 0 910 1 0 1 1 0 8 0 zombiepl 144 1198 0 1193 1 0 1 1 0 8 0 processpl 1160 1260 0 1193 6 0 6 6 0 8 0 procpl 648 2122 0 2052 7 0 7 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 10 0 10 3 3 0 1 0 8 0 sockpl 664 2047 0 2012 24 19 5 18 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 137 0 0 18 0 18 18 0 8 0 mcl2k 2048 58 0 0 6 1 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 364 0 0 22 0 22 22 0 8 0 bufpl 280 6149 0 96 433 0 433 433 0 8 0 anonpl 24 228110 0 224332 53 6 47 50 0 185 15 amapchunkpl 152 30064 0 29567 43 13 30 41 0 158 8 amappl16 200 4877 0 4870 31 21 10 15 0 8 8 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 232 0 222 1 0 1 1 0 8 0 amappl13 176 28 0 28 2 2 0 1 0 8 0 amappl12 168 2216 0 2174 4 2 2 3 0 8 0 amappl11 160 55 0 45 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 138 0 137 1 0 1 1 0 8 0 amappl8 136 15 0 13 1 0 1 1 0 8 0 amappl7 128 148 0 138 1 0 1 1 0 8 0 amappl6 120 394 0 380 1 0 1 1 0 8 0 amappl5 112 237 0 222 1 0 1 1 0 8 0 amappl4 104 371 0 356 1 0 1 1 0 8 0 amappl3 96 5926 0 5826 4 0 4 4 0 8 0 amappl2 88 1043 0 970 2 0 2 2 0 8 0 amappl1 80 13155 0 12565 16 1 15 15 0 8 0 amappl 88 8847 0 8657 6 1 5 6 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 86 0 1 2 0 2 2 0 8 0 uaddrrnd 24 1241 0 1193 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1241 0 1193 1 0 1 1 0 8 0 vmmpekpl 168 12634 0 12564 4 0 4 4 0 8 0 vmmpepl 168 84428 0 82340 109 10 99 101 0 357 7 vmsppl 448 1240 0 1193 6 0 6 6 0 8 0 rwobjpl 56 30045 0 25964 60 2 58 58 0 8 0 pdppl 4096 2489 0 2386 197 88 109 111 0 8 6 pvpl 32 27973 0 0 226 0 226 226 0 265 0 pmappl 248 1240 0 1193 5 1 4 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 531 0 126 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806c6bd4a8) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806c6bd3c0,fffffd806c6bd4a8,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806c6bd390,fffffd806ec0e350,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806c6bd390,ffff80002a9762f0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806c6bd390,ffff80002a9762f0,21000,3,7,5002,1372385803100d1e,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff67b0,ffff80002a976460,ffff80002a9763b0) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff80002a976460) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a976460) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f9274b3aae0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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 mtx_enter(fffffd806c6bd4d8) at mtx_enter+0xa7 sys/kern/kern_lock.c:250 vm_map_lock_ln(fffffd806c6bd390,0,0) at vm_map_lock_ln+0x6b sys/uvm/uvm_map.c:5244 uvm_map_pageable_wire(fffffd806c6bd390,fffffd806c216ce8,fffffd806c0921a0,ffff80003239dbf8,0,0) at uvm_map_pageable_wire+0x4a3 sys/uvm/uvm_map.c:2132 sys_mlock(ffff80003239dbf8,ffff800037209e10,ffff800037209d60) at sys_mlock+0x23d sys/uvm/uvm_mmap.c:837 syscall(ffff800037209e10) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037209e10) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x357e4f55e70, count: 6 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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 mtx_enter(fffffd806c6bd4d8) at mtx_enter+0xa7 sys/kern/kern_lock.c:250 vm_map_lock_ln(fffffd806c6bd390,0,0) at vm_map_lock_ln+0x6b sys/uvm/uvm_map.c:5244 uvm_map_pageable_wire(fffffd806c6bd390,fffffd806c216ce8,fffffd806c0921a0,ffff80003239dbf8,0,0) at uvm_map_pageable_wire+0x4a3 sys/uvm/uvm_map.c:2132 sys_mlock(ffff80003239dbf8,ffff800037209e10,ffff800037209d60) at sys_mlock+0x23d sys/uvm/uvm_mmap.c:837 syscall(ffff800037209e10) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037209e10) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x357e4f55e70, count: -9