uvm_fault(0xfffffd806ccf4a20, 0x7d488207c18, 0, 1) -> e kernel: page fault trap, code=0 Stopped at _rb_remove+0x5a8: movl 0x18(%r15),%r14d TID PID UID PRFLAGS PFLAGS CPU COMMAND *325158 12468 0 0 0x4000000 0 syz-executor _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 rbe_remove_color sys/kern/subr_tree.c:271 [inline] _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 rbe_remove sys/kern/subr_tree.c:384 [inline] _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 sys/kern/subr_tree.c:395 brelse(fffffd800e003030) at brelse+0x2f9 sys/kern/vfs_bio.c:891 vinvalbuf(fffffd8064a5e5e8,2,fffffd8007ffd410,ffff8000338d7250,0,ffffffffffffffff) at vinvalbuf+0x539 sys/kern/vfs_subr.c:1997 ffs_truncate(fffffd806c929900,0,4,fffffd8007ffd410) at ffs_truncate+0xf41 sys/ufs/ffs/ffs_inode.c:-1 ffs_write(ffff80003c9d3b80) at ffs_write+0xb9a sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd8064a5e5e8,ffff80003c9d3d38,7,fffffd8007ffd410) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cc2f088,ffff80003c9d3d38,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000338d7250,3,ffff80003c9d3d38,0,ffff80003c9d3de0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff8000338d7250,ffff80003c9d3e90,ffff80003c9d3de0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c9d3e90) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9d3e90) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd40f1cc9d90, count: 4 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(0xfffffd806ccf4a20, 0x7d488207c18, 0, 1) -> e ddb> trace _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 rbe_remove_color sys/kern/subr_tree.c:271 [inline] _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 rbe_remove sys/kern/subr_tree.c:384 [inline] _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 sys/kern/subr_tree.c:395 brelse(fffffd800e003030) at brelse+0x2f9 sys/kern/vfs_bio.c:891 vinvalbuf(fffffd8064a5e5e8,2,fffffd8007ffd410,ffff8000338d7250,0,ffffffffffffffff) at vinvalbuf+0x539 sys/kern/vfs_subr.c:1997 ffs_truncate(fffffd806c929900,0,4,fffffd8007ffd410) at ffs_truncate+0xf41 sys/ufs/ffs/ffs_inode.c:-1 ffs_write(ffff80003c9d3b80) at ffs_write+0xb9a sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd8064a5e5e8,ffff80003c9d3d38,7,fffffd8007ffd410) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cc2f088,ffff80003c9d3d38,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000338d7250,3,ffff80003c9d3d38,0,ffff80003c9d3de0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff8000338d7250,ffff80003c9d3e90,ffff80003c9d3de0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c9d3e90) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9d3e90) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd40f1cc9d90, count: -11 ddb> show registers rdi 0x1 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c9d37a0 rbx 0xfffffd806c36d258 rdx 0xffff8000016b3e00 rcx 0xfffffd800e003030 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0 r9 0xffffffffffffffff r10 0 r11 0xadb2317816258ffb r12 0xfffffd8077cf8690 r13 0xffffffff8360f000 buf_rb_bufs_RBT_INFO r14 0x83871000 __kernel_virt_to_phys+0x3871000 r15 0x7d488207c00 rip 0xffffffff81adad18 _rb_remove+0x5a8 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80003c9d3720 ss 0 _rb_remove+0x5a8: movl 0x18(%r15),%r14d ddb> show proc PROC (syz-executor) tid=325158 pid=12468 tcnt=5 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=83, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a8f6d28,0xffff8000338d6d30 process=0xffff80002a7b3190 user=0xffff80003c9ce000, vmspace=0xfffffd806ccf4a20 estcpu=33, cpticks=3, pctcpu=0.1, user=0, sys=3, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 32836 465887 13957 0 3 0x80 nanoslp syz-executor 32836 506995 13957 0 3 0x4000080 rest syz-executor 32836 232673 13957 0 3 0x4000080 fsleep syz-executor 92831 198495 89460 0 2 0 syz-executor 92831 48127 89460 0 2 0x4000000 syz-executor 93547 268010 71319 0 2 0 syz-executor 93547 143590 71319 0 3 0x4000080 fsleep syz-executor 83527 476531 3064 0 2 0 syz-executor 83527 511335 3064 0 3 0x4000080 fsleep syz-executor 83527 524165 3064 0 3 0x4000080 fsleep syz-executor 12468 159230 95967 0 3 0x80 nanoslp syz-executor *12468 325158 95967 0 7 0x4000000 syz-executor 12468 312909 95967 0 3 0x4000000 inode syz-executor 12468 35036 95967 0 3 0x4000000 inode syz-executor 12468 268765 95967 0 3 0x4000080 fsleep syz-executor 95967 240994 70442 0 3 0x82 nanoslp syz-executor 43881 240421 0 0 3 0x14280 nfsidl nfsio 92669 390809 0 0 3 0x14280 nfsidl nfsio 71780 336568 0 0 3 0x14280 nfsidl nfsio 10310 62308 0 0 3 0x14280 nfsidl nfsio 42543 152160 0 0 3 0x14280 nfsidl nfsio 99207 419691 0 0 3 0x14280 nfsidl nfsio 9874 132895 0 0 3 0x14280 nfsidl nfsio 48487 181349 0 0 3 0x14280 nfsidl nfsio 12347 77438 0 0 3 0x14280 nfsidl nfsio 46600 356534 0 0 3 0x14280 nfsidl nfsio 52979 444609 0 0 3 0x14280 nfsidl nfsio 23253 404265 0 0 3 0x14280 nfsidl nfsio 68006 339922 0 0 3 0x14280 nfsidl nfsio 96100 341024 0 0 3 0x14280 nfsidl nfsio 22819 377222 0 0 3 0x14280 nfsidl nfsio 3999 339575 0 0 3 0x14280 nfsidl nfsio 74033 412832 0 0 3 0x14280 nfsidl nfsio 8623 117050 0 0 3 0x14280 nfsidl nfsio 70457 400620 0 0 3 0x14280 nfsidl nfsio 18783 509269 0 0 3 0x14280 nfsidl nfsio 34128 296887 0 0 3 0x14200 acct acct 85708 126791 1 0 3 0x100083 ttyopn getty 89460 510847 70442 0 2 0xc82 syz-executor 73585 223107 70442 0 3 0x82 piperd syz-executor 47380 510194 70442 0 3 0x82 wait syz-executor 3064 137383 70442 0 3 0x82 nanoslp syz-executor 62229 424674 70442 0 2 0x2 syz-executor 13957 276192 70442 0 3 0x82 nanoslp syz-executor 71319 132704 70442 0 3 0x82 nanoslp syz-executor 70442 487547 20686 0 3 0x82 nanoslp syz-executor 20686 239220 86109 0 3 0x10008a sigsusp ksh 86109 207871 41974 0 3 0x98 kqread sshd-session 41974 372612 40756 0 3 0x92 kqread sshd-session 40756 86816 1 0 3 0x88 kqread sshd 3443 260373 12771 73 3 0x1100090 kqread syslogd 12771 363761 1 0 3 0x100082 sbwait syslogd 83734 230871 1 0 3 0x100080 kqread resolvd 94288 449875 22594 77 3 0x100092 kqread dhcpleased 38067 164703 22594 77 3 0x100092 kqread dhcpleased 22594 346355 1 0 3 0x80 kqread dhcpleased 65353 57341 0 0 3 0x14200 bored smr 46831 275804 0 0 2 0x14200 zerothread 4245 225657 0 0 3 0x14200 aiodoned aiodoned 93506 477356 0 0 3 0x14200 syncer update 20635 246704 0 0 3 0x14200 cleaner cleaner 70079 170820 0 0 3 0x14200 reaper reaper 20007 276880 0 0 3 0x14200 pgdaemon pagedaemon 77621 162403 0 0 3 0x14200 bored viomb 85866 341436 0 0 3 0x40014200 acpi0 acpi0 93003 255004 0 0 2 0x14200 softnet0 59719 319059 0 0 3 0x14200 bored systqmp 86897 75377 0 0 3 0x14200 bored systq 83485 476074 0 0 3 0x40014200 tmoslp softclock 9033 509255 0 0 3 0x40014200 idle0 1 344360 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11056 12250K 12733K 166960K 13752 0 pcb 17 17K 19K 166960K 295 0 rtable 237 10K 11K 166960K 638 0 pf 31 13K 17K 166960K 131 0 ifaddr 38 7K 8K 166960K 94 0 ifgroup 43 1K 2K 166960K 148 0 sysctl 4 1K 9K 166960K 29 0 counters 32 17K 18K 166960K 116 0 ioctlops 0 0K 8K 166960K 432 0 iov 0 0K 16K 166960K 80 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1411 89K 89K 166960K 2615 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 95 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 85K 166960K 1025 0 sigio 0 0K 0K 166960K 19 0 proc 60 59K 91K 166960K 624 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 75 0 in_multi 88 6K 7K 166960K 146 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 500 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 215 143K 158K 166960K 10860 0 UVM aobj 33 14K 14K 166960K 35 0 pinsyscall 37 74K 92K 166960K 2149 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 53 0 NDP 10 0K 1K 166960K 63 0 temp 80 9076K 9141K 166960K 33266 0 kqueue 15 24K 34K 166960K 213 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 120 129 0 126 1 0 1 1 0 8 0 rtentry 136 160 0 67 4 0 4 4 0 8 0 unpcb 144 657 0 640 4 3 1 4 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpqe 32 8 0 8 1 1 0 1 0 8 0 tcpcb 736 244 0 239 1 0 1 1 0 8 0 arp 96 22 0 5 1 0 1 1 0 8 0 ipq 40 7 0 1 1 0 1 1 0 8 0 ipqe 40 13 0 4 1 0 1 1 0 8 0 inpcb 328 1164 0 1155 19 17 2 12 0 8 1 ip6q 72 7 0 2 1 0 1 1 0 8 0 ip6af 40 12 0 6 1 0 1 1 0 8 0 nd6 112 39 0 19 1 0 1 1 0 8 0 pkpcb 40 5 0 5 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1072 70 0 70 3 3 0 1 0 8 0 pppxif 1384 7 0 7 1 1 0 1 0 8 0 pfstscr 40 4 0 4 1 1 0 1 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfstlim 224 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 3 0 3 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 0 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 10 0 8 2 1 1 1 0 8 0 pfstate 384 5 0 4 2 1 1 1 0 8 0 pfrule 1360 6 0 6 2 2 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 648 0 228 30 3 27 30 0 8 0 art_table 40 652 0 228 5 0 5 5 0 8 0 art_node 32 158 0 74 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 14 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 91 0 81 1 0 1 1 0 8 0 shmpl 112 27 0 1 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 3568 0 2119 92 0 92 92 0 8 0 ffsino 256 3569 0 2119 92 0 92 92 0 8 0 nchpl 144 5041 0 3344 64 0 64 64 0 8 0 rtmask 32 7 0 7 1 1 0 1 0 8 0 vnodes 216 4262 0 0 237 0 237 237 0 8 0 namei 1024 17044 0 17041 2 1 1 1 0 8 0 vcpupl 3904 5 0 1 1 0 1 1 0 8 0 vmpool 808 5 0 1 1 0 1 1 0 8 0 kstatmem 264 88 0 68 3 1 2 3 0 8 0 scsiplug 72 4 0 4 1 1 0 1 0 8 0 scxspl 216 21661 0 21661 8 7 1 8 1 8 1 plimitpl 152 419 0 401 1 0 1 1 0 8 0 sigapl 424 1340 0 1278 8 0 8 8 0 8 0 knotepl 120 52855 0 52566 38 29 9 18 0 8 0 kqueuepl 184 366 0 354 5 4 1 3 0 8 0 pipepl 304 266 0 236 3 0 3 3 0 8 0 fdescpl 448 1305 0 1277 4 0 4 4 0 8 0 filepl 120 8953 0 8729 15 7 8 11 0 8 0 lockfpl 104 324 0 321 1 0 1 1 0 8 0 lockfspl 48 148 0 145 1 0 1 1 0 8 0 sessionpl 144 23 0 15 1 0 1 1 0 8 0 pgrppl 48 41 0 25 1 0 1 1 0 8 0 ucredpl 104 1906 0 1895 1 0 1 1 0 8 0 zombiepl 144 1354 0 1353 1 0 1 1 0 8 0 processpl 1152 1340 0 1278 5 0 5 5 0 8 0 procpl 664 2702 0 2630 7 0 7 7 0 8 0 sosppl 176 11 0 11 3 3 0 1 0 8 0 sockpl 552 1988 0 1959 17 14 3 12 0 8 0 mcl64k 65536 120 0 117 1 0 1 1 0 8 0 mcl16k 16384 3 5 3 1 1 0 1 0 8 0 mcl12k 12288 2 6 2 1 1 0 1 0 8 0 mcl9k 9216 3 1 3 1 1 0 1 0 8 0 mcl8k 8192 19 12 19 1 1 0 1 0 8 0 mcl4k 4096 3665 92 3611 14 7 7 14 0 8 0 mcl2k 2048 1107 0 1097 4 2 2 4 0 8 0 mtagpl 96 62 0 16 2 0 2 2 0 8 0 mbufpl 256 14254 0 14051 21 4 17 21 0 8 0 bufpl 280 7685 0 1467 445 0 445 445 0 8 0 bufpl: pool(0xffffffff839dc9a8:bufpl): page inconsistency: page 0x0; at page head addr 0xfffffd806c36df90 (p 0xfffffd806c36d000) anonpl 24 199330 0 191365 77 28 49 57 0 187 0 amapchunkpl 152 37235 0 36771 44 21 23 30 0 158 0 amappl16 200 3665 0 3352 34 17 17 17 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 424 0 423 1 0 1 1 0 8 0 amappl13 176 115 0 105 1 0 1 1 0 8 0 amappl12 168 1556 0 1529 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 75 0 65 1 0 1 1 0 8 0 amappl9 144 260 0 259 1 0 1 1 0 8 0 amappl8 136 102 0 101 1 0 1 1 0 8 0 amappl7 128 50 0 48 1 0 1 1 0 8 0 amappl6 120 263 0 252 1 0 1 1 0 8 0 amappl5 112 97 0 90 1 0 1 1 0 8 0 amappl4 104 448 0 414 2 1 1 2 0 8 0 amappl3 96 6295 0 6211 3 0 3 3 0 8 0 amappl2 88 1397 0 1331 2 0 2 2 0 8 0 amappl1 80 12742 0 12211 12 0 12 12 0 8 0 amappl 88 9976 0 9823 5 0 5 5 0 92 0 uvmvnodes 80 133 0 0 3 0 3 3 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 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 128 254 0 254 1 1 0 1 0 8 0 dma64 64 7 0 7 2 1 1 1 0 8 1 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 34 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1305 0 1277 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1305 0 1277 1 0 1 1 0 8 0 vmmpekpl 168 11521 0 11472 3 0 3 3 0 8 0 vmmpepl 168 86731 0 84689 105 11 94 94 0 357 0 vmsppl 368 1304 0 1277 4 1 3 4 0 8 0 rwobjpl 40 24159 0 22874 14 0 14 14 0 8 0 pdppl 4096 2626 0 2560 102 31 71 76 0 8 5 pvpl 32 575249 0 561683 188 74 114 133 0 265 1 pmappl 216 1309 0 1278 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 386 0 59 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 rbe_remove_color sys/kern/subr_tree.c:271 [inline] _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 rbe_remove sys/kern/subr_tree.c:384 [inline] _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 sys/kern/subr_tree.c:395 brelse(fffffd800e003030) at brelse+0x2f9 sys/kern/vfs_bio.c:891 vinvalbuf(fffffd8064a5e5e8,2,fffffd8007ffd410,ffff8000338d7250,0,ffffffffffffffff) at vinvalbuf+0x539 sys/kern/vfs_subr.c:1997 ffs_truncate(fffffd806c929900,0,4,fffffd8007ffd410) at ffs_truncate+0xf41 sys/ufs/ffs/ffs_inode.c:-1 ffs_write(ffff80003c9d3b80) at ffs_write+0xb9a sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd8064a5e5e8,ffff80003c9d3d38,7,fffffd8007ffd410) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cc2f088,ffff80003c9d3d38,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000338d7250,3,ffff80003c9d3d38,0,ffff80003c9d3de0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff8000338d7250,ffff80003c9d3e90,ffff80003c9d3de0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c9d3e90) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9d3e90) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd40f1cc9d90, count: -11 ddb> machine ddbcpu 1 No such command ddb> trace _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 rbe_remove_color sys/kern/subr_tree.c:271 [inline] _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 rbe_remove sys/kern/subr_tree.c:384 [inline] _rb_remove(ffffffff8360f000,fffffd8064a5e650,fffffd800e003030) at _rb_remove+0x5a8 sys/kern/subr_tree.c:395 brelse(fffffd800e003030) at brelse+0x2f9 sys/kern/vfs_bio.c:891 vinvalbuf(fffffd8064a5e5e8,2,fffffd8007ffd410,ffff8000338d7250,0,ffffffffffffffff) at vinvalbuf+0x539 sys/kern/vfs_subr.c:1997 ffs_truncate(fffffd806c929900,0,4,fffffd8007ffd410) at ffs_truncate+0xf41 sys/ufs/ffs/ffs_inode.c:-1 ffs_write(ffff80003c9d3b80) at ffs_write+0xb9a sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd8064a5e5e8,ffff80003c9d3d38,7,fffffd8007ffd410) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cc2f088,ffff80003c9d3d38,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000338d7250,3,ffff80003c9d3d38,0,ffff80003c9d3de0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff8000338d7250,ffff80003c9d3e90,ffff80003c9d3de0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c9d3e90) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9d3e90) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd40f1cc9d90, count: -11