panic: kernel diagnostic assertion "ISSET(bp->b_flags, B_BC)" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_bio.c", line 1683 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *165922 46982 0 0x8000000 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8293068a) at panic+0x165 sys/kern/subr_prf.c:198 __assert(ffffffff828e3ebb,ffffffff8292f650,693,ffffffff828d0a8c) at __assert+0x29 sys/kern/subr_prf.c:157 bufcache_take(fffffd8062090140) at bufcache_take+0x254 sys/kern/vfs_bio.c:1684 vinvalbuf(fffffd8069384370,2,ffffffffffffffff,ffff80002a6bed00,0,ffffffffffffffff) at vinvalbuf+0x379 sys/kern/vfs_subr.c:2016 ffs_truncate(fffffd806ba2cd28,0,0,ffffffffffffffff) at ffs_truncate+0xb99 ufs_inactive(ffff8000378336a8) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8069384370,ffff80002a6bed00) at VOP_INACTIVE+0xbf sys/kern/vfs_vops.c:489 vrele(fffffd8069384370) at vrele+0xcc sys/kern/vfs_subr.c:827 ktrsettrace(ffff8000ffff8008,80000d30,fffffd8072f0a638,fffffd807f7d7820) at ktrsettrace+0xb6 sys/kern/kern_ktrace.c:122 ktrops(ffff80002a6bed00,ffff8000ffff8008,0,80000d30,fffffd8072f0a638,fffffd807f7d7820) at ktrops+0x1ae sys/kern/kern_ktrace.c:564 doktrace(fffffd8072f0a638,4,d30,0,ffff80002a6bed00) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8072f0a638,4,d30,0,ffff80002a6bed00) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6bed00,ffff800037833b10,ffff800037833a60) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800037833b10) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800037833b90, 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: kernel diagnostic assertion "ISSET(bp->b_flags, B_BC)" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_bio.c", line 1683 ddb> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8293068a) at panic+0x165 sys/kern/subr_prf.c:198 __assert(ffffffff828e3ebb,ffffffff8292f650,693,ffffffff828d0a8c) at __assert+0x29 sys/kern/subr_prf.c:157 bufcache_take(fffffd8062090140) at bufcache_take+0x254 sys/kern/vfs_bio.c:1684 vinvalbuf(fffffd8069384370,2,ffffffffffffffff,ffff80002a6bed00,0,ffffffffffffffff) at vinvalbuf+0x379 sys/kern/vfs_subr.c:2016 ffs_truncate(fffffd806ba2cd28,0,0,ffffffffffffffff) at ffs_truncate+0xb99 ufs_inactive(ffff8000378336a8) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8069384370,ffff80002a6bed00) at VOP_INACTIVE+0xbf sys/kern/vfs_vops.c:489 vrele(fffffd8069384370) at vrele+0xcc sys/kern/vfs_subr.c:827 ktrsettrace(ffff8000ffff8008,80000d30,fffffd8072f0a638,fffffd807f7d7820) at ktrsettrace+0xb6 sys/kern/kern_ktrace.c:122 ktrops(ffff80002a6bed00,ffff8000ffff8008,0,80000d30,fffffd8072f0a638,fffffd807f7d7820) at ktrops+0x1ae sys/kern/kern_ktrace.c:564 doktrace(fffffd8072f0a638,4,d30,0,ffff80002a6bed00) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8072f0a638,4,d30,0,ffff80002a6bed00) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6bed00,ffff800037833b10,ffff800037833a60) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800037833b10) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c152794630, count: -15 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff800037833260 rbx 0 rdx 0xffff800000e3b400 rcx 0 rax 0xffff80002a6bed00 r8 0x101010101010101 r9 0x8080808080808080 r10 0x884b0e01338faeed r11 0x757b32d161e140a9 r12 0 r13 0xfffffd8062090140 r14 0 r15 0x1 rip 0xffffffff82343fac db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800037833250 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) tid=165922 pid=46982 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=17, usrpri=63, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a6bf9d0,0xffff80002a6ccd18 process=0xffff8000349ddd68 user=0xffff80003782e000, vmspace=0xfffffd8069605978 estcpu=13, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 67228 449945 67403 0 2 0x8000000 syz-executor.6 67228 482069 67403 0 3 0xc000080 fsleep syz-executor.6 67228 253726 67403 0 3 0xc000080 fsleep syz-executor.6 71947 195954 0 0 3 0x14200 acct acct 83039 231995 57953 0 2 0x8000000 syz-executor.3 83039 333598 57953 0 3 0xc000080 fsleep syz-executor.3 44803 111447 60452 0 2 0x8000000 syz-executor.7 44803 395341 60452 0 3 0xc000080 ttyin syz-executor.7 99245 489459 39147 0 2 0x8000000 syz-executor.5 99245 295389 39147 0 3 0xc000080 fsleep syz-executor.5 99245 363487 39147 0 3 0xc000080 kqsel syz-executor.5 99245 289201 39147 0 3 0xc000080 fsleep syz-executor.5 46982 479908 59230 0 2 0x8000000 syz-executor.0 *46982 165922 59230 0 7 0xc000000 syz-executor.0 82680 489057 34114 0 2 0x8000000 syz-executor.2 82680 218097 34114 0 3 0xc000080 kqsel syz-executor.2 82680 161586 34114 0 2 0xc000000 syz-executor.2 39147 142727 69715 0 3 0x8000082 nanoslp syz-executor.5 98893 69206 69715 0 3 0x8000082 nanoslp syz-executor.4 17269 430612 0 0 3 0x14280 nfsidl nfsio 64196 495926 0 0 3 0x14280 nfsidl nfsio 52226 90908 0 0 3 0x14280 nfsidl nfsio 18577 217204 0 0 3 0x14280 nfsidl nfsio 67917 373919 0 0 3 0x14280 nfsidl nfsio 42946 102946 0 0 3 0x14280 nfsidl nfsio 65444 362168 0 0 3 0x14280 nfsidl nfsio 12487 306912 0 0 3 0x14280 nfsidl nfsio 61931 47198 0 0 3 0x14280 nfsidl nfsio 63698 260125 0 0 3 0x14280 nfsidl nfsio 89357 460757 0 0 3 0x14280 nfsidl nfsio 73810 377875 0 0 3 0x14280 nfsidl nfsio 67771 48582 0 0 3 0x14280 nfsidl nfsio 78629 188766 0 0 3 0x14280 nfsidl nfsio 8458 100435 0 0 3 0x14280 nfsidl nfsio 96338 65084 0 0 3 0x14280 nfsidl nfsio 33195 408547 0 0 3 0x14280 nfsidl nfsio 55086 123724 0 0 3 0x14280 nfsidl nfsio 97641 415473 0 0 3 0x14280 nfsidl nfsio 67196 222098 0 0 3 0x14280 nfsidl nfsio 34114 357701 69715 0 3 0x8000082 nanoslp syz-executor.2 51792 302275 1 0 3 0x18100083 ttyin getty 57953 210946 69715 0 3 0x8000082 nanoslp syz-executor.3 59230 388243 69715 0 3 0x8000082 nanoslp syz-executor.0 60452 411983 69715 0 3 0x8000082 nanoslp syz-executor.7 79353 283756 0 0 3 0x14200 bored sosplice 67403 323960 69715 0 3 0x8000082 nanoslp syz-executor.6 40822 474495 69715 0 2 0x8000002 syz-executor.1 69715 488098 13490 0 3 0x1a000082 wait syz-fuzzer 69715 90419 13490 0 2 0x1e000002 syz-fuzzer 69715 389763 13490 0 3 0x1e000082 thrsleep syz-fuzzer 69715 218958 13490 0 3 0x1e000082 wait syz-fuzzer 69715 44149 13490 0 3 0x1e000082 wait syz-fuzzer 69715 479969 13490 0 3 0x1e000082 wait syz-fuzzer 69715 453017 13490 0 3 0x1e000082 wait syz-fuzzer 69715 32798 13490 0 3 0x1e000082 thrsleep syz-fuzzer 69715 138540 13490 0 3 0x1e000082 thrsleep syz-fuzzer 69715 201074 13490 0 3 0x1e000082 thrsleep syz-fuzzer 69715 115544 13490 0 3 0x1e000082 wait syz-fuzzer 69715 119192 13490 0 3 0x1e000082 thrsleep syz-fuzzer 69715 306879 13490 0 3 0x1e000082 wait syz-fuzzer 69715 261393 13490 0 3 0x1e000082 wait syz-fuzzer 69715 493702 13490 0 3 0x1e000082 kqread syz-fuzzer 13490 370599 16916 0 3 0x810008a sigsusp ksh 16916 251067 35284 0 3 0x1800009a kqread sshd 35284 509382 1 0 3 0x18000088 kqread sshd 8096 163054 29326 73 3 0x19100090 kqread syslogd 29326 11734 1 0 3 0x18100082 sbwait syslogd 74609 292339 1 0 3 0x18100080 kqread resolvd 4476 348321 21671 77 3 0x18100092 kqread dhcpleased 72215 297912 21671 77 3 0x18100092 kqread dhcpleased 21671 196284 1 0 3 0x18000080 kqread dhcpleased 53219 376184 0 0 3 0x14200 bored smr 12272 110293 0 0 2 0x14200 zerothread 3936 419866 0 0 3 0x14200 aiodoned aiodoned 45588 366909 0 0 3 0x14200 syncer update 7120 467885 0 0 3 0x14200 cleaner cleaner 8274 381677 0 0 3 0x14200 reaper reaper 75978 489494 0 0 3 0x14200 pgdaemon pagedaemon 25106 43364 0 0 3 0x14200 bored viomb 43588 368637 0 0 3 0x40014200 acpi0 acpi0 53965 253649 0 0 3 0x14200 bored softnet3 45557 376509 0 0 3 0x14200 bored softnet2 35903 106646 0 0 3 0x14200 bored softnet1 83867 249587 0 0 3 0x14200 bored softnet0 89075 196583 0 0 3 0x14200 bored systqmp 68221 75830 0 0 3 0x14200 bored systq 47351 457865 0 0 3 0x40014200 tmoslp softclock 7209 128246 0 0 3 0x40014200 idle0 1 365824 0 0 3 0x8000082 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 10178 6483K 7049K 166960K 14227 0 pcb 15 11K 11K 166960K 127 0 rtable 174 6K 8K 166960K 683 0 pf 31 9K 9K 166960K 94 0 ifaddr 43 11K 13K 166960K 116 0 ifgroup 54 2K 2K 166960K 149 0 sysctl 3 1K 1K 166960K 5 0 counters 31 17K 17K 166960K 59 0 ioctlops 0 0K 2K 166960K 136 0 iov 0 0K 28K 166960K 82 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1432 90K 90K 166960K 2684 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 30 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 112 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 69K 166960K 1360 0 sigio 0 0K 0K 166960K 33 0 proc 58 59K 75K 166960K 713 0 subproc 104 6K 6K 166960K 183 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 152 0 in_multi 62 4K 7K 166960K 216 0 ether_multi 1 0K 0K 166960K 19 0 mrt 1 0K 0K 166960K 2 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 564 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 309 112K 115K 166960K 14013 0 UVM aobj 54 3K 3K 166960K 56 0 pinsyscall 36 72K 100K 166960K 2656 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 78 0 NDP 12 0K 2K 166960K 68 0 temp 76 6804K 6936K 166960K 30455 0 kqueue 13 20K 26K 166960K 188 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 120 142 0 139 1 0 1 1 0 8 0 rtentry 112 223 0 146 4 0 4 4 0 8 1 unpcb 144 1178 0 1160 6 0 6 6 0 8 5 syncache 336 15 0 15 1 0 1 1 0 8 1 tcpqe 32 136 0 136 1 0 1 1 0 8 1 tcpcb 808 501 0 486 6 0 6 6 0 8 4 arp 88 43 0 28 1 0 1 1 0 8 0 ipq 40 4 0 2 1 0 1 1 0 8 0 ipqe 40 15 0 13 1 0 1 1 0 8 0 inpcb 360 1654 0 1628 9 0 9 9 0 8 6 nd6 104 45 0 31 1 0 1 1 0 8 0 pkpcb 40 19 0 19 1 0 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1072 12 0 12 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 811 0 490 29 0 29 29 0 8 7 art_table 32 813 0 490 4 0 4 4 0 8 1 art_node 16 222 0 157 1 0 1 1 0 8 0 sysvmsgpl 40 47 0 44 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 109 0 99 1 0 1 1 0 8 0 shmpl 112 53 0 2 2 0 2 2 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 3716 0 2198 96 0 96 96 0 8 0 ffsino 240 3716 0 2198 90 0 90 90 0 8 0 nchpl 144 5658 0 3920 66 0 66 66 0 8 0 uvmvnodes 80 4641 0 0 95 0 95 95 0 8 0 vnodes 216 4641 0 0 258 0 258 258 0 8 0 namei 1024 19142 0 19142 3 0 3 3 0 8 3 vcpupl 2048 4 0 1 1 0 1 1 0 8 0 vmpool 664 21 0 18 1 0 1 1 0 8 0 kstatmem 264 80 0 56 2 0 2 2 0 8 0 scxspl 216 17902 0 17902 8 0 8 8 1 8 8 plimitpl 152 423 0 408 1 0 1 1 0 8 0 sigapl 424 1932 0 1866 8 0 8 8 0 8 0 futexpl 64 19538 0 19533 1 0 1 1 0 8 0 knotepl 120 15342 0 15259 11 0 11 11 0 8 7 kqueuepl 184 409 0 398 2 0 2 2 0 8 1 pipepl 288 334 0 306 7 0 7 7 0 8 4 fdescpl 432 1633 0 1606 4 0 4 4 0 8 0 filepl 120 10897 0 10645 14 0 14 14 0 8 5 lockfpl 104 579 0 576 2 0 2 2 0 8 1 lockfspl 48 223 0 220 1 0 1 1 0 8 0 sessionpl 144 31 0 15 1 0 1 1 0 8 0 pgrppl 48 168 0 152 1 0 1 1 0 8 0 ucredpl 104 1946 0 1936 1 0 1 1 0 8 0 zombiepl 144 1867 0 1866 1 0 1 1 0 8 0 processpl 1072 1932 0 1866 5 0 5 5 0 8 0 procpl 656 3567 0 3477 9 0 9 9 0 8 1 sosppl 168 20 0 20 1 0 1 1 0 8 1 sockpl 488 3010 0 2965 32 18 14 22 0 8 8 mcl64k 65536 38 0 37 1 0 1 1 0 8 0 mcl16k 16384 25 0 25 1 0 1 1 0 8 1 mcl12k 12288 58 0 58 1 0 1 1 0 8 1 mcl9k 9216 8 0 8 1 0 1 1 0 8 1 mcl8k 8192 97 0 97 1 0 1 1 0 8 1 mcl4k 4096 212 0 212 1 0 1 1 0 8 1 mcl2k2 2112 17 0 17 1 0 1 1 0 8 1 mcl2k 2048 25622 0 25581 29 16 13 29 0 8 7 mtagpl 96 178 0 106 2 0 2 2 0 8 0 mbufpl 256 65097 0 64862 31 4 27 28 0 8 8 bufpl 280 6566 0 237 453 0 453 453 0 8 0 bufpl: pool(0xffffffff82e17d38:bufpl): page inconsistency: page 0x0; at page head addr 0xfffffd8062090f90 (p 0xfffffd8062090000) anonpl 24 309000 0 302912 62 0 62 62 0 188 20 amapchunkpl 152 45628 0 44961 37 0 37 37 0 158 8 amappl16 200 7928 0 7804 29 13 16 20 0 8 8 amappl15 192 13 0 13 1 0 1 1 0 8 1 amappl14 184 177 0 166 2 0 2 2 0 8 1 amappl13 176 13 0 13 1 0 1 1 0 8 1 amappl12 168 2351 0 2323 2 0 2 2 0 8 0 amappl11 160 52 0 42 1 0 1 1 0 8 0 amappl10 152 67 0 55 1 0 1 1 0 8 0 amappl9 144 137 0 136 1 0 1 1 0 8 0 amappl8 136 176 0 119 2 0 2 2 0 8 0 amappl7 128 76 0 62 1 0 1 1 0 8 0 amappl6 120 424 0 407 2 0 2 2 0 8 1 amappl5 112 214 0 202 1 0 1 1 0 8 0 amappl4 104 581 0 543 2 0 2 2 0 8 0 amappl3 96 9555 0 9476 3 0 3 3 0 8 0 amappl2 88 2177 0 2103 4 0 4 4 0 8 2 amappl1 80 14428 0 13933 22 3 19 22 0 8 8 amappl 88 13343 0 13144 6 0 6 6 0 92 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 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 55 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1654 0 1624 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1654 0 1624 1 0 1 1 0 8 0 vmmpekpl 168 16671 0 16607 4 0 4 4 0 8 0 vmmpepl 168 118377 0 116489 111 0 111 111 0 357 19 vmsppl 344 1653 0 1624 3 0 3 3 0 8 0 rwobjpl 24 40372 0 34581 36 0 36 36 0 8 0 pdppl 4096 3314 0 3251 112 46 66 67 0 8 3 pvpl 32 746432 0 734460 361 12 349 361 0 265 235 pmappl 216 1653 0 1624 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 417 0 66 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8293068a) at panic+0x165 sys/kern/subr_prf.c:198 __assert(ffffffff828e3ebb,ffffffff8292f650,693,ffffffff828d0a8c) at __assert+0x29 sys/kern/subr_prf.c:157 bufcache_take(fffffd8062090140) at bufcache_take+0x254 sys/kern/vfs_bio.c:1684 vinvalbuf(fffffd8069384370,2,ffffffffffffffff,ffff80002a6bed00,0,ffffffffffffffff) at vinvalbuf+0x379 sys/kern/vfs_subr.c:2016 ffs_truncate(fffffd806ba2cd28,0,0,ffffffffffffffff) at ffs_truncate+0xb99 ufs_inactive(ffff8000378336a8) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8069384370,ffff80002a6bed00) at VOP_INACTIVE+0xbf sys/kern/vfs_vops.c:489 vrele(fffffd8069384370) at vrele+0xcc sys/kern/vfs_subr.c:827 ktrsettrace(ffff8000ffff8008,80000d30,fffffd8072f0a638,fffffd807f7d7820) at ktrsettrace+0xb6 sys/kern/kern_ktrace.c:122 ktrops(ffff80002a6bed00,ffff8000ffff8008,0,80000d30,fffffd8072f0a638,fffffd807f7d7820) at ktrops+0x1ae sys/kern/kern_ktrace.c:564 doktrace(fffffd8072f0a638,4,d30,0,ffff80002a6bed00) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8072f0a638,4,d30,0,ffff80002a6bed00) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6bed00,ffff800037833b10,ffff800037833a60) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800037833b10) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c152794630, count: -15 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8293068a) at panic+0x165 sys/kern/subr_prf.c:198 __assert(ffffffff828e3ebb,ffffffff8292f650,693,ffffffff828d0a8c) at __assert+0x29 sys/kern/subr_prf.c:157 bufcache_take(fffffd8062090140) at bufcache_take+0x254 sys/kern/vfs_bio.c:1684 vinvalbuf(fffffd8069384370,2,ffffffffffffffff,ffff80002a6bed00,0,ffffffffffffffff) at vinvalbuf+0x379 sys/kern/vfs_subr.c:2016 ffs_truncate(fffffd806ba2cd28,0,0,ffffffffffffffff) at ffs_truncate+0xb99 ufs_inactive(ffff8000378336a8) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8069384370,ffff80002a6bed00) at VOP_INACTIVE+0xbf sys/kern/vfs_vops.c:489 vrele(fffffd8069384370) at vrele+0xcc sys/kern/vfs_subr.c:827 ktrsettrace(ffff8000ffff8008,80000d30,fffffd8072f0a638,fffffd807f7d7820) at ktrsettrace+0xb6 sys/kern/kern_ktrace.c:122 ktrops(ffff80002a6bed00,ffff8000ffff8008,0,80000d30,fffffd8072f0a638,fffffd807f7d7820) at ktrops+0x1ae sys/kern/kern_ktrace.c:564 doktrace(fffffd8072f0a638,4,d30,0,ffff80002a6bed00) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8072f0a638,4,d30,0,ffff80002a6bed00) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6bed00,ffff800037833b10,ffff800037833a60) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800037833b10) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c152794630, count: -15