uvm_fault(0xffffffff83a77d60, 0xffff80002uvm_fault(0xffffffff83a77d60, 0xffff800029ef6000, 0, 2) -> e kernel: page fault trap, code=2 Stopped at kcov_remote_enter+0x122: movq $0,0(%rcx) TID PID UID PRFLAGS PFLAGS CPU COMMAND *400491 8748 0 0x2 0x1 0 syz-executor kcov_remote_enter(0,ffff80002a7ad210) at kcov_remote_enter+0x122 sys/dev/kcov.c:670 timeout_run(ffffffff83892ae0,ffff80002a747030) at timeout_run+0xdf sys/kern/kern_timeout.c:696 softclock_process_tick_timeout(ffff80002a747030,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87 dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 cnputc(32) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(32) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833bc071) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8347989b) at fault+0xa3 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80002a8b7230,ffff800029da2198) at kpageflttrap+0x353 sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80002a8b7230) at kerntrap+0x18a sys/arch/amd64/amd64/trap.c:528 end trace frame: 0xffff80002a8b72b0, count: 0 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(0xffffffff83a77d60, 0xffff800029ef6000, 0, 2) -> e ddb> trace kcov_remote_enter(0,ffff80002a7ad210) at kcov_remote_enter+0x122 sys/dev/kcov.c:670 timeout_run(ffffffff83892ae0,ffff80002a747030) at timeout_run+0xdf sys/kern/kern_timeout.c:696 softclock_process_tick_timeout(ffff80002a747030,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87 dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 cnputc(32) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(32) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833bc071) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8347989b) at fault+0xa3 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80002a8b7230,ffff800029da2198) at kpageflttrap+0x353 sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80002a8b7230) at kerntrap+0x18a sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b ffs2_balloc(fffffd806cb69100,ff764,50,fffffd8007ffd478,1,ffff80002a8b74a8) at ffs2_balloc+0xa0a sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a8b7530) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806a4f1050,ffff80002a8b75e0,3,fffffd8007ffd478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a747230,fffffd806a4f1050,fffffd8007ffd478,ffff80002a8b76b0,ffff80002a8b7690) at ktrwriteraw+0x19b sys/kern/kern_ktrace.c:691 ktrsysret(ffff80002a747230,5b,0,ffff80002a8b7770) at ktrsysret+0x17f ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a747230,5b,0,ffff80002a8b7770) at ktrsysret+0x17f sys/kern/kern_ktrace.c:209 syscall(ffff80002a8b7820) at syscall+0xad9 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a8b7820) at syscall+0xad9 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7528c5b6bc60, count: -22 ddb> show registers rdi 0 rsi 0xffff800000c16c00 rbp 0xffff80002a8b6cc0 rbx 0xffff80002a7ad210 rdx 0xffff80002a747230 rcx 0xffff800029ef6000 rax 0xfffffd806ccafe40 r8 0x101010101010101 r9 0x8080808080808080 r10 0x6822b8de166d272c r11 0x1d3523e577f01c99 r12 0xffffffff81e09a90 endtsleep r13 0xffff80002a746f98 r14 0xffff80002a7ad210 r15 0 rip 0xffffffff819078c2 kcov_remote_enter+0x122 cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80002a8b6ca0 ss 0x10 kcov_remote_enter+0x122: movq $0,0(%rcx) ddb> show proc PROC (syz-executor) tid=400491 pid=8748 tcnt=1 stat=onproc flags process=2 proc=1 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7467d0,0xffff80002a780fc0 process=0xffff80002a7af190 user=0xffff80002a8b2000, vmspace=0xfffffd807ece55c0 estcpu=36, cpticks=7, pctcpu=0.1, user=0, sys=6, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 14206 94402 16365 0 2 0x100000 sh 20866 91272 56423 0 2 0 syz-executor 20866 276531 56423 0 2 0x4000000 syz-executor 16365 152064 99396 0 3 0x10008a sigsusp sh 28642 133555 61502 0 2 0 syz-executor 28642 2602 61502 0 3 0x4000080 kqsel syz-executor 28642 347929 61502 0 3 0x4000080 fsleep syz-executor 28642 69284 61502 0 3 0x4000080 fsleep syz-executor 54394 212780 67112 0 2 0 syz-executor 54394 60914 67112 0 3 0x4000080 fsleep syz-executor 21168 171323 8748 0 2 0 syz-executor 21168 235550 8748 0 3 0x4000080 fsleep syz-executor 99323 318402 32594 0 2 0 syz-executor 99323 361647 32594 0 2 0x4000000 syz-executor 71744 99708 80663 0 2 0 syz-executor 71744 241632 80663 0 3 0x4000000 physio syz-executor 1223 461231 57087 0 2 0 syz-executor 1223 410436 57087 0 3 0x4000080 fsleep syz-executor 99396 90995 12921 0 3 0x82 wait syz-executor 57087 272871 12921 0 2 0xc82 syz-executor 52736 180238 0 0 3 0x14200 acct acct * 8748 400491 12921 0 7 0x3 syz-executor 56423 513013 12921 0 3 0x82 nanoslp syz-executor 32594 372474 12921 0 3 0x82 nanoslp syz-executor 80663 17252 12921 0 3 0x82 nanoslp syz-executor 61502 403548 12921 0 2 0xc82 syz-executor 67112 38635 12921 0 3 0x82 nanoslp syz-executor 12921 374922 60953 0 3 0x82 kqread syz-executor 60953 24963 9143 0 3 0x10008a sigsusp ksh 9143 355269 86115 0 3 0x98 kqread sshd-session 86115 495505 9792 0 3 0x92 kqread sshd-session 21453 45511 1 0 3 0x100083 ttyin getty 9792 298794 1 0 3 0x88 kqread sshd 76480 454466 54727 73 3 0x1100090 kqread syslogd 54727 107242 1 0 3 0x100082 sbwait syslogd 70982 235257 1 0 3 0x100080 kqread resolvd 45293 316208 92704 77 3 0x100092 kqread dhcpleased 75350 187771 92704 77 3 0x100092 kqread dhcpleased 92704 312655 1 0 3 0x80 kqread dhcpleased 3086 88501 0 0 3 0x14200 bored smr 1173 139760 0 0 2 0x14200 zerothread 59596 451513 0 0 3 0x14200 aiodoned aiodoned 53430 134694 0 0 3 0x14200 syncer update 10606 401999 0 0 3 0x14200 cleaner cleaner 13812 231147 0 0 3 0x14200 reaper reaper 36922 342149 0 0 3 0x14200 pgdaemon pagedaemon 50348 288158 0 0 3 0x14200 bored viomb 41301 380606 0 0 3 0x40014200 acpi0 acpi0 41799 508317 0 0 3 0x14200 bored softnet0 83450 9837 0 0 3 0x14200 bored systqmp 56730 106095 0 0 3 0x14200 bored systq 85743 472174 0 0 3 0x40014200 tmoslp softclock 73923 14178 0 0 3 0x40014200 idle0 1 262926 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 11043 12122K 12497K 166960K 12932 0 pcb 17 14K 16K 166960K 188 0 rtable 229 8K 9K 166960K 771 0 pf 35 14K 17K 166960K 107 0 ifaddr 45 8K 8K 166960K 108 0 ifgroup 52 2K 2K 166960K 135 0 sysctl 4 1K 9K 166960K 10 0 counters 35 18K 18K 166960K 61 0 ioctlops 0 0K 4K 166960K 128 0 iov 1 12K 16K 166960K 18 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1430 90K 90K 166960K 2076 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 20K 24K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 28 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 93K 166960K 727 0 sigio 0 0K 0K 166960K 3 0 proc 60 59K 100K 166960K 838 0 subproc 72 4K 4K 166960K 171 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 46 0 in_multi 94 6K 7K 166960K 244 0 ether_multi 1 0K 0K 166960K 9 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 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 562 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 233 157K 169K 166960K 7589 0 UVM aobj 21 4K 4K 166960K 23 0 pinsyscall 40 80K 95K 166960K 2105 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 19 0 NDP 12 0K 2K 166960K 69 0 temp 55 9070K 9135K 166960K 29463 0 kqueue 14 22K 28K 166960K 91 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 88 0 85 1 0 1 1 0 8 0 rtentry 136 245 0 151 4 0 4 4 0 8 0 unpcb 144 402 0 385 2 0 2 2 0 8 1 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 736 158 0 152 4 0 4 4 0 8 3 arp 96 41 0 24 1 0 1 1 0 8 0 ipq 40 4 0 1 1 0 1 1 0 8 0 ipqe 40 7 0 3 1 0 1 1 0 8 0 inpcb 328 507 0 497 7 0 7 7 0 8 5 ip6q 72 3 0 1 1 0 1 1 0 8 0 ip6af 40 5 0 3 1 0 1 1 0 8 0 nd6 112 60 0 39 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 19 0 11 1 0 1 1 0 8 0 ppxss 1072 10 0 8 1 0 1 1 0 8 0 pppxif 1416 2 0 2 1 0 1 1 0 8 1 pfrke_plain 168 2 0 2 1 0 1 1 0 8 1 pfrktable 1344 4 0 4 1 0 1 1 0 8 1 pfsrclim 320 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 1 0 1 1 0 1 1 0 8 1 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 0 1 0 1 1 0 8 0 pfstate 384 1 0 0 1 0 1 1 0 8 0 pfrule 1360 5 0 4 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1016 0 604 32 0 32 32 0 8 5 art_table 40 1019 0 604 6 0 6 6 0 8 0 art_node 32 245 0 162 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 20 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2433 0 952 93 0 93 93 0 8 0 ffsino 256 2433 0 952 93 0 93 93 0 8 0 nchpl 144 3268 0 1541 64 0 64 64 0 8 0 rtmask 32 6 0 6 1 0 1 1 0 8 1 vnodes 216 2627 0 0 146 0 146 146 0 8 0 namei 1024 11929 0 11929 2 0 2 2 0 8 2 pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1 kstatmem 264 66 0 42 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 17279 0 17278 8 0 8 8 1 8 7 plimitpl 152 143 0 126 1 0 1 1 0 8 0 sigapl 424 1002 0 957 6 0 6 6 0 8 0 knotepl 120 282312 0 282264 10 0 10 10 0 8 8 kqueuepl 184 220 0 208 4 0 4 4 0 8 3 pipepl 304 173 0 146 3 0 3 3 0 8 0 fdescpl 448 988 0 957 5 0 5 5 0 8 1 filepl 120 5251 0 5034 11 0 11 11 0 8 4 lockfpl 104 328 0 324 2 0 2 2 0 8 1 lockfspl 48 121 0 117 1 0 1 1 0 8 0 sessionpl 144 49 0 41 1 0 1 1 0 8 0 pgrppl 48 71 0 55 1 0 1 1 0 8 0 ucredpl 104 829 0 818 1 0 1 1 0 8 0 zombiepl 144 957 0 957 1 0 1 1 0 8 1 processpl 1152 1002 0 957 4 0 4 4 0 8 0 procpl 664 1698 0 1644 6 0 6 6 0 8 1 sosppl 176 4 0 4 1 0 1 1 0 8 1 sockpl 552 1019 0 988 8 0 8 8 0 8 4 mcl64k 65536 69 0 68 1 0 1 1 0 8 0 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 3131 0 3082 14 0 14 14 0 8 6 mcl2k 2048 748 0 743 2 0 2 2 0 8 1 mtagpl 96 21 0 10 1 0 1 1 0 8 0 mbufpl 256 9240 0 9064 14 0 14 14 0 8 1 bufpl 280 7565 0 1350 445 0 445 445 0 8 0 anonpl 24 187446 0 179028 99 0 99 99 0 187 11 amapchunkpl 152 24463 0 23907 33 0 33 33 0 158 11 amappl16 200 4162 0 3884 39 0 39 39 0 8 7 amappl15 192 7 0 7 1 0 1 1 0 8 1 amappl14 184 543 0 540 1 0 1 1 0 8 0 amappl13 176 136 0 126 1 0 1 1 0 8 0 amappl12 168 1283 0 1253 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 0 1 1 0 8 1 amappl10 152 66 0 56 1 0 1 1 0 8 0 amappl9 144 256 0 255 1 0 1 1 0 8 0 amappl8 136 146 0 144 1 0 1 1 0 8 0 amappl7 128 165 0 153 1 0 1 1 0 8 0 amappl6 120 278 0 275 1 0 1 1 0 8 0 amappl5 112 100 0 91 1 0 1 1 0 8 0 amappl4 104 302 0 286 1 0 1 1 0 8 0 amappl3 96 4690 0 4577 4 0 4 4 0 8 1 amappl2 88 617 0 562 2 0 2 2 0 8 0 amappl1 80 13046 0 12485 15 0 15 15 0 8 2 amappl 88 6631 0 6463 5 0 5 5 0 92 0 uvmvnodes 80 112 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 6 0 6 1 0 1 1 0 8 1 dma128 128 254 0 254 1 0 1 1 0 8 1 dma64 64 7 0 7 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 22 0 2 1 0 1 1 0 8 0 uaddrrnd 24 988 0 957 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 988 0 957 1 0 1 1 0 8 0 vmmpekpl 168 9352 0 9306 3 0 3 3 0 8 0 vmmpepl 168 74634 0 72540 112 0 112 112 0 357 8 vmsppl 368 987 0 957 4 0 4 4 0 8 1 rwobjpl 40 23074 0 21824 18 0 18 18 0 8 0 pdppl 4096 1982 0 1914 112 44 68 80 0 8 0 pvpl 32 456215 0 442281 187 0 187 187 0 265 21 pmappl 216 987 0 957 3 0 3 3 0 8 1 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 389 0 44 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace kcov_remote_enter(0,ffff80002a7ad210) at kcov_remote_enter+0x122 sys/dev/kcov.c:670 timeout_run(ffffffff83892ae0,ffff80002a747030) at timeout_run+0xdf sys/kern/kern_timeout.c:696 softclock_process_tick_timeout(ffff80002a747030,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87 dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 cnputc(32) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(32) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833bc071) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8347989b) at fault+0xa3 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80002a8b7230,ffff800029da2198) at kpageflttrap+0x353 sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80002a8b7230) at kerntrap+0x18a sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b ffs2_balloc(fffffd806cb69100,ff764,50,fffffd8007ffd478,1,ffff80002a8b74a8) at ffs2_balloc+0xa0a sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a8b7530) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806a4f1050,ffff80002a8b75e0,3,fffffd8007ffd478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a747230,fffffd806a4f1050,fffffd8007ffd478,ffff80002a8b76b0,ffff80002a8b7690) at ktrwriteraw+0x19b sys/kern/kern_ktrace.c:691 ktrsysret(ffff80002a747230,5b,0,ffff80002a8b7770) at ktrsysret+0x17f ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a747230,5b,0,ffff80002a8b7770) at ktrsysret+0x17f sys/kern/kern_ktrace.c:209 syscall(ffff80002a8b7820) at syscall+0xad9 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a8b7820) at syscall+0xad9 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7528c5b6bc60, count: -22 ddb> machine ddbcpu 1 No such command ddb> trace kcov_remote_enter(0,ffff80002a7ad210) at kcov_remote_enter+0x122 sys/dev/kcov.c:670 timeout_run(ffffffff83892ae0,ffff80002a747030) at timeout_run+0xdf sys/kern/kern_timeout.c:696 softclock_process_tick_timeout(ffff80002a747030,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87 dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 cnputc(32) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(32) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833bc071) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8347989b) at fault+0xa3 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80002a8b7230,ffff800029da2198) at kpageflttrap+0x353 sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80002a8b7230) at kerntrap+0x18a sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b ffs2_balloc(fffffd806cb69100,ff764,50,fffffd8007ffd478,1,ffff80002a8b74a8) at ffs2_balloc+0xa0a sys/ufs/ffs/ffs_balloc.c:614 ffs_write(ffff80002a8b7530) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806a4f1050,ffff80002a8b75e0,3,fffffd8007ffd478) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a747230,fffffd806a4f1050,fffffd8007ffd478,ffff80002a8b76b0,ffff80002a8b7690) at ktrwriteraw+0x19b sys/kern/kern_ktrace.c:691 ktrsysret(ffff80002a747230,5b,0,ffff80002a8b7770) at ktrsysret+0x17f ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a747230,5b,0,ffff80002a8b7770) at ktrsysret+0x17f sys/kern/kern_ktrace.c:209 syscall(ffff80002a8b7820) at syscall+0xad9 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a8b7820) at syscall+0xad9 sys/arch/amd64/amd64/trap.c:804 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7528c5b6bc60, count: -22