uvm_fault(0xffffffff83a636f8, 0xffff800025d75ff8, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs_indirtrunc+0x689: movq 0(%rax,%rbx,8),%rbx TID PID UID PRFLAGS PFLAGS CPU COMMAND ffs_indirtrunc(fffffd806dc6fb00,fffffffffffffff4,3f7a0,ffffffffffffffff,0,ffff80003a4e8bb8) at ffs_indirtrunc+0x689 sys/ufs/ffs/ffs_inode.c:495 ffs_truncate(fffffd806dc6fb00,0,0,ffffffffffffffff) at ffs_truncate+0x1036 sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80003a4e8d10) at ufs_inactive+0x1ff sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b667398,ffff80003c95ed20) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd806b667398) at vput+0xdc sys/kern/vfs_subr.c:789 vn_closefile(fffffd80605faa58,ffff80003c95ed20) at vn_closefile+0x131 sys/kern/vfs_vnops.c:623 fdrop(fffffd80605faa58,ffff80003c95ed20) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd80605faa58,ffff80003c95ed20) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80003c95ed20) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80003c95ed20,0,0,3) at exit1+0x576 sys/kern/kern_exit.c:215 proc_suspend_check_locked(ffff80003c95ed20,0) at proc_suspend_check_locked+0x4ba sys/kern/kern_sig.c:2235 userret(ffff80003c95ed20) at userret+0x8c proc_suspend_check sys/kern/kern_sig.c:-1 [inline] userret(ffff80003c95ed20) at userret+0x8c sys/kern/kern_sig.c:2194 syscall(ffff80003a4e9130) at syscall+0xa56 mi_syscall_return sys/sys/syscall_mi.h:203 [inline] syscall(ffff80003a4e9130) at syscall+0xa56 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78e1e8666bc0, count: 1 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xffffffff83a636f8, 0xffff800025d75ff8, 0, 1) -> d ddb> trace ffs_indirtrunc(fffffd806dc6fb00,fffffffffffffff4,3f7a0,ffffffffffffffff,0,ffff80003a4e8bb8) at ffs_indirtrunc+0x689 sys/ufs/ffs/ffs_inode.c:495 ffs_truncate(fffffd806dc6fb00,0,0,ffffffffffffffff) at ffs_truncate+0x1036 sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80003a4e8d10) at ufs_inactive+0x1ff sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b667398,ffff80003c95ed20) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd806b667398) at vput+0xdc sys/kern/vfs_subr.c:789 vn_closefile(fffffd80605faa58,ffff80003c95ed20) at vn_closefile+0x131 sys/kern/vfs_vnops.c:623 fdrop(fffffd80605faa58,ffff80003c95ed20) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd80605faa58,ffff80003c95ed20) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80003c95ed20) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80003c95ed20,0,0,3) at exit1+0x576 sys/kern/kern_exit.c:215 proc_suspend_check_locked(ffff80003c95ed20,0) at proc_suspend_check_locked+0x4ba sys/kern/kern_sig.c:2235 userret(ffff80003c95ed20) at userret+0x8c proc_suspend_check sys/kern/kern_sig.c:-1 [inline] userret(ffff80003c95ed20) at userret+0x8c sys/kern/kern_sig.c:2194 syscall(ffff80003a4e9130) at syscall+0xa56 mi_syscall_return sys/sys/syscall_mi.h:203 [inline] syscall(ffff80003a4e9130) at syscall+0xa56 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78e1e8666bc0, count: -14 ddb> show registers rdi 0x2 rsi 0x2 rbp 0xffff80003a4e8a90 rbx 0x7ff rdx 0 rcx 0xfffffffffffffff4 rax 0xffff800025d72000 r8 0xffffffffffffffff r9 0xffff80003a4e8bb8 r10 0x67a3cfb4bd5711ea r11 0xa51bfc14160eb048 r12 0xfffffffffffff7f6 r13 0x1 r14 0x2 r15 0xfffffd806dc6fb00 rip 0xffffffff82c50489 ffs_indirtrunc+0x689 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003a4e89a0 ss 0x10 ffs_indirtrunc+0x689: movq 0(%rax,%rbx,8),%rbx ddb> show proc PROC (syz-executor) tid=61094 pid=76606 tcnt=0 stat=onproc flags process=1008 proc=82000 runpri=32, usrpri=70, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c95e2c0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a746a68,0xffff80002a7742c0 process=0xffff8000ffff9698 user=0xffff80003a4e4000, vmspace=0xfffffd806cb01180 estcpu=20, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 3578 19850 72679 0 3 0x80 fsleep syz-executor 3578 371110 72679 0 3 0x4000080 fifor syz-executor 41660 233625 12395 0 3 0x80 fsleep syz-executor 41660 421545 12395 0 3 0x4000080 sbwait syz-executor 24822 235843 24958 0 3 0x1000080 fsleep syz-executor 24822 148121 24958 0 3 0x5000080 kqread syz-executor 87867 374582 0 0 3 0x14280 nfsidl nfsio 11166 294856 0 0 3 0x14280 nfsidl nfsio 77280 488847 0 0 3 0x14280 nfsidl nfsio 35250 99449 0 0 3 0x14280 nfsidl nfsio 57283 68893 0 0 3 0x14280 nfsidl nfsio 82772 351447 0 0 3 0x14280 nfsidl nfsio 62625 90586 0 0 3 0x14280 nfsidl nfsio 84703 324950 0 0 3 0x14280 nfsidl nfsio 92612 312648 0 0 3 0x14280 nfsidl nfsio 60547 199155 0 0 3 0x14280 nfsidl nfsio 4018 417234 0 0 3 0x14280 nfsidl nfsio 26496 10088 0 0 3 0x14280 nfsidl nfsio 69711 345813 0 0 3 0x14280 nfsidl nfsio 81149 207122 0 0 3 0x14280 nfsidl nfsio 35269 370243 0 0 3 0x14280 nfsidl nfsio 29039 458585 0 0 3 0x14280 nfsidl nfsio 18559 206754 0 0 3 0x14280 nfsidl nfsio 72465 143505 0 0 3 0x14280 nfsidl nfsio 21416 422 0 0 3 0x14280 nfsidl nfsio 11499 257285 0 0 3 0x14280 nfsidl nfsio 27637 243151 66336 0 3 0x80 fsleep syz-executor 27637 104577 66336 0 3 0x4000080 ttyout syz-executor 27637 261636 66336 0 3 0x4000080 fsleep syz-executor 94418 458538 11087 0 3 0x80 fsleep syz-executor 94418 397588 11087 0 3 0x4000080 kqread syz-executor 85808 369122 28405 0 3 0x80 fsleep syz-executor 85808 507954 28405 0 3 0x4000080 lockf syz-executor 43734 165745 0 0 3 0x14200 acct acct 66336 397389 62437 0 3 0x82 nanoslp syz-executor 12395 3954 62437 0 3 0x82 nanoslp syz-executor 28405 320771 62437 0 3 0x82 nanoslp syz-executor 24958 399766 62437 0 3 0x82 nanoslp syz-executor 72679 316127 62437 0 3 0x82 nanoslp syz-executor 11087 306882 62437 0 3 0x82 nanoslp syz-executor 82752 319569 62437 0 2 0x2 syz-executor 62437 443517 52994 0 3 0x82 wait syz-executor 52994 448978 31182 0 3 0x10008a sigsusp ksh 31182 447394 27817 0 3 0x98 kqread sshd-session 27817 435935 64004 0 3 0x92 kqread sshd-session 61782 124738 1 0 3 0x100083 ttyopn getty 64004 377246 1 0 3 0x88 kqread sshd 24548 320762 83237 73 3 0x1100090 kqread syslogd 83237 75947 1 0 3 0x100082 sbwait syslogd 36678 54662 1 0 3 0x100080 kqread resolvd 3057 43917 47288 77 3 0x100092 kqread dhcpleased 10544 231820 47288 77 3 0x100092 kqread dhcpleased 47288 69462 1 0 3 0x80 kqread dhcpleased 62334 221979 0 0 3 0x14200 bored smr 18180 174086 0 0 2 0x14200 zerothread 95524 429569 0 0 3 0x14200 aiodoned aiodoned 3447 86854 0 0 3 0x14200 syncer update 34002 517790 0 0 3 0x14200 cleaner cleaner 42622 99699 0 0 3 0x14200 reaper reaper 42464 315576 0 0 3 0x14200 pgdaemon pagedaemon 62943 226037 0 0 3 0x14200 bored viomb 49530 4388 0 0 3 0x40014200 acpi0 acpi0 569 313167 0 0 3 0x14200 bored softnet0 8171 414800 0 0 3 0x14200 bored systqmp 93607 67113 0 0 3 0x14200 bored systq 82968 382516 0 0 3 0x40014200 tmoslp softclock 70165 360895 0 0 3 0x40014200 idle0 1 355489 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11089 12125K 12708K 166960K 13400 0 pcb 17 13K 14K 166960K 150 0 rtable 259 10K 11K 166960K 439 0 pf 35 14K 18K 166960K 81 0 ifaddr 39 6K 7K 166960K 57 0 ifgroup 47 1K 2K 166960K 90 0 sysctl 3 1K 9K 166960K 9 0 counters 33 17K 18K 166960K 76 0 ioctlops 0 0K 4K 166960K 325 0 iov 0 0K 16K 166960K 19 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1320 83K 84K 166960K 1942 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 76 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 707 0 sigio 0 0K 0K 166960K 6 0 proc 60 59K 100K 166960K 566 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 1 0K 0K 166960K 67 0 in_multi 88 6K 7K 166960K 115 0 ether_multi 1 0K 0K 166960K 7 0 mrt 2 0K 0K 166960K 25 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 396 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 216 158K 193K 166960K 7963 0 UVM aobj 13 2K 2K 166960K 15 0 pinsyscall 38 76K 96K 166960K 1808 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 36 0 NDP 11 0K 2K 166960K 38 0 temp 53 9070K 9137K 166960K 23793 0 kqueue 15 22K 30K 166960K 99 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 69 0 66 1 0 1 1 0 8 0 rtentry 136 124 0 18 5 0 5 5 0 8 0 unpcb 144 285 0 266 2 0 2 2 0 8 1 syncache 336 10 0 10 1 0 1 1 0 8 1 tcpqe 32 3 0 3 1 0 1 1 0 8 1 tcpcb 736 266 0 259 2 0 2 2 0 8 1 arp 96 18 0 2 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 4 0 3 1 0 1 1 0 8 0 inpcb 328 747 0 735 7 0 7 7 0 8 5 nd6 112 33 0 6 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 36 0 36 1 0 1 1 0 8 1 pppxif 1416 32 0 32 1 0 1 1 0 8 1 pfrktable 1344 6 0 2 1 0 1 1 0 8 0 pfsrclim 320 2 0 2 1 0 1 1 0 8 1 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 0 1 1 0 8 1 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 4 0 2 1 0 1 1 0 8 0 pfstate 384 2 0 1 1 0 1 1 0 8 0 pfrule 1360 6 0 5 1 0 1 1 0 8 0 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 544 0 117 34 0 34 34 0 8 5 art_table 40 546 0 117 6 0 6 6 0 8 1 art_node 32 124 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 72 0 68 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 74 0 64 1 0 1 1 0 8 0 shmpl 112 12 0 2 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 2624 0 1177 92 0 92 92 0 8 0 ffsino 256 2624 0 1177 92 0 92 92 0 8 0 nchpl 144 3579 0 1881 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 3044 0 0 170 0 170 170 0 8 0 namei 1024 11122 0 11122 2 0 2 2 0 8 2 pfiaddrpl 120 2 0 0 1 0 1 1 0 8 0 kstatmem 264 42 0 20 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 20297 0 20297 8 0 8 8 1 8 8 plimitpl 152 295 0 278 1 0 1 1 0 8 0 sigapl 424 1022 0 959 8 0 8 8 0 8 0 knotepl 120 27918 0 27865 25 12 13 17 0 8 8 kqueuepl 184 140 0 127 1 0 1 1 0 8 0 pipepl 304 189 0 161 5 0 5 5 0 8 2 fdescpl 448 988 0 959 5 0 5 5 0 8 1 filepl 120 4998 0 4772 11 0 11 11 0 8 2 lockfpl 104 412 0 406 2 0 2 2 0 8 1 lockfspl 48 168 0 164 1 0 1 1 0 8 0 sessionpl 144 37 0 29 1 0 1 1 0 8 0 pgrppl 48 47 0 31 1 0 1 1 0 8 0 ucredpl 104 827 0 816 1 0 1 1 0 8 0 zombiepl 144 961 0 959 1 0 1 1 0 8 0 processpl 1152 1022 0 959 5 0 5 5 0 8 0 procpl 664 1845 0 1775 7 0 7 7 0 8 0 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 552 1116 0 1082 8 0 8 8 0 8 5 mcl64k 65536 67 0 67 1 0 1 1 0 8 1 mcl16k 16384 8 0 8 1 0 1 1 0 8 1 mcl12k 12288 2 0 2 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 52 0 52 1 0 1 1 0 8 1 mcl4k 4096 3359 0 3306 13 0 13 13 0 8 5 mcl2k2 2112 2 0 2 1 0 1 1 0 8 1 mcl2k 2048 549 0 535 3 0 3 3 0 8 1 mtagpl 96 85 0 5 2 0 2 2 0 8 0 mbufpl 256 10147 0 9915 20 0 20 20 0 8 2 bufpl 280 9942 0 3728 444 0 444 444 0 8 0 anonpl 24 177336 0 174134 61 0 61 61 0 187 24 amapchunkpl 152 25698 0 25251 28 0 28 28 0 158 8 amappl16 200 4017 0 3984 35 22 13 22 0 8 8 amappl15 192 6 0 5 1 0 1 1 0 8 0 amappl14 184 406 0 405 1 0 1 1 0 8 0 amappl13 176 119 0 109 1 0 1 1 0 8 0 amappl12 168 1225 0 1196 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 0 1 1 0 8 1 amappl10 152 59 0 49 1 0 1 1 0 8 0 amappl9 144 264 0 264 1 0 1 1 0 8 1 amappl8 136 102 0 101 1 0 1 1 0 8 0 amappl7 128 147 0 136 1 0 1 1 0 8 0 amappl6 120 151 0 150 1 0 1 1 0 8 0 amappl5 112 93 0 86 1 0 1 1 0 8 0 amappl4 104 263 0 249 1 0 1 1 0 8 0 amappl3 96 5097 0 4989 4 0 4 4 0 8 0 amappl2 88 534 0 475 2 0 2 2 0 8 0 amappl1 80 12250 0 11695 19 0 19 19 0 8 4 amappl 88 7187 0 7035 5 0 5 5 0 92 0 uvmvnodes 80 114 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 1 0 1 1 0 8 1 dma128 128 254 0 254 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 14 0 2 1 0 1 1 0 8 0 uaddrrnd 24 988 0 959 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 988 0 959 1 0 1 1 0 8 0 vmmpekpl 168 9185 0 9150 2 0 2 2 0 8 0 vmmpepl 168 70317 0 68506 110 0 110 110 0 357 9 vmsppl 368 987 0 959 4 0 4 4 0 8 1 rwobjpl 40 21798 0 20827 16 0 16 16 0 8 1 pdppl 4096 1982 0 1918 110 40 70 80 0 8 6 pvpl 32 456013 0 447133 144 0 144 144 0 265 37 pmappl 216 987 0 959 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 390 0 40 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ffs_indirtrunc(fffffd806dc6fb00,fffffffffffffff4,3f7a0,ffffffffffffffff,0,ffff80003a4e8bb8) at ffs_indirtrunc+0x689 sys/ufs/ffs/ffs_inode.c:495 ffs_truncate(fffffd806dc6fb00,0,0,ffffffffffffffff) at ffs_truncate+0x1036 sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80003a4e8d10) at ufs_inactive+0x1ff sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b667398,ffff80003c95ed20) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd806b667398) at vput+0xdc sys/kern/vfs_subr.c:789 vn_closefile(fffffd80605faa58,ffff80003c95ed20) at vn_closefile+0x131 sys/kern/vfs_vnops.c:623 fdrop(fffffd80605faa58,ffff80003c95ed20) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd80605faa58,ffff80003c95ed20) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80003c95ed20) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80003c95ed20,0,0,3) at exit1+0x576 sys/kern/kern_exit.c:215 proc_suspend_check_locked(ffff80003c95ed20,0) at proc_suspend_check_locked+0x4ba sys/kern/kern_sig.c:2235 userret(ffff80003c95ed20) at userret+0x8c proc_suspend_check sys/kern/kern_sig.c:-1 [inline] userret(ffff80003c95ed20) at userret+0x8c sys/kern/kern_sig.c:2194 syscall(ffff80003a4e9130) at syscall+0xa56 mi_syscall_return sys/sys/syscall_mi.h:203 [inline] syscall(ffff80003a4e9130) at syscall+0xa56 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78e1e8666bc0, count: -14 ddb> machine ddbcpu 1 No such command ddb> trace ffs_indirtrunc(fffffd806dc6fb00,fffffffffffffff4,3f7a0,ffffffffffffffff,0,ffff80003a4e8bb8) at ffs_indirtrunc+0x689 sys/ufs/ffs/ffs_inode.c:495 ffs_truncate(fffffd806dc6fb00,0,0,ffffffffffffffff) at ffs_truncate+0x1036 sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80003a4e8d10) at ufs_inactive+0x1ff sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b667398,ffff80003c95ed20) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd806b667398) at vput+0xdc sys/kern/vfs_subr.c:789 vn_closefile(fffffd80605faa58,ffff80003c95ed20) at vn_closefile+0x131 sys/kern/vfs_vnops.c:623 fdrop(fffffd80605faa58,ffff80003c95ed20) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd80605faa58,ffff80003c95ed20) at closef+0x190 sys/kern/kern_descrip.c:1265 fdfree(ffff80003c95ed20) at fdfree+0x115 sys/kern/kern_descrip.c:1196 exit1(ffff80003c95ed20,0,0,3) at exit1+0x576 sys/kern/kern_exit.c:215 proc_suspend_check_locked(ffff80003c95ed20,0) at proc_suspend_check_locked+0x4ba sys/kern/kern_sig.c:2235 userret(ffff80003c95ed20) at userret+0x8c proc_suspend_check sys/kern/kern_sig.c:-1 [inline] userret(ffff80003c95ed20) at userret+0x8c sys/kern/kern_sig.c:2194 syscall(ffff80003a4e9130) at syscall+0xa56 mi_syscall_return sys/sys/syscall_mi.h:203 [inline] syscall(ffff80003a4e9130) at syscall+0xa56 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78e1e8666bc0, count: -14