uvm_fault(0xfffffd8066712930, 0x9, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0x1ec: movl 0x8(%r14),%ebx TID PID UID PRFLAGS PFLAGS CPU COMMAND 228530 99611 0 0x14000 0x200 0 zerothread witness_checkorder(fffffd8070669a30,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd8070669a20) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff800021296aa8,fffffd8070669a20,fffffd8070669aa8,0,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff800021296aa8,0) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff800021296aa8) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff800021296aa8,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff800021296aa8,ffff80002e4a3b30,ffff80002e4a3b80) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e4a3c00) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4a3c00) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e11fe50be60, count: 6 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(0xfffffd8066712930, 0x9, 0, 1) -> e ddb{1}> trace witness_checkorder(fffffd8070669a30,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd8070669a20) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff800021296aa8,fffffd8070669a20,fffffd8070669aa8,0,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff800021296aa8,0) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff800021296aa8) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff800021296aa8,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff800021296aa8,ffff80002e4a3b30,ffff80002e4a3b80) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e4a3c00) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4a3c00) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e11fe50be60, count: -9 ddb{1}> show registers rdi 0 rsi 0x20000 acpi_pdirpa+0xbe63 rbp 0xffff80002e4a38d0 rbx 0xe rdx 0 rcx 0xffff800021296aa8 rax 0xffff800020d58ff0 r8 0x1 r9 0x1 r10 0x59c9ad38cbb378b0 r11 0x40bfe2cc64b55b4c r12 0 r13 0xfffffd8070669a30 r14 0x1 r15 0xffff800021296aa8 rip 0xffffffff814ce85c witness_checkorder+0x1ec cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002e4a3820 ss 0 witness_checkorder+0x1ec: movl 0x8(%r14),%ebx ddb{1}> show proc PROC (syz-executor.6) pid=497328 stat=onproc flags process=1008 proc=2000 pri=0, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021239298,0xffff800021296d60 process=0xffff800021272198 user=0xffff80002e49e000, vmspace=0xfffffd8066712930 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 84774 205504 13588 0 2 0 syz-executor.5 2535 121300 53897 0 3 0x82 nanoslp syz-executor.4 95723 98488 0 0 3 0x14280 nfsidl nfsio 95197 420753 0 0 3 0x14280 nfsidl nfsio 27132 23168 0 0 3 0x14280 nfsidl nfsio 95159 391664 0 0 3 0x14280 nfsidl nfsio 69841 239765 0 0 3 0x14280 nfsidl nfsio 4181 303765 0 0 3 0x14280 nfsidl nfsio 3276 163510 0 0 3 0x14280 nfsidl nfsio 40329 438212 0 0 3 0x14280 nfsidl nfsio 82502 287397 0 0 3 0x14280 nfsidl nfsio 5421 6146 0 0 3 0x14280 nfsidl nfsio 26223 162468 0 0 3 0x14280 nfsidl nfsio 18286 517438 0 0 3 0x14280 nfsidl nfsio 28769 19712 0 0 3 0x14280 nfsidl nfsio 49224 447079 0 0 3 0x14280 nfsidl nfsio 167 279802 0 0 3 0x14280 nfsidl nfsio 82522 284156 0 0 3 0x14280 nfsidl nfsio 90813 452371 0 0 3 0x14280 nfsidl nfsio 50854 276406 0 0 3 0x14280 nfsidl nfsio 27822 430514 0 0 3 0x14280 nfsidl nfsio 43303 409357 0 0 3 0x14280 nfsidl nfsio 91937 176088 53897 0 3 0x2 biowait syz-executor.3 80546 356786 1 0 3 0x100083 ttyin getty 28758 405307 53897 0 3 0x2 biowait syz-executor.1 78223 475403 53897 0 3 0x2 getblk syz-executor.0 13588 232602 53897 0 3 0x82 nanoslp syz-executor.5 26624 42238 0 0 3 0x14200 bored sosplice 35134 501555 53897 0 3 0x2 getblk syz-executor.7 93026 386179 53897 0 3 0x82 nanoslp syz-executor.6 64448 79918 53897 0 3 0x2 biowait syz-executor.2 53897 485680 49487 0 3 0x2000082 wait syz-fuzzer 53897 453698 49487 0 3 0x6000082 nanoslp syz-fuzzer 53897 212892 49487 0 3 0x6000082 wait syz-fuzzer 53897 144395 49487 0 3 0x6000082 wait syz-fuzzer 53897 186534 49487 0 3 0x6000082 kqread syz-fuzzer 53897 460098 49487 0 3 0x6000082 thrsleep syz-fuzzer 53897 235129 49487 0 3 0x6000082 thrsleep syz-fuzzer 53897 380478 49487 0 3 0x6000082 thrsleep syz-fuzzer 53897 65948 49487 0 3 0x6000082 wait syz-fuzzer 53897 479285 49487 0 3 0x6000082 wait syz-fuzzer 53897 350221 49487 0 3 0x6000082 thrsleep syz-fuzzer 53897 275249 49487 0 3 0x6000082 thrsleep syz-fuzzer 53897 492878 49487 0 3 0x6000082 wait syz-fuzzer 53897 78295 49487 0 3 0x6000082 wait syz-fuzzer 53897 442237 49487 0 3 0x6000082 thrsleep syz-fuzzer 53897 162735 49487 0 3 0x6000082 wait syz-fuzzer 49487 5964 82625 0 3 0x10008a sigsusp ksh 82625 361674 12471 0 3 0x9a kqread sshd 12471 300267 1 0 3 0x88 kqread sshd 30235 125120 6526 74 3 0x1100092 bpf pflogd 6526 496014 1 0 3 0x80 netio pflogd 29654 14991 93546 73 3 0x1100090 kqread syslogd 93546 338658 1 0 3 0x100082 netio syslogd 63617 315161 1 0 3 0x100080 kqread resolvd 20813 168942 14356 77 3 0x100092 kqread dhcpleased 33346 468947 14356 77 3 0x100092 kqread dhcpleased 14356 384651 1 0 3 0x80 kqread dhcpleased 48774 80175 0 0 3 0x14200 bored smr 99611 228530 0 0 7 0x14200 zerothread 97101 320074 0 0 3 0x14200 aiodoned aiodoned 85124 462035 0 0 3 0x14200 syncer update 19916 117598 0 0 3 0x14200 cleaner cleaner 54495 416793 0 0 2 0x14200 reaper 43370 467842 0 0 3 0x14200 pgdaemon pagedaemon 14767 33494 0 0 3 0x14200 bored viomb 44539 349497 0 0 3 0x40014200 acpi0 acpi0 13016 244396 0 0 3 0x40014200 idle1 24855 62638 0 0 3 0x14200 bored softnet3 19908 204599 0 0 3 0x14200 bored softnet2 25267 480729 0 0 3 0x14200 bored softnet1 53135 326441 0 0 3 0x14200 bored softnet0 84649 142638 0 0 3 0x14200 bored systqmp 12433 403304 0 0 3 0x14200 bored systq 1425 351195 0 0 3 0x40014200 bored softclock 39440 349951 0 0 3 0x40014200 idle0 1 432990 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff82d60d28) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 uvm_pagezero_thread+0x191 sys/uvm/uvm_pmemrange.c:2185 #4 proc_trampoline+0x1c Process 91937 (syz-executor.3) thread 0xffff80002124aaa8 (176088) exclusive rrwlock inode r = 0 (0xfffffd806f5ac3d0) #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:1314 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #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+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #13 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806890e098) #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+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 28758 (syz-executor.1) thread 0xffff8000211d8568 (405307) exclusive rrwlock inode r = 0 (0xfffffd8062393700) #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:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8063d38a38) #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:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 78223 (syz-executor.0) thread 0xffff80002124bd40 (475403) exclusive rrwlock inode r = 0 (0xfffffd806716c4e0) #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 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:623 #9 Xsyscall+0x128 Process 35134 (syz-executor.7) thread 0xffff80002124b548 (501555) exclusive rrwlock inode r = 0 (0xfffffd8063d385f8) #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 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:623 #9 Xsyscall+0x128 Process 64448 (syz-executor.2) thread 0xffff8000211b2aa8 (79918) exclusive rrwlock inode r = 0 (0xfffffd8063d381b8) #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:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b90a3c8) #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:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 6558K 7208K 78643K 21456 0 pcb 13 14K 16K 78643K 287 0 rtable 251 7K 7K 78643K 995 0 pf 32 9K 10K 78643K 218 0 ifaddr 45 16K 17K 78643K 161 0 ifgroup 55 2K 2K 78643K 322 0 sysctl 2 0K 0K 78643K 8 0 counters 60 35K 36K 78643K 204 0 ioctlops 0 0K 4K 78643K 1560 0 iov 0 0K 24K 78643K 643 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1415 88K 89K 78643K 6645 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 139 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 93 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 12 41K 81K 78643K 11914 0 sigio 0 0K 0K 78643K 71 0 proc 70 91K 128K 78643K 1140 0 subproc 104 6K 6K 78643K 271 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 156 0 in_multi 99 7K 7K 78643K 284 0 ether_multi 1 0K 0K 78643K 1 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 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 1164 0 pfkey data 0 0K 0K 78643K 2 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 400 102K 118K 78643K 114669 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 208 0 NDP 12 0K 1K 78643K 124 0 temp 74 5920K 6008K 78643K 117563 0 kqueue 12 18K 26K 78643K 422 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 120 160 0 157 2 1 1 2 0 8 0 rtentry 112 258 0 141 4 0 4 4 0 8 0 unpcb 144 13815 0 13800 86 80 6 10 0 8 5 syncache 304 50 0 50 11 10 1 1 0 8 1 tcpqe 32 111 0 111 5 5 0 1 0 8 0 tcpcb 808 1390 0 1373 48 39 9 9 0 8 7 arp 120 43 0 24 1 0 1 1 0 8 0 inpcb 368 3577 0 3557 66 58 8 11 0 8 5 nd6 136 71 0 41 2 0 2 2 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 20 0 12 1 0 1 1 0 8 0 ppxss 1256 26 0 26 4 4 0 1 0 8 0 pffrag 232 19 0 17 3 2 1 1 0 482 0 pffrnode 88 19 0 17 3 2 1 1 0 8 0 pffrent 40 95 0 93 4 3 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 24 213 0 187 1 0 1 1 0 8 0 pfstkey 128 213 0 187 2 0 2 2 0 8 1 pfstate 376 213 0 187 8 4 4 5 0 8 1 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 1039 0 561 31 1 30 30 0 8 0 art_table 32 1040 0 561 4 0 4 4 0 8 0 art_node 16 254 0 147 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 9 1 0 1 1 0 8 0 semupl 112 89 0 89 2 2 0 1 0 8 0 semapl 112 48 0 39 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 15961 0 14454 95 0 95 95 0 8 0 ffsino 272 15961 0 14454 101 0 101 101 0 8 0 nchpl 144 30949 0 30442 64 40 24 64 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 93698 0 93696 4 3 1 2 0 8 0 percpumem 16 115 0 72 1 0 1 1 0 8 0 vmpool 696 15 0 15 4 4 0 1 0 8 0 kstatmem 264 168 0 144 2 0 2 2 0 8 0 scxspl 216 97700 0 97697 32 28 4 8 1 8 3 plimitpl 152 607 0 591 1 0 1 1 0 8 0 sigapl 424 12261 0 12197 9 1 8 8 0 8 0 futexpl 64 145823 0 145823 4 3 1 1 0 8 1 knotepl 120 487 0 0 10 3 7 10 0 8 0 kqueuepl 216 925 0 917 18 17 1 6 0 8 0 pipepl 320 1087 0 1059 34 27 7 8 0 8 4 fdescpl 496 12201 0 12176 5 1 4 5 0 8 0 filepl 152 57365 0 57122 117 100 17 20 0 8 6 lockfpl 104 4717 0 4715 14 12 2 2 0 8 1 lockfspl 48 1208 0 1206 1 0 1 1 0 8 0 sessionpl 144 37 0 20 1 0 1 1 0 8 0 pgrppl 48 255 0 238 1 0 1 1 0 8 0 ucredpl 104 16514 0 16501 1 0 1 1 0 8 0 zombiepl 144 12199 0 12197 3 2 1 1 0 8 0 processpl 1072 12261 0 12197 5 0 5 5 0 8 0 procpl 680 31278 0 31198 22 13 9 9 0 8 0 sosppl 168 93 0 92 12 11 1 1 0 8 0 sockpl 488 17558 0 17520 450 436 14 33 0 8 8 mcl64k 65536 21 0 0 3 1 2 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 24 0 0 2 0 2 2 0 8 0 mcl9k 9216 11 0 0 1 0 1 1 0 8 0 mcl8k 8192 24 0 0 3 1 2 3 0 8 0 mcl4k 4096 72 0 0 6 1 5 6 0 8 0 mcl2k2 2112 15 0 0 1 0 1 1 0 8 0 mcl2k 2048 300 0 0 32 6 26 32 0 8 0 mtagpl 96 539 0 0 12 0 12 12 0 8 0 mbufpl 256 1642 0 0 84 0 84 84 0 8 0 bufpl 288 22331 0 16004 453 0 453 453 0 8 0 anonpl 24 1159924 0 1146396 236 133 103 161 0 186 0 amapchunkpl 152 361157 0 360360 93 55 38 60 0 158 1 amappl16 200 23162 0 22773 125 103 22 35 0 8 1 amappl15 192 12 0 10 1 0 1 1 0 8 0 amappl14 184 221 0 207 2 1 1 2 0 8 0 amappl13 176 14 0 13 1 0 1 1 0 8 0 amappl12 168 13058 0 13032 3 1 2 2 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 40 0 30 1 0 1 1 0 8 0 amappl9 144 219 0 218 1 0 1 1 0 8 0 amappl8 136 550 0 419 5 0 5 5 0 8 0 amappl7 128 108 0 94 2 0 2 2 0 8 0 amappl6 120 370 0 338 5 3 2 2 0 8 1 amappl5 112 357 0 345 1 0 1 1 0 8 0 amappl4 104 828 0 778 3 1 2 3 0 8 0 amappl3 96 71820 0 71757 4 1 3 3 0 8 0 amappl2 88 12824 0 12755 3 1 2 3 0 8 0 amappl1 80 53993 0 53437 24 11 13 23 0 8 0 amappl 88 113835 0 113616 7 0 7 7 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 12216 0 12191 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 12216 0 12191 1 0 1 1 0 8 0 vmmpekpl 168 82710 0 82635 4 0 4 4 0 8 0 vmmpepl 168 720216 0 718000 231 106 125 128 0 357 9 vmsppl 464 12215 0 12191 5 0 5 5 0 8 0 rwobjpl 56 174992 0 167414 124 13 111 112 0 8 0 pdppl 4096 24440 0 24382 362 292 70 78 0 8 12 pvpl 32 3316461 0 3297064 537 357 180 342 0 265 3 pmappl 248 12215 0 12191 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1324 0 421 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82be4ff0) 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 mtx_enter(ffffffff82d60d18) at mtx_enter+0x88 sys/kern/kern_lock.c:277 msleep(ffffffff82d60b94,ffffffff82d60d18,7f,ffffffff827817f4,0) at msleep+0x1f1 sys/kern/kern_synch.c:239 uvm_pagezero_thread(ffff8000211b2008) at uvm_pagezero_thread+0xb0 sys/uvm/uvm_pmemrange.c:2171 end trace frame: 0x0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff82be4ff0) 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 mtx_enter(ffffffff82d60d18) at mtx_enter+0x88 sys/kern/kern_lock.c:277 msleep(ffffffff82d60b94,ffffffff82d60d18,7f,ffffffff827817f4,0) at msleep+0x1f1 sys/kern/kern_synch.c:239 uvm_pagezero_thread(ffff8000211b2008) at uvm_pagezero_thread+0xb0 sys/uvm/uvm_pmemrange.c:2171 end trace frame: 0x0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at witness_checkorder+0x1ec: movl 0x8(%r14),%ebx witness_checkorder(fffffd8070669a30,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd8070669a20) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff800021296aa8,fffffd8070669a20,fffffd8070669aa8,0,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff800021296aa8,0) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff800021296aa8) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff800021296aa8,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff800021296aa8,ffff80002e4a3b30,ffff80002e4a3b80) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e4a3c00) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4a3c00) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e11fe50be60, count: 6 ddb{1}> trace witness_checkorder(fffffd8070669a30,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd8070669a20) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff800021296aa8,fffffd8070669a20,fffffd8070669aa8,0,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff800021296aa8,0) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff800021296aa8) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff800021296aa8,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff800021296aa8,ffff80002e4a3b30,ffff80002e4a3b80) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e4a3c00) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4a3c00) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e11fe50be60, count: -9