uvm_fault(0xffffffff83a29278, 0xffff8000271e2160, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND *284935 50179 0 0 0x1 0K syz-executor 142851 50179 0 0 0x4000001 1 syz-executor ffs2_balloc(fffffd807a6da078,e3b27,5c,fffffd80097fd6e8,1,ffff8000313b5db8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff8000313b5e40) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806057da20,ffff8000313b5ef0,3,fffffd80097fd6e8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80003c410a98,fffffd806057da20,fffffd80097fd6e8,ffff8000313b5fc8,ffff8000313b5fa0) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrstruct(ffff80003c410a98,ffffffff834d5d6c,ffff8000313b6080,10) at ktrstruct+0x197 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrstruct(ffff80003c410a98,ffffffff834d5d6c,ffff8000313b6080,10) at ktrstruct+0x197 sys/kern/kern_ktrace.c:314 sys_clock_gettime(ffff80003c410a98,ffff8000313b61b0,ffff8000313b6100) at sys_clock_gettime+0x15f sys/kern/kern_time.c:179 syscall(ffff8000313b61b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000313b61b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75023af679a0, count: 7 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(0xffffffff83a29278, 0xffff8000271e2160, 0, 1) -> d ddb{0}> trace ffs2_balloc(fffffd807a6da078,e3b27,5c,fffffd80097fd6e8,1,ffff8000313b5db8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff8000313b5e40) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806057da20,ffff8000313b5ef0,3,fffffd80097fd6e8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80003c410a98,fffffd806057da20,fffffd80097fd6e8,ffff8000313b5fc8,ffff8000313b5fa0) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrstruct(ffff80003c410a98,ffffffff834d5d6c,ffff8000313b6080,10) at ktrstruct+0x197 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrstruct(ffff80003c410a98,ffffffff834d5d6c,ffff8000313b6080,10) at ktrstruct+0x197 sys/kern/kern_ktrace.c:314 sys_clock_gettime(ffff80003c410a98,ffff8000313b61b0,ffff8000313b6100) at sys_clock_gettime+0x15f sys/kern/kern_time.c:179 syscall(ffff8000313b61b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000313b61b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75023af679a0, count: -8 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000313b5d60 rbx 0 rdx 0 rcx 0xffff8000271e2000 rax 0x2c r8 0xffffffffffffffff r9 0xffff8000313b5db8 r10 0x9ac584f878b59049 r11 0x6d855f2fdfc1eab5 r12 0x1 r13 0xffff800000c31800 r14 0xffff8000313b5bf0 r15 0xfffffd805fd3a5a0 rip 0xffffffff822b5fed ffs2_balloc+0xa0d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000313b5be0 ss 0x10 ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ddb{0}> show proc PROC (syz-executor) tid=284935 pid=50179 tcnt=2 stat=onproc flags process=0 proc=1 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe3250,0xffff80003c411508 process=0xffff80003c4861d8 user=0xffff8000313b1000, vmspace=0xfffffd80778137c0 estcpu=36, cpticks=4, pctcpu=0.0, user=0, sys=4, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *50179 284935 45285 0 7 0x1 syz-executor 50179 142851 45285 0 7 0x4000001 syz-executor 24714 225484 27995 0 2 0 syz-executor 6826 168346 48274 0 2 0 syz-executor 6826 412688 48274 0 3 0x4000080 kqread syz-executor 92485 4078 61982 0 2 0xc80 syz-executor 92485 102507 61982 0 3 0x4000080 kqread syz-executor 92485 16848 61982 0 3 0x4000080 fsleep syz-executor 39344 184447 2603 0 2 0xc80 syz-executor 39344 452574 2603 0 3 0x4000080 fifor syz-executor 39344 331475 2603 0 3 0x4000080 fsleep syz-executor 34864 326152 5593 0 2 0xc80 syz-executor 34864 171078 5593 0 3 0x4000080 lockf syz-executor 34864 39798 5593 0 3 0x4000080 fsleep syz-executor 72569 151617 0 0 3 0x14200 acct acct 74541 423303 0 0 3 0x14280 nfsidl nfsio 9346 252706 0 0 3 0x14280 nfsidl nfsio 35585 357594 0 0 3 0x14280 nfsidl nfsio 72262 332812 0 0 3 0x14280 nfsidl nfsio 43196 140548 0 0 3 0x14280 nfsidl nfsio 88625 63093 0 0 3 0x14280 nfsidl nfsio 49052 250009 0 0 3 0x14280 nfsidl nfsio 519 86240 0 0 3 0x14280 nfsidl nfsio 877 349000 0 0 3 0x14280 nfsidl nfsio 30165 111174 0 0 3 0x14280 nfsidl nfsio 9349 371907 0 0 3 0x14280 nfsidl nfsio 67789 379412 0 0 3 0x14280 nfsidl nfsio 59190 8363 0 0 3 0x14280 nfsidl nfsio 16327 222756 0 0 3 0x14280 nfsidl nfsio 1155 184046 0 0 3 0x14280 nfsidl nfsio 41158 367639 0 0 3 0x14280 nfsidl nfsio 22492 373576 0 0 3 0x14280 nfsidl nfsio 51065 191122 0 0 3 0x14280 nfsidl nfsio 11285 523943 0 0 3 0x14280 nfsidl nfsio 49246 28756 0 0 3 0x14280 nfsidl nfsio 2603 104898 86295 0 2 0xc82 syz-executor 5593 445705 86295 0 2 0xc82 syz-executor 61982 462628 86295 0 2 0xc82 syz-executor 27995 286473 86295 0 2 0xc82 syz-executor 92059 169667 86295 0 2 0x2 syz-executor 45285 274633 86295 0 2 0xc82 syz-executor 88885 436088 86295 0 3 0x82 wait syz-executor 48274 193027 86295 0 2 0xc82 syz-executor 86295 227744 51185 0 3 0x82 kqread syz-executor 51185 220832 90066 0 3 0x10008a sigsusp ksh 90066 29337 70812 0 3 0x98 kqread sshd-session 70812 88100 19099 0 3 0x92 kqread sshd-session 37762 353215 1 0 3 0x100083 ttyopn getty 19099 362001 1 0 3 0x88 kqread sshd 52869 265547 97549 74 3 0x1100092 bpf pflogd 97549 258691 1 0 3 0x80 sbwait pflogd 4882 456083 4489 73 3 0x1100090 kqread syslogd 4489 220950 1 0 3 0x100082 sbwait syslogd 65652 264494 1 0 3 0x100080 kqread resolvd 51417 358044 92517 77 3 0x100092 kqread dhcpleased 89186 157432 92517 77 3 0x100092 kqread dhcpleased 92517 467190 1 0 3 0x80 kqread dhcpleased 70600 299595 0 0 3 0x14200 bored smr 19058 160798 0 0 2 0x14200 zerothread 85555 376325 0 0 3 0x14200 aiodoned aiodoned 37418 406776 0 0 3 0x14200 syncer update 78008 88202 0 0 3 0x14200 cleaner cleaner 66555 515743 0 0 3 0x14200 reaper reaper 89497 65092 0 0 3 0x14200 pgdaemon pagedaemon 51490 277208 0 0 3 0x14200 bored viomb 29756 286653 0 0 3 0x40014200 acpi0 acpi0 79107 50975 0 0 3 0x40014200 idle1 44520 307986 0 0 3 0x14200 bored softnet1 36398 32425 0 0 3 0x14200 bored softnet0 43522 142535 0 0 3 0x14200 smrbar systqmp 39503 97113 0 0 3 0x14200 bored systq 92609 160377 0 0 3 0x14200 tmoslp softclockmp 13394 388757 0 0 3 0x40014200 tmoslp softclock 21193 409882 0 0 3 0x40014200 idle0 1 351518 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 50179 (syz-executor) thread 0xffff80003c410a98 (284935) Process 43522 (systqmp) thread 0xffff8000ffffea60 (142535) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11088 12250K 13465K 166960K 13253 0 pcb 21 14K 16K 166960K 97 0 rtable 233 18K 19K 166960K 466 0 pf 41 19K 25K 166960K 164 0 ifaddr 41 7K 8K 166960K 84 0 ifgroup 56 2K 2K 166960K 148 0 sysctl 4 1K 9K 166960K 14 0 counters 72 37K 38K 166960K 152 0 ioctlops 0 0K 4K 166960K 1670 0 iov 0 0K 12K 166960K 19 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1427 90K 90K 166960K 1947 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 65 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 680 0 sigio 1 0K 0K 166960K 9 0 proc 72 115K 147K 166960K 615 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 209 0 in_multi 87 6K 7K 166960K 127 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 23 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 451 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 233 159K 177K 166960K 7942 0 UVM aobj 21 6K 6K 166960K 24 0 pinsyscall 42 84K 99K 166960K 1857 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 26 0 NDP 13 0K 2K 166960K 57 0 temp 62 9084K 9148K 166960K 26919 0 kqueue 15 24K 30K 166960K 149 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 261 0 258 3 0 3 3 0 8 2 rtentry 176 133 0 41 6 0 6 6 0 8 0 unpcb 144 308 0 286 2 0 2 2 0 8 1 syncache 336 8 0 8 1 0 1 1 0 8 1 tcpcb 736 171 0 167 4 2 2 4 0 8 1 arp 136 19 0 3 1 0 1 1 0 8 0 inpcb 328 631 0 617 9 4 5 9 0 8 3 nd6 152 28 0 3 2 0 2 2 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 28 0 28 1 0 1 1 0 8 1 pppxif 1576 5 0 5 1 0 1 1 0 8 1 pfstscr 40 4 0 2 1 0 1 1 0 8 0 pffrag 232 5 0 4 1 0 1 1 0 482 0 pffrnode 88 5 0 4 1 0 1 1 0 8 0 pffrent 40 10 0 9 1 0 1 1 0 8 0 pfosfp 40 1428 0 1428 5 0 5 5 0 8 5 pfosfpen 112 1428 0 1428 21 0 21 21 0 8 21 pfrktable 1344 4 0 1 1 0 1 1 0 8 0 pfsrclim 320 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 5 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 51 0 3 1 0 1 1 0 8 0 pfstkey 128 55 0 7 2 0 2 2 0 8 0 pfstate 448 51 0 5 6 0 6 6 0 8 0 pfrule 1360 33 0 23 2 1 1 2 0 8 0 rttmr 136 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 553 0 141 30 0 30 30 0 8 2 art_table 40 555 0 141 5 0 5 5 0 8 0 art_node 32 131 0 46 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 62 0 52 1 0 1 1 0 8 0 shmpl 112 21 0 3 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2643 0 1182 93 0 93 93 0 8 0 ffsino 296 2643 0 1182 114 0 114 114 0 8 0 nchpl 144 3584 0 1879 64 0 64 64 0 8 0 rtmask 32 5 0 5 1 0 1 1 0 8 1 vnodes 216 3089 0 0 172 0 172 172 0 8 0 namei 1024 12322 0 12322 1 0 1 1 0 8 1 percpumem 16 91 0 40 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 84 0 54 3 0 3 3 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 17930 0 17930 11 3 8 8 1 8 8 plimitpl 152 95 0 77 1 0 1 1 0 8 0 sigapl 424 1011 0 943 8 0 8 8 0 8 0 knotepl 120 507 0 0 16 0 16 16 0 8 0 kqueuepl 224 300 0 287 5 0 5 5 0 8 3 pipepl 344 164 0 137 4 1 3 3 0 8 0 fdescpl 528 974 0 943 3 0 3 3 0 8 0 filepl 160 5737 0 5502 15 1 14 15 0 8 3 lockfpl 104 456 0 449 2 1 1 2 0 8 0 lockfspl 48 156 0 152 1 0 1 1 0 8 0 sessionpl 144 51 0 42 1 0 1 1 0 8 0 pgrppl 48 67 0 50 1 0 1 1 0 8 0 ucredpl 104 721 0 707 1 0 1 1 0 8 0 zombiepl 144 944 0 943 2 1 1 1 0 8 0 processpl 1232 1011 0 943 6 0 6 6 0 8 0 procpl 664 1910 0 1834 8 0 8 8 0 8 0 sosppl 176 9 0 9 1 0 1 1 0 8 1 sockpl 752 1276 0 1237 14 4 10 13 0 8 5 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 354 0 0 22 0 22 22 0 8 0 bufpl 280 6862 0 732 438 0 438 438 0 8 0 anonpl 32 11365 0 0 92 0 92 92 0 246 0 amapchunkpl 152 26315 0 25847 31 1 30 30 0 158 8 amappl16 200 3819 0 3787 44 18 26 27 0 8 18 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 431 0 430 2 1 1 1 0 8 0 amappl13 176 138 0 126 1 0 1 1 0 8 0 amappl12 168 1234 0 1202 2 0 2 2 0 8 0 amappl11 160 42 0 42 2 2 0 1 0 8 0 amappl10 152 62 0 48 1 0 1 1 0 8 0 amappl9 144 296 0 295 3 2 1 1 0 8 0 amappl8 136 110 0 108 1 0 1 1 0 8 0 amappl7 128 161 0 147 1 0 1 1 0 8 0 amappl6 120 173 0 172 2 1 1 1 0 8 0 amappl5 112 112 0 101 1 0 1 1 0 8 0 amappl4 104 312 0 292 1 0 1 1 0 8 0 amappl3 96 5062 0 4951 5 1 4 4 0 8 0 amappl2 88 594 0 529 2 0 2 2 0 8 0 amappl1 80 13955 0 13355 18 1 17 17 0 8 3 amappl 88 7083 0 6923 5 0 5 5 0 92 0 uvmvnodes 80 124 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 7 0 7 2 2 0 1 0 8 0 dma128 128 255 0 255 2 1 1 1 0 8 1 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 23 0 3 1 0 1 1 0 8 0 uaddrrnd 24 974 0 943 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 974 0 943 1 0 1 1 0 8 0 vmmpekpl 168 10136 0 10102 2 0 2 2 0 8 0 vmmpepl 168 72239 0 70313 111 1 110 110 0 357 11 vmsppl 488 973 0 943 5 0 5 5 0 8 0 rwobjpl 80 23398 0 22331 34 1 33 33 0 8 3 pdppl 4096 1955 0 1886 107 36 71 81 0 8 2 pvpl 32 18408 0 0 150 1 149 149 0 265 0 pmappl 256 973 0 943 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 300 0 42 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ffs2_balloc(fffffd807a6da078,e3b27,5c,fffffd80097fd6e8,1,ffff8000313b5db8) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff8000313b5e40) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806057da20,ffff8000313b5ef0,3,fffffd80097fd6e8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80003c410a98,fffffd806057da20,fffffd80097fd6e8,ffff8000313b5fc8,ffff8000313b5fa0) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrstruct(ffff80003c410a98,ffffffff834d5d6c,ffff8000313b6080,10) at ktrstruct+0x197 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrstruct(ffff80003c410a98,ffffffff834d5d6c,ffff8000313b6080,10) at ktrstruct+0x197 sys/kern/kern_ktrace.c:314 sys_clock_gettime(ffff80003c410a98,ffff8000313b61b0,ffff8000313b6100) at sys_clock_gettime+0x15f sys/kern/kern_time.c:179 syscall(ffff8000313b61b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000313b61b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75023af679a0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299bdff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff83aac440) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83aac440) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrstruct(ffff80003c4114f8,ffffffff834d5d6c,ffff800037bce2e0,10) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 sys_clock_gettime(ffff80003c4114f8,ffff800037bce410,ffff800037bce360) at sys_clock_gettime+0x15f sys/kern/kern_time.c:179 syscall(ffff800037bce410) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037bce410) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4de17361f60, count: 7 ddb{1}> trace x86_ipi_db(ffff8000299bdff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff83aac440) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83aac440) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrstruct(ffff80003c4114f8,ffffffff834d5d6c,ffff800037bce2e0,10) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 sys_clock_gettime(ffff80003c4114f8,ffff800037bce410,ffff800037bce360) at sys_clock_gettime+0x15f sys/kern/kern_time.c:179 syscall(ffff800037bce410) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037bce410) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4de17361f60, count: -8