Hؑa+zD$ߞVߖ;TXpVY=U^U@aa:SieUo7ߊ\H,@UᰕߴcW##"<;gHǑS"LEZ:}]cjeo=]}|OJabﮩ,|aѕ= Ŏ@1p~G۬Z`rQ,9hB panic: timeout_add: to_ticks (-1056596297) < 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *344422 75397 0 0x1000 0x4080000 0 syz-executor.1 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:399 panic() at panic+0x15c sys/kern/subr_prf.c:208 timeout_add(ffff800000669260,c1059eb7) at timeout_add+0x179 sys/kern/kern_timeout.c:190 pcppi_bell(ffff800000669200,8c3f9cb9,c1059eb7,1) at pcppi_bell+0x2a0 sys/dev/isa/pcppi.c:234 spkrioctl(1b00,20005302,ffff800014a02640,2,ffff80001495d528) at spkrioctl+0x230 tone sys/dev/isa/spkr.c:89 [inline] spkrioctl(1b00,20005302,ffff800014a02640,2,ffff80001495d528) at spkrioctl+0x230 sys/dev/isa/spkr.c:503 VOP_IOCTL(fffffd8038975308,20005302,ffff800014a02640,2,fffffd803f7c7ba0,ffff80001495d528) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:290 vn_ioctl(fffffd802ff9c010,20005302,ffff800014a02640,ffff80001495d528) at vn_ioctl+0xc9 sys/kern/vfs_vnops.c:512 sys_ioctl(ffff80001495d528,ffff800014a02788,ffff800014a02770) at sys_ioctl+0x62d syscall(ffff800014a02820) at syscall+0x535 Xsyscall(6,0,ffffffffffffff88,0,3,4151ef32010) at Xsyscall+0x128 end of kernel end trace frame: 0x417fd33ccc0, count: 5 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 timeout_add: to_ticks (-1056596297) < 0 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:399 panic() at panic+0x15c sys/kern/subr_prf.c:208 timeout_add(ffff800000669260,c1059eb7) at timeout_add+0x179 sys/kern/kern_timeout.c:190 pcppi_bell(ffff800000669200,8c3f9cb9,c1059eb7,1) at pcppi_bell+0x2a0 sys/dev/isa/pcppi.c:234 spkrioctl(1b00,20005302,ffff800014a02640,2,ffff80001495d528) at spkrioctl+0x230 tone sys/dev/isa/spkr.c:89 [inline] spkrioctl(1b00,20005302,ffff800014a02640,2,ffff80001495d528) at spkrioctl+0x230 sys/dev/isa/spkr.c:503 VOP_IOCTL(fffffd8038975308,20005302,ffff800014a02640,2,fffffd803f7c7ba0,ffff80001495d528) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:290 vn_ioctl(fffffd802ff9c010,20005302,ffff800014a02640,ffff80001495d528) at vn_ioctl+0xc9 sys/kern/vfs_vnops.c:512 sys_ioctl(ffff80001495d528,ffff800014a02788,ffff800014a02770) at sys_ioctl+0x62d syscall(ffff800014a02820) at syscall+0x535 Xsyscall(6,0,ffffffffffffff88,0,3,4151ef32010) at Xsyscall+0x128 end of kernel end trace frame: 0x417fd33ccc0, count: -10 ddb> show registers rdi 0xffffffff815c3ec7 db_enter+0x17 rsi 0x1799 __ALIGN_SIZE+0x799 rbp 0xffff800014a02260 rbx 0xffff800014a02310 rdx 0x179a __ALIGN_SIZE+0x79a rcx 0xffff800002b3a000 rax 0xffff800002b3a000 r8 0xffff800014a02220 r9 0x1 r10 0xffff800001b39b40 r11 0x6e580508e2ce365 r12 0x3000000008 r13 0xffff800014a02270 r14 0x100 r15 0x1 rip 0xffffffff815c3ec8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800014a02250 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.1) pid=344422 stat=onproc flags process=1000 proc=4080000 pri=21, usrpri=76, nice=20 forw=0xffffffffffffffff, list=0xffff80001495d780,0xffff8000ffff8720 process=0xffff8000149a3088 user=0xffff8000149fd000, vmspace=0xfffffd803f014108 estcpu=26, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 75397 409065 73640 0 3 0x3000 suspend syz-executor.1 *75397 344422 73640 0 7 0x4081000 syz-executor.1 75397 214429 73640 0 2 0x4081080 syz-executor.1 17600 348571 96673 0 3 0x82 piperd syz-executor.0 15838 474223 1 0 3 0x100083 ttyin getty 21689 9543 0 0 3 0x14200 bored sosplice 73640 164487 96673 0 3 0x82 nanosleep syz-executor.1 96673 98983 86799 0 3 0x82 thrsleep syz-fuzzer 96673 210066 86799 0 3 0x4000082 thrsleep syz-fuzzer 96673 106399 86799 0 3 0x4000082 thrsleep syz-fuzzer 96673 370808 86799 0 3 0x4000082 thrsleep syz-fuzzer 96673 366248 86799 0 3 0x4000082 thrsleep syz-fuzzer 96673 197920 86799 0 3 0x4000082 kqread syz-fuzzer 96673 203077 86799 0 3 0x4000082 thrsleep syz-fuzzer 86799 194086 9316 0 3 0x10008a pause ksh 9316 410752 67154 0 3 0x92 select sshd 67154 54345 1 0 3 0x80 select sshd 39352 14657 83582 73 3 0x100090 kqread syslogd 83582 522151 1 0 3 0x100082 netio syslogd 77563 337448 1 77 3 0x100090 poll dhclient 33217 305414 1 0 3 0x80 poll dhclient 23304 482215 0 0 2 0x14200 zerothread 92757 147733 0 0 3 0x14200 aiodoned aiodoned 62776 37599 0 0 3 0x14200 syncer update 26285 28616 0 0 3 0x14200 cleaner cleaner 55191 16441 0 0 3 0x14200 reaper reaper 34766 245724 0 0 3 0x14200 pgdaemon pagedaemon 75434 50851 0 0 3 0x14200 bored crynlk 67491 158004 0 0 3 0x14200 bored crypto 5195 162992 0 0 3 0x40014200 acpi0 acpi0 73332 344474 0 0 3 0x14200 bored softnet 9395 71209 0 0 3 0x14200 bored systqmp 87382 427155 0 0 3 0x14200 bored systq 54597 137386 0 0 3 0x40014200 bored softclock 67900 401727 0 0 3 0x40014200 idle0 1 323718 0 0 3 0x82 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 Kern Lim devbuf 9494 6344K 6348K 78643K 10966 0 0 pcb 23 9K 11K 78643K 726 0 0 rtable 100 3K 3K 78643K 373 0 0 ifaddr 53 13K 13K 78643K 149 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 25 0 0 iov 0 0K 24K 78643K 175 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1198 75K 75K 78643K 2005 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 16 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 188 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1777 193K 286K 78643K 12501 0 0 file desc 5 13K 25K 78643K 1287 0 0 sigio 0 0K 0K 78643K 30 0 0 proc 42 30K 46K 78643K 482 0 0 subproc 64 65538K 67586K 78643K 142 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 123 0 0 in_multi 33 2K 2K 78643K 92 0 0 ether_multi 1 0K 0K 78643K 6 0 0 mrt 0 0K 0K 78643K 2 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 90 397K 397K 78643K 90 0 0 exec 0 0K 1K 78643K 301 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 83 20K 30K 78643K 3926 0 0 UVM aobj 67 5K 5K 78643K 93 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 44 0 0 NDP 10 0K 0K 78643K 41 0 0 temp 155 2343K 2412K 78643K 6332 0 0 kqueue 0 0K 0K 78643K 25 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 2 1 0 1 1 0 8 0 inpcbpl 280 640 0 633 1 0 1 1 0 8 0 plimitpl 152 30 0 23 1 0 1 1 0 8 0 rtentry 112 59 0 19 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 221 0 217 1 0 1 1 0 8 0 nd6 48 8 0 4 1 0 1 1 0 8 0 ppxss 1128 19 0 19 6 6 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 272 0 84 12 0 12 12 0 8 0 art_table 32 273 0 84 2 0 2 2 0 8 0 art_node 16 58 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 6 1 0 1 1 0 8 0 semapl 112 186 0 176 1 0 1 1 0 8 0 shmpl 112 91 0 26 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3882 0 2450 47 0 47 47 0 8 0 ffsino 240 3882 0 2450 87 2 85 85 0 8 0 nchpl 144 5968 0 4356 61 0 61 61 0 8 0 uvmvnodes 72 4077 0 0 75 0 75 75 0 8 0 vnodes 200 4077 0 0 215 0 215 215 0 8 0 namei 1024 17848 0 17848 2 1 1 1 0 8 1 scsiplug 64 3 0 3 2 2 0 1 0 8 0 scxspl 192 19510 0 19510 13 12 1 5 0 8 1 sigapl 432 1450 0 1437 2 0 2 2 0 8 0 futexpl 56 21310 0 21310 2 1 1 1 0 8 1 knotepl 112 405 0 378 4 3 1 2 0 8 0 kqueuepl 104 388 0 386 1 0 1 1 0 8 0 pipepl 112 1042 0 1023 6 5 1 2 0 8 0 fdescpl 424 1451 0 1437 2 0 2 2 0 8 0 filepl 120 9227 0 9127 6 2 4 5 0 8 0 lockfpl 104 479 0 476 5 4 1 1 0 8 0 lockfspl 32 767 0 764 5 4 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 58 0 48 1 0 1 1 0 8 0 ucredpl 96 2669 0 2662 1 0 1 1 0 8 0 zombiepl 144 1437 0 1437 2 1 1 1 0 8 1 processpl 840 1465 0 1437 5 1 4 4 0 8 0 procpl 600 3242 0 3206 5 1 4 4 0 8 1 sosppl 128 18 0 18 5 4 1 1 0 8 1 sockpl 384 1284 0 1267 9 6 3 4 0 8 1 mcl64k 65536 1050 0 1050 96 95 1 65 0 8 1 mcl16k 16384 8 0 8 4 3 1 1 0 8 1 mcl12k 12288 21 0 21 10 9 1 1 0 8 1 mcl9k 9216 19 0 19 10 9 1 1 0 8 1 mcl8k 8192 25 0 25 8 7 1 1 0 8 1 mcl4k 4096 72 0 72 5 4 1 1 0 8 1 mcl2k2 2112 6 0 6 4 3 1 1 0 8 1 mcl2k 2048 44625 0 44594 11 6 5 8 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 80087 0 80037 63 58 5 37 0 8 0 bufpl 256 8066 0 3830 265 0 265 265 0 8 0 anonpl 16 175309 0 167051 119 69 50 52 0 62 15 amapchunkpl 152 6141 0 6060 16 12 4 11 0 158 0 amappl16 192 9351 0 8911 122 92 30 36 0 8 8 amappl15 184 414 0 412 1 0 1 1 0 8 0 amappl14 176 1061 0 1056 2 1 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 10 0 10 2 2 0 1 0 8 0 amappl11 152 389 0 380 1 0 1 1 0 8 0 amappl10 144 59 0 58 2 1 1 1 0 8 0 amappl9 136 524 0 520 1 0 1 1 0 8 0 amappl8 128 164 0 136 1 0 1 1 0 8 0 amappl7 120 44 0 37 1 0 1 1 0 8 0 amappl6 112 695 0 688 1 0 1 1 0 8 0 amappl5 104 627 0 615 1 0 1 1 0 8 0 amappl4 96 282 0 262 1 0 1 1 0 8 0 amappl3 88 175 0 170 1 0 1 1 0 8 0 amappl2 80 13201 0 13150 2 0 2 2 0 8 0 amappl1 72 35114 0 34697 26 17 9 19 0 8 0 amappl 72 3489 0 3457 1 0 1 1 0 75 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 92 0 26 2 0 2 2 0 8 0 uaddrrnd 24 1451 0 1437 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1451 0 1437 1 0 1 1 0 8 0 vmmpekpl 168 13662 0 13641 2 0 2 2 0 8 0 vmmpepl 168 159680 0 158307 144 74 70 82 0 357 7 vmsppl 264 1450 0 1437 2 1 1 2 0 8 0 pdppl 4096 2908 0 2874 6 1 5 6 0 8 0 pvpl 32 477848 0 466636 235 111 124 135 0 265 32 pmappl 192 1450 0 1437 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 566 0 179 14 1 13 14 0 8 0