uvm_fault(0xfffffd806c54b9b0, 0x48, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 8236 93629 0 0 0 1 syz-executor *135040 80028 0 0 0x4000000 0K syz-executor witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff80000002c530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001596000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002a243238) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a243238) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800039fc9f20) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806bcf82d0,81,fffffd80097fd138,ffff80002a243238) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b4d3398,ffff80002a243238) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b4d3398,ffff80002a243238) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b4d3398,ffff80002a243238) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806b4d3398,ffff80002a243238) at closef+0x192 sys/kern/kern_descrip.c:1265 syscall(ffff800039fca180) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800039fca180) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbdfce86e750, count: 3 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: uvm_fault(0xfffffd806c54b9b0, 0x48, 0, 1) -> e ddb{0}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff80000002c530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001596000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002a243238) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a243238) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800039fc9f20) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806bcf82d0,81,fffffd80097fd138,ffff80002a243238) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b4d3398,ffff80002a243238) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b4d3398,ffff80002a243238) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b4d3398,ffff80002a243238) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806b4d3398,ffff80002a243238) at closef+0x192 sys/kern/kern_descrip.c:1265 syscall(ffff800039fca180) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800039fca180) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbdfce86e750, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800039fc9d40 rbx 0 rdx 0 rcx 0xffff80002a243238 rax 0xffffffff838ccffe cpu_info_full_primary+0x1ffe r8 0xffffffff82f29340 uvm_map_inentry_sp r9 0 r10 0 r11 0xee69d3e3fb06ea5 r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff82a477f5 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800039fc9ca0 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{0}> show proc PROC (syz-executor) tid=135040 pid=80028 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2422a8,0xffff80002a242fb0 process=0xffff8000fffe44f0 user=0xffff800039fc5000, vmspace=0xfffffd806c54b9b0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 93629 8236 9816 0 7 0 syz-executor 93629 110925 9816 0 3 0x4000000 vscsiref syz-executor 79988 231724 22814 0 2 0 syz-executor 79988 173330 22814 0 3 0x4000080 fsleep syz-executor 80028 352749 7113 0 2 0 syz-executor *80028 135040 7113 0 7 0x4000000 syz-executor 80028 492751 7113 0 3 0x4000080 fsleep syz-executor 91547 402168 14234 0 2 0 syz-executor 91547 430009 14234 0 3 0x4000080 fsleep syz-executor 59167 201946 3105 0 3 0x80 nanoslp syz-executor 59167 136622 3105 0 3 0x4000080 kqsel syz-executor 59167 144890 3105 0 3 0x4000080 fsleep syz-executor 55996 142113 18557 0 2 0 syz-executor 55996 85066 18557 0 2 0x4000000 syz-executor 55996 132246 18557 0 3 0x4000000 inode syz-executor 55996 508195 18557 0 3 0x4000000 inode syz-executor 55996 4050 18557 0 2 0x4000000 syz-executor 94361 315805 1 0 3 0x82 nanoslp getty 78925 284319 5203 0 2 0x2 syz-executor 3105 422730 5203 0 3 0x82 nanoslp syz-executor 69963 251471 5203 0 2 0x10000002 syz-executor 7113 54334 5203 0 3 0x82 nanoslp syz-executor 14234 41176 5203 0 3 0x82 nanoslp syz-executor 9816 277454 5203 0 3 0x82 nanoslp syz-executor 18557 119996 5203 0 3 0x82 nanoslp syz-executor 22814 324627 5203 0 3 0x82 nanoslp syz-executor 5203 242046 1 0 3 0x82 kqread syz-executor 93493 514705 0 0 3 0x14200 bored smr 77089 218187 0 0 3 0x14200 pgzero zerothread 97531 185032 0 0 3 0x14200 aiodoned aiodoned 86447 513932 0 0 3 0x14200 syncer update 84419 321 0 0 3 0x14200 cleaner cleaner 65982 349964 0 0 3 0x14200 reaper reaper 76513 446470 0 0 3 0x14200 pgdaemon pagedaemon 34101 329594 0 0 3 0x14200 bored viomb 11859 518075 0 0 3 0x40014200 acpi0 acpi0 3129 518421 0 0 3 0x40014200 idle1 86274 419420 0 0 3 0x14200 bored softnet1 83109 292611 0 0 3 0x14200 bored softnet0 47824 378264 0 0 3 0x14200 bored systqmp 98841 43467 0 0 2 0x14200 systq 21146 213598 0 0 3 0x14200 tmoslp softclockmp 11529 48582 0 0 3 0x40014200 tmoslp softclock 75882 499827 0 0 3 0x40014200 idle0 1 107458 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 80028 (syz-executor) thread 0xffff80002a243238 (135040) exclusive rwlock dtlk r = 0 (0xffffffff83900ce8) #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 dt_ioctl_record_stop+0x2e sys/dev/dt/dt_dev.c:572 #3 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #4 spec_close+0x466 sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x121 sys/kern/kern_descrip.c:1281 #8 closef+0x192 sys/kern/kern_descrip.c:1265 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839fa6c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608 #2 fdrop+0x121 sys/kern/kern_descrip.c:1281 #3 closef+0x192 sys/kern/kern_descrip.c:1265 #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 55996 (syz-executor) thread 0xffff80002a242d08 (85066) exclusive rrwlock inode r = 0 (0xfffffd806c3897b8) #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:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 55996 (syz-executor) thread 0xffff8000ffffcd00 (132246) exclusive rrwlock inode r = 0 (0xfffffd806c389ea8) #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:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1611 #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 98841 (systq) thread 0xffff8000ffffe000 (43467) shared rwlock systq r = 0 (0xffffffff83949098) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11087 12238K 12379K 166960K 12399 0 pcb 18 12K 12K 166960K 47 0 rtable 205 7K 7K 166960K 377 0 pf 34 17K 19K 166960K 57 0 ifaddr 38 6K 7K 166960K 50 0 ifgroup 55 2K 2K 166960K 69 0 sysctl 3 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 78 0 ioctlops 0 0K 4K 166960K 1518 0 iov 0 0K 2K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1298 82K 82K 166960K 1510 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 9 0K 0K 166960K 9 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 61K 85K 166960K 285 0 sigio 0 0K 0K 166960K 1 0 proc 21 33K 147K 166960K 570 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 13 0 in_multi 78 5K 7K 166960K 108 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 394 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 138 82K 168K 166960K 4499 0 UVM aobj 7 2K 2K 166960K 7 0 pinsyscall 19 38K 100K 166960K 1439 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 8 0 NDP 12 0K 2K 166960K 31 0 temp 37 9074K 9330K 166960K 14272 0 kqueue 2 4K 26K 166960K 46 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 vscsiccb 40 2 0 1 1 0 1 1 0 8 0 plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 45 0 45 1 0 1 1 0 8 1 rtentry 176 114 0 24 6 1 5 6 0 8 0 unpcb 144 227 0 227 2 1 1 2 0 8 1 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 110 0 105 7 0 7 7 0 8 6 arp 136 18 0 4 1 0 1 1 0 8 0 inpcb 328 238 0 231 7 0 7 7 0 8 5 nd6 152 24 0 6 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 1 0 1 1 1 0 1 0 8 0 pppxif 1576 1 0 1 1 1 0 1 0 8 0 pffrag 232 22 0 18 1 0 1 1 0 482 0 pffrnode 88 22 0 18 1 0 1 1 0 8 0 pffrent 40 41 0 37 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfqueue 320 3 0 3 1 1 0 1 0 8 0 pfstitem 24 32 0 0 1 0 1 1 0 8 0 pfstkey 128 32 0 0 2 0 2 2 0 8 0 pfstate 448 32 0 0 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 465 0 94 29 3 26 29 0 8 0 art_table 40 467 0 94 5 0 5 5 0 8 0 art_node 32 114 0 32 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 7 0 0 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1868 0 394 93 0 93 93 0 8 0 ffsino 296 1868 0 394 114 0 114 114 0 8 0 nchpl 144 2268 0 561 64 0 64 64 0 8 0 vnodes 216 2043 0 0 114 0 114 114 0 8 0 namei 1024 7146 0 7145 12 4 8 11 0 8 7 percpumem 16 54 0 4 1 0 1 1 0 8 0 kstatmem 264 34 0 6 2 0 2 2 0 8 0 scsiplug 72 2 0 1 2 1 1 1 0 8 0 scxspl 216 10165 0 10164 11 3 8 8 1 8 7 plimitpl 152 44 0 32 1 0 1 1 0 8 0 sigapl 424 601 0 565 6 0 6 6 0 8 0 knotepl 120 311 0 0 10 0 10 10 0 8 0 kqueuepl 224 123 0 118 5 0 5 5 0 8 4 pipepl 344 134 0 107 3 0 3 3 0 8 0 fdescpl 528 585 0 566 3 0 3 3 0 8 0 filepl 160 2724 0 2553 16 0 16 16 0 8 5 lockfpl 104 106 0 104 1 0 1 1 0 8 0 lockfspl 48 40 0 38 1 0 1 1 0 8 0 sessionpl 144 34 0 32 1 0 1 1 0 8 0 pgrppl 48 43 0 33 1 0 1 1 0 8 0 ucredpl 104 230 0 227 1 0 1 1 0 8 0 zombiepl 144 587 0 585 2 1 1 1 0 8 0 processpl 1232 601 0 565 5 0 5 5 0 8 0 procpl 664 852 0 805 6 0 6 6 0 8 1 sockpl 752 511 0 504 12 2 10 12 0 8 8 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 261 0 0 17 0 17 17 0 8 0 bufpl 280 4645 0 105 325 0 325 325 0 8 0 anonpl 32 5508 0 0 45 0 45 45 0 246 0 amapchunkpl 152 13739 0 13365 32 7 25 29 0 158 7 amappl16 200 2118 0 2070 5 2 3 5 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 500 0 500 1 0 1 1 0 8 1 amappl13 176 123 0 122 1 0 1 1 0 8 0 amappl12 168 840 0 822 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 66 0 65 1 0 1 1 0 8 0 amappl9 144 263 0 263 1 1 0 1 0 8 0 amappl8 136 102 0 101 1 0 1 1 0 8 0 amappl7 128 160 0 158 1 0 1 1 0 8 0 amappl6 120 162 0 162 1 0 1 1 0 8 1 amappl5 112 98 0 97 1 0 1 1 0 8 0 amappl4 104 315 0 312 1 0 1 1 0 8 0 amappl3 96 2496 0 2414 4 0 4 4 0 8 1 amappl2 88 544 0 535 2 0 2 2 0 8 0 amappl1 80 10508 0 10390 18 1 17 17 0 8 8 amappl 88 3703 0 3579 5 0 5 5 0 92 1 uvmvnodes 80 109 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 128 254 0 253 2 1 1 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 585 0 566 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 585 0 566 1 0 1 1 0 8 0 vmmpekpl 168 6576 0 6542 2 0 2 2 0 8 0 vmmpepl 168 45902 0 45025 95 0 95 95 0 357 41 vmsppl 488 584 0 566 6 1 5 5 0 8 0 rwobjpl 80 16053 0 15587 26 0 26 26 0 8 3 pdppl 4096 1177 0 1132 97 46 51 81 0 8 6 pvpl 32 11499 0 0 94 1 93 93 0 265 0 pmappl 256 584 0 566 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 294 0 57 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff80000002c530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001596000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(31e5f,81,2000,ffff80002a243238) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff80002a243238) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800039fc9f20) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806bcf82d0,81,fffffd80097fd138,ffff80002a243238) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b4d3398,ffff80002a243238) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b4d3398,ffff80002a243238) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b4d3398,ffff80002a243238) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd806b4d3398,ffff80002a243238) at closef+0x192 sys/kern/kern_descrip.c:1265 syscall(ffff800039fca180) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800039fca180) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xs