login: *@ *A\mtiS*m& K,C,Դ5IőB@~m6KԐu 8o_YS*XMX31|cQg=X`8A\mtiS*m& K,C,Դ5IőB@~m6KԐu 8o_YS*XMX31|cQg=X`8uvm_fault(0xffffffff83a751d8, 0xffff800023452018, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ufs_direnter+0x23b: movl 0(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND *405740 68950 0 0 0x4000000 0 syz-executor ufs_direnter(fffffd80666ab498,fffffd80666ab7f8,ffff8000338e7788,ffff8000338e7ae8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764 ufs_makeinode(2000,fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768 ufs_mknod(ffff8000338e7960) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8,ffff8000338e79e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff80002a810fb8,ffffff9c,200000000000,2000,285b9e) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff8000338e7c70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff8000338e7c70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5603fa36c80, 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: uvm_fault(0xffffffff83a751d8, 0xffff800023452018, 0, 1) -> d ddb> trace ufs_direnter(fffffd80666ab498,fffffd80666ab7f8,ffff8000338e7788,ffff8000338e7ae8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764 ufs_makeinode(2000,fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768 ufs_mknod(ffff8000338e7960) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8,ffff8000338e79e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff80002a810fb8,ffffff9c,200000000000,2000,285b9e) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff8000338e7c70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff8000338e7c70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5603fa36c80, count: -7 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000338e7770 rbx 0xfffffd8007ffd958 rdx 0xffff8000015dc180 rcx 0x4ce rax 0xffff80002a810fb8 r8 0xffffffffffffffff r9 0 r10 0xbf747e68211cd49b r11 0x3bdc4db2f542ecb3 r12 0xfffffd8067457400 r13 0xfffffd806f65fb00 r14 0xffff800023452018 r15 0 rip 0xffffffff81aa7a3b ufs_direnter+0x23b cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000338e76d0 ss 0x10 ufs_direnter+0x23b: movl 0(%r14),%r15d ddb> show proc PROC (syz-executor) tid=405740 pid=68950 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a811cb0,0xffff80002a811a28 process=0xffff80002f0dad18 user=0xffff8000338e2000, vmspace=0xfffffd806d805468 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 40156 384619 14452 0 2 0 syz-executor 40156 121585 14452 0 2 0x4000000 syz-executor 1459 284925 84394 0 2 0 syz-executor 1459 424992 84394 0 3 0x4000080 fsleep syz-executor 68950 386047 42919 0 2 0 syz-executor *68950 405740 42919 0 7 0x4000000 syz-executor 11640 147453 90389 0 2 0 syz-executor 11640 155384 90389 0 3 0x4000080 fsleep syz-executor 11640 282939 90389 0 3 0x4000080 fsleep syz-executor 13996 122570 61131 0 2 0 syz-executor 13996 272940 61131 0 3 0x4000080 rest syz-executor 13996 78995 61131 0 3 0x4000080 fsleep syz-executor 84383 227188 13536 0 2 0xc80 syz-executor 84383 255442 13536 0 3 0x4000080 lockf syz-executor 84383 509948 13536 0 3 0x4000080 fsleep syz-executor 40305 67269 1 0 3 0x80 nanoslp init 53107 342822 0 0 3 0x14280 nfsidl nfsio 16747 457412 0 0 3 0x14280 nfsidl nfsio 35589 266362 0 0 3 0x14280 nfsidl nfsio 6758 166128 0 0 3 0x14280 nfsidl nfsio 22670 423464 0 0 3 0x14280 nfsidl nfsio 7110 444828 0 0 3 0x14280 nfsidl nfsio 31469 434576 0 0 3 0x14280 nfsidl nfsio 46455 272176 0 0 3 0x14280 nfsidl nfsio 15045 135134 0 0 3 0x14280 nfsidl nfsio 1049 26957 0 0 3 0x14280 nfsidl nfsio 85130 86391 0 0 3 0x14280 nfsidl nfsio 43565 309220 0 0 3 0x14280 nfsidl nfsio 66146 55882 0 0 3 0x14280 nfsidl nfsio 20376 89153 0 0 3 0x14280 nfsidl nfsio 10494 34337 0 0 3 0x14280 nfsidl nfsio 75844 497157 0 0 3 0x14280 nfsidl nfsio 58545 218891 0 0 3 0x14280 nfsidl nfsio 45706 383185 0 0 3 0x14280 nfsidl nfsio 63136 464931 0 0 3 0x14280 nfsidl nfsio 2900 86853 0 0 3 0x14280 nfsidl nfsio 66918 146399 0 0 3 0x14200 acct acct 61131 416044 44961 0 2 0xc82 syz-executor 93484 425159 44961 0 2 0xc82 syz-executor 13536 74873 44961 0 2 0xc82 syz-executor 90389 484511 44961 0 2 0x2 syz-executor 14452 384776 44961 0 3 0x82 nanoslp syz-executor 42919 37620 44961 0 2 0xc82 syz-executor 84394 304259 44961 0 2 0xc82 syz-executor 81571 252258 44961 0 2 0xc82 syz-executor 44961 197501 64715 0 3 0x82 kqread syz-executor 64715 233154 99984 0 3 0x10008a sigsusp ksh 99984 249197 72280 0 3 0x98 kqread sshd-session 72280 452962 41210 0 3 0x92 kqread sshd-session 41210 188633 1 0 3 0x88 kqread sshd 34807 488831 17838 73 3 0x1100090 kqread syslogd 17838 163168 1 0 3 0x100082 sbwait syslogd 15125 403682 1 0 3 0x100080 kqread resolvd 43475 23332 23698 77 3 0x100092 kqread dhcpleased 96727 33385 23698 77 3 0x100092 kqread dhcpleased 23698 469859 1 0 3 0x80 kqread dhcpleased 13539 476374 0 0 3 0x14200 bored smr 63186 278202 0 0 2 0x14200 zerothread 47311 245614 0 0 3 0x14200 aiodoned aiodoned 89675 183400 0 0 3 0x14200 syncer update 54196 36971 0 0 3 0x14200 cleaner cleaner 3239 228877 0 0 3 0x14200 reaper reaper 51369 395060 0 0 3 0x14200 pgdaemon pagedaemon 93875 290704 0 0 3 0x14200 bored viomb 24231 30668 0 0 3 0x40014200 acpi0 acpi0 96167 269027 0 0 2 0x14200 softnet0 54298 68180 0 0 3 0x14200 bored systqmp 76402 374577 0 0 3 0x14200 bored systq 23580 350833 0 0 3 0x40014200 tmoslp softclock 87802 413082 0 0 3 0x40014200 idle0 1 177295 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11085 12201K 12440K 166960K 12859 0 pcb 17 12K 12K 166960K 114 0 rtable 172 6K 8K 166960K 479 0 pf 34 13K 20K 166960K 106 0 ifaddr 35 5K 8K 166960K 64 0 ifgroup 54 2K 2K 166960K 102 0 sysctl 4 1K 9K 166960K 10 0 counters 36 18K 18K 166960K 47 0 ioctlops 0 0K 4K 166960K 138 0 iov 0 0K 16K 166960K 22 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1322 83K 84K 166960K 1912 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 35 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 715 0 sigio 0 0K 0K 166960K 38 0 proc 51 50K 100K 166960K 580 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 76 0 in_multi 66 4K 7K 166960K 140 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 18 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 440 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 1K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 222 146K 160K 166960K 8011 0 UVM aobj 17 2K 4K 166960K 19 0 pinsyscall 38 76K 94K 166960K 1837 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 32 0 NDP 13 0K 2K 166960K 41 0 temp 57 9071K 9151K 166960K 30592 0 kqueue 14 22K 28K 166960K 112 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 83 0 80 1 0 1 1 0 8 0 rtentry 136 135 0 68 4 0 4 4 0 8 0 unpcb 144 394 0 377 3 0 3 3 0 8 2 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 205 0 200 4 0 4 4 0 8 3 arp 96 21 0 10 1 0 1 1 0 8 0 ipq 40 4 0 0 1 0 1 1 0 8 0 ipqe 40 4 0 0 1 0 1 1 0 8 0 inpcb 328 540 0 531 7 0 7 7 0 8 5 ip6q 72 2 0 0 1 0 1 1 0 8 0 ip6af 40 4 0 0 1 0 1 1 0 8 0 nd6 112 30 0 13 1 0 1 1 0 8 0 pkpcb 40 40 0 40 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1072 4 0 2 2 1 1 1 0 8 0 pppxif 1416 2 0 1 2 1 1 1 0 8 0 pfosfp 40 1 0 0 1 0 1 1 0 8 0 pfosfpen 112 1 0 0 1 0 1 1 0 8 0 pfrktable 1344 2 0 2 1 0 1 1 0 8 1 pfanchor 1288 5 0 2 1 0 1 1 0 8 0 pfrule 1360 6 0 5 1 0 1 1 0 8 0 rttmr 136 2 0 2 2 1 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 560 0 229 29 5 24 29 0 8 1 art_table 40 562 0 229 5 0 5 5 0 8 0 art_node 32 131 0 71 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 6 2 1 1 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 16 0 2 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2666 0 1210 92 0 92 92 0 8 0 ffsino 256 2666 0 1210 92 0 92 92 0 8 0 nchpl 144 3669 0 1965 64 0 64 64 0 8 0 vnodes 216 3037 0 0 169 0 169 169 0 8 0 namei 1024 11762 0 11761 2 1 1 2 0 8 0 kstatmem 264 46 0 20 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 17649 0 17649 15 7 8 8 1 8 8 plimitpl 152 176 0 161 1 0 1 1 0 8 0 sigapl 424 1030 0 966 9 1 8 8 0 8 0 knotepl 120 24025 0 23975 24 13 11 16 0 8 8 kqueuepl 184 236 0 225 4 0 4 4 0 8 3 pipepl 304 188 0 161 5 0 5 5 0 8 2 fdescpl 448 995 0 965 5 1 4 5 0 8 0 filepl 120 5401 0 5182 12 1 11 11 0 8 2 lockfpl 104 314 0 309 1 0 1 1 0 8 0 lockfspl 48 115 0 111 1 0 1 1 0 8 0 sessionpl 144 46 0 39 1 0 1 1 0 8 0 pgrppl 48 60 0 45 1 0 1 1 0 8 0 ucredpl 104 1065 0 1054 1 0 1 1 0 8 0 zombiepl 144 968 0 966 1 0 1 1 0 8 0 processpl 1152 1030 0 966 5 0 5 5 0 8 0 procpl 664 1895 0 1822 7 0 7 7 0 8 0 sosppl 176 3 0 3 2 1 1 1 0 8 1 sockpl 552 1073 0 1044 8 0 8 8 0 8 5 mcl64k 65536 92 0 91 2 1 1 1 0 8 0 mcl16k 16384 6 0 6 2 1 1 1 0 8 1 mcl12k 12288 2 0 2 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 16 0 16 2 1 1 1 0 8 1 mcl4k 4096 3318 0 3264 16 7 9 15 0 8 1 mcl2k2 2112 3 0 3 1 1 0 1 0 8 0 mcl2k 2048 630 0 626 5 2 3 3 0 8 2 mtagpl 96 20 0 7 1 0 1 1 0 8 0 mbufpl 256 9655 0 9487 15 1 14 15 0 8 1 bufpl 280 7693 0 1478 445 0 445 445 0 8 0 anonpl 24 177389 0 173923 82 20 62 62 0 187 22 amapchunkpl 152 26027 0 25535 35 8 27 28 0 158 7 amappl16 200 3820 0 3769 35 19 16 22 0 8 8 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 423 0 422 1 0 1 1 0 8 0 amappl13 176 116 0 107 1 0 1 1 0 8 0 amappl12 168 1237 0 1209 2 0 2 2 0 8 0 amappl11 160 10 0 10 1 1 0 1 0 8 0 amappl10 152 58 0 48 1 0 1 1 0 8 0 amappl9 144 265 0 265 1 1 0 1 0 8 0 amappl8 136 101 0 100 1 0 1 1 0 8 0 amappl7 128 148 0 137 1 0 1 1 0 8 0 amappl6 120 162 0 160 1 0 1 1 0 8 0 amappl5 112 89 0 81 1 0 1 1 0 8 0 amappl4 104 274 0 257 1 0 1 1 0 8 0 amappl3 96 5102 0 4990 4 0 4 4 0 8 0 amappl2 88 528 0 472 2 0 2 2 0 8 0 amappl1 80 11564 0 11038 12 0 12 12 0 8 0 amappl 88 7228 0 7064 5 0 5 5 0 92 0 uvmvnodes 80 110 0 0 3 0 3 3 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 7 0 7 2 1 1 1 0 8 1 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 18 0 2 1 0 1 1 0 8 0 uaddrrnd 24 995 0 965 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 995 0 965 1 0 1 1 0 8 0 vmmpekpl 168 8791 0 8753 3 0 3 3 0 8 0 vmmpepl 168 69857 0 68036 108 10 98 98 0 357 10 vmsppl 368 994 0 965 4 1 3 4 0 8 0 rwobjpl 40 20934 0 19975 15 1 14 14 0 8 0 pdppl 4096 1996 0 1930 100 34 66 80 0 8 0 pvpl 32 461292 0 452061 147 17 130 130 0 265 25 pmappl 216 994 0 965 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 381 0 58 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ufs_direnter(fffffd80666ab498,fffffd80666ab7f8,ffff8000338e7788,ffff8000338e7ae8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764 ufs_makeinode(2000,fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768 ufs_mknod(ffff8000338e7960) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8,ffff8000338e79e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff80002a810fb8,ffffff9c,200000000000,2000,285b9e) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff8000338e7c70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff8000338e7c70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5603fa36c80, count: -7 ddb> machine ddbcpu 1 No such command ddb> trace ufs_direnter(fffffd80666ab498,fffffd80666ab7f8,ffff8000338e7788,ffff8000338e7ae8,0) at ufs_direnter+0x23b sys/ufs/ufs/ufs_lookup.c:764 ufs_makeinode(2000,fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8) at ufs_makeinode+0x51b sys/ufs/ufs/ufs_vnops.c:1768 ufs_mknod(ffff8000338e7960) at ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd80666ab498,ffff8000338e7ab8,ffff8000338e7ae8,ffff8000338e79e8) at VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 domknodat(ffff80002a810fb8,ffffff9c,200000000000,2000,285b9e) at domknodat+0x469 sys/kern/vfs_syscalls.c:1659 syscall(ffff8000338e7c70) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff8000338e7c70) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5603fa36c80, count: -7