panic: ffs_alloccg: map corrupted Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 473174 20979 0 0 0 0 syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8246efd2) at panic+0x15e sys/kern/subr_prf.c:218 ffs_mapsearch(ffff8000006aa800,ffff80000a3cf000,b65,8) at ffs_mapsearch+0x3f1 sys/ufs/ffs/ffs_alloc.c:1461 ffs_alloccgblk(fffffd8073190008,fffffd806f1d2018,59f45) at ffs_alloccgblk+0x2a6 sys/ufs/ffs/ffs_alloc.c:1060 ffs_alloccg(fffffd8073190008,0,59f45,4000) at ffs_alloccg+0x22a sys/ufs/ffs/ffs_alloc.c:966 ffs_realloccg(fffffd8073190008,0,59f45,1000,1800,fffffd807f7bfa80) at ffs_realloccg+0x6c4 ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:815 [inline] ffs_realloccg(fffffd8073190008,0,59f45,1000,1800,fffffd807f7bfa80) at ffs_realloccg+0x6c4 sys/ufs/ffs/ffs_alloc.c:289 ffs2_balloc(fffffd8073190008,ff0,30,fffffd807f7bfa80,1,ffff800023f43718) at ffs2_balloc+0x3be sys/ufs/ffs/ffs_balloc.c:547 ffs_write(ffff800023f437a0) at ffs_write+0x3cc sys/ufs/ffs/ffs_vnops.c:349 VOP_WRITE(fffffd8064e2e5b0,ffff800023f43838,23,fffffd807f7bfa80) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_rdwr(1,fffffd8064e2e5b0,ffff800023f43928,30,0,1) at vn_rdwr+0xef sys/kern/vfs_vnops.c:330 acct_process(ffff8000226fa518) at acct_process+0x5f6 sys/kern/kern_acct.c:242 exit1(ffff8000226fa518,0,0,1) at exit1+0x350 sys/kern/kern_exit.c:209 sys_exit(ffff8000226fa518,ffff800023f43a90,ffff800023f43ae0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800023f43b60) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023f43b60) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 end trace frame: 0xffff800023f43be0, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic ffs_alloccg: map corrupted ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8246efd2) at panic+0x15e sys/kern/subr_prf.c:218 ffs_mapsearch(ffff8000006aa800,ffff80000a3cf000,b65,8) at ffs_mapsearch+0x3f1 sys/ufs/ffs/ffs_alloc.c:1461 ffs_alloccgblk(fffffd8073190008,fffffd806f1d2018,59f45) at ffs_alloccgblk+0x2a6 sys/ufs/ffs/ffs_alloc.c:1060 ffs_alloccg(fffffd8073190008,0,59f45,4000) at ffs_alloccg+0x22a sys/ufs/ffs/ffs_alloc.c:966 ffs_realloccg(fffffd8073190008,0,59f45,1000,1800,fffffd807f7bfa80) at ffs_realloccg+0x6c4 ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:815 [inline] ffs_realloccg(fffffd8073190008,0,59f45,1000,1800,fffffd807f7bfa80) at ffs_realloccg+0x6c4 sys/ufs/ffs/ffs_alloc.c:289 ffs2_balloc(fffffd8073190008,ff0,30,fffffd807f7bfa80,1,ffff800023f43718) at ffs2_balloc+0x3be sys/ufs/ffs/ffs_balloc.c:547 ffs_write(ffff800023f437a0) at ffs_write+0x3cc sys/ufs/ffs/ffs_vnops.c:349 VOP_WRITE(fffffd8064e2e5b0,ffff800023f43838,23,fffffd807f7bfa80) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_rdwr(1,fffffd8064e2e5b0,ffff800023f43928,30,0,1) at vn_rdwr+0xef sys/kern/vfs_vnops.c:330 acct_process(ffff8000226fa518) at acct_process+0x5f6 sys/kern/kern_acct.c:242 exit1(ffff8000226fa518,0,0,1) at exit1+0x350 sys/kern/kern_exit.c:209 sys_exit(ffff8000226fa518,ffff800023f43a90,ffff800023f43ae0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800023f43b60) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023f43b60) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffb000, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800023f43190 rbx 0xffff800023f431a0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffff800023f43150 r9 0xffffffff81a4d0e6 kprintf+0x146 r10 0x1 r11 0x46504ba12109fefb r12 0x3000000008 r13 0xffff800023f43240 r14 0x100 r15 0x1 rip 0xffffffff81cc10e8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800023f43180 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=449706 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000226faef8,0xffff8000226fb180 process=0xffff800022f323f0 user=0xffff800023f3e000, vmspace=0xfffffd807effe000 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20979 473174 8472 0 7 0 syz-executor.0 20979 50129 8472 0 2 0x4000000 syz-executor.0 44537 417689 0 0 3 0x14200 acct acct 48885 121991 0 0 3 0x14280 nfsidl nfsio 3487 279441 0 0 3 0x14280 nfsidl nfsio 15755 124972 0 0 3 0x14280 nfsidl nfsio 90601 456078 0 0 3 0x14280 nfsidl nfsio 57189 244706 0 0 3 0x14280 nfsidl nfsio 21758 455365 0 0 3 0x14280 nfsidl nfsio 22246 314836 0 0 3 0x14280 nfsidl nfsio 18548 146568 0 0 3 0x14280 nfsidl nfsio 28417 464321 0 0 3 0x14280 nfsidl nfsio 8283 220538 0 0 3 0x14280 nfsidl nfsio 74510 388372 0 0 3 0x14280 nfsidl nfsio 55880 492188 0 0 3 0x14280 nfsidl nfsio 95551 513942 0 0 3 0x14280 nfsidl nfsio 26478 391648 0 0 3 0x14280 nfsidl nfsio 65139 277446 0 0 3 0x14280 nfsidl nfsio 39760 144778 0 0 3 0x14280 nfsidl nfsio 22884 168760 0 0 3 0x14280 nfsidl nfsio 77111 291602 0 0 3 0x14280 nfsidl nfsio 46718 418008 0 0 3 0x14280 nfsidl nfsio 43879 497638 0 0 3 0x14280 nfsidl nfsio 80970 389381 37245 0 3 0x82 nanosleep syz-executor.1 8472 160305 37245 0 3 0x82 nanosleep syz-executor.0 60903 466882 0 0 3 0x14200 bored sosplice 37245 268889 92896 0 3 0x82 thrsleep syz-fuzzer 37245 444836 92896 0 3 0x4000082 nanosleep syz-fuzzer 37245 450965 92896 0 3 0x4000082 thrsleep syz-fuzzer 37245 501145 92896 0 3 0x4000082 thrsleep syz-fuzzer 37245 304904 92896 0 3 0x4000082 kqread syz-fuzzer 37245 497234 92896 0 3 0x4000082 thrsleep syz-fuzzer 37245 418538 92896 0 3 0x4000082 thrsleep syz-fuzzer 37245 258227 92896 0 3 0x4000082 thrsleep syz-fuzzer 92896 226368 20531 0 3 0x10008a pause ksh 20531 480187 91000 0 3 0x92 select sshd 89627 225112 1 0 3 0x100083 ttyopn getty 91000 176452 1 0 3 0x80 select sshd 40325 522935 6419 74 3 0x100092 bpf pflogd 6419 167516 1 0 3 0x80 netio pflogd 88312 141926 34228 73 3 0x100090 kqread syslogd 34228 57460 1 0 3 0x100082 netio syslogd 56638 220452 1 77 3 0x100090 poll dhclient 36841 108816 1 0 3 0x80 poll dhclient 76630 175601 0 0 3 0x14200 bored smr 24956 286934 0 0 2 0x14200 zerothread 97244 82996 0 0 3 0x14200 aiodoned aiodoned 17348 128161 0 0 3 0x14200 syncer update 84849 475261 0 0 3 0x14200 cleaner cleaner 93859 498154 0 0 2 0x14200 reaper 85641 222255 0 0 3 0x14200 pgdaemon pagedaemon 62096 273964 0 0 3 0x14200 bored crynlk 87285 352656 0 0 3 0x14200 bored crypto 39503 266256 0 0 3 0x40014200 acpi0 acpi0 70627 265471 0 0 3 0x40014200 idle1 37872 38305 0 0 3 0x14200 bored softnet 56163 86057 0 0 3 0x14200 bored systqmp 17749 237502 0 0 3 0x14200 bored systq 48815 155198 0 0 3 0x40014200 bored softclock 76311 304197 0 0 3 0x40014200 idle0 1 107244 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9558 6569K 7342K 78643K 21506 0 pcb 13 8K 8K 78643K 499 0 rtable 95 6K 10K 78643K 1684 0 ifaddr 87 17K 18K 78643K 602 0 sysctl 2 0K 1K 78643K 9 0 counters 43 33K 34K 78643K 209 0 ioctlops 0 0K 4K 78643K 2203 0 iov 0 0K 24K 78643K 434 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 4824 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 80 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 938 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 9738 0 sigio 0 0K 0K 78643K 25 0 proc 64 63K 95K 78643K 1247 0 subproc 32 2K 2K 78643K 153 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 492 0 in_multi 29 2K 2K 78643K 449 0 ether_multi 1 0K 0K 78643K 83 0 mrt 0 0K 0K 78643K 61 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 79 360K 360K 78643K 79 0 exec 0 0K 2K 78643K 840 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 281 198K 200K 78643K 24056 0 UVM aobj 112 9K 9K 78643K 112 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 443 0 NDP 15 0K 0K 78643K 133 0 temp 149 3978K 4058K 78643K 48256 0 kqueue 3 4K 18K 78643K 435 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 arp 64 21 0 17 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 96 304 0 302 1 0 1 1 0 8 0 rtentry 112 210 0 181 2 0 2 2 0 8 0 unpcb 120 2612 0 2589 5 3 2 2 0 8 1 syncache 272 76 0 76 12 12 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 38 0 38 8 8 0 1 0 8 0 tcpcb 592 1566 0 1560 27 25 2 5 0 8 0 inpcb 296 4382 0 4351 9 6 3 3 0 8 0 rttmr 72 27 0 27 3 3 0 1 0 8 0 ip6q 72 4 0 4 1 1 0 1 0 8 0 ip6af 40 44 0 44 1 1 0 1 0 8 0 nd6 48 54 0 48 1 0 1 1 0 8 0 pkpcb 40 30 0 30 4 4 0 1 0 8 0 kcovpl 48 9 0 7 1 0 1 1 0 8 0 ppxss 1128 20 0 20 3 3 0 1 0 8 0 pfstscr 40 17 0 17 3 3 0 1 0 8 0 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 95 0 95 2 2 0 1 0 8 0 pfosfp 40 866 0 423 5 0 5 5 0 8 0 pfosfpen 112 1474 0 714 22 0 22 22 0 8 0 pfrktable 1344 133 0 126 4 3 1 2 0 8 0 pftag 88 6 0 6 2 2 0 1 0 8 0 pfstitem 24 78 0 76 1 0 1 1 0 8 0 pfstkey 112 110 0 108 2 1 1 2 0 8 0 pfstate 328 100 0 98 6 5 1 5 0 8 0 pfsrctr 152 168 0 168 1 1 0 1 0 8 0 pfrule 1360 120 0 89 6 2 4 4 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 865 0 711 14 3 11 13 0 8 0 art_table 32 866 0 711 2 0 2 2 0 8 0 art_node 16 209 0 186 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 934 0 924 1 0 1 1 0 8 0 shmpl 112 109 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 13864 0 12454 93 4 89 89 0 8 0 ffsino 272 13864 0 12454 95 0 95 95 0 8 0 nchpl 144 25553 0 23969 60 0 60 60 0 8 0 uvmvnodes 72 8587 0 0 157 0 157 157 0 8 0 vnodes 208 8587 0 0 452 0 452 452 0 8 0 namei 1024 64578 0 64578 1 0 1 1 0 8 1 percpumem 16 115 0 83 1 0 1 1 0 8 0 vcpupl 1984 16 0 0 2 0 2 2 0 8 0 vmpool 560 77 0 61 4 2 2 2 0 8 0 pfiaddrpl 120 42 0 31 2 1 1 1 0 8 0 scsiplug 72 11 0 11 2 2 0 1 0 8 0 scxspl 200 75164 0 75164 10 9 1 7 0 8 1 plimitpl 152 408 0 400 1 0 1 1 0 8 0 sigapl 424 9954 0 9900 7 0 7 7 0 8 1 futexpl 56 76145 0 76145 1 0 1 1 0 8 1 knotepl 112 595 0 575 1 0 1 1 0 8 0 kqueuepl 152 6198 0 6162 2 0 2 2 0 8 0 pipepl 304 590 0 579 15 13 2 2 0 8 0 fdescpl 496 9917 0 9901 3 0 3 3 0 8 0 filepl 152 36845 0 36743 10 4 6 7 0 8 2 lockfpl 104 1293 0 1292 1 0 1 1 0 8 0 lockfspl 48 539 0 538 1 0 1 1 0 8 0 sessionpl 120 25 0 14 1 0 1 1 0 8 0 pgrppl 48 79 0 68 1 0 1 1 0 8 0 ucredpl 96 4577 0 4568 1 0 1 1 0 8 0 zombiepl 144 9901 0 9900 1 0 1 1 0 8 0 processpl 1008 9954 0 9900 7 0 7 7 0 8 0 procpl 632 22258 0 22195 6 0 6 6 0 8 0 sosppl 144 138 0 137 10 9 1 1 0 8 0 sockpl 400 7340 0 7278 20 11 9 9 0 8 2 mcl64k 65536 37 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 26 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 19 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 374 0 0 17 0 17 17 0 8 0 mtagpl 96 355 0 0 6 0 6 6 0 8 0 mbufpl 256 1299 0 0 64 0 64 64 0 8 0 bufpl 280 18719 0 12444 449 0 449 449 0 8 0 anonpl 16 736896 0 726549 73 16 57 57 0 124 15 amapchunkpl 152 39271 0 39006 47 31 16 22 0 158 5 amappl16 192 30343 0 29953 49 22 27 27 0 8 7 amappl15 184 889 0 889 3 3 0 1 0 8 0 amappl14 176 6 0 2 1 0 1 1 0 8 0 amappl13 168 4649 0 4645 1 0 1 1 0 8 0 amappl12 160 1998 0 1988 1 0 1 1 0 8 0 amappl11 152 2067 0 2050 1 0 1 1 0 8 0 amappl10 144 282 0 276 1 0 1 1 0 8 0 amappl9 136 361 0 361 1 1 0 1 0 8 0 amappl8 128 551 0 393 6 0 6 6 0 8 0 amappl7 120 612 0 603 1 0 1 1 0 8 0 amappl6 112 2143 0 2114 1 0 1 1 0 8 0 amappl5 104 9484 0 9471 1 0 1 1 0 8 0 amappl4 96 6944 0 6904 2 0 2 2 0 8 1 amappl3 88 210 0 205 1 0 1 1 0 8 0 amappl2 80 70321 0 70229 3 1 2 3 0 8 0 amappl1 72 268064 0 267582 24 14 10 19 0 8 0 amappl 80 22800 0 22704 3 0 3 3 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 111 0 0 2 0 2 2 0 8 0 uaddrrnd 24 9994 0 9961 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9994 0 9961 1 0 1 1 0 8 0 vmmpekpl 168 47501 0 47455 4 1 3 3 0 8 0 vmmpepl 168 1217096 0 1215185 154 63 91 97 0 357 7 vmsppl 368 9993 0 9961 3 0 3 3 0 8 0 pdppl 4096 19995 0 19938 10 2 8 8 0 8 0 pvpl 32 3487445 0 3473874 279 134 145 145 0 265 35 pmappl 232 9993 0 9961 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 353 0 36 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8276dff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 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 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7fffffadc0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8276dff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 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 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f end of kernel end trace frame: 0x7f7fffffadc0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8246efd2) at panic+0x15e sys/kern/subr_prf.c:218 ffs_mapsearch(ffff8000006aa800,ffff80000a3cf000,b65,8) at ffs_mapsearch+0x3f1 sys/ufs/ffs/ffs_alloc.c:1461 ffs_alloccgblk(fffffd8073190008,fffffd806f1d2018,59f45) at ffs_alloccgblk+0x2a6 sys/ufs/ffs/ffs_alloc.c:1060 ffs_alloccg(fffffd8073190008,0,59f45,4000) at ffs_alloccg+0x22a sys/ufs/ffs/ffs_alloc.c:966 ffs_realloccg(fffffd8073190008,0,59f45,1000,1800,fffffd807f7bfa80) at ffs_realloccg+0x6c4 ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:815 [inline] ffs_realloccg(fffffd8073190008,0,59f45,1000,1800,fffffd807f7bfa80) at ffs_realloccg+0x6c4 sys/ufs/ffs/ffs_alloc.c:289 ffs2_balloc(fffffd8073190008,ff0,30,fffffd807f7bfa80,1,ffff800023f43718) at ffs2_balloc+0x3be sys/ufs/ffs/ffs_balloc.c:547 ffs_write(ffff800023f437a0) at ffs_write+0x3cc sys/ufs/ffs/ffs_vnops.c:349 VOP_WRITE(fffffd8064e2e5b0,ffff800023f43838,23,fffffd807f7bfa80) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_rdwr(1,fffffd8064e2e5b0,ffff800023f43928,30,0,1) at vn_rdwr+0xef sys/kern/vfs_vnops.c:330 acct_process(ffff8000226fa518) at acct_process+0x5f6 sys/kern/kern_acct.c:242 exit1(ffff8000226fa518,0,0,1) at exit1+0x350 sys/kern/kern_exit.c:209 sys_exit(ffff8000226fa518,ffff800023f43a90,ffff800023f43ae0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800023f43b60) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023f43b60) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 end trace frame: 0xffff800023f43be0, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8246efd2) at panic+0x15e sys/kern/subr_prf.c:218 ffs_mapsearch(ffff8000006aa800,ffff80000a3cf000,b65,8) at ffs_mapsearch+0x3f1 sys/ufs/ffs/ffs_alloc.c:1461 ffs_alloccgblk(fffffd8073190008,fffffd806f1d2018,59f45) at ffs_alloccgblk+0x2a6 sys/ufs/ffs/ffs_alloc.c:1060 ffs_alloccg(fffffd8073190008,0,59f45,4000) at ffs_alloccg+0x22a sys/ufs/ffs/ffs_alloc.c:966 ffs_realloccg(fffffd8073190008,0,59f45,1000,1800,fffffd807f7bfa80) at ffs_realloccg+0x6c4 ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:815 [inline] ffs_realloccg(fffffd8073190008,0,59f45,1000,1800,fffffd807f7bfa80) at ffs_realloccg+0x6c4 sys/ufs/ffs/ffs_alloc.c:289 ffs2_balloc(fffffd8073190008,ff0,30,fffffd807f7bfa80,1,ffff800023f43718) at ffs2_balloc+0x3be sys/ufs/ffs/ffs_balloc.c:547 ffs_write(ffff800023f437a0) at ffs_write+0x3cc sys/ufs/ffs/ffs_vnops.c:349 VOP_WRITE(fffffd8064e2e5b0,ffff800023f43838,23,fffffd807f7bfa80) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_rdwr(1,fffffd8064e2e5b0,ffff800023f43928,30,0,1) at vn_rdwr+0xef sys/kern/vfs_vnops.c:330 acct_process(ffff8000226fa518) at acct_process+0x5f6 sys/kern/kern_acct.c:242 exit1(ffff8000226fa518,0,0,1) at exit1+0x350 sys/kern/kern_exit.c:209 sys_exit(ffff8000226fa518,ffff800023f43a90,ffff800023f43ae0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800023f43b60) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023f43b60) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffffb000, count: -15