uvm_fault(0xffffffff836190a8, 0xffff800027ca2004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs_blkfree+0x263: movl 0x4(%r13),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 299351 71843 0 0 0 0 syz-executor *469272 5293 0 0x2 0 1K syz-executor ffs_blkfree(fffffd806e762888,385d5,800) at ffs_blkfree+0x263 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_blkfree(fffffd806e762888,385d5,800) at ffs_blkfree+0x263 sys/ufs/ffs/ffs_alloc.c:1272 ffs_truncate(fffffd806e762888,0,4,fffffd807f7d3340) at ffs_truncate+0x139f sys/ufs/ffs/ffs_inode.c:325 ufs_rmdir(ffff80002a102428) at ufs_rmdir+0x374 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd8060975990,fffffd807133aca8,ffff80002a102508) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a041458,ffffff9c,77df57cf6d90,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1885 syscall(ffff80002a102680) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a102680) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77df57cf6d80, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xffffffff836190a8, 0xffff800027ca2004, 0, 1) -> d ddb{1}> trace ffs_blkfree(fffffd806e762888,385d5,800) at ffs_blkfree+0x263 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_blkfree(fffffd806e762888,385d5,800) at ffs_blkfree+0x263 sys/ufs/ffs/ffs_alloc.c:1272 ffs_truncate(fffffd806e762888,0,4,fffffd807f7d3340) at ffs_truncate+0x139f sys/ufs/ffs/ffs_inode.c:325 ufs_rmdir(ffff80002a102428) at ufs_rmdir+0x374 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd8060975990,fffffd807133aca8,ffff80002a102508) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a041458,ffffff9c,77df57cf6d90,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1885 syscall(ffff80002a102680) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a102680) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77df57cf6d80, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a102190 rbx 0x385d5 acpi_pdirpa+0x24446 rdx 0 rcx 0xffff80002a041458 rax 0xffff800029b7bff0 r8 0xffffffffffffffff r9 0xffffffffffffffff r10 0x52d848f2ad5af79c r11 0xc0c68a861f711e0b r12 0xfffffd80603e1c08 r13 0xffff800027ca2000 r14 0xffff800000a5f000 r15 0 rip 0xffffffff82c23c93 ffs_blkfree+0x263 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a1020d0 ss 0 ffs_blkfree+0x263: movl 0x4(%r13),%r15d ddb{1}> show proc PROC (syz-executor) tid=469272 pid=5293 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffca30,0xffff8000371d22c8 process=0xffff800037254910 user=0xffff80002a0fd000, vmspace=0xfffffd8069cab6e0 estcpu=36, cpticks=2, pctcpu=0.2, user=1, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14074 353765 80952 0 2 0 syz-executor 71843 299351 94244 0 7 0 syz-executor 41306 131601 38685 0 2 0x40 syz-executor 64214 336732 61047 0 2 0 syz-executor 64214 221117 61047 0 3 0x4000080 fsleep syz-executor 64214 146516 61047 0 3 0x4000080 fsleep syz-executor 64214 355892 61047 0 3 0x4000080 fsleep syz-executor 16675 509163 80311 0 2 0 syz-executor 62040 464789 44146 0 2 0 syz-executor 62040 373375 44146 0 3 0x4000080 fsleep syz-executor 38685 12907 42167 0 3 0x82 ppwait syz-executor 56919 514434 94282 0 2 0 syz-executor 56919 163921 94282 0 3 0x4000080 sbwait syz-executor 56919 517240 94282 0 3 0x4000000 inode syz-executor 56919 199574 94282 0 3 0x4000080 fsleep syz-executor 80952 385886 42167 0 3 0x82 nanoslp syz-executor 61047 169892 42167 0 3 0x82 nanoslp syz-executor * 5293 469272 42167 0 7 0x2 syz-executor 44146 237566 42167 0 3 0x82 nanoslp syz-executor 94282 10670 42167 0 3 0x82 nanoslp syz-executor 94244 315620 42167 0 3 0x82 nanoslp syz-executor 80311 234599 42167 0 3 0x82 nanoslp syz-executor 74217 484770 1 0 3 0x100083 ttyin getty 16724 116743 0 0 3 0x14200 bored sosplice 34518 198722 0 0 3 0x14280 nfsidl nfsio 97081 322699 0 0 3 0x14280 nfsidl nfsio 84573 471203 0 0 3 0x14280 nfsidl nfsio 2122 282066 0 0 3 0x14280 nfsidl nfsio 12417 269966 0 0 3 0x14280 nfsidl nfsio 69132 236186 0 0 3 0x14280 nfsidl nfsio 52861 41719 0 0 3 0x14280 nfsidl nfsio 55262 67308 0 0 3 0x14280 nfsidl nfsio 26826 110185 0 0 3 0x14280 nfsidl nfsio 56554 497621 0 0 3 0x14280 nfsidl nfsio 78310 358114 0 0 3 0x14280 nfsidl nfsio 16630 130426 0 0 3 0x14280 nfsidl nfsio 62550 384457 0 0 3 0x14280 nfsidl nfsio 2115 318838 0 0 3 0x14280 nfsidl nfsio 12171 50746 0 0 3 0x14280 nfsidl nfsio 11091 343942 0 0 3 0x14280 nfsidl nfsio 70186 296861 0 0 3 0x14280 nfsidl nfsio 6251 19002 0 0 3 0x14280 nfsidl nfsio 83701 103623 0 0 3 0x14280 nfsidl nfsio 57144 377738 0 0 3 0x14280 nfsidl nfsio 42167 486056 87962 0 3 0x82 kqread syz-executor 87962 447922 37136 0 3 0x10008a sigsusp ksh 37136 436370 28162 0 3 0x98 kqread sshd-session 28162 14558 90034 0 3 0x92 kqread sshd-session 90034 94531 1 0 3 0x88 kqread sshd 40349 259836 31746 74 3 0x1100092 bpf pflogd 31746 152989 1 0 3 0x80 sbwait pflogd 75127 5862 98807 73 2 0x1100010 syslogd 98807 400440 1 0 3 0x100082 sbwait syslogd 98165 459781 1 0 3 0x100080 kqread resolvd 97099 210844 8220 77 3 0x100092 kqread dhcpleased 81232 150210 8220 77 3 0x100092 kqread dhcpleased 8220 449599 1 0 3 0x80 kqread dhcpleased 14926 79068 0 0 3 0x14200 bored smr 24581 492484 0 0 2 0x14200 zerothread 52459 106042 0 0 3 0x14200 aiodoned aiodoned 27611 514353 0 0 3 0x14200 syncer update 72317 329034 0 0 3 0x14200 cleaner cleaner 790 288503 0 0 3 0x14200 reaper reaper 60787 92225 0 0 3 0x14200 pgdaemon pagedaemon 27654 260019 0 0 3 0x14200 bored viomb 72152 416776 0 0 3 0x40014200 acpi0 acpi0 16730 231512 0 0 3 0x40014200 idle1 56099 452986 0 0 3 0x14200 bored softnet3 94817 327690 0 0 3 0x14200 bored softnet2 33301 378853 0 0 3 0x14200 bored softnet1 78844 454769 0 0 3 0x14200 bored softnet0 40465 26715 0 0 3 0x14200 bored systqmp 26471 484003 0 0 3 0x14200 bored systq 4636 139871 0 0 3 0x14200 tmoslp softclockmp 56691 131248 0 0 3 0x40014200 tmoslp softclock 52216 356543 0 0 3 0x40014200 idle0 1 438969 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 71843 (syz-executor) thread 0xffff80002a03f6e8 (299351) exclusive rwlock vmmaplk r = 0 (0xfffffd8069a6cb48) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvm_mapanon+0x292 #4 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 #5 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 56919 (syz-executor) thread 0xffff800029fe6548 (163921) exclusive rrwlock inode r = 0 (0xfffffd806f4b43d8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #9 namei+0x7aa sys/kern/vfs_lookup.c:250 #10 vn_open+0x13f sys/kern/vfs_vnops.c:140 #11 vndioctl+0xcb1 sys/dev/vnd.c:457 #12 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #13 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #14 sys_ioctl+0x67c #15 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #15 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 Process 56919 (syz-executor) thread 0xffff800029fe62c0 (517240) exclusive rrwlock inode r = 0 (0xfffffd806e154818) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 uipc_bind+0x2f4 sys/kern/uipc_usrreq.c:369 #8 sys_bind+0x28a sys/kern/uipc_syscalls.c:189 #9 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #9 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 5293 (syz-executor) thread 0xffff80002a041458 (469272) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8362f4e0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 biowait+0xc1 sys/kern/vfs_bio.c:1254 #5 bwrite+0x2e2 sys/kern/vfs_bio.c:766 #6 ufs_dirremove+0x2a9 sys/ufs/ufs/ufs_lookup.c:919 #7 ufs_rmdir+0x287 sys/ufs/ufs/ufs_vnops.c:1248 #8 VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 #9 dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1885 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e762920) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806dda65f8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10229 10362K 10500K 166960K 12226 0 pcb 17 14K 15K 166960K 151 0 rtable 216 8K 9K 166960K 847 0 pf 40 18K 26K 166960K 113 0 ifaddr 44 7K 8K 166960K 123 0 ifgroup 63 2K 2K 166960K 158 0 sysctl 3 1K 1K 166960K 3 0 counters 68 36K 37K 166960K 120 0 ioctlops 0 0K 4K 166960K 1561 0 iov 0 0K 16K 166960K 84 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1438 90K 90K 166960K 2070 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 15 10K 11K 166960K 37 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 93K 166960K 974 0 sigio 0 0K 0K 166960K 5 0 proc 72 91K 152K 166960K 998 0 subproc 104 6K 7K 166960K 299 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 102 0 in_multi 88 6K 7K 166960K 272 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 656 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 226 73K 92K 166960K 9899 0 UVM aobj 15 2K 4K 166960K 20 0 pinsyscall 42 84K 106K 166960K 2429 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 38 0 NDP 14 0K 1K 166960K 84 0 temp 57 6819K 6891K 166960K 29128 0 kqueue 15 24K 28K 166960K 114 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 207 0 204 3 2 1 3 0 8 0 rtentry 112 282 0 189 4 1 3 4 0 8 0 unpcb 144 1032 0 1010 16 14 2 10 0 8 1 syncache 336 8 0 8 3 3 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 175 0 169 4 3 1 2 0 8 0 arp 120 48 0 30 1 0 1 1 0 8 0 inpcb 336 945 0 933 18 15 3 12 0 8 1 nd6 136 71 0 49 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 23 0 15 1 0 1 1 0 8 0 ppxss 1168 6 0 6 3 3 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 5 0 1 1 0 1 1 0 482 0 pffrnode 88 5 0 1 1 0 1 1 0 8 0 pffrent 40 8 0 4 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 1 0 0 1 0 1 1 0 8 0 pfstitem 24 89 0 41 1 0 1 1 0 8 0 pfstkey 128 90 0 42 2 0 2 2 0 8 0 pfstate 376 89 0 42 7 1 6 6 0 8 0 pfrule 1344 26 0 18 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 1141 0 735 36 7 29 29 0 8 2 art_table 32 1143 0 736 4 0 4 4 0 8 0 art_node 16 279 0 198 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 6 1 0 1 1 0 8 0 semapl 112 31 0 18 1 0 1 1 0 8 0 shmpl 112 17 0 5 1 0 1 1 0 8 0 dirhash 1024 32 0 15 3 0 3 3 0 8 0 dino2pl 256 2702 0 1179 96 0 96 96 0 8 0 ffsino 272 2702 0 1179 102 0 102 102 0 8 0 nchpl 144 3813 0 2108 64 0 64 64 0 8 0 uvmvnodes 80 3335 0 0 69 0 69 69 0 8 0 vnodes 216 3335 0 0 186 0 186 186 0 8 0 namei 1024 14811 0 14810 5 4 1 2 0 8 0 percpumem 16 74 0 26 1 0 1 1 0 8 0 kstatmem 264 80 0 52 4 2 2 3 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 18075 0 18075 13 11 2 8 1 8 2 plimitpl 152 196 0 179 1 0 1 1 0 8 0 sigapl 424 1266 0 1196 9 0 9 9 0 8 0 futexpl 64 9825 0 9820 3 2 1 1 0 8 0 knotepl 120 565 0 0 17 0 17 17 0 8 0 kqueuepl 216 324 0 313 7 6 1 5 0 8 0 pipepl 320 224 0 197 3 0 3 3 0 8 0 fdescpl 496 1227 0 1196 7 2 5 5 0 8 0 filepl 152 7654 0 7402 32 21 11 20 0 8 0 lockfpl 104 351 0 349 1 0 1 1 0 8 0 lockfspl 48 122 0 120 1 0 1 1 0 8 0 sessionpl 144 40 0 31 1 0 1 1 0 8 0 pgrppl 48 73 0 56 1 0 1 1 0 8 0 ucredpl 104 696 0 682 1 0 1 1 0 8 0 zombiepl 144 1373 0 1373 2 1 1 1 0 8 1 processpl 1160 1266 0 1196 6 0 6 6 0 8 0 procpl 648 2381 0 2304 9 1 8 9 0 8 0 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 3 0 3 2 2 0 1 0 8 0 sockpl 664 2197 0 2160 39 34 5 23 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 237 0 0 30 0 30 30 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 390 0 0 25 0 25 25 0 8 0 bufpl 280 6546 0 372 442 0 442 442 0 8 0 anonpl 24 245981 0 240862 79 15 64 64 0 185 23 amapchunkpl 152 32662 0 32132 43 8 35 36 0 158 11 amappl16 200 5861 0 5813 25 15 10 16 0 8 4 amappl15 192 47 0 47 1 1 0 1 0 8 0 amappl14 184 152 0 140 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 2101 0 2072 3 1 2 2 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 37 0 37 2 2 0 1 0 8 0 amappl9 144 169 0 169 2 2 0 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 140 0 128 1 0 1 1 0 8 0 amappl6 120 316 0 314 1 0 1 1 0 8 0 amappl5 112 210 0 198 1 0 1 1 0 8 0 amappl4 104 354 0 335 1 0 1 1 0 8 0 amappl3 96 6302 0 6204 5 1 4 4 0 8 0 amappl2 88 889 0 820 2 0 2 2 0 8 0 amappl1 80 11314 0 10759 14 0 14 14 0 8 1 amappl 88 9358 0 9194 5 0 5 5 0 92 0 dma4096 4096 3 0 3 3 2 1 1 0 8 1 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 19 0 5 1 0 1 1 0 8 0 uaddrrnd 24 1227 0 1196 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1227 0 1196 1 0 1 1 0 8 0 vmmpekpl 168 10928 0 10860 4 0 4 4 0 8 0 vmmpepl 168 82920 0 81086 107 16 91 97 0 357 5 vmsppl 440 1226 0 1196 6 2 4 5 0 8 0 rwobjpl 56 29644 0 25366 62 0 62 62 0 8 0 pdppl 4096 2461 0 2392 127 50 77 85 0 8 8 pvpl 32 31753 0 0 256 0 256 256 0 265 0 pmappl 248 1226 0 1196 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 463 0 89 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83466ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:154 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a14e7f0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a14e7f0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x731e6da36680, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83466ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:154 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362f2d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a14e7f0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a14e7f0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x731e6da36680, count: -9 ddb{0}> machine ddbcpu 1 Stopped at ffs_blkfree+0x263: movl 0x4(%r13),%r15d ffs_blkfree(fffffd806e762888,385d5,800) at ffs_blkfree+0x263 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_blkfree(fffffd806e762888,385d5,800) at ffs_blkfree+0x263 sys/ufs/ffs/ffs_alloc.c:1272 ffs_truncate(fffffd806e762888,0,4,fffffd807f7d3340) at ffs_truncate+0x139f sys/ufs/ffs/ffs_inode.c:325 ufs_rmdir(ffff80002a102428) at ufs_rmdir+0x374 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd8060975990,fffffd807133aca8,ffff80002a102508) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a041458,ffffff9c,77df57cf6d90,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1885 syscall(ffff80002a102680) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a102680) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77df57cf6d80, count: 8 ddb{1}> trace ffs_blkfree(fffffd806e762888,385d5,800) at ffs_blkfree+0x263 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_blkfree(fffffd806e762888,385d5,800) at ffs_blkfree+0x263 sys/ufs/ffs/ffs_alloc.c:1272 ffs_truncate(fffffd806e762888,0,4,fffffd807f7d3340) at ffs_truncate+0x139f sys/ufs/ffs/ffs_inode.c:325 ufs_rmdir(ffff80002a102428) at ufs_rmdir+0x374 sys/ufs/ufs/ufs_vnops.c:1265 VOP_RMDIR(fffffd8060975990,fffffd807133aca8,ffff80002a102508) at VOP_RMDIR+0x19a sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a041458,ffffff9c,77df57cf6d90,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1885 syscall(ffff80002a102680) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a102680) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77df57cf6d80, count: -7