panic: init died (signal 0, exit 10) Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 79090 67843 0 0 0 0 syz-executor *121073 1 0 0x50000002 0x2000 1K init db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834d3aab) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fff758,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fff758,ffff80002a1ac220,ffff80002a1ac170) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1ac220) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1ac220) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75b1a8995000, count: 9 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: init died (signal 0, exit 10) ddb{1}> show kasan No such command ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834d3aab) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fff758,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fff758,ffff80002a1ac220,ffff80002a1ac170) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1ac220) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1ac220) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75b1a8995000, count: -6 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a1abff0 rbx 0xffff80002999ee07 rdx 0 rcx 0xffff800045fff758 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xeda284aa296aedc1 r11 0xec1fa54804e0e40e r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82eb5ba5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a1abfe0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (init) tid=121073 pid=1 tcnt=1 stat=onproc flags process=50000002 proc=2000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffffffff83aa0770,0xffff800045ffed08 process=0xffff800045ffab50 user=0xffff80002a1a7000, vmspace=0xfffffb000b1cbb70 estcpu=0, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 59242 401447 93467 0 2 0 0 syz-executor 59242 352006 93467 0 2 0 0x4000000 syz-executor 62960 351047 79783 0 2 0 0 syz-executor 62960 227063 79783 0 3 0 0x4000000 smrbar syz-executor 67843 79090 12897 0 7 0 0 syz-executor 67843 29230 12897 0 2 0 0x4000080 syz-executor 99051 17505 95381 0 3 0 0x80 nanoslp syz-executor 99051 118893 95381 0 3 0 0x4000000 clonelk syz-executor 99051 220172 95381 0 3 0 0x4000000 clonelk syz-executor 99051 421331 95381 0 3 0 0x4000080 fsleep syz-executor 79189 504845 24274 0 3 0 0x80 nanoslp syz-executor 79189 344675 24274 0 3 0 0x4000080 fsleep syz-executor 79189 212935 24274 0 3 0 0x4000000 smrbar syz-executor 28789 186019 33192 0 3 0 0x80 nanoslp syz-executor 28789 521708 33192 0 3 0 0x4000080 kqpoll syz-executor 28789 249436 33192 0 3 0 0x4000080 fsleep syz-executor 95539 491267 19882 0 3 0 0x80 nanoslp syz-executor 95539 232071 19882 0 3 0 0x4000080 kqread syz-executor 95539 387306 19882 0 3 0 0x4000080 fsleep syz-executor 54567 125044 0 0 3 0x14000 0x280 nfsidl nfsio 49041 110190 0 0 3 0x14000 0x280 nfsidl nfsio 19193 135543 0 0 3 0x14000 0x280 nfsidl nfsio 5428 457870 0 0 3 0x14000 0x280 nfsidl nfsio 83387 273793 0 0 3 0x14000 0x280 nfsidl nfsio 40026 307587 0 0 3 0x14000 0x280 nfsidl nfsio 67496 101930 0 0 3 0x14000 0x280 nfsidl nfsio 32079 134395 0 0 3 0x14000 0x280 nfsidl nfsio 98498 518617 0 0 3 0x14000 0x280 nfsidl nfsio 16944 192508 0 0 3 0x14000 0x280 nfsidl nfsio 11693 113967 0 0 3 0x14000 0x280 nfsidl nfsio 36099 387068 0 0 3 0x14000 0x280 nfsidl nfsio 8476 509175 0 0 3 0x14000 0x280 nfsidl nfsio 18620 328543 0 0 3 0x14000 0x280 nfsidl nfsio 87050 100585 0 0 3 0x14000 0x280 nfsidl nfsio 35924 361124 0 0 3 0x14000 0x280 nfsidl nfsio 63184 476003 0 0 3 0x14000 0x280 nfsidl nfsio 61051 359059 0 0 3 0x14000 0x280 nfsidl nfsio 37068 271456 0 0 3 0x14000 0x280 nfsidl nfsio 74657 299945 0 0 3 0x14000 0x280 nfsidl nfsio 33192 250395 949 0 3 0x2 0x80 nanoslp syz-executor 12897 48597 949 0 3 0x2 0x80 nanoslp syz-executor 79783 19493 949 0 3 0x2 0x80 nanoslp syz-executor 93467 429876 949 0 3 0x2 0x80 nanoslp syz-executor 19882 317057 949 0 3 0x2 0x80 nanoslp syz-executor 95381 8491 949 0 3 0x2 0x80 nanoslp syz-executor 3444 379546 949 0 3 0x2 0x80 nanoslp syz-executor 24274 131200 949 0 3 0x2 0x80 nanoslp syz-executor 949 324549 1 0 3 0x2 0x80 kqread syz-executor 96715 19736 0 0 2 0x14000 0x40000200 smr 62953 192406 0 0 2 0x14000 0x200 zerothread 40534 368506 0 0 3 0x14000 0x200 aiodoned aiodoned 35452 45527 0 0 3 0x14000 0x200 syncer update 17184 103696 0 0 3 0x14000 0x200 cleaner cleaner 86815 440625 0 0 3 0x14000 0x200 reaper reaper 66380 177107 0 0 3 0x14000 0x200 pgdaemon pagedaemon 90528 311917 0 0 3 0x14000 0x200 bored viomb 9064 129316 0 0 3 0x14000 0x40000200 acpi0 acpi0 50397 482330 0 0 3 0x14000 0x40000200 idle1 25266 354425 0 0 3 0x14000 0x200 bored softnet1 26102 422247 0 0 3 0x14000 0x200 bored softnet0 16249 213956 0 0 3 0x14000 0x200 smrbar systqmp 71618 471343 0 0 3 0x14000 0x200 bored systq 47280 276925 0 0 3 0x14000 0x200 tmoslp softclockmp 63116 148377 0 0 3 0x14000 0x40000200 tmoslp softclock 40731 267516 0 0 3 0x14000 0x40000200 idle0 * 1 121073 0 0 7 0x50000002 0x2000 init 0 0 -1 0 3 0x10010000 0x200 scheduler swapper ddb{1}> show all locks Process 67843 (syz-executor) thread 0xffff80002a326fc0 (79090) Process 79189 (syz-executor) thread 0xffff80002a333cc0 (212935) Process 16249 (systqmp) thread 0xffff800045ffe000 (213956) Process 1 (init) thread 0xffff800045fff758 (121073) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11058 12210K 12401K 166960K 12764 0 pcb 17 12K 12K 166960K 121 0 rtable 222 9K 11K 166960K 476 0 pf 42 19K 25K 166960K 138 0 ifaddr 36 6K 7K 166960K 66 0 ifgroup 52 2K 2K 166960K 103 0 sysctl 3 1K 9K 166960K 11 0 counters 72 37K 37K 166960K 114 0 ioctlops 0 0K 4K 166960K 1579 0 iov 0 0K 16K 166960K 21 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1313 83K 83K 166960K 1876 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 32 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 17 65K 97K 166960K 586 0 sigio 0 0K 0K 166960K 6 0 proc 12 17K 164K 166960K 629 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 87 0 in_multi 77 5K 6K 166960K 126 0 ether_multi 1 0K 0K 166960K 4 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 536 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 135 78K 177K 166960K 7081 0 UVM aobj 16 2K 2K 166960K 16 0 pinsyscall 18 36K 108K 166960K 1791 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 10 0 NDP 11 0K 1K 166960K 43 0 temp 40 9119K 9182K 166960K 11753 0 kqueue 2 4K 28K 166960K 101 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 120 137 0 137 3 0 3 3 0 8 3 rtentry 176 138 0 45 6 1 5 6 0 8 0 unpcb 144 298 0 294 2 0 2 2 0 8 1 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpcb 736 119 0 117 3 0 3 3 0 8 2 arp 136 22 0 8 1 0 1 1 0 8 0 ipq 40 4 0 1 1 0 1 1 0 8 0 ipqe 40 6 0 3 1 0 1 1 0 8 0 inpcb 328 583 0 579 10 6 4 7 0 8 3 nd6 152 32 0 10 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 15 0 12 2 1 1 1 0 8 0 pppxif 1576 3 0 3 2 1 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 4 0 0 1 0 1 1 0 8 0 pffrent 40 4 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 pfrktable 1344 9 0 6 2 1 1 1 0 8 0 pfanchor 1288 15 0 9 1 0 1 1 0 8 0 pftag 88 2 0 2 2 1 1 1 0 8 1 pfstitem 24 32 0 0 1 0 1 1 0 8 0 pfstkey 128 34 0 2 2 0 2 2 0 8 0 pfstate 448 31 0 1 4 0 4 4 0 8 0 pfrule 1360 33 0 25 2 0 2 2 0 8 0 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 641 0 207 29 0 29 29 0 8 1 art_table 40 642 0 207 5 0 5 5 0 8 0 art_node 32 137 0 51 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 72 26 0 16 1 0 1 1 0 8 0 shmpl 112 13 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2500 0 1032 93 0 93 93 0 8 0 ffsino 296 2500 0 1032 114 0 114 114 0 8 0 nchpl 144 3300 0 1591 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 vnodes 216 2839 0 0 158 0 158 158 0 8 0 namei 1024 10777 0 10777 5 2 3 3 0 8 3 percpumem 16 73 0 21 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 1 1 0 1 1 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 kstatmem 264 53 0 28 2 0 2 2 0 8 0 scsiplug 72 4 0 4 1 0 1 1 0 8 1 scxspl 216 12179 0 12179 6 3 3 3 1 8 3 plimitpl 152 80 0 63 1 0 1 1 0 8 0 sigapl 424 929 0 861 9 1 8 8 0 8 0 knotepl 120 310 0 0 10 0 10 10 0 8 0 kqueuepl 224 145 0 141 2 0 2 2 0 8 1 pipepl 344 153 0 126 3 0 3 3 0 8 0 fdescpl 528 892 0 873 3 0 3 3 0 8 0 filepl 160 4939 0 4770 17 3 14 14 0 8 3 lockfpl 104 211 0 210 1 0 1 1 0 8 0 lockfspl 48 93 0 92 1 0 1 1 0 8 0 sessionpl 144 115 0 106 1 0 1 1 0 8 0 pgrppl 48 194 0 177 1 0 1 1 0 8 0 ucredpl 104 983 0 970 1 0 1 1 0 8 0 zombiepl 144 875 0 861 1 0 1 1 0 8 0 processpl 1232 929 0 861 6 0 6 6 0 8 0 procpl 664 1663 0 1583 8 0 8 8 0 8 0 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 752 1036 0 1028 19 10 9 11 0 8 8 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mextrefs 64 18 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 249 0 0 16 0 16 16 0 8 0 bufpl 272 4991 0 105 326 0 326 326 0 8 0 anonpl 32 9607 0 0 79 1 78 78 0 247 0 amapchunkpl 152 22249 0 21868 39 9 30 30 0 158 11 amappl16 200 1827 0 1788 12 7 5 12 0 8 1 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 454 0 453 1 0 1 1 0 8 0 amappl13 176 129 0 129 1 0 1 1 0 8 1 amappl12 168 1149 0 1130 2 0 2 2 0 8 0 amappl11 160 38 0 38 1 1 0 1 0 8 0 amappl10 152 66 0 66 1 0 1 1 0 8 1 amappl9 144 278 0 278 1 1 0 1 0 8 0 amappl8 136 105 0 105 1 0 1 1 0 8 1 amappl7 128 209 0 207 1 0 1 1 0 8 0 amappl6 120 167 0 166 1 0 1 1 0 8 0 amappl5 112 97 0 96 1 0 1 1 0 8 0 amappl4 104 301 0 298 1 0 1 1 0 8 0 amappl3 96 3986 0 3921 3 0 3 3 0 8 0 amappl2 88 1014 0 988 2 0 2 2 0 8 0 amappl1 80 12439 0 12346 15 2 13 15 0 8 6 amappl 88 6196 0 6073 5 0 5 5 0 92 0 uvmvnodes 80 109 0 0 3 0 3 3 0 8 0 dma65536 65536 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 128 255 0 255 2 1 1 1 0 8 1 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 15 0 0 1 0 1 1 0 8 0 uaddrrnd 24 892 0 873 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 892 0 873 1 0 1 1 0 8 0 vmmpekpl 168 9130 0 9091 3 0 3 3 0 8 0 vmmpepl 168 63471 0 62603 97 8 89 95 0 357 48 vmsppl 488 891 0 873 5 0 5 5 0 8 1 rwobjpl 80 19295 0 18862 26 2 24 26 0 8 1 pdppl 4096 1791 0 1746 109 62 47 87 0 8 2 pvpl 32 18126 0 0 147 0 147 147 0 265 0 pmappl 256 891 0 873 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 622 0 68 17 0 17 17 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83905ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x77369ff03e80, count: 12 ddb{0}> trace x86_ipi_db(ffffffff83905ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x77369ff03e80, count: -3 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834d3aab) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fff758,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fff758,ffff80002a1ac220,ffff80002a1ac170) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1ac220) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1ac220) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75b1a8995000, count: 9 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834d3aab) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fff758,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fff758,ffff80002a1ac220,ffff80002a1ac170) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1ac220) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1ac220) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75b1a8995000, count: -6 ddb{1}>