uvm_fault(0xfffff4806f36a3d8, 0xf, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND *348436 37036 0 0 0x4000000 0K syz-executor 6653 2270 0 0x2 0x1 1 syz-executor ktrops(ffff8000fffee2b0,ffffffffffffffff,0,a0c7df9f,fffff4806b889b08,fffff480097fd5b0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff8000fffee2b0,ffffffffffffffff,0,a0c7df9f,fffff4806b889b08,fffff480097fd5b0) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff4806b889b08,4,20c7df9f,0,ffff8000fffee2b0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff4806b889b08,4,20c7df9f,0,ffff8000fffee2b0) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff8000fffee2b0,ffff80003c3f5900,ffff80003c3f5850) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80003c3f5900) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f5900) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe4cb4812440, count: 10 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(0xfffff4806f36a3d8, 0xf, 0, 1) -> e ddb{0}> trace ktrops(ffff8000fffee2b0,ffffffffffffffff,0,a0c7df9f,fffff4806b889b08,fffff480097fd5b0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff8000fffee2b0,ffffffffffffffff,0,a0c7df9f,fffff4806b889b08,fffff480097fd5b0) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff4806b889b08,4,20c7df9f,0,ffff8000fffee2b0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff4806b889b08,4,20c7df9f,0,ffff8000fffee2b0) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff8000fffee2b0,ffff80003c3f5900,ffff80003c3f5850) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80003c3f5900) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f5900) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe4cb4812440, count: -5 ddb{0}> show registers rdi 0xffff80002a380000 rsi 0x5b79 __ALIGN_SIZE+0x4b79 rbp 0xffff80003c3f5610 rbx 0xfffff480097fd5b0 rdx 0xffff80002a380000 rcx 0x5b78 __ALIGN_SIZE+0x4b78 rax 0xffffffff823407d3 ktrops+0x43 r8 0xfffff4806b889b08 r9 0xfffff480097fd5b0 r10 0x20007ad4a818aa01 r11 0xd3190887a8d0d83e r12 0xffff8000fffee2b0 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0xa0c7df9f rip 0xffffffff823407e8 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c3f5590 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=348436 pid=37036 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffef4d8,0xffff8000fffee028 process=0xffff80003c3b66a0 user=0xffff80003c3f0000, vmspace=0xfffff4806f36a3d8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 15858 426312 53255 0 2 0 syz-executor 37036 114361 53778 0 2 0 syz-executor *37036 348436 53778 0 7 0x4000000 syz-executor 69589 165126 69336 60929 2 0x10 syz-executor 69589 87236 69336 60929 2 0x4000010 syz-executor 69589 32177 69336 60929 3 0x4000090 fsleep syz-executor 74072 157365 9213 0 2 0 syz-executor 74072 383231 9213 0 3 0x4000080 fsleep syz-executor 74072 148510 9213 0 3 0x4000080 fsleep syz-executor 77172 320088 14762 0 2 0 syz-executor 77172 369435 14762 0 3 0x4000080 fsleep syz-executor 71038 315136 30569 0 2 0 syz-executor 71038 474118 30569 0 3 0x4000080 fsleep syz-executor 71038 329186 30569 0 3 0x4000080 fsleep syz-executor 87668 102978 58576 0 2 0 syz-executor 87668 435408 58576 0 2 0x4000000 syz-executor 87668 170563 58576 0 3 0x4000080 fsleep syz-executor 58576 256843 2270 0 2 0xc82 syz-executor 37372 45016 2270 0 2 0x2 syz-executor 53255 61429 2270 0 2 0x2 syz-executor 30569 520449 2270 0 2 0xc82 syz-executor 69336 281262 2270 0 2 0xc82 syz-executor 9213 447325 2270 0 3 0x82 nanoslp syz-executor 14762 273641 2270 0 2 0xc82 syz-executor 53778 496701 2270 0 3 0x82 nanoslp syz-executor 2270 6653 37529 0 7 0x3 syz-executor 37529 290098 32101 0 3 0x10008a sigsusp ksh 32101 223052 51142 0 3 0x98 kqread sshd-session 51142 426541 42984 0 3 0x92 kqread sshd-session 75619 274661 1 0 3 0x100083 ttyin getty 42984 136274 1 0 3 0x88 kqread sshd 64601 256023 9357 74 3 0x1100092 bpf pflogd 9357 105468 1 0 3 0x80 sbwait pflogd 45516 468702 12851 73 3 0x1100090 kqread syslogd 12851 284757 1 0 3 0x100082 sbwait syslogd 12062 9841 1 0 3 0x100080 kqread resolvd 44476 494060 5483 77 3 0x100092 kqread dhcpleased 16073 6592 5483 77 3 0x100092 kqread dhcpleased 5483 64849 1 0 3 0x80 kqread dhcpleased 84672 503161 0 0 3 0x14200 bored smr 28520 21712 0 0 2 0x14200 zerothread 81200 390447 0 0 3 0x14200 aiodoned aiodoned 1600 496796 0 0 3 0x14200 syncer update 59158 214676 0 0 3 0x14200 cleaner cleaner 7153 384846 0 0 3 0x14200 reaper reaper 99013 3037 0 0 3 0x14200 pgdaemon pagedaemon 8228 845 0 0 3 0x14200 bored viomb 9139 257701 0 0 3 0x40014200 acpi0 acpi0 87114 514162 0 0 3 0x40014200 idle1 95157 451582 0 0 3 0x14200 bored softnet1 58161 278826 0 0 3 0x14200 bored softnet0 70153 345065 0 0 3 0x14200 bored systqmp 76352 397051 0 0 3 0x14200 bored systq 53297 20068 0 0 3 0x14200 tmoslp softclockmp 90147 134251 0 0 3 0x40014200 tmoslp softclock 43222 338233 0 0 3 0x40014200 idle0 1 373535 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 37036 (syz-executor) thread 0xffff8000fffee2b0 (348436) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83b15540) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #3 biowait+0xc6 sys/kern/vfs_bio.c:1242 #4 bwrite+0x2e7 sys/kern/vfs_bio.c:754 #5 ffs_update+0x2fe sys/ufs/ffs/ffs_inode.c:111 #6 ffs_truncate+0xc9b sys/ufs/ffs/ffs_inode.c:-1 #7 ufs_inactive+0x202 sys/ufs/ufs/ufs_inode.c:84 #8 VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 #9 vrele+0x129 sys/kern/vfs_subr.c:837 #10 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #11 ktrops+0x26c sys/kern/kern_ktrace.c:574 #12 doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] #12 doktrace+0x6bd sys/kern/kern_ktrace.c:518 #13 sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 #14 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #15 Xsyscall+0x128 Process 87668 (syz-executor) thread 0xffff80003c3b8d18 (435408) exclusive rrwlock inode r = 0 (0xfffff4806c86b688) #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:576 #5 vn_write+0x18f sys/kern/vfs_vnops.c:411 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11051 12084K 12214K 166960K 12154 0 pcb 17 12K 12K 166960K 19 0 rtable 245 7K 7K 166960K 375 0 pf 34 17K 18K 166960K 46 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 58 0 sysctl 1 1K 9K 166960K 5 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1483 0 iov 0 0K 16K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1293 81K 81K 166960K 1367 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 150 0 proc 71 115K 164K 166960K 554 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 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 31 148K 148K 166960K 31 0 exec 0 0K 1K 166960K 391 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 227 175K 185K 166960K 3366 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 42 84K 104K 166960K 1336 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 2 0 NDP 28 2K 2K 166960K 28 0 temp 37 9110K 9126K 166960K 7965 0 kqueue 17 28K 28K 166960K 32 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 38 0 35 1 0 1 1 0 8 0 rtentry 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 43 0 26 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 10 0 4 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 71 0 61 1 0 1 1 0 8 0 nd6 152 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 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 pfstitem 24 19 0 0 1 0 1 1 0 8 0 pfstkey 128 19 0 0 1 0 1 1 0 8 0 pfstate 448 19 0 0 3 0 3 3 0 8 0 pfrule 1360 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 453 0 0 29 0 29 29 0 8 0 art_table 40 455 0 0 5 0 5 5 0 8 0 art_node 32 112 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1592 0 115 93 0 93 93 0 8 0 ffsino 296 1592 0 115 114 0 114 114 0 8 0 nchpl 144 1809 0 103 64 0 64 64 0 8 0 vnodes 216 1684 0 0 94 0 94 94 0 8 0 namei 1024 5554 0 5554 2 0 2 2 0 8 2 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 7034 0 7034 4 2 2 3 1 8 2 plimitpl 152 30 0 12 1 0 1 1 0 8 0 sigapl 424 476 0 429 7 0 7 7 0 8 1 knotepl 120 549 0 0 17 0 17 17 0 8 0 kqueuepl 224 29 0 16 1 0 1 1 0 8 0 pipepl 344 130 0 103 3 0 3 3 0 8 0 fdescpl 528 460 0 429 3 0 3 3 0 8 0 filepl 160 1628 0 1411 10 0 10 10 0 8 0 lockfpl 104 13 0 11 1 0 1 1 0 8 0 lockfspl 48 7 0 5 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 93 0 78 1 0 1 1 0 8 0 zombiepl 144 429 0 429 1 0 1 1 0 8 1 processpl 1232 476 0 429 5 0 5 5 0 8 0 procpl 664 506 0 449 6 0 6 6 0 8 0 sockpl 752 154 0 124 4 0 4 4 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 15 0 0 2 0 2 2 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 135 0 0 9 0 9 9 0 8 0 bufpl 280 2744 0 105 189 0 189 189 0 8 0 anonpl 32 4866 0 0 41 0 41 41 0 246 1 amapchunkpl 152 8920 0 8468 21 1 20 20 0 158 1 amappl16 200 1827 0 1714 6 0 6 6 0 8 0 amappl15 192 37 0 37 1 0 1 1 0 8 1 amappl14 184 438 0 437 1 0 1 1 0 8 0 amappl13 176 140 0 128 1 0 1 1 0 8 0 amappl12 168 716 0 687 2 0 2 2 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 81 0 67 1 0 1 1 0 8 0 amappl9 144 278 0 278 1 0 1 1 0 8 1 amappl8 136 187 0 185 1 0 1 1 0 8 0 amappl7 128 162 0 149 1 0 1 1 0 8 0 amappl6 120 173 0 171 1 0 1 1 0 8 0 amappl5 112 102 0 92 1 0 1 1 0 8 0 amappl4 104 300 0 281 1 0 1 1 0 8 0 amappl3 96 1561 0 1456 3 0 3 3 0 8 0 amappl2 88 555 0 496 2 0 2 2 0 8 0 amappl1 80 10584 0 9982 15 0 15 15 0 8 0 amappl 88 2613 0 2458 4 0 4 4 0 92 0 uvmvnodes 80 101 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 128 253 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 460 0 429 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 460 0 429 1 0 1 1 0 8 0 vmmpekpl 168 5839 0 5807 2 0 2 2 0 8 0 vmmpepl 168 39299 0 37326 89 0 89 89 0 357 0 vmsppl 488 459 0 429 5 0 5 5 0 8 1 rwobjpl 80 14856 0 13753 24 0 24 24 0 8 0 pdppl 4096 927 0 858 101 16 85 85 0 8 16 pvpl 32 11198 0 0 91 0 91 91 0 265 0 pmappl 256 459 0 429 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 272 0 18 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ktrops(ffff8000fffee2b0,ffffffffffffffff,0,a0c7df9f,fffff4806b889b08,fffff480097fd5b0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff8000fffee2b0,ffffffffffffffff,0,a0c7df9f,fffff4806b889b08,fffff480097fd5b0) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff4806b889b08,4,20c7df9f,0,ffff8000fffee2b0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff4806b889b08,4,20c7df9f,0,ffff8000fffee2b0) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff8000fffee2b0,ffff80003c3f5900,ffff80003c3f5850) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80003c3f5900) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f5900) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe4cb4812440, count: -5 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff80002999dff0) 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(ffffffff83b14d40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b14d40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrgenio(ffff8000ffffd230,3,1,ffff800000c40430,38) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff8000ffffd230,3,1,ffff800000c40430,38) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264 dofilewritev(ffff8000ffffd230,3,ffff80002a24e5f8,0,ffff80002a24e6b0) at dofilewritev+0x58e sys/kern/sys_generic.c:402 sys_write(ffff8000ffffd230,ffff80002a24e760,ffff80002a24e6b0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a24e760) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a24e760) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a2eaeeff1c0, count: 6 ddb{1}> trace x86_ipi_db(ffff80002999dff0) 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(ffffffff83b14d40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b14d40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrgenio(ffff8000ffffd230,3,1,ffff800000c40430,38) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff8000ffffd230,3,1,ffff800000c40430,38) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264 dofilewritev(ffff8000ffffd230,3,ffff80002a24e5f8,0,ffff80002a24e6b0) at dofilewritev+0x58e sys/kern/sys_generic.c:402 sys_write(ffff8000ffffd230,ffff80002a24e760,ffff80002a24e6b0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a24e760) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a24e760) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a2eaeeff1c0, count: -9