panic: pledge_namei: ni_pledge Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *319906 41103 0 0x502000 0x4080000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830334e0) at panic+0x1cf sys/kern/subr_prf.c:198 pledge_namei(ffff80002a4b0298,ffff80002a58b368,ffff80002a47a800) at pledge_namei+0xb59 sys/kern/kern_pledge.c:599 namei(ffff80002a58b368) at namei+0x424 sys/kern/vfs_lookup.c:202 sys_chroot(ffff80002a4b0298,ffff80002a58b540,ffff80002a58b490) at sys_chroot+0xb5 change_dir sys/kern/vfs_syscalls.c:839 [inline] sys_chroot(ffff80002a4b0298,ffff80002a58b540,ffff80002a58b490) at sys_chroot+0xb5 sys/kern/vfs_syscalls.c:811 syscall(ffff80002a58b540) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6899f2f6bb0, count: 8 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 *cpu0: pledge_namei: ni_pledge ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830334e0) at panic+0x1cf sys/kern/subr_prf.c:198 pledge_namei(ffff80002a4b0298,ffff80002a58b368,ffff80002a47a800) at pledge_namei+0xb59 sys/kern/kern_pledge.c:599 namei(ffff80002a58b368) at namei+0x424 sys/kern/vfs_lookup.c:202 sys_chroot(ffff80002a4b0298,ffff80002a58b540,ffff80002a58b490) at sys_chroot+0xb5 change_dir sys/kern/vfs_syscalls.c:839 [inline] sys_chroot(ffff80002a4b0298,ffff80002a58b540,ffff80002a58b490) at sys_chroot+0xb5 sys/kern/vfs_syscalls.c:811 syscall(ffff80002a58b540) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6899f2f6bb0, count: -7 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80002a58adb0 rbx 0 rdx 0 rcx 0 rax 0xffff80002a4b0298 r8 0x101010101010101 r9 0x8080808080808080 r10 0x94e61e02342d38c0 r11 0xff427a1055212643 r12 0 r13 0xffff80002a47a800 r14 0 r15 0x1 rip 0xffffffff818517f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a58ada0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor) tid=319906 pid=41103 tcnt=4 stat=onproc flags process=502000 proc=4080000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a5982c8 scnt=1 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a4b0a30,0xffff80002a598560 process=0xffff800030df59c8 user=0xffff80002a586000, vmspace=0xfffffd807821ead8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 41103 298781 49001 0 4 0x582000 syz-executor *41103 319906 49001 0 7 0x4582000 syz-executor 41103 158723 49001 0 4 0x4582000 syz-executor 41103 523819 49001 0 3 0x4502000 suspend syz-executor 88200 316913 66154 0 3 0x80 fsleep syz-executor 88200 221790 66154 0 3 0x4000080 kqpoll syz-executor 47699 184100 33444 0 3 0x80 fsleep syz-executor 47699 137095 33444 0 3 0x4000080 sbwait syz-executor 19254 124577 43429 0 3 0x80 fsleep syz-executor 19254 218608 43429 0 3 0x4000080 pipewr syz-executor 65342 305699 75783 0 3 0x80 fsleep syz-executor 65342 163346 75783 0 3 0x4000080 sbwait syz-executor 39722 22344 84251 0 3 0x80 fsleep syz-executor 39722 91427 84251 0 3 0x4000080 sbwait syz-executor 26558 182552 21169 0 3 0x80 fsleep syz-executor 26558 275336 21169 0 3 0x4000080 rest syz-executor 81619 471453 61979 0 3 0x80 fsleep syz-executor 81619 148624 61979 0 3 0x4000080 sbwait syz-executor 66154 182144 3081 0 3 0x82 nanoslp syz-executor 8591 413622 1 0 3 0x100083 ttyin getty 75783 202565 3081 0 3 0x82 nanoslp syz-executor 60115 138437 0 0 3 0x14280 nfsidl nfsio 46595 404661 0 0 3 0x14280 nfsidl nfsio 68156 406356 0 0 3 0x14280 nfsidl nfsio 72071 421728 0 0 3 0x14280 nfsidl nfsio 59375 278444 0 0 3 0x14280 nfsidl nfsio 31148 111599 0 0 3 0x14280 nfsidl nfsio 97540 468095 0 0 3 0x14280 nfsidl nfsio 71175 521898 0 0 3 0x14280 nfsidl nfsio 17516 370964 0 0 3 0x14280 nfsidl nfsio 94783 459794 0 0 3 0x14280 nfsidl nfsio 37146 49874 0 0 3 0x14280 nfsidl nfsio 53325 1786 0 0 3 0x14280 nfsidl nfsio 93915 314344 0 0 3 0x14280 nfsidl nfsio 85280 459516 0 0 3 0x14280 nfsidl nfsio 59454 466971 0 0 3 0x14280 nfsidl nfsio 60647 117396 0 0 3 0x14280 nfsidl nfsio 11642 81567 0 0 3 0x14280 nfsidl nfsio 90242 269368 0 0 3 0x14280 nfsidl nfsio 91535 479488 0 0 3 0x14280 nfsidl nfsio 85248 224575 0 0 3 0x14280 nfsidl nfsio 57476 255510 0 0 3 0x14200 bored sosplice 43429 156435 3081 0 3 0x82 nanoslp syz-executor 84251 125080 3081 0 3 0x82 nanoslp syz-executor 33444 368206 3081 0 3 0x82 nanoslp syz-executor 49001 277067 3081 0 3 0x82 nanoslp syz-executor 21169 123974 3081 0 3 0x82 nanoslp syz-executor 61979 63274 3081 0 3 0x82 nanoslp syz-executor 3081 117342 70025 0 3 0x82 kqread syz-executor 70025 418797 66463 0 3 0x10008a sigsusp ksh 66463 364103 28557 0 3 0x98 kqread sshd-session 28557 70190 67234 0 3 0x92 kqread sshd-session 67234 122673 1 0 3 0x88 kqread sshd 89003 482939 26538 73 3 0x1100090 kqread syslogd 26538 464090 1 0 3 0x100082 sbwait syslogd 20618 124173 1 0 3 0x100080 kqread resolvd 61379 512260 89166 77 3 0x100092 kqread dhcpleased 84915 437846 89166 77 3 0x100092 kqread dhcpleased 89166 343092 1 0 3 0x80 kqread dhcpleased 56856 219762 0 0 3 0x14200 bored smr 84937 389484 0 0 3 0x14200 pgzero zerothread 86866 420008 0 0 3 0x14200 aiodoned aiodoned 15694 260306 0 0 3 0x14200 syncer update 33021 433356 0 0 3 0x14200 cleaner cleaner 83121 244181 0 0 3 0x14200 reaper reaper 85823 333549 0 0 3 0x14200 pgdaemon pagedaemon 70435 134072 0 0 3 0x14200 bored viomb 6571 318365 0 0 3 0x40014200 acpi0 acpi0 20750 265604 0 0 3 0x14200 bored softnet3 96434 520809 0 0 3 0x14200 bored softnet2 66538 435337 0 0 3 0x14200 bored softnet1 31007 79220 0 0 3 0x14200 bored softnet0 17764 285905 0 0 3 0x14200 bored systqmp 77842 344115 0 0 3 0x14200 bored systq 38567 133539 0 0 3 0x40014200 tmoslp softclock 11175 191521 0 0 3 0x40014200 idle0 1 429772 0 0 3 0x80082 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 devbuf 10186 11122K 11503K 166960K 13283 0 pcb 17 15K 16K 166960K 413 0 rtable 176 5K 7K 166960K 746 0 pf 37 14K 18K 166960K 102 0 ifaddr 38 6K 7K 166960K 84 0 ifgroup 53 2K 2K 166960K 119 0 sysctl 4 1K 1K 166960K 6 0 counters 30 17K 17K 166960K 53 0 ioctlops 0 0K 4K 166960K 199 0 iov 2 6K 28K 166960K 74 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1458 92K 93K 166960K 2448 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 21 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 70 0 dirhash 12 2K 2K 166960K 42 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 89K 166960K 1230 0 sigio 0 0K 0K 166960K 18 0 proc 60 59K 91K 166960K 631 0 subproc 104 6K 6K 166960K 134 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 211 0 in_multi 72 5K 7K 166960K 151 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 584 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 223 72K 92K 166960K 12643 0 UVM aobj 67 3K 3K 166960K 72 0 pinsyscall 39 78K 95K 166960K 2319 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 85 0 NDP 11 0K 2K 166960K 57 0 temp 77 6816K 6912K 166960K 50470 0 kqueue 13 20K 32K 166960K 228 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 122 0 119 1 0 1 1 0 8 0 rtentry 112 274 0 196 4 0 4 4 0 8 0 unpcb 144 1417 0 1386 10 4 6 6 0 8 4 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpqe 32 13 0 13 1 1 0 1 0 8 0 tcpcb 808 441 0 435 9 7 2 8 0 8 1 arp 88 63 0 47 1 0 1 1 0 8 0 ipq 40 3 0 0 1 0 1 1 0 8 0 ipqe 40 5 0 0 1 0 1 1 0 8 0 inpcb 336 1825 0 1814 14 10 4 12 0 8 2 nd6 104 41 0 24 1 0 1 1 0 8 0 pkpcb 40 9 0 9 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1072 17 0 17 2 1 1 1 0 8 1 pfstscr 40 6 0 5 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 3 0 0 1 0 1 1 0 8 0 pfstkey 128 11 0 8 1 0 1 1 0 8 0 pfstate 344 7 0 5 1 0 1 1 0 8 0 pfrule 1344 8 0 7 2 1 1 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 728 0 387 33 11 22 31 0 8 0 art_table 32 731 0 387 4 0 4 4 0 8 0 art_node 16 268 0 202 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 67 0 57 1 0 1 1 0 8 0 shmpl 112 69 0 5 2 0 2 2 0 8 0 dirhash 1024 37 0 20 3 0 3 3 0 8 0 dino2pl 256 3504 0 2008 94 0 94 94 0 8 0 ffsino 240 3504 0 2008 89 0 89 89 0 8 0 nchpl 144 5184 0 3498 63 0 63 63 0 8 0 uvmvnodes 80 4364 0 0 90 0 90 90 0 8 0 vnodes 216 4364 0 0 243 0 243 243 0 8 0 namei 1024 18544 0 18543 2 1 1 2 0 8 0 kstatmem 264 68 0 46 2 0 2 2 0 8 0 scsiplug 72 4 0 4 2 1 1 1 0 8 1 scxspl 216 15049 0 15049 8 7 1 8 1 8 1 plimitpl 152 274 0 257 1 0 1 1 0 8 0 sigapl 424 1532 0 1465 8 0 8 8 0 8 0 futexpl 64 17391 0 17384 1 0 1 1 0 8 0 knotepl 120 43093 0 43046 38 29 9 25 0 8 7 kqueuepl 184 337 0 327 1 0 1 1 0 8 0 pipepl 288 208 0 180 3 0 3 3 0 8 0 fdescpl 432 1493 0 1463 5 1 4 5 0 8 0 filepl 120 10465 0 10202 16 4 12 14 0 8 2 lockfpl 104 526 0 524 2 1 1 2 0 8 0 lockfspl 48 191 0 189 1 0 1 1 0 8 0 sessionpl 144 26 0 18 1 0 1 1 0 8 0 pgrppl 48 84 0 68 1 0 1 1 0 8 0 ucredpl 104 1821 0 1810 1 0 1 1 0 8 0 zombiepl 144 1572 0 1572 1 0 1 1 0 8 1 processpl 1096 1532 0 1465 5 0 5 5 0 8 0 procpl 648 3152 0 3075 9 1 8 8 0 8 0 sosppl 168 10 0 10 1 1 0 1 0 8 0 sockpl 504 3427 0 3382 51 37 14 22 0 8 7 mcl64k 65536 25 0 24 2 1 1 1 0 8 0 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl8k 8192 92 0 92 2 1 1 1 0 8 1 mcl4k 4096 4056 0 4001 13 5 8 13 0 8 0 mcl2k 2048 1584 0 1580 6 3 3 4 0 8 2 mtagpl 96 46 0 19 1 0 1 1 0 8 0 mbufpl 256 16288 0 16037 27 9 18 26 0 8 0 bufpl 280 4252 0 106 297 0 297 297 0 8 0 anonpl 24 224619 0 221311 45 16 29 45 0 187 0 amapchunkpl 152 49977 0 49500 52 16 36 36 0 158 16 amappl16 200 5266 0 5234 22 16 6 15 0 8 2 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 115 0 105 1 0 1 1 0 8 0 amappl13 176 22 0 22 1 1 0 1 0 8 0 amappl12 168 2142 0 2112 3 1 2 3 0 8 0 amappl11 160 81 0 71 1 0 1 1 0 8 0 amappl10 152 75 0 75 1 1 0 1 0 8 0 amappl9 144 134 0 134 1 1 0 1 0 8 0 amappl8 136 34 0 33 1 0 1 1 0 8 0 amappl7 128 103 0 93 1 0 1 1 0 8 0 amappl6 120 183 0 181 1 0 1 1 0 8 0 amappl5 112 172 0 163 1 0 1 1 0 8 0 amappl4 104 297 0 283 1 0 1 1 0 8 0 amappl3 96 7794 0 7703 3 0 3 3 0 8 0 amappl2 88 1785 0 1707 2 0 2 2 0 8 0 amappl1 80 11216 0 10697 13 0 13 13 0 8 0 amappl 88 12151 0 11983 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 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 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 71 0 5 2 0 2 2 0 8 0 uaddrrnd 24 1493 0 1463 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1493 0 1463 1 0 1 1 0 8 0 vmmpekpl 168 12287 0 12250 3 0 3 3 0 8 1 vmmpepl 168 95767 0 93991 90 10 80 89 0 357 1 vmsppl 344 1492 0 1463 4 1 3 4 0 8 0 rwobjpl 24 31361 0 26086 32 0 32 32 0 8 0 pdppl 4096 2992 0 2926 104 36 68 78 0 8 2 pvpl 32 615870 0 606790 107 23 84 107 0 265 0 pmappl 216 1492 0 1463 2 0 2 2 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 463 0 128 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830334e0) at panic+0x1cf sys/kern/subr_prf.c:198 pledge_namei(ffff80002a4b0298,ffff80002a58b368,ffff80002a47a800) at pledge_namei+0xb59 sys/kern/kern_pledge.c:599 namei(ffff80002a58b368) at namei+0x424 sys/kern/vfs_lookup.c:202 sys_chroot(ffff80002a4b0298,ffff80002a58b540,ffff80002a58b490) at sys_chroot+0xb5 change_dir sys/kern/vfs_syscalls.c:839 [inline] sys_chroot(ffff80002a4b0298,ffff80002a58b540,ffff80002a58b490) at sys_chroot+0xb5 sys/kern/vfs_syscalls.c:811 syscall(ffff80002a58b540) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6899f2f6bb0, count: -7 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830334e0) at panic+0x1cf sys/kern/subr_prf.c:198 pledge_namei(ffff80002a4b0298,ffff80002a58b368,ffff80002a47a800) at pledge_namei+0xb59 sys/kern/kern_pledge.c:599 namei(ffff80002a58b368) at namei+0x424 sys/kern/vfs_lookup.c:202 sys_chroot(ffff80002a4b0298,ffff80002a58b540,ffff80002a58b490) at sys_chroot+0xb5 change_dir sys/kern/vfs_syscalls.c:839 [inline] sys_chroot(ffff80002a4b0298,ffff80002a58b540,ffff80002a58b490) at sys_chroot+0xb5 sys/kern/vfs_syscalls.c:811 syscall(ffff80002a58b540) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6899f2f6bb0, count: -7