panic: init died (signal 0, exit 10) Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 9963 42006 0 0x2 0 0 syz-executor *174616 1 0 0x2 0x2000 1 init db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834e580d) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fffc88,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fffc88,ffff80002a1acaf0,ffff80002a1aca40) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1acaf0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1acaf0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c0bc8fbbc50, 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(ffffffff834e580d) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fffc88,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fffc88,ffff80002a1acaf0,ffff80002a1aca40) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1acaf0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1acaf0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c0bc8fbbc50, count: -6 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a1ac8c0 rbx 0xffff80002999ee0f rdx 0 rcx 0xffff800045fffc88 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x6d9e6233cbbae016 r11 0x784fd24f4744e3c8 r12 0xffff80002999ec10 r13 0 r14 0 r15 0x1 rip 0xffffffff81aa9055 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a1ac8b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (init) tid=174616 pid=1 tcnt=1 stat=onproc flags process=2 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffffffff83a018c8,0xffff800045fffa00 process=0xffff800045ffba20 user=0xffff80002a1a7000, vmspace=0xfffff8800b1f77a0 estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 21708 270535 72998 0 3 0x2 0 clonelk ifconfig 72998 247588 27711 0 3 0x100002 0x88 sigsusp sh 42420 263730 9145 0 2 0 0 syz-executor 42420 292416 9145 0 3 0 0x4000080 lockf syz-executor 27711 329987 12837 0 3 0x2 0x80 wait syz-executor 94539 82418 12837 0 3 0x2 0x80 piperd syz-executor 50474 266640 12837 0 2 0x2 0 syz-executor 42006 9963 12837 0 7 0x2 0 syz-executor 114 61802 12837 0 3 0x2 0x80 piperd syz-executor 9145 498076 12837 0 3 0x2 0x80 nanoslp syz-executor 12837 373494 65958 0 3 0x2 0x80 wait syz-executor 65958 427672 92321 0 3 0x100002 0x88 sigsusp ksh 92321 293640 43240 0 3 0x10 0x88 kqread sshd-session 43240 387502 40082 0 3 0x12 0x80 kqread sshd-session 38322 36882 1 0 3 0x100003 0x80 ttyin getty 40082 63519 1 0 3 0 0x88 kqread sshd 45204 424335 21803 74 3 0x1100012 0x80 bpf pflogd 21803 135563 1 0 3 0 0x80 sbwait pflogd 87482 216583 10664 73 3 0x1100010 0x80 kqread syslogd 10664 92821 1 0 3 0x100002 0x80 sbwait syslogd 53345 47595 1 0 3 0x100000 0x80 kqread resolvd 82674 318488 16549 77 3 0x100012 0x80 kqread dhcpleased 38470 255257 16549 77 3 0x100012 0x80 kqread dhcpleased 16549 345369 1 0 3 0 0x80 kqread dhcpleased 41947 328134 0 0 3 0x14000 0x200 bored smr 69793 227842 0 0 2 0x14000 0x200 zerothread 81390 442300 0 0 3 0x14000 0x200 aiodoned aiodoned 19830 37459 0 0 3 0x14000 0x200 syncer update 55152 480896 0 0 3 0x14000 0x200 cleaner cleaner 46087 407798 0 0 3 0x14000 0x200 reaper reaper 59397 245579 0 0 3 0x14000 0x200 pgdaemon pagedaemon 51797 128438 0 0 3 0x14000 0x200 bored viomb 95683 8224 0 0 3 0x14000 0x40000200 acpi0 acpi0 58732 79865 0 0 3 0x14000 0x40000200 idle1 13485 13669 0 0 3 0x14000 0x200 bored softnet1 34768 77062 0 0 3 0x14000 0x200 bored softnet0 87707 379416 0 0 3 0x14000 0x200 bored systqmp 99289 8700 0 0 3 0x14000 0x200 bored systq 35562 426165 0 0 3 0x14000 0x200 tmoslp softclockmp 46860 22096 0 0 3 0x14000 0x40000200 tmoslp softclock 31291 80405 0 0 3 0x14000 0x40000200 idle0 * 1 174616 0 0 7 0x2 0x2000 init 0 0 -1 0 3 0x10010000 0x200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &sched_lock r = 0 (0xffffffff839f9628) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 preempt+0x35 sys/kern/sched_bsd.c:338 #3 ast+0x15c mi_ast sys/sys/syscall_mi.h:252 [inline] #3 ast+0x15c sys/arch/amd64/amd64/trap.c:755 #4 Xsyscall+0x156 Process 94539 (syz-executor) thread 0xffff800045fe9788 (82418) exclusive rrwlock inode r = 0 (0xfffff8807aad0908) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:150 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3063 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffff88073790360) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c1 sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3048 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 1 (init) thread 0xffff800045fffc88 (174616) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83b1d300) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:791 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11081 12089K 12223K 166960K 12454 0 pcb 17 12K 12K 166960K 53 0 rtable 230 9K 9K 166960K 2181 0 pf 40 19K 21K 166960K 194 0 ifaddr 41 7K 8K 166960K 298 0 ifgroup 56 2K 2K 166960K 313 0 sysctl 3 1K 9K 166960K 9 0 counters 70 37K 37K 166960K 202 0 ioctlops 0 0K 4K 166960K 1784 0 iov 0 0K 16K 166960K 80 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1321 83K 84K 166960K 2115 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 27 1K 2K 166960K 477 0 dirhash 15 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 93K 166960K 1287 0 sigio 0 0K 0K 166960K 3 0 proc 80 131K 180K 166960K 2278 0 subproc 72 4K 4K 166960K 621 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 88 0 in_multi 89 6K 6K 166960K 765 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 29 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 199 890K 890K 166960K 199 0 exec 0 0K 1K 166960K 1187 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 196 175K 191K 166960K 10089 0 UVM aobj 9 2K 2K 166960K 10 0 pinsyscall 39 78K 108K 166960K 4037 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 8 0 NDP 12 0K 2K 166960K 214 0 temp 40 9123K 9143K 166960K 21118 0 kqueue 13 20K 24K 166960K 68 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 120 165 0 162 1 0 1 1 0 8 0 rtentry 176 775 0 674 7 2 5 6 0 8 0 unpcb 144 129 0 110 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 48 0 44 1 0 1 1 0 8 0 arp 136 140 0 122 1 0 1 1 0 8 0 inpcb 328 466 0 458 3 1 2 2 0 8 1 nd6 152 204 0 183 1 0 1 1 0 8 0 pkpcb 40 846 0 846 2 1 1 1 0 8 1 kcovpl 48 69 0 61 1 0 1 1 0 8 0 ppxss 1192 4 0 4 2 2 0 1 0 8 0 pfstscr 40 4 0 4 1 1 0 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 67 0 64 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 6 0 1 1 0 1 1 0 8 0 pfsrclim 320 2 0 1 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 52 0 19 1 0 1 1 0 8 0 pfstkey 128 56 0 23 2 0 2 2 0 8 0 pfstate 448 54 0 21 5 0 5 5 0 8 0 pfrule 1360 26 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 3102 0 2679 32 2 30 30 0 8 0 art_table 40 3103 0 2679 5 0 5 5 0 8 0 art_node 32 775 0 684 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 72 474 0 449 1 0 1 1 0 8 0 shmpl 120 7 0 1 2 1 1 1 0 8 0 dirhash 1024 19 0 0 3 0 3 3 0 8 0 dino2pl 256 2088 0 497 100 0 100 100 0 8 0 ffsino 296 2088 0 497 123 0 123 123 0 8 0 nchpl 144 2959 0 1029 72 0 72 72 0 8 0 vnodes 216 2849 0 0 159 0 159 159 0 8 0 namei 1024 20531 0 20531 4 3 1 2 0 8 1 percpumem 16 117 0 66 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 159 0 132 3 1 2 3 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 8686 0 8686 8 7 1 7 1 8 1 plimitpl 152 282 0 265 1 0 1 1 0 8 0 sigapl 424 1492 0 1448 8 2 6 7 0 8 0 knotepl 120 304 0 0 10 0 10 10 0 8 0 kqueuepl 224 86 0 77 1 0 1 1 0 8 0 pipepl 344 423 0 396 6 3 3 6 0 8 0 fdescpl 528 1475 0 1447 3 0 3 3 0 8 0 filepl 160 7545 0 7333 18 6 12 15 0 8 0 lockfpl 104 84 0 79 1 0 1 1 0 8 0 lockfspl 48 40 0 36 1 0 1 1 0 8 0 sessionpl 144 93 0 83 1 0 1 1 0 8 0 pgrppl 48 165 0 147 1 0 1 1 0 8 0 ucredpl 104 532 0 519 1 0 1 1 0 8 0 zombiepl 144 1451 0 1448 1 0 1 1 0 8 0 processpl 1240 1492 0 1448 5 1 4 5 0 8 0 procpl 664 1981 0 1936 7 2 5 6 0 8 0 sosppl 176 2 0 2 1 1 0 1 0 8 0 sockpl 752 1615 0 1585 12 2 10 11 0 8 6 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k 2048 27 0 0 4 1 3 4 0 8 0 mextrefs 64 26 0 0 1 0 1 1 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 201 0 0 13 0 13 13 0 8 0 bufpl 272 2873 0 106 185 0 185 185 0 8 0 anonpl 32 7551 0 0 61 0 61 61 0 247 0 amapchunkpl 152 27054 0 26714 30 11 19 26 0 158 1 amappl16 200 1873 0 1858 17 15 2 14 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 1197 0 1195 1 0 1 1 0 8 0 amappl13 176 257 0 245 1 0 1 1 0 8 0 amappl12 168 2073 0 2046 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 63 0 49 1 0 1 1 0 8 0 amappl9 144 275 0 275 1 1 0 1 0 8 0 amappl8 136 341 0 338 1 0 1 1 0 8 0 amappl7 128 267 0 254 1 0 1 1 0 8 0 amappl6 120 858 0 853 1 0 1 1 0 8 0 amappl5 112 100 0 89 1 0 1 1 0 8 0 amappl4 104 480 0 460 1 0 1 1 0 8 0 amappl3 96 5220 0 5151 3 0 3 3 0 8 0 amappl2 88 1371 0 1297 2 0 2 2 0 8 0 amappl1 80 19330 0 18743 15 2 13 15 0 8 0 amappl 88 8278 0 8157 4 0 4 4 0 92 0 uvmvnodes 80 110 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 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 9 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1475 0 1447 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1475 0 1447 1 0 1 1 0 8 0 vmmpekpl 168 13347 0 13294 3 0 3 3 0 8 0 vmmpepl 168 102531 0 100866 98 15 83 95 0 357 1 vmsppl 488 1474 0 1447 5 0 5 5 0 8 0 rwobjpl 80 30167 0 29173 28 5 23 27 0 8 0 pdppl 4096 2957 0 2894 157 88 69 85 0 8 6 pvpl 32 13228 0 0 108 1 107 107 0 265 0 pmappl 256 1474 0 1447 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 532 0 99 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff839afff0) 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 __mp_lock(ffffffff83b1cb00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b1cb00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 syscall(ffff80002a2dc030) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a2dc030) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74dfc6f0db30, count: 9 ddb{0}> trace x86_ipi_db(ffffffff839afff0) 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 __mp_lock(ffffffff83b1cb00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b1cb00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 syscall(ffff80002a2dc030) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a2dc030) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74dfc6f0db30, count: -6 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(ffffffff834e580d) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fffc88,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fffc88,ffff80002a1acaf0,ffff80002a1aca40) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1acaf0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1acaf0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c0bc8fbbc50, count: 9 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834e580d) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fffc88,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fffc88,ffff80002a1acaf0,ffff80002a1aca40) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1acaf0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1acaf0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c0bc8fbbc50, count: -6