uvm_fault(0xffffffff83ac4c10, 0xffff800025de2048, 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 460434 15976 0 0x2 0x1 1 syz-executor *303697 68547 0 0x2 0x1 0K syz-executor ffs2_balloc(fffffd806c48a278,56819,50,fffffd80097fd0d0,1,ffff80002a2e5d98) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a2e5e20) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806119cc08,ffff80002a2e5ed0,3,fffffd80097fd0d0) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a2427d8,fffffd806119cc08,fffffd80097fd0d0,ffff80002a2e5fa0,ffff80002a2e5f80) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff80002a2427d8,5b,0,ffff80002a2e6070) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2427d8,5b,0,ffff80002a2e6070) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a2e6120) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a2e6120) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x765baa817880, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xffffffff83ac4c10, 0xffff800025de2048, 0, 1) -> d ddb{0}> trace ffs2_balloc(fffffd806c48a278,56819,50,fffffd80097fd0d0,1,ffff80002a2e5d98) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a2e5e20) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806119cc08,ffff80002a2e5ed0,3,fffffd80097fd0d0) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a2427d8,fffffd806119cc08,fffffd80097fd0d0,ffff80002a2e5fa0,ffff80002a2e5f80) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff80002a2427d8,5b,0,ffff80002a2e6070) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2427d8,5b,0,ffff80002a2e6070) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a2e6120) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a2e6120) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x765baa817880, count: -7 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a2e5d40 rbx 0 rdx 0 rcx 0xffff800025de2000 rax 0x9 r8 0xffffffffffffffff r9 0xffff80002a2e5d98 r10 0xbae961c63da238b6 r11 0x1618750f1e0ff5b4 r12 0x1 r13 0xffff800000c31800 r14 0xffff80002a2e5bd0 r15 0xfffffd805f1bc240 rip 0xffffffff81df6bbd ffs2_balloc+0xa0d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a2e5bc0 ss 0 ffs2_balloc+0xa0d: movq 0(%rcx,%rax,8),%r14 ddb{0}> show proc PROC (syz-executor) tid=303697 pid=68547 tcnt=1 stat=onproc flags process=2 proc=1 runpri=32, usrpri=79, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffc2a0,0xffff80002a242550 process=0xffff8000ffff39d0 user=0xffff80002a2e1000, vmspace=0xfffffd800b0637a0 estcpu=29, cpticks=24, pctcpu=0.9, user=0, sys=24, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76465 70010 93642 0 2 0 syz-executor 76465 90409 93642 0 3 0x4000080 fsleep syz-executor 41351 282575 50215 0 2 0 syz-executor 41351 516047 50215 0 3 0x4000000 smrbar syz-executor 2795 169335 89741 0 2 0 syz-executor 2795 47179 89741 0 2 0x4000000 syz-executor 2795 410419 89741 0 2 0x4000000 syz-executor 52941 435264 50940 0 2 0 syz-executor 52941 198859 50940 0 3 0x4000080 fsleep syz-executor 54140 372748 7684 0 2 0 syz-executor 54140 148076 7684 0 3 0x4000080 fsleep syz-executor 54140 137702 7684 0 3 0x4000080 fsleep syz-executor 54140 400888 7684 0 3 0x4000080 fsleep syz-executor 27659 139052 99956 0 2 0xc80 syz-executor 27659 285948 99956 0 3 0x4000080 lockf syz-executor 27659 115103 99956 0 3 0x4000080 fsleep syz-executor 89741 19135 25565 0 2 0xc82 syz-executor 50215 400140 25565 0 2 0xc82 syz-executor 7684 272671 25565 0 2 0xc82 syz-executor 99956 498271 25565 0 2 0xc82 syz-executor 15976 460434 25565 0 7 0x3 syz-executor 50940 120822 25565 0 2 0xc82 syz-executor *68547 303697 25565 0 7 0x3 syz-executor 93642 477126 25565 0 2 0xc82 syz-executor 25565 441901 84291 0 3 0x82 kqread syz-executor 84291 365458 44194 0 3 0x10008a sigsusp ksh 44194 103639 5210 0 3 0x98 kqread sshd-session 5210 407722 77784 0 3 0x92 kqread sshd-session 18497 413530 1 0 3 0x100083 ttyin getty 77784 293236 1 0 3 0x88 kqread sshd 38923 45554 82428 74 3 0x1100092 bpf pflogd 82428 335478 1 0 3 0x80 sbwait pflogd 54385 288159 29863 73 3 0x1100090 kqread syslogd 29863 410258 1 0 3 0x100082 sbwait syslogd 3462 187045 1 0 3 0x100080 kqread resolvd 72554 223847 34310 77 3 0x100092 kqread dhcpleased 51589 12078 34310 77 3 0x100092 kqread dhcpleased 34310 258158 1 0 3 0x80 kqread dhcpleased 70653 155244 0 0 3 0x14200 bored smr 93681 296142 0 0 2 0x14200 zerothread 44168 281179 0 0 3 0x14200 aiodoned aiodoned 72039 114186 0 0 3 0x14200 syncer update 1373 182971 0 0 3 0x14200 cleaner cleaner 72563 173874 0 0 3 0x14200 reaper reaper 17812 119372 0 0 3 0x14200 pgdaemon pagedaemon 46405 399775 0 0 3 0x14200 bored viomb 16598 203904 0 0 3 0x40014200 acpi0 acpi0 52606 500110 0 0 3 0x40014200 idle1 40656 246041 0 0 3 0x14200 bored softnet1 98148 413678 0 0 3 0x14200 bored softnet0 52047 29079 0 0 3 0x14200 bored systqmp 31986 340136 0 0 3 0x14200 bored systq 32646 430450 0 0 3 0x14200 tmoslp softclockmp 5226 248178 0 0 3 0x40014200 tmoslp softclock 84474 305321 0 0 3 0x40014200 idle0 1 302516 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 41351 (syz-executor) thread 0xffff800030ba7778 (516047) exclusive rwlock clonelk r = 0 (0xffffffff8387ae08) #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 if_clone_destroy+0x93 sys/net/if.c:-1 #3 ifioctl+0x59d sys/net/if.c:2160 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 Process 68547 (syz-executor) thread 0xffff80002a2427d8 (303697) exclusive rrwlock inode r = 0 (0xfffffd806c48a318) #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 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ktrwriteraw+0x175 sys/kern/kern_ktrace.c:688 #7 ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] #7 ktrsysret+0x192 sys/kern/kern_ktrace.c:209 #8 syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] #8 syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83aac500) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] #1 ktrsysret+0xde sys/kern/kern_ktrace.c:209 #2 syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] #2 syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 #3 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11057 12078K 12280K 166960K 12711 0 pcb 17 12K 12K 166960K 115 0 rtable 114 5K 8K 166960K 394 0 pf 27 16K 24K 166960K 165 0 ifaddr 23 3K 7K 166960K 49 0 ifgroup 39 1K 2K 166960K 66 0 sysctl 3 1K 9K 166960K 7 0 counters 62 36K 37K 166960K 78 0 ioctlops 0 0K 4K 166960K 1574 0 iov 0 0K 16K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1286 81K 82K 166960K 1710 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 11 0K 0K 166960K 17 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 738 0 sigio 0 0K 0K 166960K 13 0 proc 72 115K 164K 166960K 568 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 185 0 in_multi 41 3K 7K 166960K 129 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 418 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 240 175K 195K 166960K 8299 0 UVM aobj 5 2K 2K 166960K 7 0 pinsyscall 42 84K 104K 166960K 1895 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 9 0 NDP 8 0K 2K 166960K 31 0 temp 57 9083K 9151K 166960K 12559 0 kqueue 13 20K 24K 166960K 49 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 43 0 40 1 0 1 1 0 8 0 rtentry 176 120 0 76 6 0 6 6 0 8 0 unpcb 144 141 0 123 1 0 1 1 0 8 0 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 736 98 0 94 1 0 1 1 0 8 0 arp 136 22 0 12 1 0 1 1 0 8 0 inpcb 328 406 0 396 2 0 2 2 0 8 0 nd6 152 24 0 15 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 2 0 2 1 1 0 1 0 8 0 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 3 0 2 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 pfanchor 1288 4 0 0 1 0 1 1 0 8 0 pfstitem 24 41 0 7 1 0 1 1 0 8 0 pfstkey 128 41 0 4 2 0 2 2 0 8 0 pfstate 448 37 0 4 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 256 491 0 293 31 4 27 31 0 8 8 art_table 40 493 0 293 5 0 5 5 0 8 0 art_node 32 120 0 82 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 15 0 6 1 0 1 1 0 8 0 shmpl 112 4 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2452 0 993 93 0 93 93 0 8 0 ffsino 296 2452 0 993 114 0 114 114 0 8 0 nchpl 144 3421 0 1723 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 vnodes 216 2729 0 0 152 0 152 152 0 8 0 namei 1024 9950 0 9950 1 0 1 1 0 8 1 percpumem 16 54 0 8 1 0 1 1 0 8 0 kstatmem 264 34 0 14 3 1 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 32301 0 32301 11 3 8 8 1 8 8 plimitpl 152 102 0 84 1 0 1 1 0 8 0 sigapl 424 1054 0 1007 7 1 6 7 0 8 0 knotepl 120 304 0 0 10 0 10 10 0 8 1 kqueuepl 224 78 0 69 1 0 1 1 0 8 0 pipepl 344 139 0 112 3 0 3 3 0 8 0 fdescpl 528 1038 0 1007 3 0 3 3 0 8 0 filepl 160 3947 0 3727 12 2 10 12 0 8 0 lockfpl 104 138 0 134 1 0 1 1 0 8 0 lockfspl 48 62 0 59 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 104 690 0 676 1 0 1 1 0 8 0 zombiepl 144 1008 0 1007 1 0 1 1 0 8 0 processpl 1232 1054 0 1007 5 1 4 5 0 8 0 procpl 664 1832 0 1775 6 0 6 6 0 8 0 sockpl 752 593 0 562 4 0 4 4 0 8 0 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 115 0 0 15 0 15 15 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 170 0 0 11 0 11 11 0 8 0 bufpl 280 12868 0 6738 439 0 439 439 0 8 0 anonpl 32 15419 0 0 125 0 125 125 0 246 0 amapchunkpl 152 28518 0 28023 37 3 34 37 0 158 13 amappl16 200 5301 0 5273 38 23 15 26 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 458 0 457 1 0 1 1 0 8 0 amappl13 176 127 0 115 1 0 1 1 0 8 0 amappl12 168 1288 0 1258 2 0 2 2 0 8 0 amappl11 160 26 0 26 1 1 0 1 0 8 0 amappl10 152 77 0 63 1 0 1 1 0 8 0 amappl9 144 267 0 266 1 0 1 1 0 8 0 amappl8 136 103 0 101 1 0 1 1 0 8 0 amappl7 128 151 0 138 1 0 1 1 0 8 0 amappl6 120 162 0 160 1 0 1 1 0 8 0 amappl5 112 97 0 87 1 0 1 1 0 8 0 amappl4 104 298 0 280 1 0 1 1 0 8 0 amappl3 96 5345 0 5230 4 0 4 4 0 8 0 amappl2 88 541 0 480 2 0 2 2 0 8 0 amappl1 80 12676 0 12071 17 0 17 17 0 8 2 amappl 88 7482 0 7315 5 0 5 5 0 92 0 uvmvnodes 80 116 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 6 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1038 0 1007 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1038 0 1007 1 0 1 1 0 8 0 vmmpekpl 168 9546 0 9512 2 0 2 2 0 8 0 vmmpepl 168 78638 0 76721 106 2 104 106 0 357 9 vmsppl 488 1037 0 1007 5 0 5 5 0 8 1 rwobjpl 80 23840 0 22786 32 2 30 32 0 8 1 pdppl 4096 2083 0 2014 105 34 71 85 0 8 2 pvpl 32 24107 0 0 195 0 195 195 0 265 0 pmappl 256 1037 0 1007 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 283 0 41 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ffs2_balloc(fffffd806c48a278,56819,50,fffffd80097fd0d0,1,ffff80002a2e5d98) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a2e5e20) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806119cc08,ffff80002a2e5ed0,3,fffffd80097fd0d0) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a2427d8,fffffd806119cc08,fffffd80097fd0d0,ffff80002a2e5fa0,ffff80002a2e5f80) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsysret(ffff80002a2427d8,5b,0,ffff80002a2e6070) at ktrsysret+0x192 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2427d8,5b,0,ffff80002a2e6070) at ktrsysret+0x192 sys/kern/kern_ktrace.c:209 syscall(ffff80002a2e6120) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a2e6120) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x765baa817880, count: -7 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(ffffffff83aabd00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83aabd00) at __mp_lock+0x199 sys/kern/kern_lock.c:173 ktrsysret(ffff80002a242010,88,0,ffff80002a322660) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a242010,88,0,ffff80002a322660) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80002a322710) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a322710) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76d56b40d200, count: 8 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(ffffffff83aabd00) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83aabd00) at __mp_lock+0x199 sys/kern/kern_lock.c:173 ktrsysret(ffff80002a242010,88,0,ffff80002a322660) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a242010,88,0,ffff80002a322660) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80002a322710) at syscall+0xa51 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a322710) at syscall+0xa51 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76d56b40d200, count: -7