panic: vop_geneparniic_cb: a dop Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *252101 34083 32767 0x10 0 1 syz-executor.2 293290 70689 0 0x14000 0x200 0 reaper db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82787cb5) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff800022cfed08) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806948d3b8,fffffd8073674da0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd8073674da0) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8073674da0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff800022cfefa0) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd80681f3968,ffff800022cff100,ffff800022cff130,ffff800022cff030) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212d4028,ffffff9c,74fd828e4a60,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff800022cff2b0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800022cff2b0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74fd828e4ad0, count: 4 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 cpu0: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_map.c", line 2526 *cpu1: vop_generic_badop ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82787cb5) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff800022cfed08) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806948d3b8,fffffd8073674da0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd8073674da0) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8073674da0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff800022cfefa0) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd80681f3968,ffff800022cff100,ffff800022cff130,ffff800022cff030) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212d4028,ffffff9c,74fd828e4a60,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff800022cff2b0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800022cff2b0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74fd828e4ad0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800022cfec30 rbx 0xffff800020d59b8f rdx 0 rcx 0 rax 0xffff8000212d4028 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbf624000764ee045 r11 0xa008495708280332 r12 0xffff800020d59990 r13 0 r14 0 r15 0x1 rip 0xffffffff81c65ffc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800022cfec20 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.2) pid=252101 stat=onproc flags process=10 proc=0 pri=17, usrpri=57, nice=20 forw=0xffffffffffffffff, list=0xffff8000212d55e8,0xffff800021268040 process=0xffff800027b91938 user=0xffff800022cfa000, vmspace=0xfffffd8073c35b00 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61825 112477 42386 32767 2 0x10 syz-executor.4 61825 308473 42386 32767 2 0x4000010 syz-executor.4 61825 112396 42386 32767 3 0x4000090 fsleep syz-executor.4 19577 439835 87576 32767 2 0x10 syz-executor.3 19577 462697 87576 32767 3 0x4000090 piperd syz-executor.3 19577 62150 87576 32767 3 0x4000090 piperd syz-executor.3 19577 381105 87576 32767 2 0x4000010 syz-executor.3 30145 90189 21529 32767 3 0x90 piperd syz-executor.1 21529 438156 65986 0 3 0x82 wait syz-executor.1 28167 342849 67814 32767 2 0x490 syz-executor.0 67814 492992 65986 0 3 0x82 wait syz-executor.0 87782 452180 22451 32767 2 0x490 syz-executor.5 22451 207150 65986 0 3 0x82 wait syz-executor.5 87576 472974 89742 32767 2 0x490 syz-executor.3 89742 77457 65986 0 3 0x82 wait syz-executor.3 42386 310798 20384 32767 2 0x490 syz-executor.4 20384 68405 65986 0 3 0x82 wait syz-executor.4 58421 345715 63731 32767 2 0x490 syz-executor.6 63731 40850 65986 0 3 0x82 wait syz-executor.6 *34083 252101 67307 32767 7 0x10 syz-executor.2 67307 291900 65986 0 3 0x82 wait syz-executor.2 94426 126050 59009 32767 2 0x10 syz-executor.7 59009 415913 65986 0 3 0x82 wait syz-executor.7 92679 483972 0 0 3 0x14200 bored sosplice 65986 356645 14179 0 3 0x82 wait syz-fuzzer 65986 360558 14179 0 3 0x4000082 thrsleep syz-fuzzer 65986 508545 14179 0 3 0x4000082 wait syz-fuzzer 65986 341281 14179 0 3 0x4000082 thrsleep syz-fuzzer 65986 185154 14179 0 3 0x4000082 thrsleep syz-fuzzer 65986 513053 14179 0 3 0x4000082 wait syz-fuzzer 65986 36249 14179 0 3 0x4000082 wait syz-fuzzer 65986 209184 14179 0 3 0x4000082 wait syz-fuzzer 65986 137125 14179 0 2 0x4000082 syz-fuzzer 65986 456347 14179 0 3 0x4000082 thrsleep syz-fuzzer 65986 193993 14179 0 3 0x4000082 thrsleep syz-fuzzer 65986 153928 14179 0 3 0x4000082 wait syz-fuzzer 65986 408179 14179 0 3 0x4000082 thrsleep syz-fuzzer 65986 163926 14179 0 3 0x4000082 wait syz-fuzzer 65986 373938 14179 0 3 0x4000082 thrsleep syz-fuzzer 65986 278644 14179 0 3 0x4000082 wait syz-fuzzer 14179 300443 44040 0 3 0x10008a sigsusp ksh 44040 500881 14473 0 3 0x9a kqread sshd 44034 89940 1 0 3 0x100083 ttyin getty 14473 207993 1 0 3 0x88 kqread sshd 5572 506252 30902 73 3 0x1100090 kqread syslogd 30902 75554 1 0 3 0x100082 netio syslogd 4624 203513 1 0 3 0x100080 kqread resolvd 75372 318274 16552 77 3 0x100092 kqread dhcpleased 77348 390283 16552 77 3 0x100092 kqread dhcpleased 16552 36109 1 0 3 0x80 kqread dhcpleased 96141 73151 0 0 3 0x14200 bored smr 71963 53876 0 0 2 0x14200 zerothread 56675 482 0 0 3 0x14200 aiodoned aiodoned 13834 192565 0 0 3 0x14200 syncer update 32555 32385 0 0 3 0x14200 cleaner cleaner 70689 293290 0 0 7 0x14200 reaper 55440 375098 0 0 3 0x14200 pgdaemon pagedaemon 65067 501844 0 0 3 0x14200 bored viomb 26307 156720 0 0 3 0x40014200 acpi0 acpi0 42332 169978 0 0 3 0x40014200 idle1 66027 171608 0 0 3 0x14200 bored softnet3 38657 142913 0 0 3 0x14200 bored softnet2 6243 48248 0 0 3 0x14200 bored softnet1 17527 252062 0 0 3 0x14200 bored softnet0 4782 150690 0 0 3 0x14200 bored systqmp 23607 423995 0 0 3 0x14200 bored systq 98649 289686 0 0 3 0x40014200 bored softclock 95754 518816 0 0 3 0x40014200 idle0 1 246454 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 61825 (syz-executor.4) thread 0xffff800021266c08 (308473) exclusive rwlock amaplk r = 0 (0xfffffd80759aaac8) #0 witness_lock+0x44d #1 uvm_fault_check+0x41d sys/uvm/uvm_fault.c:783 #2 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #3 kpageflttrap+0x23e sys/arch/amd64/amd64/trap.c:286 #4 kerntrap+0xf3 sys/arch/amd64/amd64/trap.c:341 #5 alltraps_kern_meltdown+0x7b #6 _copyin+0x57 #7 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #7 syscall+0x606 sys/arch/amd64/amd64/trap.c:632 #8 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd8073c35a28) #0 witness_lock+0x44d #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1773 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:673 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #4 kpageflttrap+0x23e sys/arch/amd64/amd64/trap.c:286 #5 kerntrap+0xf3 sys/arch/amd64/amd64/trap.c:341 #6 alltraps_kern_meltdown+0x7b #7 _copyin+0x57 #8 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x606 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 Process 34083 (syz-executor.2) thread 0xffff8000212d4028 (252101) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c8f780) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3c3 sys/kern/sched_bsd.c:405 #3 sleep_finish+0x184 sys/kern/kern_synch.c:417 #4 tsleep+0x12b sys/kern/kern_synch.c:155 #5 biowait+0x91 sys/kern/vfs_bio.c:1278 #6 bwrite+0x21f sys/kern/vfs_bio.c:769 #7 ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 #8 ufs_mkdir+0x672 sys/ufs/ufs/ufs_vnops.c:1219 #9 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #10 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #11 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #11 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e344708) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #8 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805c452e68) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3059 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 Process 94426 (syz-executor.7) thread 0xffff8000212a25a8 (126050) exclusive rrwlock inode r = 0 (0xfffffd806407da30) #0 witness_lock+0x44d #1 rw_enter+0x3e5 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8f sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vn_closefile+0xca vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0xca sys/kern/vfs_vnops.c:609 #6 fdrop+0xcb sys/kern/kern_descrip.c:1274 #7 closef+0x120 sys/kern/kern_descrip.c:1258 #8 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x606 sys/arch/amd64/amd64/trap.c:632 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 6410K 6419K 78643K 11405 0 pcb 13 12K 14K 78643K 17 0 rtable 246 7K 7K 78643K 2967 0 ifaddr 73 24K 25K 78643K 307 0 sysctl 3 1K 1K 78643K 3 0 counters 60 35K 35K 78643K 136 0 ioctlops 0 0K 2K 78643K 351 0 iov 0 0K 32K 78643K 5387 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1279 80K 80K 78643K 6807 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 440 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 10183 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 20 73K 125K 78643K 28124 0 sigio 0 0K 0K 78643K 979 0 proc 56 78K 103K 78643K 3225 0 subproc 104 6K 6K 78643K 598 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3108 0 in_multi 99 6K 7K 78643K 891 0 ether_multi 1 0K 0K 78643K 177 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 193 864K 864K 78643K 193 0 exec 0 0K 1K 78643K 5445 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 521 100K 995K 78643K 283070 0 UVM aobj 131 4K 4K 78643K 133 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 867 0 NDP 11 0K 2K 78643K 141 0 temp 124 5866K 5994K 78643K 71608 0 kqueue 13 20K 34K 78643K 2602 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 3053 0 3050 49 48 1 5 0 8 0 rtentry 112 582 0 466 4 0 4 4 0 8 0 unpcb 144 72355 0 72336 302 292 10 14 0 8 9 syncache 296 214 0 214 52 51 1 1 0 8 1 tcpqe 32 297 0 297 39 38 1 1 0 8 1 tcpcb 776 10325 0 10321 280 272 8 15 0 8 7 arp 120 102 0 83 1 0 1 1 0 8 0 ipq 40 72 0 71 14 13 1 1 0 8 0 ipqe 40 290 0 289 14 13 1 1 0 8 0 inpcb 368 24090 0 24080 322 314 8 16 0 8 6 ip6q 72 6 0 6 2 2 0 1 0 8 0 ip6af 40 18 0 18 2 2 0 1 0 8 0 nd6 136 183 0 154 9 7 2 2 0 8 0 kcovpl 48 46 0 38 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2318 0 1846 38 8 30 31 0 8 0 art_table 32 2319 0 1846 4 0 4 4 0 8 0 art_node 16 581 0 475 1 0 1 1 0 8 0 sysvmsgpl 40 48 0 8 1 0 1 1 0 8 0 semapl 112 10181 0 10171 1 0 1 1 0 8 0 shmpl 112 130 0 2 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 40381 0 38891 94 0 94 94 0 8 0 ffsino 272 40381 0 38891 101 0 101 101 0 8 0 nchpl 144 78776 0 77129 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 257969 0 257968 9 8 1 3 0 8 0 percpumem 16 81 0 38 1 0 1 1 0 8 0 kstatmem 264 98 0 76 2 0 2 2 0 8 0 scxspl 216 248118 0 248118 64 63 1 8 0 8 1 plimitpl 152 5209 0 5186 50 49 1 2 0 8 0 sigapl 424 28331 0 28279 7 0 7 7 0 8 0 futexpl 64 259452 0 259451 9 8 1 1 0 8 0 knotepl 120 1204 0 0 8 1 7 7 0 8 0 kqueuepl 216 7815 0 7806 131 126 5 8 0 8 4 pipepl 320 6906 0 6877 161 158 3 10 0 8 0 fdescpl 496 28313 0 28282 7 2 5 6 0 8 0 filepl 152 232634 0 232391 364 345 19 23 0 8 9 lockfpl 104 3459 0 3457 4 3 1 2 0 8 0 lockfspl 48 846 0 844 1 0 1 1 0 8 0 sessionpl 144 61 0 45 1 0 1 1 0 8 0 pgrppl 48 875 0 859 1 0 1 1 0 8 0 ucredpl 104 30630 0 30612 1 0 1 1 0 8 0 zombiepl 144 28282 0 28279 1 0 1 1 0 8 0 processpl 1072 28331 0 28279 5 1 4 5 0 8 0 procpl 696 80491 0 80417 41 33 8 10 0 8 0 sosppl 168 514 0 514 32 31 1 1 0 8 1 sockpl 488 101072 0 101038 1869 1834 35 47 0 8 29 mcl64k 65536 41 0 0 4 1 3 3 0 8 0 mcl16k 16384 41 0 0 4 1 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 23 0 0 2 0 2 2 0 8 0 mcl8k 8192 57 0 0 6 2 4 4 0 8 0 mcl4k 4096 59 0 0 5 2 3 3 0 8 0 mcl2k2 2112 14 0 0 1 0 1 1 0 8 0 mcl2k 2048 635 0 0 40 27 13 40 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 3998 0 0 238 0 238 238 0 8 0 bufpl 288 58668 0 52353 452 0 452 452 0 8 0 anonpl 24 2859320 0 2846166 300 196 104 116 0 186 0 amapchunkpl 152 1930189 0 1929291 11000 10861 139 4429 0 158 96 amappl16 200 57878 0 57514 338 317 21 33 0 8 0 amappl15 192 49 0 48 1 0 1 1 0 8 0 amappl14 184 272 0 258 2 1 1 2 0 8 0 amappl13 176 19 0 19 5 5 0 1 0 8 0 amappl12 168 29501 0 29463 2 0 2 2 0 8 0 amappl11 160 66 0 55 1 0 1 1 0 8 0 amappl10 152 133 0 115 1 0 1 1 0 8 0 amappl9 144 460 0 460 41 41 0 2 0 8 0 amappl8 136 1349 0 1109 9 0 9 9 0 8 0 amappl7 128 258 0 236 1 0 1 1 0 8 0 amappl6 120 854 0 829 2 1 1 2 0 8 0 amappl5 112 838 0 832 1 0 1 1 0 8 0 amappl4 104 1889 0 1847 3 1 2 3 0 8 0 amappl3 96 173246 0 173158 17 14 3 4 0 8 0 amappl2 88 30015 0 29939 4 2 2 3 0 8 0 amappl1 80 108313 0 107799 22 10 12 22 0 8 0 amappl 88 279669 0 279399 8 0 8 8 0 92 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 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 72 132 0 2 3 0 3 3 0 8 0 uaddrrnd 24 28313 0 28281 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 28313 0 28281 1 0 1 1 0 8 0 vmmpekpl 168 222890 0 222828 4 0 4 4 0 8 0 vmmpepl 168 1661356 0 1658784 469 339 130 141 0 357 0 vmsppl 464 28312 0 28281 7 2 5 6 0 8 0 rwobjpl 56 407664 0 400036 131 20 111 112 0 8 0 pdppl 4096 56633 0 56562 843 762 81 95 0 8 10 pvpl 32 8211825 0 8192465 796 615 181 362 0 265 0 pmappl 248 28312 0 28281 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2163 0 1127 31 0 31 31 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82c17ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x2c sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1271 cnputc(20) at cnputc+0x4f sys/dev/cons.c:218 db_putchar(6b) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(6b) at db_putchar+0x316 sys/ddb/db_output.c:153 kprintf() at kprintf+0x20fc sys/kern/subr_prf.c:1064 db_printf(ffffffff828154c6) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff82792ec7) at panic+0xdb sys/kern/subr_prf.c:216 __assert(ffffffff82812ef3,ffffffff8283c106,9de,ffffffff827cb5d3) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_map_teardown(fffffd8073c35cd0) at uvm_map_teardown+0x348 sys/uvm/uvm_map.c:2528 uvmspace_free(fffffd8073c35cd0) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3503 reaper(ffff8000211acda0) at reaper+0x19a sys/kern/kern_exit.c:449 end trace frame: 0x0, count: 1 ddb{0}> trace x86_ipi_db(ffffffff82c17ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x2c sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,20) at comcnputc+0x1a7 sys/dev/ic/com.c:1271 cnputc(20) at cnputc+0x4f sys/dev/cons.c:218 db_putchar(6b) at db_putchar+0x316 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(6b) at db_putchar+0x316 sys/ddb/db_output.c:153 kprintf() at kprintf+0x20fc sys/kern/subr_prf.c:1064 db_printf(ffffffff828154c6) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff82792ec7) at panic+0xdb sys/kern/subr_prf.c:216 __assert(ffffffff82812ef3,ffffffff8283c106,9de,ffffffff827cb5d3) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_map_teardown(fffffd8073c35cd0) at uvm_map_teardown+0x348 sys/uvm/uvm_map.c:2528 uvmspace_free(fffffd8073c35cd0) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3503 reaper(ffff8000211acda0) at reaper+0x19a sys/kern/kern_exit.c:449 end trace frame: 0x0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82787cb5) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff800022cfed08) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806948d3b8,fffffd8073674da0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd8073674da0) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8073674da0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff800022cfefa0) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd80681f3968,ffff800022cff100,ffff800022cff130,ffff800022cff030) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212d4028,ffffff9c,74fd828e4a60,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff800022cff2b0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800022cff2b0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74fd828e4ad0, count: 4 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82787cb5) at panic+0x17b sys/kern/subr_prf.c:198 vop_generic_badop(ffff800022cfed08) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd806948d3b8,fffffd8073674da0) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd8073674da0) at bwrite+0x1f4 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd8073674da0) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff800022cfefa0) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd80681f3968,ffff800022cff100,ffff800022cff130,ffff800022cff030) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212d4028,ffffff9c,74fd828e4a60,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3074 syscall(ffff800022cff2b0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800022cff2b0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74fd828e4ad0, count: -11