fFwF9scҦMz3Am}z+@ G9 -gu)lZ=8hp&71ح̑ fFwF9scҦMz3Am}z+@ G9 -gu)lZ=8hp&71ح̑ panic: timeout_add: to_ticks (-858651316) < 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *119284 88049 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,ccd2054c) at timeout_add+0x179 sys/kern/kern_timeout.c:190 pcppi_bell(ffff800000669200,634416e4,ccd2054c,1) at pcppi_bell+0x2a0 sys/dev/isa/pcppi.c:234 spkrioctl(1b00,20005302,ffff8000149e6b50,2,ffff80001495c4c0) at spkrioctl+0x230 tone sys/dev/isa/spkr.c:89 [inline] spkrioctl(1b00,20005302,ffff8000149e6b50,2,ffff80001495c4c0) at spkrioctl+0x230 sys/dev/isa/spkr.c:503 VOP_IOCTL(fffffd803d804e20,20005302,ffff8000149e6b50,2,fffffd803f7c7a20,ffff80001495c4c0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80375f3258,20005302,ffff8000149e6b50,ffff80001495c4c0) at vn_ioctl+0xc9 sys/kern/vfs_vnops.c:512 sys_ioctl(ffff80001495c4c0,ffff8000149e6c98,ffff8000149e6c80) at sys_ioctl+0x62d syscall(ffff8000149e6d30) at syscall+0x535 Xsyscall(6,0,ffffffffffffff88,0,3,8be2731f010) at Xsyscall+0x128 end of kernel end trace frame: 0x8c0c0770b80, 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 (-858651316) < 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,ccd2054c) at timeout_add+0x179 sys/kern/kern_timeout.c:190 pcppi_bell(ffff800000669200,634416e4,ccd2054c,1) at pcppi_bell+0x2a0 sys/dev/isa/pcppi.c:234 spkrioctl(1b00,20005302,ffff8000149e6b50,2,ffff80001495c4c0) at spkrioctl+0x230 tone sys/dev/isa/spkr.c:89 [inline] spkrioctl(1b00,20005302,ffff8000149e6b50,2,ffff80001495c4c0) at spkrioctl+0x230 sys/dev/isa/spkr.c:503 VOP_IOCTL(fffffd803d804e20,20005302,ffff8000149e6b50,2,fffffd803f7c7a20,ffff80001495c4c0) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80375f3258,20005302,ffff8000149e6b50,ffff80001495c4c0) at vn_ioctl+0xc9 sys/kern/vfs_vnops.c:512 sys_ioctl(ffff80001495c4c0,ffff8000149e6c98,ffff8000149e6c80) at sys_ioctl+0x62d syscall(ffff8000149e6d30) at syscall+0x535 Xsyscall(6,0,ffffffffffffff88,0,3,8be2731f010) at Xsyscall+0x128 end of kernel end trace frame: 0x8c0c0770b80, count: -10 ddb> show registers rdi 0xffffffff81cd5d17 db_enter+0x17 rsi 0x1629 __ALIGN_SIZE+0x629 rbp 0xffff8000149e6770 rbx 0xffff8000149e6820 rdx 0x162a __ALIGN_SIZE+0x62a rcx 0xffff800001b3a000 rax 0xffff800001b3a000 r8 0xffff8000149e6730 r9 0x1 r10 0xffff8000019b0380 r11 0xd49d3510e7fa5606 r12 0x3000000008 r13 0xffff8000149e6780 r14 0x100 r15 0x1 rip 0xffffffff81cd5d18 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000149e6760 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.1) pid=119284 stat=onproc flags process=1000 proc=4080000 pri=21, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff80001495d078,0xffff8000ffff84c8 process=0xffff8000149a2368 user=0xffff8000149e1000, vmspace=0xfffffd803f015b58 estcpu=32, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 88049 146167 10682 0 3 0x3000 suspend syz-executor.1 *88049 119284 10682 0 7 0x4081000 syz-executor.1 88049 116104 10682 0 2 0x4081080 syz-executor.1 10682 249722 8477 0 3 0x82 nanosleep syz-executor.1 56656 184347 8477 0 3 0x82 piperd syz-executor.0 80780 194284 1 0 3 0x100083 ttyin getty 78164 63850 0 0 3 0x14200 bored sosplice 8477 99385 11333 0 3 0x82 thrsleep syz-fuzzer 8477 487412 11333 0 3 0x4000082 thrsleep syz-fuzzer 8477 409743 11333 0 3 0x4000082 thrsleep syz-fuzzer 8477 438619 11333 0 3 0x4000082 kqread syz-fuzzer 8477 112979 11333 0 3 0x4000082 thrsleep syz-fuzzer 8477 309339 11333 0 3 0x4000082 thrsleep syz-fuzzer 8477 453552 11333 0 3 0x4000082 thrsleep syz-fuzzer 11333 413471 57530 0 3 0x10008a pause ksh 57530 160659 45652 0 3 0x92 select sshd 45652 44525 1 0 3 0x80 select sshd 61378 230070 38933 73 3 0x100090 kqread syslogd 38933 241602 1 0 3 0x100082 netio syslogd 78371 277856 1 77 3 0x100090 poll dhclient 60741 381956 1 0 3 0x80 poll dhclient 49522 60941 0 0 2 0x14200 zerothread 27277 159753 0 0 3 0x14200 aiodoned aiodoned 94002 374752 0 0 3 0x14200 syncer update 84811 20042 0 0 3 0x14200 cleaner cleaner 40353 194755 0 0 3 0x14200 reaper reaper 16927 143943 0 0 3 0x14200 pgdaemon pagedaemon 58034 446543 0 0 3 0x14200 bored crynlk 5535 52898 0 0 3 0x14200 bored crypto 87124 318842 0 0 3 0x40014200 acpi0 acpi0 36441 119094 0 0 3 0x14200 bored softnet 74668 244409 0 0 3 0x14200 bored systqmp 90220 235671 0 0 3 0x14200 bored systq 64671 319405 0 0 3 0x40014200 bored softclock 48450 273400 0 0 3 0x40014200 idle0 1 126304 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 9518 6346K 6362K 78643K 12840 0 0 pcb 23 9K 11K 78643K 3467 0 0 rtable 100 3K 3K 78643K 1423 0 0 ifaddr 55 16K 18K 78643K 761 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 71 0 0 iov 0 0K 28K 78643K 893 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1193 75K 76K 78643K 5367 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 86 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 732 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1777 193K 286K 78643K 12501 0 0 file desc 5 13K 21K 78643K 6503 0 0 sigio 0 0K 0K 78643K 88 0 0 proc 42 30K 54K 78643K 1401 0 0 subproc 64 65538K 67586K 78643K 228 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 955 0 0 in_multi 33 2K 2K 78643K 385 0 0 ether_multi 1 0K 0K 78643K 39 0 0 mrt 3 0K 0K 78643K 17 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 114 503K 503K 78643K 114 0 0 exec 0 0K 1K 78643K 893 0 0 pfkey data 0 0K 4K 78643K 12 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 103 21K 40K 78643K 16859 0 0 UVM aobj 130 4K 4K 78643K 152 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 192 0 0 NDP 11 0K 0K 78643K 210 0 0 temp 163 2347K 2419K 78643K 20569 0 0 kqueue 0 0K 0K 78643K 58 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 7 0 3 1 0 1 1 0 8 0 inpcbpl 280 3285 0 3278 1 0 1 1 0 8 0 plimitpl 152 84 0 77 1 0 1 1 0 8 0 rtentry 112 68 0 28 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 544 1121 0 1117 1 0 1 1 0 8 0 nd6 48 10 0 6 1 0 1 1 0 8 0 ppxss 1128 149 0 149 33 32 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 321 0 133 12 0 12 12 0 8 0 art_table 32 322 0 133 2 0 2 2 0 8 0 art_node 16 67 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 10 4 3 1 1 0 8 0 semapl 112 728 0 718 1 0 1 1 0 8 0 shmpl 112 150 0 22 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 14170 0 12635 50 0 50 50 0 8 0 ffsino 240 14170 0 12635 92 1 91 91 0 8 0 nchpl 144 23725 0 22112 61 0 61 61 0 8 0 uvmvnodes 72 6434 0 0 117 0 117 117 0 8 0 vnodes 200 6434 0 0 339 0 339 339 0 8 0 namei 1024 75748 0 75748 4 3 1 1 0 8 1 scsiplug 64 14 0 14 9 9 0 1 0 8 0 scxspl 192 95023 0 95023 41 40 1 6 0 8 1 sigapl 432 6666 0 6653 2 0 2 2 0 8 0 futexpl 56 108459 0 108459 4 3 1 1 0 8 1 knotepl 112 1639 0 1612 3 2 1 2 0 8 0 kqueuepl 104 1987 0 1985 1 0 1 1 0 8 0 pipepl 112 4616 0 4597 14 13 1 2 0 8 0 fdescpl 424 6667 0 6653 2 0 2 2 0 8 0 filepl 120 43552 0 43454 9 5 4 5 0 8 1 lockfpl 104 2424 0 2422 13 12 1 1 0 8 0 lockfspl 32 3311 0 3309 13 12 1 1 0 8 0 sessionpl 112 24 0 14 1 0 1 1 0 8 0 pgrppl 48 116 0 106 1 0 1 1 0 8 0 ucredpl 96 12768 0 12761 1 0 1 1 0 8 0 zombiepl 144 6653 0 6653 2 1 1 1 0 8 1 processpl 840 6681 0 6653 5 1 4 4 0 8 0 procpl 600 15876 0 15840 12 8 4 4 0 8 1 sosppl 128 89 0 89 26 26 0 1 0 8 0 sockpl 384 6271 0 6254 10 7 3 4 0 8 1 mcl64k 65536 3483 0 3483 355 354 1 64 0 8 1 mcl16k 16384 17 0 17 14 14 0 1 0 8 0 mcl12k 12288 153 0 153 27 26 1 1 0 8 1 mcl9k 9216 114 0 114 32 32 0 1 0 8 0 mcl8k 8192 119 0 119 34 34 0 1 0 8 0 mcl4k 4096 370 0 370 20 19 1 1 0 8 1 mcl2k2 2112 59 0 59 28 27 1 1 0 8 1 mcl2k 2048 53393 0 53361 15 10 5 10 0 8 0 mtagpl 80 4 0 4 2 2 0 1 0 8 0 mbufpl 256 123039 0 122978 175 168 7 37 0 8 0 bufpl 256 22582 0 15972 414 0 414 414 0 8 0 anonpl 16 739605 0 731558 252 204 48 57 0 62 8 amapchunkpl 152 38872 0 38771 194 188 6 97 0 158 0 amappl16 192 41436 0 41025 363 330 33 38 0 8 11 amappl15 184 2857 0 2855 1 0 1 1 0 8 0 amappl14 176 2861 0 2859 2 1 1 1 0 8 0 amappl13 168 3412 0 3409 1 0 1 1 0 8 0 amappl12 160 9 0 6 2 1 1 1 0 8 0 amappl11 152 299 0 289 1 0 1 1 0 8 0 amappl10 144 181 0 178 2 1 1 1 0 8 0 amappl9 136 369 0 366 1 0 1 1 0 8 0 amappl8 128 233 0 192 2 0 2 2 0 8 0 amappl7 120 3431 0 3423 1 0 1 1 0 8 0 amappl6 112 2912 0 2902 1 0 1 1 0 8 0 amappl5 104 391 0 381 1 0 1 1 0 8 0 amappl4 96 326 0 301 2 1 1 2 0 8 0 amappl3 88 454 0 449 1 0 1 1 0 8 0 amappl2 80 63158 0 63104 2 0 2 2 0 8 0 amappl1 72 133344 0 132926 25 15 10 19 0 8 0 amappl 72 16199 0 16162 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 64 151 0 22 3 0 3 3 0 8 0 uaddrrnd 24 6667 0 6653 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6667 0 6653 1 0 1 1 0 8 0 vmmpekpl 168 46437 0 46416 2 0 2 2 0 8 0 vmmpepl 168 715738 0 714366 288 217 71 83 0 357 2 vmsppl 264 6666 0 6653 3 2 1 2 0 8 0 pdppl 4096 13340 0 13306 5 0 5 5 0 8 0 pvpl 32 2357639 0 2346531 681 485 196 236 0 265 96 pmappl 192 6666 0 6653 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 1147 0 605 19 3 16 16 0 8 0