panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 17761 91666 0 0x2 0 1K syz-executor.3 489967 59886 0 0x2000002 0x4000000 0 syz-fuzzer db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82867eb8) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828e9f4d,ffffffff828d7160,136,ffffffff828b338c) at __assert+0x29 sys/kern/subr_prf.c:157 buf_free_pages(fffffd807628e6a8) at buf_free_pages+0x1d2 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd807628e6a8) at buf_dealloc_mem+0xe3 sys/kern/vfs_biomem.c:179 buf_put(fffffd807628e6a8) at buf_put+0x157 sys/kern/vfs_bio.c:127 brelse(fffffd807628e6a8) at brelse+0x56b sys/kern/vfs_bio.c:944 vinvalbuf(fffffd806b5811f8,2,fffffd807f7d7478,ffff80002a1dc808,0,ffffffffffffffff) at vinvalbuf+0x391 sys/kern/vfs_subr.c:2025 ffs_truncate(fffffd8075719118,0,4,fffffd807f7d7478) at ffs_truncate+0xc8a ufs_rmdir(ffff80002f0da8c8) at ufs_rmdir+0x324 sys/ufs/ufs/ufs_vnops.c:1280 VOP_RMDIR(fffffd80694d6b38,fffffd806b5811f8,ffff80002f0da9a8) at VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 dounlinkat(ffff80002a1dc808,ffffff9c,777324945750,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1880 syscall(ffff80002f0dab20) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002f0dab20) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x777324945740, count: 1 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: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82867eb8) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828e9f4d,ffffffff828d7160,136,ffffffff828b338c) at __assert+0x29 sys/kern/subr_prf.c:157 buf_free_pages(fffffd807628e6a8) at buf_free_pages+0x1d2 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd807628e6a8) at buf_dealloc_mem+0xe3 sys/kern/vfs_biomem.c:179 buf_put(fffffd807628e6a8) at buf_put+0x157 sys/kern/vfs_bio.c:127 brelse(fffffd807628e6a8) at brelse+0x56b sys/kern/vfs_bio.c:944 vinvalbuf(fffffd806b5811f8,2,fffffd807f7d7478,ffff80002a1dc808,0,ffffffffffffffff) at vinvalbuf+0x391 sys/kern/vfs_subr.c:2025 ffs_truncate(fffffd8075719118,0,4,fffffd807f7d7478) at ffs_truncate+0xc8a ufs_rmdir(ffff80002f0da8c8) at ufs_rmdir+0x324 sys/ufs/ufs/ufs_vnops.c:1280 VOP_RMDIR(fffffd80694d6b38,fffffd806b5811f8,ffff80002f0da9a8) at VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 dounlinkat(ffff80002a1dc808,ffffff9c,777324945750,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1880 syscall(ffff80002f0dab20) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002f0dab20) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x777324945740, count: -14 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002f0da3b0 rbx 0xffff800029cfcca7 rdx 0 rcx 0xffff80002a1dc808 rax 0xffff800029cfbff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xacc9d1e9bc887f5f r11 0xe8cc86e3df8feef7 r12 0xffff800029cfcaa8 r13 0 r14 0 r15 0x1 rip 0xffffffff81c5aa8c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002f0da3a0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) tid=17761 pid=91666 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=79, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a1dbd68,0xffff80002a19dac0 process=0xffff8000ffff88e8 user=0xffff80002f0d5000, vmspace=0xfffffd806b6b3c58 estcpu=29, cpticks=1, pctcpu=0.2, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29034 149291 0 0 3 0x14200 bored sosplice 38489 403314 59886 0 3 0x2 biowait syz-executor.7 26025 256263 59886 0 3 0x2 biowait syz-executor.6 7687 88028 59886 0 2 0x2 syz-executor.5 71324 111611 59886 0 2 0x2 syz-executor.4 *91666 17761 59886 0 7 0x2 syz-executor.3 73295 62463 59886 0 2 0x2 syz-executor.1 76732 25250 59886 0 2 0x2 syz-executor.0 59886 142685 39172 0 3 0x2000082 thrsleep syz-fuzzer 59886 194414 39172 0 3 0x6000082 nanoslp syz-fuzzer 59886 454239 39172 0 3 0x6000082 wait syz-fuzzer 59886 34419 39172 0 3 0x6000082 wait syz-fuzzer 59886 339664 39172 0 2 0x6000002 syz-fuzzer 59886 178472 39172 0 3 0x6000082 wait syz-fuzzer 59886 522337 39172 0 3 0x6000082 thrsleep syz-fuzzer 59886 99664 39172 0 3 0x6000082 thrsleep syz-fuzzer 59886 451993 39172 0 3 0x6000082 wait syz-fuzzer 59886 245422 39172 0 3 0x6000082 wait syz-fuzzer 59886 24539 39172 0 3 0x6000082 thrsleep syz-fuzzer 59886 481900 39172 0 3 0x6000082 wait syz-fuzzer 59886 489967 39172 0 7 0x6000002 syz-fuzzer 59886 351418 39172 0 3 0x6000082 thrsleep syz-fuzzer 59886 266659 39172 0 3 0x6000082 wait syz-fuzzer 59886 324881 39172 0 3 0x6000082 thrsleep syz-fuzzer 39172 100236 70319 0 3 0x10008a sigsusp ksh 70319 443221 17904 0 3 0x9a kqread sshd 26199 214295 1 0 3 0x100083 ttyin getty 17904 337791 1 0 3 0x88 kqread sshd 63142 208545 68105 74 3 0x1100092 bpf pflogd 68105 471902 1 0 3 0x80 netio pflogd 42819 59730 61667 73 3 0x1100010 ffs_fsync syslogd 61667 27837 1 0 3 0x100082 netio syslogd 28817 235488 1 0 3 0x100080 kqread resolvd 44496 98291 31098 77 3 0x100092 kqread dhcpleased 8373 167996 31098 77 3 0x100092 kqread dhcpleased 31098 323797 1 0 3 0x80 kqread dhcpleased 85972 7415 0 0 3 0x14200 bored smr 51167 69358 0 0 2 0x14200 zerothread 12445 48650 0 0 3 0x14200 aiodoned aiodoned 35550 492470 0 0 3 0x14200 syncer update 58948 434142 0 0 3 0x14200 cleaner cleaner 78469 500534 0 0 3 0x14200 reaper reaper 66603 114998 0 0 3 0x14200 pgdaemon pagedaemon 9722 40085 0 0 3 0x14200 bored viomb 99670 341472 0 0 3 0x40014200 acpi0 acpi0 44198 73937 0 0 3 0x40014200 idle1 6224 325832 0 0 3 0x14200 bored softnet3 34963 15682 0 0 3 0x14200 bored softnet2 56156 320939 0 0 3 0x14200 bored softnet1 95673 202368 0 0 3 0x14200 bored softnet0 51899 514530 0 0 3 0x14200 bored systqmp 31628 340503 0 0 3 0x14200 bored systq 38636 220952 0 0 3 0x14200 tmoslp softclockmp 28759 275428 0 0 3 0x40014200 tmoslp softclock 18189 270155 0 0 3 0x40014200 idle0 1 37893 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 38489 (syz-executor.7) thread 0xffff80002a23ad38 (403314) exclusive rrwlock inode r = 0 (0xfffffd8075719b40) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfb sys/ufs/ufs/ufs_vnops.c:1127 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 #10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80747d9098) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #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:3054 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 26025 (syz-executor.6) thread 0xffff80002a1562a0 (256263) exclusive rrwlock inode r = 0 (0xfffffd8075719f80) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #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:1201 #8 ufs_lookup+0x1323 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #13 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069951d68) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #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 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 7687 (syz-executor.5) thread 0xffff80002a19e550 (88028) exclusive rrwlock inode r = 0 (0xfffffd80757195f0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfb sys/ufs/ufs/ufs_vnops.c:1127 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 #10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80699512c8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #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:3054 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 91666 (syz-executor.3) thread 0xffff80002a1dc808 (17761) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d3a7f0) #0 witness_lock+0x447 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x46f sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19b sys/kern/kern_synch.c:414 #4 biowait+0x91 sys/kern/vfs_bio.c:1254 #5 bwrite+0x21c sys/kern/vfs_bio.c:766 #6 ffs_update+0x28b sys/ufs/ffs/ffs_inode.c:111 #7 ffs_truncate+0xa40 #8 ufs_rmdir+0x324 sys/ufs/ufs/ufs_vnops.c:1280 #9 VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 #10 dounlinkat+0x20e sys/kern/vfs_syscalls.c:1880 #11 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #11 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80757191b0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #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:1201 #8 ufs_lookup+0x1323 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #13 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069951a38) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #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 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 73295 (syz-executor.1) thread 0xffff80002a1dbd68 (62463) exclusive rrwlock inode r = 0 (0xfffffd80742c9920) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 sys_getdents+0x19e sys/kern/vfs_syscalls.c:3124 #6 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #6 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 76732 (syz-executor.0) thread 0xffff80002a1db570 (25250) exclusive rrwlock inode r = 0 (0xfffffd80742c9810) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #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:1201 #8 ufs_lookup+0x1323 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #13 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8074ac64e0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #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 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 42819 (syslogd) thread 0xffff80002a19ed48 (59730) exclusive rrwlock inode r = 0 (0xfffffd806e6ea1b0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2896 #6 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #6 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10167 6459K 7056K 166960K 12066 0 pcb 15 10K 10K 166960K 112 0 rtable 83 3K 7K 166960K 404 0 pf 18 7K 10K 166960K 46 0 ifaddr 17 10K 15K 166960K 51 0 ifgroup 27 1K 2K 166960K 60 0 counters 50 34K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1511 0 iov 0 0K 8K 166960K 50 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1287 80K 81K 166960K 1841 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 48 0 dirhash 12 2K 3K 166960K 78 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 9 29K 73K 166960K 1599 0 sigio 0 0K 0K 166960K 73 0 proc 70 91K 128K 166960K 596 0 subproc 91 5K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 135 0 in_multi 22 1K 7K 166960K 274 0 ether_multi 1 0K 0K 166960K 20 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 468 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 267 73K 99K 166960K 16188 0 UVM aobj 3 2K 2K 166960K 3 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 128 0 NDP 5 0K 2K 166960K 31 0 temp 71 6771K 6836K 166960K 20917 0 kqueue 12 18K 28K 166960K 161 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 54 0 51 1 0 1 1 0 8 0 rtentry 112 122 0 89 4 1 3 4 0 8 0 unpcb 144 780 0 765 3 2 1 2 0 8 0 syncache 320 71 0 71 2 2 0 1 0 8 0 tcpqe 32 124 0 124 2 2 0 1 0 8 0 tcpcb 808 458 0 453 3 2 1 3 0 8 0 arp 120 20 0 16 1 0 1 1 0 8 0 inpcb 376 904 0 896 4 3 1 4 0 8 0 nd6 136 27 0 24 1 0 1 1 0 8 0 kcovpl 48 9 0 2 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 pfstitem 24 36 0 28 1 0 1 1 0 8 0 pfstkey 128 36 0 28 1 0 1 1 0 8 0 pfstate 376 36 0 28 3 0 3 3 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 356 29 18 11 29 0 8 0 art_table 32 502 0 356 4 2 2 4 0 8 0 art_node 16 121 0 91 1 0 1 1 0 8 0 sysvmsgpl 40 95 0 76 1 0 1 1 0 8 0 semapl 112 46 0 46 1 1 0 1 0 8 0 dirhash 1024 61 0 44 3 0 3 3 0 8 0 dino2pl 256 3775 0 2337 92 0 92 92 0 8 0 ffsino 272 3775 0 2337 98 0 98 98 0 8 0 nchpl 144 5892 0 4254 64 0 64 64 0 8 0 uvmvnodes 80 4154 0 0 85 0 85 85 0 8 0 vnodes 216 4154 0 0 231 0 231 231 0 8 0 namei 1024 17058 0 17056 3 2 1 2 0 8 0 percpumem 16 47 0 8 1 0 1 1 0 8 0 vmpool 696 10 0 10 1 1 0 1 0 8 0 kstatmem 264 26 0 16 2 0 2 2 0 8 0 scxspl 216 19097 0 19094 11 10 1 8 1 8 0 plimitpl 152 75 0 60 1 0 1 1 0 8 0 sigapl 424 1926 0 1885 6 0 6 6 0 8 0 futexpl 64 12504 0 12504 1 1 0 1 0 8 0 knotepl 120 157 0 0 5 0 5 5 0 8 0 kqueuepl 216 169 0 161 1 0 1 1 0 8 0 pipepl 320 233 0 208 3 0 3 3 0 8 0 fdescpl 496 1907 0 1885 5 1 4 5 0 8 0 filepl 152 6537 0 6316 11 1 10 11 0 8 0 lockfpl 104 238 0 236 1 0 1 1 0 8 0 lockfspl 48 92 0 90 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 93 0 77 1 0 1 1 0 8 0 ucredpl 104 759 0 746 1 0 1 1 0 8 0 zombiepl 144 1885 0 1885 1 0 1 1 0 8 1 processpl 1136 1926 0 1885 4 0 4 4 0 8 0 procpl 680 3688 0 3632 9 2 7 8 0 8 0 srpgc 96 14 0 14 1 1 0 1 0 8 0 sosppl 168 14 0 14 1 1 0 1 0 8 0 sockpl 584 1738 0 1712 6 4 2 4 0 8 0 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 16 0 0 2 0 2 2 0 8 0 mcl12k 12288 19 0 0 2 0 2 2 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 241 0 0 31 0 31 31 0 8 0 mtagpl 96 53 0 0 2 0 2 2 0 8 0 mbufpl 256 355 0 0 22 0 22 22 0 8 0 bufpl 280 7325 0 1006 452 0 452 452 0 8 0 anonpl 24 308809 0 302910 114 18 96 98 0 186 45 amapchunkpl 152 52276 0 51715 58 8 50 52 0 158 14 amappl16 200 6123 0 5989 8 0 8 8 0 8 0 amappl15 192 49 0 49 1 1 0 1 0 8 0 amappl14 184 222 0 208 2 1 1 2 0 8 0 amappl13 176 33 0 32 2 1 1 1 0 8 0 amappl12 168 2607 0 2583 3 1 2 2 0 8 0 amappl11 160 67 0 52 1 0 1 1 0 8 0 amappl10 152 27 0 17 1 0 1 1 0 8 0 amappl9 144 176 0 175 1 0 1 1 0 8 0 amappl8 136 249 0 179 3 0 3 3 0 8 0 amappl7 128 170 0 145 2 0 2 2 0 8 0 amappl6 120 268 0 262 1 0 1 1 0 8 0 amappl5 112 132 0 121 1 0 1 1 0 8 0 amappl4 104 474 0 449 2 1 1 2 0 8 0 amappl3 96 10634 0 10575 5 2 3 4 0 8 0 amappl2 88 2376 0 2308 3 1 2 3 0 8 0 amappl1 80 14780 0 14252 23 10 13 23 0 8 0 amappl 88 15620 0 15468 6 0 6 6 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1918 0 1896 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1918 0 1896 1 0 1 1 0 8 0 vmmpekpl 168 17267 0 17220 3 0 3 3 0 8 0 vmmpepl 168 126978 0 125282 118 25 93 117 0 357 0 vmsppl 448 1917 0 1896 5 1 4 4 0 8 0 rwobjpl 56 38467 0 33176 77 0 77 77 0 8 0 pdppl 4096 3843 0 3792 109 48 61 73 0 8 10 pvpl 32 42412 0 0 343 0 343 343 0 265 0 pmappl 248 1917 0 1896 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 422 0 79 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82d16ff0) 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+0x27 __mp_lock(ffffffff82d3a5e8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d3a5e8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002f0e0060,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0xc000055738, count: 9 ddb{0}> trace x86_ipi_db(ffffffff82d16ff0) 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+0x27 __mp_lock(ffffffff82d3a5e8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d3a5e8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002f0e0060,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0xc000055738, count: -6 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(ffffffff82867eb8) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828e9f4d,ffffffff828d7160,136,ffffffff828b338c) at __assert+0x29 sys/kern/subr_prf.c:157 buf_free_pages(fffffd807628e6a8) at buf_free_pages+0x1d2 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd807628e6a8) at buf_dealloc_mem+0xe3 sys/kern/vfs_biomem.c:179 buf_put(fffffd807628e6a8) at buf_put+0x157 sys/kern/vfs_bio.c:127 brelse(fffffd807628e6a8) at brelse+0x56b sys/kern/vfs_bio.c:944 vinvalbuf(fffffd806b5811f8,2,fffffd807f7d7478,ffff80002a1dc808,0,ffffffffffffffff) at vinvalbuf+0x391 sys/kern/vfs_subr.c:2025 ffs_truncate(fffffd8075719118,0,4,fffffd807f7d7478) at ffs_truncate+0xc8a ufs_rmdir(ffff80002f0da8c8) at ufs_rmdir+0x324 sys/ufs/ufs/ufs_vnops.c:1280 VOP_RMDIR(fffffd80694d6b38,fffffd806b5811f8,ffff80002f0da9a8) at VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 dounlinkat(ffff80002a1dc808,ffffff9c,777324945750,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1880 syscall(ffff80002f0dab20) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002f0dab20) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x777324945740, count: 1 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82867eb8) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828e9f4d,ffffffff828d7160,136,ffffffff828b338c) at __assert+0x29 sys/kern/subr_prf.c:157 buf_free_pages(fffffd807628e6a8) at buf_free_pages+0x1d2 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd807628e6a8) at buf_dealloc_mem+0xe3 sys/kern/vfs_biomem.c:179 buf_put(fffffd807628e6a8) at buf_put+0x157 sys/kern/vfs_bio.c:127 brelse(fffffd807628e6a8) at brelse+0x56b sys/kern/vfs_bio.c:944 vinvalbuf(fffffd806b5811f8,2,fffffd807f7d7478,ffff80002a1dc808,0,ffffffffffffffff) at vinvalbuf+0x391 sys/kern/vfs_subr.c:2025 ffs_truncate(fffffd8075719118,0,4,fffffd807f7d7478) at ffs_truncate+0xc8a ufs_rmdir(ffff80002f0da8c8) at ufs_rmdir+0x324 sys/ufs/ufs/ufs_vnops.c:1280 VOP_RMDIR(fffffd80694d6b38,fffffd806b5811f8,ffff80002f0da9a8) at VOP_RMDIR+0x12a sys/kern/vfs_vops.c:407 dounlinkat(ffff80002a1dc808,ffffff9c,777324945750,8) at dounlinkat+0x20e sys/kern/vfs_syscalls.c:1880 syscall(ffff80002f0dab20) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002f0dab20) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x777324945740, count: -14