uvm_fault(0xfffffd806ee395c8, 0x668, 0, 2) -> e kernel: page fault trap, code=0 Stopped at pppacopen+0x1b5: movq %r13,0x668 TID PID UID PRFLAGS PFLAGS CPU COMMAND 5357 95165 0 0 0 0 syz-executor.2 * 95568 95165 0 0 0x4000000 1K syz-executor.2 pppacopen(4086331,1,2000,ffff800021247508) at pppacopen+0x1b5 sys/net/if_pppx.c:1020 spec_open(ffff8000211c9f18) at spec_open+0x3d7 sys/kern/spec_vnops.c:157 VOP_OPEN(fffffd80686105c8,1,fffffd807f7d7840,ffff800021247508) at VOP_OPEN+0x75 sys/kern/vfs_vops.c:138 vn_open(ffff8000211ca168,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183 doopenat(ffff800021247508,ffffff9c,20000100,0,0,ffff8000211ca350) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211ca3c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211ca3c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x93f384010e0, count: 8 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806ee395c8, 0x668, 0, 2) -> e ddb{1}> trace pppacopen(4086331,1,2000,ffff800021247508) at pppacopen+0x1b5 sys/net/if_pppx.c:1020 spec_open(ffff8000211c9f18) at spec_open+0x3d7 sys/kern/spec_vnops.c:157 VOP_OPEN(fffffd80686105c8,1,fffffd807f7d7840,ffff800021247508) at VOP_OPEN+0x75 sys/kern/vfs_vops.c:138 vn_open(ffff8000211ca168,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183 doopenat(ffff800021247508,ffffff9c,20000100,0,0,ffff8000211ca350) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211ca3c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211ca3c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x93f384010e0, count: -7 ddb{1}> show registers rdi 0xffff8000230be000 rsi 0xd88 rbp 0xffff8000211c9e90 rbx 0 rdx 0xffff8000230be000 rcx 0xd87 rax 0xffffffff81c79ee5 pppacopen+0x1b5 r8 0x770 r9 0xfffffd807f7d7840 r10 0x3301bf2afbda09b7 r11 0xf91ee032a1116caf r12 0xfffffd80686105c8 r13 0 r14 0x4086331 __kernel_phys_end+0x1486331 r15 0xffff8000211c9f18 rip 0xffffffff81c79ee5 pppacopen+0x1b5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000211c9e40 ss 0x10 pppacopen+0x1b5: movq %r13,0x668 ddb{1}> show proc PROC (syz-executor.2) pid=95568 stat=onproc flags process=0 proc=4000000 pri=17, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021246548,0xffffffff8293ceb0 process=0xffff8000ffff8430 user=0xffff8000211c5000, vmspace=0xfffffd806ee395c8 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 95165 5357 74142 0 7 0 syz-executor.2 *95165 95568 74142 0 7 0x4000000 syz-executor.2 22588 366813 0 0 3 0x14200 bored sosplice 3590 12750 26721 0 3 0x2 biowait syz-executor.3 74142 32440 26721 0 3 0x82 nanoslp syz-executor.2 75754 47186 26721 0 3 0x82 nanoslp syz-executor.1 37924 445810 26721 0 3 0x82 nanoslp syz-executor.0 26721 316558 41444 0 3 0x82 thrsleep syz-fuzzer 26721 283936 41444 0 3 0x4000082 nanoslp syz-fuzzer 26721 276129 41444 0 3 0x4000082 thrsleep syz-fuzzer 26721 169645 41444 0 3 0x4000082 thrsleep syz-fuzzer 26721 345285 41444 0 3 0x4000082 thrsleep syz-fuzzer 26721 401645 41444 0 3 0x4000082 thrsleep syz-fuzzer 26721 91651 41444 0 3 0x4000082 thrsleep syz-fuzzer 26721 3573 41444 0 3 0x4000082 kqread syz-fuzzer 41444 11456 6833 0 3 0x10008a sigsusp ksh 6833 88309 6008 0 3 0x9a poll sshd 5350 287485 1 0 3 0x100083 ttyin getty 6008 104180 1 0 3 0x88 poll sshd 87408 794 69621 74 3 0x100092 bpf pflogd 69621 182973 1 0 3 0x80 netio pflogd 11051 188831 97463 73 3 0x100090 kqread syslogd 97463 505121 1 0 3 0x100082 netio syslogd 91629 90874 1 0 3 0x100080 kqread resolvd 3055 327010 19062 77 3 0x100092 kqread dhcpleased 10960 304476 19062 77 3 0x100092 kqread dhcpleased 19062 192035 1 0 3 0x80 kqread dhcpleased 26189 504404 0 0 3 0x14200 bored smr 68990 292887 0 0 3 0x14200 pgzero zerothread 46669 96809 0 0 3 0x14200 aiodoned aiodoned 45570 465324 0 0 3 0x14200 syncer update 66834 407485 0 0 3 0x14200 cleaner cleaner 70637 369495 0 0 3 0x14200 reaper reaper 17619 351863 0 0 3 0x14200 pgdaemon pagedaemon 52106 281259 0 0 3 0x14200 bored viomb 45058 309042 0 0 3 0x40014200 acpi0 acpi0 34647 201264 0 0 3 0x40014200 idle1 89825 462299 0 0 3 0x14200 bored softnet 49494 235258 0 0 3 0x14200 bored systqmp 84048 308807 0 0 3 0x14200 bored systq 57294 261676 0 0 3 0x40014200 bored softclock 45548 230373 0 0 3 0x40014200 idle0 1 454007 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 95165 (syz-executor.2) thread 0xffff800021247508 (95568) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828f9c10) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416 #3 sleep_finish+0x1b2 sys/kern/kern_synch.c:433 #4 tsleep+0x12c sys/kern/kern_synch.c:158 #5 getblk+0x13c sys/kern/vfs_bio.c:1031 #6 bread+0x3a bio_doread sys/kern/vfs_bio.c:436 [inline] #6 bread+0x3a sys/kern/vfs_bio.c:481 #7 ffs_vget+0x204 sys/ufs/ffs/ffs_vfsops.c:1364 #8 ufs_lookup+0x122c sys/ufs/ufs/ufs_lookup.c:582 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 vn_open+0x105 sys/kern/vfs_vnops.c:146 #13 doopenat+0x26a sys/kern/vfs_syscalls.c:1128 #14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #15 Xsyscall+0x128 Process 3590 (syz-executor.3) thread 0xffff8000212482a0 (12750) exclusive rrwlock inode r = 0 (0xfffffd8067c424e0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3100 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806a63ca28) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3085 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10164 6469K 6790K 78643K 12281 0 pcb 13 8K 8K 78643K 67 0 rtable 121 4K 6K 78643K 285 0 ifaddr 56 12K 14K 78643K 164 0 sysctl 1 1K 1K 78643K 1 0 counters 48 34K 35K 78643K 90 0 ioctlops 0 0K 4K 78643K 1566 0 iov 0 0K 16K 78643K 56 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1232 77K 78K 78643K 1566 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 18 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 7 21K 45K 78643K 1077 0 sigio 0 0K 0K 78643K 4 0 proc 71 87K 123K 78643K 427 0 subproc 52 3K 3K 78643K 52 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 57 0 in_multi 42 2K 3K 78643K 112 0 ether_multi 1 0K 0K 78643K 16 0 mrt 0 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 2K 78643K 494 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 213 43K 56K 78643K 14173 0 UVM aobj 4 2K 2K 78643K 4 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 74 0 NDP 8 0K 1K 78643K 40 0 temp 70 4196K 4260K 78643K 6191 0 kqueue 10 14K 18K 78643K 53 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 36 0 33 1 0 1 1 0 8 0 rtentry 112 79 0 30 2 0 2 2 0 8 0 unpcb 136 275 0 260 1 0 1 1 0 8 0 syncache 296 13 0 13 3 3 0 1 0 8 0 tcpqe 32 96 0 96 2 2 0 1 0 8 0 tcpcb 736 152 0 143 5 3 2 3 0 8 0 arp 120 10 0 0 1 0 1 1 0 8 0 inpcb 304 377 0 368 2 1 1 2 0 8 0 nd6 48 15 0 5 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 kcovpl 48 4 0 0 1 0 1 1 0 8 0 pfstscr 40 8 0 8 2 2 0 1 0 8 0 pffrag 232 7 0 6 2 1 1 1 0 482 0 pffrnode 88 7 0 6 2 1 1 1 0 8 0 pffrent 40 14 0 13 2 1 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 pfrktable 1344 12 0 10 2 1 1 1 0 8 0 pftag 88 5 0 3 1 0 1 1 0 8 0 pfqueue 264 5 0 1 2 1 1 1 0 8 0 pfstitem 24 16 0 10 1 0 1 1 0 8 0 pfstkey 112 30 0 24 1 0 1 1 0 8 0 pfstate 320 22 0 16 2 0 2 2 0 8 1 pfrule 1360 57 0 45 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 348 0 153 15 1 14 15 0 8 0 art_table 32 349 0 153 2 0 2 2 0 8 0 art_node 16 78 0 34 1 0 1 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2759 0 1347 89 0 89 89 0 8 0 ffsino 272 2759 0 1347 95 0 95 95 0 8 0 nchpl 144 4147 0 2524 61 0 61 61 0 8 0 uvmvnodes 80 3034 0 0 62 0 62 62 0 8 0 vnodes 224 3034 0 0 179 0 179 179 0 8 0 namei 1024 10838 0 10837 1 0 1 1 0 8 0 percpumem 16 57 0 21 1 0 1 1 0 8 0 pfiaddrpl 120 7 0 3 2 1 1 1 0 8 0 scxspl 216 12621 0 12620 10 8 2 8 0 8 1 plimitpl 152 39 0 28 1 0 1 1 0 8 0 sigapl 424 1316 0 1281 5 0 5 5 0 8 0 futexpl 64 5533 0 5533 1 0 1 1 0 8 1 knotepl 112 70 0 0 2 0 2 2 0 8 0 kqueuepl 216 79 0 73 1 0 1 1 0 8 0 pipepl 336 145 0 129 2 0 2 2 0 8 0 fdescpl 496 1301 0 1281 4 1 3 4 0 8 0 filepl 152 4100 0 3949 7 0 7 7 0 8 1 lockfpl 104 124 0 122 1 0 1 1 0 8 0 lockfspl 48 51 0 49 1 0 1 1 0 8 0 sessionpl 144 20 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 11 1 0 1 1 0 8 0 ucredpl 96 566 0 554 1 0 1 1 0 8 0 zombiepl 144 1281 0 1279 1 0 1 1 0 8 0 processpl 1064 1316 0 1279 3 0 3 3 0 8 0 procpl 672 2473 0 2428 5 0 5 5 0 8 0 sosppl 168 5 0 4 1 0 1 1 0 8 0 sockpl 480 696 0 669 6 2 4 5 0 8 0 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 10 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 11 0 0 2 0 2 2 0 8 0 mcl2k 2048 167 0 0 20 0 20 20 0 8 0 mtagpl 96 96 0 0 3 0 3 3 0 8 0 mbufpl 256 508 0 0 32 1 31 31 0 8 0 bufpl 288 5181 0 145 360 0 360 360 0 8 0 anonpl 24 333029 0 319897 108 22 86 102 0 186 0 amapchunkpl 152 34106 0 33517 34 7 27 32 0 158 1 amappl16 200 4069 0 3675 35 13 22 32 0 8 0 amappl15 192 254 0 254 1 0 1 1 0 8 1 amappl14 184 265 0 262 1 0 1 1 0 8 0 amappl13 176 42 0 40 1 0 1 1 0 8 0 amappl12 168 24 0 21 1 0 1 1 0 8 0 amappl11 160 290 0 274 1 0 1 1 0 8 0 amappl10 152 315 0 303 1 0 1 1 0 8 0 amappl9 144 486 0 482 1 0 1 1 0 8 0 amappl8 136 629 0 596 2 0 2 2 0 8 0 amappl7 128 342 0 330 1 0 1 1 0 8 0 amappl6 120 155 0 140 1 0 1 1 0 8 0 amappl5 112 1199 0 1180 1 0 1 1 0 8 0 amappl4 104 1103 0 1077 1 0 1 1 0 8 0 amappl3 96 187 0 171 1 0 1 1 0 8 0 amappl2 88 359 0 321 2 1 1 2 0 8 0 amappl1 80 24753 0 24286 13 2 11 13 0 8 0 amappl 88 13810 0 13649 5 0 5 5 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1301 0 1281 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1301 0 1281 1 0 1 1 0 8 0 vmmpekpl 168 10792 0 10761 2 0 2 2 0 8 0 vmmpepl 168 118611 0 116879 102 14 88 98 0 357 2 vmsppl 368 1300 0 1281 3 0 3 3 0 8 1 rwobjpl 56 31694 0 27463 61 0 61 61 0 8 0 pdppl 4096 2610 0 2562 72 18 54 62 0 8 6 pvpl 32 689666 0 673080 183 31 152 171 0 265 2 pmappl 248 1300 0 1281 2 0 2 2 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 710 0 26 20 0 20 20 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82779ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:578 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff828f9a08) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828f9a08) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff800027b038f0,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f end of kernel end trace frame: 0x7f7fffff0f30, count: 8 ddb{0}> trace x86_ipi_db(ffffffff82779ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:578 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff828f9a08) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828f9a08) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff800027b038f0,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f end of kernel end trace frame: 0x7f7fffff0f30, count: -7 ddb{0}> machine ddbcpu 1 Stopped at pppacopen+0x1b5: movq %r13,0x668 pppacopen(4086331,1,2000,ffff800021247508) at pppacopen+0x1b5 sys/net/if_pppx.c:1020 spec_open(ffff8000211c9f18) at spec_open+0x3d7 sys/kern/spec_vnops.c:157 VOP_OPEN(fffffd80686105c8,1,fffffd807f7d7840,ffff800021247508) at VOP_OPEN+0x75 sys/kern/vfs_vops.c:138 vn_open(ffff8000211ca168,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183 doopenat(ffff800021247508,ffffff9c,20000100,0,0,ffff8000211ca350) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211ca3c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211ca3c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x93f384010e0, count: 8 ddb{1}> trace pppacopen(4086331,1,2000,ffff800021247508) at pppacopen+0x1b5 sys/net/if_pppx.c:1020 spec_open(ffff8000211c9f18) at spec_open+0x3d7 sys/kern/spec_vnops.c:157 VOP_OPEN(fffffd80686105c8,1,fffffd807f7d7840,ffff800021247508) at VOP_OPEN+0x75 sys/kern/vfs_vops.c:138 vn_open(ffff8000211ca168,1,0) at vn_open+0x467 sys/kern/vfs_vnops.c:183 doopenat(ffff800021247508,ffffff9c,20000100,0,0,ffff8000211ca350) at doopenat+0x26a sys/kern/vfs_syscalls.c:1128 syscall(ffff8000211ca3c0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211ca3c0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x93f384010e0, count: -7