panic: sleep: syz-executor[74492] slept inside a no-sleep walk bracket (raw pointer held across sleep, wmesg "biowait") Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *434098 74492 0 0 0x4000010 0K syz-executor 53985 1537 0 0x2 0 1 syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84d8d160) at panic+0x270 sys/kern/subr_prf.c:198 sleep_setup(ffff800001bcf000,11,ffffffff84692f80) at sleep_setup+0x3b2 sys/kern/kern_synch.c:296 tsleep_nsec(ffff800001bcf000,11,ffffffff84692f80,ffffffffffffffff) at tsleep_nsec+0x29c sys/kern/kern_synch.c:153 biowait(ffff800001bcf000) at biowait+0xe6 sys/kern/vfs_bio.c:1110 bwrite(ffff800001bcf000) at bwrite+0x4e1 sys/kern/vfs_bio.c:625 ffs_update(ffff800001d103d0,1) at ffs_update+0x619 sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(ffff800001d103d0,0,0,ffffffffffffffff) at ffs_truncate+0x12f0 sys/ufs/ffs/ffs_inode.c:-1 ufs_inactive(ffff80003bb3fec0) at ufs_inactive+0x2cb sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(ffff800001db1290,ffff800045ff4a88) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vrele(ffff800001db1290) at vrele+0x16a sys/kern/vfs_subr.c:845 ktrsettrace(ffffffff85e2cd80,ff7ea096,ffff800001e1b7f0,ffff800000119270) at ktrsettrace+0x16c sys/kern/kern_ktrace.c:123 ktrops(ffff800045ff4a88,ffffffff85e2cd80,0,ff7ea096,ffff800001e1b7f0,ffff800000119270) at ktrops+0x338 sys/kern/kern_ktrace.c:578 doktrace(ffff800001e1b7f0,4,7f7ea096,0,ffff800045ff4a88) at doktrace+0xa72 ktrsetchildren sys/kern/kern_ktrace.c:607 [inline] doktrace(ffff800001e1b7f0,4,7f7ea096,0,ffff800045ff4a88) at doktrace+0xa72 sys/kern/kern_ktrace.c:522 end trace frame: 0xffff80003bb403b0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: sleep: syz-executor[74492] slept inside a no-sleep walk bracket (raw pointer held across sleep, wmesg "biowait") ddb{0}> show kasan kasan: no report recorded this boot ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84d8d160) at panic+0x270 sys/kern/subr_prf.c:198 sleep_setup(ffff800001bcf000,11,ffffffff84692f80) at sleep_setup+0x3b2 sys/kern/kern_synch.c:296 tsleep_nsec(ffff800001bcf000,11,ffffffff84692f80,ffffffffffffffff) at tsleep_nsec+0x29c sys/kern/kern_synch.c:153 biowait(ffff800001bcf000) at biowait+0xe6 sys/kern/vfs_bio.c:1110 bwrite(ffff800001bcf000) at bwrite+0x4e1 sys/kern/vfs_bio.c:625 ffs_update(ffff800001d103d0,1) at ffs_update+0x619 sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(ffff800001d103d0,0,0,ffffffffffffffff) at ffs_truncate+0x12f0 sys/ufs/ffs/ffs_inode.c:-1 ufs_inactive(ffff80003bb3fec0) at ufs_inactive+0x2cb sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(ffff800001db1290,ffff800045ff4a88) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vrele(ffff800001db1290) at vrele+0x16a sys/kern/vfs_subr.c:845 ktrsettrace(ffffffff85e2cd80,ff7ea096,ffff800001e1b7f0,ffff800000119270) at ktrsettrace+0x16c sys/kern/kern_ktrace.c:123 ktrops(ffff800045ff4a88,ffffffff85e2cd80,0,ff7ea096,ffff800001e1b7f0,ffff800000119270) at ktrops+0x338 sys/kern/kern_ktrace.c:578 doktrace(ffff800001e1b7f0,4,7f7ea096,0,ffff800045ff4a88) at doktrace+0xa72 ktrsetchildren sys/kern/kern_ktrace.c:607 [inline] doktrace(ffff800001e1b7f0,4,7f7ea096,0,ffff800045ff4a88) at doktrace+0xa72 sys/kern/kern_ktrace.c:522 sys_ktrace(ffff800045ff4a88,ffff80003bb40530,ffff80003bb404a0) at sys_ktrace+0x1f6 sys/kern/kern_ktrace.c:563 syscall(ffff80003bb40530) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bb40530) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc9d84092780, count: -17 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003bb3f7b0 rbx 0xffff80003bb3f820 rdx 0 rcx 0xffffffff851e9ff0 cpu_info_full_primary+0x1ff0 rax 0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff80003bb3f3c8 r11 0xffffffff83e54b70 x86_bus_space_io_read_1 r12 0xffffffff84d8d160 .str.9 r13 0xffffffff851eac08 cpu_info_full_primary+0x2c08 r14 0xffffffff851eae07 cpu_info_full_primary+0x2e07 r15 0x1 rip 0xffffffff82f1b577 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff80003bb3f7b0 ss 0x10 db_enter+0x17: popq %rbp ddb{0}> show proc PROC (syz-executor) tid=434098 pid=74492 tcnt=3 stat=onproc flags process=0 proc=4000010 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045feea90,0xffff800045ff4800 process=0xffff800045fea6b0 user=0xffff80003bb35000, vmspace=0xffff800001c3b3e8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 74492 221733 36134 0 2 0 0 syz-executor *74492 434098 36134 0 7 0 0x4000010 syz-executor 74492 440288 36134 0 2 0 0x4000000 syz-executor 90252 55828 31089 0 2 0 0 syz-executor 90252 240319 31089 0 3 0 0x4000080 fsleep syz-executor 93866 321489 74783 0 2 0 0 syz-executor 93866 361714 74783 0 3 0 0x4000080 fsleep syz-executor 1107 493706 80865 0 2 0 0 syz-executor 1107 368186 80865 0 3 0 0x4000080 fsleep syz-executor 8630 79749 57297 0 2 0 0 syz-executor 8630 148158 57297 0 3 0 0x4000080 fsleep syz-executor 66012 470604 0 0 3 0x14000 0x280 nfsidl nfsio 7729 298182 0 0 3 0x14000 0x280 nfsidl nfsio 21218 394767 0 0 3 0x14000 0x280 nfsidl nfsio 77841 125213 0 0 3 0x14000 0x280 nfsidl nfsio 17030 367846 0 0 3 0x14000 0x280 nfsidl nfsio 63791 161226 0 0 3 0x14000 0x280 nfsidl nfsio 70923 440338 0 0 3 0x14000 0x280 nfsidl nfsio 226 373973 0 0 3 0x14000 0x280 nfsidl nfsio 42520 492028 0 0 3 0x14000 0x280 nfsidl nfsio 47643 322076 0 0 3 0x14000 0x280 nfsidl nfsio 62494 391 0 0 3 0x14000 0x280 nfsidl nfsio 94236 92712 0 0 3 0x14000 0x280 nfsidl nfsio 50973 160439 0 0 3 0x14000 0x280 nfsidl nfsio 26639 381461 0 0 3 0x14000 0x280 nfsidl nfsio 54833 115045 0 0 3 0x14000 0x280 nfsidl nfsio 36366 90550 0 0 3 0x14000 0x280 nfsidl nfsio 67639 291316 0 0 3 0x14000 0x280 nfsidl nfsio 55724 139375 0 0 3 0x14000 0x280 nfsidl nfsio 51590 129680 0 0 3 0x14000 0x280 nfsidl nfsio 52157 406588 0 0 3 0x14000 0x280 nfsidl nfsio 31089 34245 89189 0 3 0x2 0x80 nanoslp syz-executor 80865 449765 89189 0 3 0x2 0x80 nanoslp syz-executor 1537 53985 89189 0 7 0x2 0 syz-executor 36134 244167 89189 0 3 0x2 0x80 nanoslp syz-executor 497 96468 89189 0 3 0x2 0 biowait syz-executor 61895 70810 89189 0 2 0x2 0 syz-executor 57297 455052 89189 0 3 0x2 0x80 nanoslp syz-executor 74783 271972 89189 0 2 0x2 0xc80 syz-executor 89189 353918 39656 0 3 0x2 0x80 kqread syz-executor 39656 460202 64418 0 3 0x100002 0x88 sigsusp ksh 64418 244235 76892 0 3 0x10 0x88 kqread sshd-session 76892 509034 77046 0 3 0x12 0x80 kqread sshd-session 7807 466902 1 0 3 0x100003 0x80 ttyin getty 77046 160208 1 0 3 0 0x88 kqread sshd 35882 55115 16109 74 3 0x1100012 0x80 bpf pflogd 16109 177181 1 0 3 0 0x80 sbwait pflogd 87207 369791 90358 73 3 0x1100010 0x80 kqread syslogd 90358 81921 1 0 3 0x100002 0x80 sbwait syslogd 9363 286050 1 0 3 0x100000 0x80 kqread resolvd 1428 169813 86386 77 3 0x100012 0x80 kqread dhcpleased 56079 330716 86386 77 3 0x100012 0x80 kqread dhcpleased 86386 416743 1 0 3 0 0x80 kqread dhcpleased 28373 374832 0 0 3 0x14000 0x200 bored smr 74639 152873 0 0 2 0x14000 0x200 zerothread 27037 383323 0 0 3 0x14000 0x200 aiodoned aiodoned 35645 261300 0 0 3 0x14000 0x200 syncer update 22364 230633 0 0 3 0x14000 0x200 cleaner cleaner 10069 216105 0 0 3 0x14000 0x200 reaper reaper 36992 238141 0 0 3 0x14000 0x200 pgdaemon pagedaemon 22751 420589 0 0 3 0x14000 0x200 bored viomb 65204 265683 0 0 3 0x14000 0x40000200 acpi0 acpi0 72327 363241 0 0 3 0x14000 0x40000200 idle1 19369 317193 0 0 3 0x14000 0x200 bored softnet1 18783 98201 0 0 2 0x14000 0x200 softnet0 88924 57835 0 0 3 0x14000 0x200 bored systqmp 10706 269810 0 0 3 0x14000 0x200 bored systq 26182 518953 0 0 3 0x14000 0x200 tmoslp softclockmp 55510 233365 0 0 3 0x14000 0x40000200 tmoslp softclock 8709 81680 0 0 3 0x14000 0x40000200 idle0 1 176221 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11082 12543K 12543K 166960K 12343 0 pcb 17 28K 33K 166960K 122 0 rtable 239 12K 13K 166960K 353 0 pf 34 22K 22K 166960K 49 0 ifaddr 43 12K 12K 166960K 47 0 ifgroup 55 2K 2K 166960K 63 0 sysctl 3 1K 13K 166960K 8 0 counters 70 42K 43K 166960K 74 0 ioctlops 0 0K 4K 166960K 1525 0 iov 0 0K 16K 166960K 38 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1304 84K 84K 166960K 1534 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 3 6K 10K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 10 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 15 53K 97K 166960K 364 0 sigio 0 0K 0K 166960K 15 0 proc 71 128K 177K 166960K 590 0 subproc 72 9K 9K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 17 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 67 465K 465K 166960K 67 0 exec 0 0K 2K 166960K 389 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 216 232K 252K 166960K 5048 0 UVM aobj 31 4K 4K 166960K 32 0 pinsyscall 1064 1812K 1816K 166960K 1520 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 12 0K 2K 166960K 30 0 temp 48 9165K 9185K 166960K 4503 0 kqueue 14 41K 52K 166960K 62 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 35 0 32 1 0 1 1 0 8 0 rtentry 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 236 0 219 2 0 2 2 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 34 0 30 1 0 1 1 0 8 0 arp 136 19 0 0 1 0 1 1 0 8 0 inpcb 328 236 0 227 7 5 2 7 0 8 0 nd6 152 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 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 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 39 0 3 1 0 1 1 0 8 0 pfstkey 128 39 0 3 2 0 2 2 0 8 0 pfstate 448 39 0 3 4 0 4 4 0 8 0 pfrule 1360 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 0 29 0 29 29 0 8 0 art_table 40 454 0 0 5 0 5 5 0 8 0 art_node 32 112 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semapl 72 8 0 0 1 0 1 1 0 8 0 shmpl 112 29 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1948 0 471 93 0 93 93 0 8 0 ffsino 296 1948 0 471 114 0 114 114 0 8 0 nchpl 144 2466 0 765 64 0 64 64 0 8 0 vnodes 216 2146 0 0 120 0 120 120 0 8 0 namei 1024 7927 0 7925 1 0 1 1 0 8 0 percpumem 16 53 0 2 1 0 1 1 0 8 0 kstatmem 264 31 0 4 2 0 2 2 0 8 0 scxspl 216 8609 0 8607 10 2 8 8 1 8 7 plimitpl 152 37 0 20 1 0 1 1 0 8 0 sigapl 424 701 0 636 9 1 8 8 0 8 0 knotepl 120 71 0 0 3 0 3 3 0 8 0 kqueuepl 224 85 0 75 2 0 2 2 0 8 1 pipepl 344 156 0 129 3 0 3 3 0 8 0 fdescpl 528 665 0 636 3 0 3 3 0 8 0 filepl 160 2982 0 2764 12 2 10 12 0 8 0 lockfpl 104 91 0 87 1 0 1 1 0 8 0 lockfspl 48 44 0 40 1 0 1 1 0 8 0 sessionpl 144 33 0 24 1 0 1 1 0 8 0 pgrppl 48 47 0 30 1 0 1 1 0 8 0 ucredpl 104 388 0 375 1 0 1 1 0 8 0 zombiepl 144 636 0 636 1 0 1 1 0 8 1 processpl 1232 701 0 636 7 1 6 6 0 8 0 procpl 664 1091 0 1020 8 0 8 8 0 8 1 sockpl 752 511 0 482 11 6 5 10 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k128 9344 13 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 18 0 0 1 0 1 1 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 177 0 0 12 0 12 12 0 8 0 bufpl 272 2837 0 105 183 0 183 183 0 8 0 anonpl 32 7492 0 0 61 0 61 61 0 222 0 amapchunkpl 152 14939 0 14521 26 2 24 24 0 158 6 amappl16 200 2235 0 2207 25 13 12 14 0 8 8 amappl15 192 12 0 12 2 2 0 1 0 8 0 amappl14 184 428 0 427 1 0 1 1 0 8 0 amappl13 176 123 0 111 1 0 1 1 0 8 0 amappl12 168 915 0 887 2 0 2 2 0 8 0 amappl11 160 7 0 7 2 1 1 1 0 8 1 amappl10 152 91 0 77 1 0 1 1 0 8 0 amappl9 144 274 0 274 1 1 0 1 0 8 0 amappl8 136 98 0 96 1 0 1 1 0 8 0 amappl7 128 146 0 132 1 0 1 1 0 8 0 amappl6 120 172 0 169 1 0 1 1 0 8 0 amappl5 112 100 0 90 1 0 1 1 0 8 0 amappl4 104 297 0 277 1 0 1 1 0 8 0 amappl3 96 2989 0 2889 4 0 4 4 0 8 1 amappl2 88 541 0 481 2 0 2 2 0 8 0 amappl1 80 11424 0 10830 15 2 13 15 0 8 0 amappl 88 4280 0 4134 5 0 5 5 0 92 1 uvmvnodes 80 105 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 31 0 1 1 0 1 1 0 8 0 uaddrrnd 24 665 0 636 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 665 0 636 1 0 1 1 0 8 0 vmmpekpl 168 7382 0 7348 2 0 2 2 0 8 0 vmmpepl 168 50686 0 48888 102 8 94 95 0 357 5 vmsppl 488 664 0 636 5 1 4 5 0 8 0 rwobjpl 80 17308 0 16268 29 2 27 27 0 8 2 pdppl 4096 1338 0 1272 102 30 72 88 0 8 6 pvpl 32 15414 0 0 126 1 125 126 0 265 0 pmappl 256 664 0 636 3 0 3 3 0 8 1 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 120 466 0 35 14 0 14 14 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84d8d160) at panic+0x270 sys/kern/subr_prf.c:198 sleep_setup(ffff800001bcf000,11,ffffffff84692f80) at sleep_setup+0x3b2 sys/kern/kern_synch.c:296 tsleep_nsec(ffff800001bcf000,11,ffffffff84692f80,ffffffffffffffff) at tsleep_nsec+0x29c sys/kern/kern_synch.c:153 biowait(ffff800001bcf000) at biowait+0xe6 sys/kern/vfs_bio.c:1110 bwrite(ffff800001bcf000) at bwrite+0x4e1 sys/kern/vfs_bio.c:625 ffs_update(ffff800001d103d0,1) at ffs_update+0x619 sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(ffff800001d103d0,0,0,ffffffffffffffff) at ffs_truncate+0x12f0 sys/ufs/ffs/ffs_inode.c:-1 ufs_inactive(ffff80003bb3fec0) at ufs_inactive+0x2cb sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(ffff800001db1290,ffff800045ff4a88) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vrele(ffff800001db1290) at vrele+0x16a sys/kern/vfs_subr.c:845 ktrsettrace(ffffffff85e2cd80,ff7ea096,ffff800001e1b7f0,ffff800000119270) at ktrsettrace+0x16c sys/kern/kern_ktrace.c:123 ktrops(ffff800045ff4a88,ffffffff85e2cd80,0,ff7ea096,ffff800001e1b7f0,ffff800000119270) at ktrops+0x338 sys/kern/kern_ktrace.c:578 doktrace(ffff800001e1b7f0,4,7f7ea096,0,ffff800045ff4a88) at doktrace+0xa72 ktrsetchildren sys/kern/kern_ktrace.c:607 [inline] doktrace(ffff800001e1b7f0,4,7f7ea096,0,ffff800045ff4a88) at doktrace+0xa72 sys/kern/kern_ktrace.c:522 sys_ktrace(ffff800045ff4a88,ffff80003bb40530,ffff80003bb404a0) at sys_ktrace+0x1f6 sys/kern/kern_ktrace.c:563 syscall(ffff80003bb40530) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bb40530) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc9d84092780, count: -17 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff85d51b80) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85d51b80) at __mp_lock+0x272 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff85d51b80,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x423 sys/kern/kern_synch.c:373 getblk(ffff800000d8e5e8,ca980,4000,0,ffffffffffffffff) at getblk+0x23a sys/kern/vfs_bio.c:882 bread(ffff800000d8e5e8,ca980,4000,ffff800029a80540) at bread+0x47 bio_doread sys/kern/vfs_bio.c:295 [inline] bread(ffff800000d8e5e8,ca980,4000,ffff800029a80540) at bread+0x47 sys/kern/vfs_bio.c:340 ffs_update(ffff800001c204f0,0) at ffs_update+0x3e4 sys/ufs/ffs/ffs_inode.c:91 ufs_inactive(ffff800029a80680) at ufs_inactive+0x4b7 sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(ffff800001e1dea0,ffff800029933770) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vput(ffff800001e1dea0) at vput+0x152 sys/kern/vfs_subr.c:797 vn_closefile(ffff800001d05048,ffff800029933770) at vn_closefile+0x1e0 sys/kern/vfs_vnops.c:622 fdrop(ffff800001d05048,ffff800029933770) at fdrop+0x1c3 sys/kern/kern_descrip.c:1288 end trace frame: 0xffff800029a80970, count: 0 ddb{1}> trace x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff85d51b80) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85d51b80) at __mp_lock+0x272 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff85d51b80,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x423 sys/kern/kern_synch.c:373 getblk(ffff800000d8e5e8,ca980,4000,0,ffffffffffffffff) at getblk+0x23a sys/kern/vfs_bio.c:882 bread(ffff800000d8e5e8,ca980,4000,ffff800029a80540) at bread+0x47 bio_doread sys/kern/vfs_bio.c:295 [inline] bread(ffff800000d8e5e8,ca980,4000,ffff800029a80540) at bread+0x47 sys/kern/vfs_bio.c:340 ffs_update(ffff800001c204f0,0) at ffs_update+0x3e4 sys/ufs/ffs/ffs_inode.c:91 ufs_inactive(ffff800029a80680) at ufs_inactive+0x4b7 sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(ffff800001e1dea0,ffff800029933770) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vput(ffff800001e1dea0) at vput+0x152 sys/kern/vfs_subr.c:797 vn_closefile(ffff800001d05048,ffff800029933770) at vn_closefile+0x1e0 sys/kern/vfs_vnops.c:622 fdrop(ffff800001d05048,ffff800029933770) at fdrop+0x1c3 sys/kern/kern_descrip.c:1288 closef(ffff800001d05048,ffff800029933770) at closef+0x263 sys/kern/kern_descrip.c:1272 syscall(ffff800029a80b00) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029a80b00) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c6c6d288b30, count: -17