uvm_fault(0xfffffd806e3e6580, 0x7, 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 314415 93827 0 0 0 1 syz-executor.1 witness_checkorder(fffffd806efb5010,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd806efb5000) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff8000212c9ab0,fffffd806efb5000,fffffd806efb5088,3,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000212c9ab0,3) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000212c9ab0) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000212c9ab0,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000212c9ab0,ffff80002e3f5c50,ffff80002e3f5ca0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e3f5d20) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3f5d20) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75a2720d04c0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806e3e6580, 0x7, 0, 1) -> e ddb{0}> trace witness_checkorder(fffffd806efb5010,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd806efb5000) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff8000212c9ab0,fffffd806efb5000,fffffd806efb5088,3,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000212c9ab0,3) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000212c9ab0) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000212c9ab0,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000212c9ab0,ffff80002e3f5c50,ffff80002e3f5ca0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e3f5d20) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3f5d20) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75a2720d04c0, count: -9 ddb{0}> show registers rdi 0 rsi 0x20000 acpi_pdirpa+0xbe63 rbp 0xffff80002e3f59f0 rbx 0xe rdx 0 rcx 0xffff8000212c9ab0 rax 0xffffffff82c26ff0 cpu_info_full_primary+0x1ff0 r8 0x8 r9 0 r10 0x411463b1d64139ca r11 0x1a84d0620ce0ed82 r12 0 r13 0xfffffd806efb5010 r14 0xffffffffffffffff r15 0xffff8000212c9ab0 rip 0xffffffff81d5339c witness_checkorder+0x1ec cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002e3f5940 ss 0x10 witness_checkorder+0x1ec: movl 0x8(%r14),%ebx ddb{0}> show proc PROC (syz-executor.0) pid=343760 stat=onproc flags process=1008 proc=2000 pri=0, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff800021201540,0xffff800021200808 process=0xffff80002121d930 user=0xffff80002e3f0000, vmspace=0xfffffd806e3e6580 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 93827 314415 56813 0 7 0 syz-executor.1 80396 449159 0 0 3 0x14280 nfsidl nfsio 32414 488938 0 0 3 0x14280 nfsidl nfsio 10934 437241 0 0 3 0x14280 nfsidl nfsio 78961 148242 0 0 3 0x14280 nfsidl nfsio 51697 189687 0 0 3 0x14280 nfsidl nfsio 8307 193432 0 0 3 0x14280 nfsidl nfsio 65755 452411 0 0 3 0x14280 nfsidl nfsio 7746 360979 0 0 3 0x14280 nfsidl nfsio 75346 276400 0 0 3 0x14280 nfsidl nfsio 75929 132840 0 0 3 0x14280 nfsidl nfsio 38885 11277 0 0 3 0x14280 nfsidl nfsio 27158 411408 0 0 3 0x14280 nfsidl nfsio 7657 396361 0 0 3 0x14280 nfsidl nfsio 10374 371720 0 0 3 0x14280 nfsidl nfsio 82188 129661 0 0 3 0x14280 nfsidl nfsio 94462 380565 0 0 3 0x14280 nfsidl nfsio 78087 155806 0 0 3 0x14280 nfsidl nfsio 80019 165626 0 0 3 0x14280 nfsidl nfsio 78183 229832 0 0 3 0x14280 nfsidl nfsio 39507 146569 0 0 3 0x14280 nfsidl nfsio 50360 264025 87246 0 2 0x2 syz-executor.3 836 228500 0 0 3 0x14200 acct acct 49605 105402 1 0 3 0x100083 ttyin getty 21026 264721 0 0 3 0x14200 bored sosplice 36862 480153 87246 0 3 0x82 nanoslp syz-executor.7 16584 75875 87246 0 2 0x2 syz-executor.6 95059 106118 87246 0 2 0x2 syz-executor.5 67196 396181 87246 0 3 0x82 nanoslp syz-executor.4 46640 457109 87246 0 2 0x2 syz-executor.2 56813 341792 87246 0 3 0x82 nanoslp syz-executor.1 25879 450570 87246 0 3 0x82 nanoslp syz-executor.0 87246 396254 40939 0 3 0x2000082 wait syz-fuzzer 87246 333023 40939 0 3 0x6000082 nanoslp syz-fuzzer 87246 183026 40939 0 3 0x6000082 wait syz-fuzzer 87246 256637 40939 0 3 0x6000082 wait syz-fuzzer 87246 296466 40939 0 3 0x6000082 thrsleep syz-fuzzer 87246 499670 40939 0 3 0x6000082 wait syz-fuzzer 87246 478908 40939 0 3 0x6000082 thrsleep syz-fuzzer 87246 67109 40939 0 3 0x6000082 wait syz-fuzzer 87246 474552 40939 0 3 0x6000082 wait syz-fuzzer 87246 176535 40939 0 3 0x6000082 thrsleep syz-fuzzer 87246 19806 40939 0 3 0x6000082 thrsleep syz-fuzzer 87246 352685 40939 0 3 0x6000082 thrsleep syz-fuzzer 87246 25098 40939 0 3 0x6000082 wait syz-fuzzer 87246 284349 40939 0 3 0x6000082 kqread syz-fuzzer 87246 378140 40939 0 3 0x6000082 wait syz-fuzzer 40939 198557 85446 0 3 0x10008a sigsusp ksh 85446 264055 83028 0 3 0x9a kqread sshd 83028 278442 1 0 3 0x88 kqread sshd 67464 291823 24997 74 3 0x1100092 bpf pflogd 24997 20856 1 0 3 0x80 netio pflogd 44068 147549 8144 73 3 0x1100090 kqread syslogd 8144 102677 1 0 3 0x100082 netio syslogd 59025 141714 1 0 3 0x100080 kqread resolvd 3743 353139 43210 77 3 0x100092 kqread dhcpleased 65513 388791 43210 77 3 0x100092 kqread dhcpleased 43210 103399 1 0 3 0x80 kqread dhcpleased 92115 464214 0 0 3 0x14200 bored smr 84547 238537 0 0 2 0x14200 zerothread 27667 143847 0 0 3 0x14200 aiodoned aiodoned 29508 342827 0 0 3 0x14200 syncer update 50112 341620 0 0 3 0x14200 cleaner cleaner 20928 393735 0 0 3 0x14200 reaper reaper 10905 420838 0 0 3 0x14200 pgdaemon pagedaemon 76030 186015 0 0 3 0x14200 bored viomb 35562 183268 0 0 3 0x40014200 acpi0 acpi0 65477 262943 0 0 3 0x40014200 idle1 85569 304156 0 0 3 0x14200 bored softnet3 71153 86008 0 0 3 0x14200 bored softnet2 46387 285363 0 0 3 0x14200 bored softnet1 27951 195482 0 0 3 0x14200 bored softnet0 85479 4217 0 0 3 0x14200 bored systqmp 63374 384660 0 0 3 0x14200 bored systq 48119 478728 0 0 3 0x40014200 bored softclock 40696 460590 0 0 3 0x40014200 idle0 1 225092 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 50360 (syz-executor.3) thread 0xffff8000212c9808 (264025) exclusive rrwlock inode r = 0 (0xfffffd8063df0708) #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 16584 (syz-executor.6) thread 0xffff8000211f5560 (75875) exclusive rrwlock inode r = 0 (0xfffffd806e9c15f0) #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 (0xfffffd8063df05f8) #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 95059 (syz-executor.5) thread 0xffff8000211f5ab0 (106118) exclusive rrwlock inode r = 0 (0xfffffd80688d30a0) #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 (0xfffffd8063df0a38) #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 46640 (syz-executor.2) thread 0xffff800021224ff0 (457109) exclusive rrwlock inode r = 0 (0xfffffd80688d3c50) #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 (0xfffffd806bba42b8) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10227 6553K 8618K 78643K 15166 0 pcb 13 11K 13K 78643K 134 0 rtable 245 7K 7K 78643K 477 0 pf 32 9K 10K 78643K 102 0 ifaddr 45 15K 16K 78643K 81 0 ifgroup 55 2K 2K 78643K 146 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 36K 78643K 108 0 ioctlops 0 0K 4K 78643K 1604 0 iov 0 0K 16K 78643K 114 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1381 86K 87K 78643K 2467 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 67 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 346 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 12 41K 89K 78643K 3491 0 sigio 0 0K 0K 78643K 22 0 proc 70 91K 140K 78643K 776 0 subproc 104 6K 6K 78643K 130 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 144 0 in_multi 99 7K 7K 78643K 151 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 223 996K 996K 78643K 223 0 exec 0 0K 1K 78643K 770 0 pfkey data 0 0K 0K 78643K 5 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 350 93K 97K 78643K 37764 0 UVM aobj 131 6K 6K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 58 0 NDP 12 0K 1K 78643K 56 0 temp 73 5916K 6044K 78643K 15384 0 kqueue 12 18K 24K 78643K 159 0 SYN cache 2 16K 24K 78643K 3 0 ddb{0}> 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 120 170 0 167 3 2 1 3 0 8 0 rtentry 112 148 0 34 4 0 4 4 0 8 0 unpcb 144 2258 0 2243 28 27 1 6 0 8 0 syncache 304 29 0 29 6 6 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 249 0 249 6 6 0 1 0 8 0 tcpcb 808 1054 0 1038 49 47 2 11 0 8 0 arp 120 23 0 4 1 0 1 1 0 8 0 inpcb 368 1968 0 1944 55 52 3 11 0 8 0 nd6 136 37 0 10 1 0 1 1 0 8 0 pkpcb 40 75 0 75 4 4 0 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1256 8 0 8 2 2 0 1 0 8 0 pffrag 232 45 0 43 3 2 1 1 0 482 0 pffrnode 88 45 0 43 3 2 1 1 0 8 0 pffrent 40 90 0 88 3 2 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 98 0 78 1 0 1 1 0 8 0 pfstkey 128 98 0 78 1 0 1 1 0 8 0 pfstate 376 98 0 78 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 256 579 0 116 30 1 29 30 0 8 0 art_table 32 580 0 116 4 0 4 4 0 8 0 art_node 16 140 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 109 0 79 1 0 1 1 0 8 0 semapl 112 344 0 334 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 6496 0 5037 92 0 92 92 0 8 0 ffsino 272 6496 0 5037 98 0 98 98 0 8 0 nchpl 144 11714 0 10059 64 0 64 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 38059 0 38058 5 4 1 2 0 8 0 percpumem 16 67 0 24 1 0 1 1 0 8 0 vmpool 696 19 0 19 5 5 0 1 0 8 0 kstatmem 264 72 0 48 2 0 2 2 0 8 0 scxspl 216 34031 0 34031 13 12 1 8 1 8 1 plimitpl 152 281 0 265 1 0 1 1 0 8 0 sigapl 424 3849 0 3783 12 4 8 8 0 8 0 futexpl 64 31093 0 31093 2 1 1 1 0 8 1 knotepl 120 438 0 0 14 0 14 14 0 8 0 kqueuepl 216 409 0 401 9 8 1 5 0 8 0 pipepl 320 776 0 748 24 21 3 8 0 8 0 fdescpl 496 3790 0 3765 5 1 4 5 0 8 0 filepl 152 22007 0 21763 57 43 14 19 0 8 3 lockfpl 104 5236 0 5232 13 12 1 3 0 8 0 lockfspl 48 1054 0 1051 1 0 1 1 0 8 0 sessionpl 144 27 0 10 1 0 1 1 0 8 0 pgrppl 48 72 0 55 1 0 1 1 0 8 0 ucredpl 104 2486 0 2474 1 0 1 1 0 8 0 zombiepl 144 3786 0 3783 1 0 1 1 0 8 0 processpl 1072 3849 0 3783 5 0 5 5 0 8 0 procpl 680 10229 0 10149 17 9 8 10 0 8 0 sosppl 168 18 0 17 5 4 1 1 0 8 0 sockpl 488 4477 0 4438 118 112 6 22 0 8 0 mcl64k 65536 22 0 0 3 0 3 3 0 8 0 mcl16k 16384 24 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 24 0 0 2 0 2 2 0 8 0 mcl8k 8192 26 0 0 4 1 3 3 0 8 0 mcl4k 4096 24 0 0 3 1 2 3 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 254 0 0 31 0 31 31 0 8 0 mtagpl 96 468 0 0 11 0 11 11 0 8 0 mbufpl 256 1770 0 0 109 0 109 109 0 8 0 bufpl 288 9679 0 3352 453 0 453 453 0 8 0 anonpl 24 447807 0 434492 106 17 89 106 0 186 1 amapchunkpl 152 116266 0 115482 67 30 37 44 0 158 0 amappl16 200 9060 0 8690 35 14 21 33 0 8 1 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 195 0 179 2 1 1 2 0 8 0 amappl13 176 14 0 14 2 2 0 1 0 8 0 amappl12 168 4494 0 4470 3 1 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 39 0 26 2 1 1 1 0 8 0 amappl9 144 383 0 382 1 0 1 1 0 8 0 amappl8 136 424 0 319 4 0 4 4 0 8 0 amappl7 128 154 0 141 2 0 2 2 0 8 0 amappl6 120 315 0 292 2 1 1 2 0 8 0 amappl5 112 407 0 394 1 0 1 1 0 8 0 amappl4 104 692 0 647 3 1 2 3 0 8 0 amappl3 96 23714 0 23652 5 2 3 3 0 8 0 amappl2 88 4146 0 4080 3 1 2 3 0 8 0 amappl1 80 21492 0 20953 24 11 13 23 0 8 0 amappl 88 36417 0 36209 8 1 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 3809 0 3784 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3809 0 3784 1 0 1 1 0 8 0 vmmpekpl 168 35285 0 35233 3 0 3 3 0 8 0 vmmpepl 168 245721 0 243579 166 58 108 120 0 357 2 vmsppl 464 3808 0 3784 5 1 4 5 0 8 0 rwobjpl 56 69534 0 62016 113 5 108 110 0 8 0 pdppl 4096 7625 0 7568 259 190 69 81 0 8 12 pvpl 32 1183859 0 1164897 404 237 167 357 0 265 3 pmappl 248 3808 0 3784 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1220 0 309 27 0 27 27 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace witness_checkorder(fffffd806efb5010,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd806efb5000) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff8000212c9ab0,fffffd806efb5000,fffffd806efb5088,3,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000212c9ab0,3) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000212c9ab0) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000212c9ab0,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000212c9ab0,ffff80002e3f5c50,ffff80002e3f5ca0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e3f5d20) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e3f5d20) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75a2720d04c0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d58ff0) 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(ffffffff82c85f30) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c85f30) at __mp_lock+0x122 sys/kern/kern_lock.c:147 uvm_fault(fffffd806990b1e8,9fe83da9000,0,2) at uvm_fault+0x181 sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002afa92f0,9fe83da9000) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002afa92f0) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7986848f7570, count: 7 ddb{1}> trace x86_ipi_db(ffff800020d58ff0) 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(ffffffff82c85f30) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c85f30) at __mp_lock+0x122 sys/kern/kern_lock.c:147 uvm_fault(fffffd806990b1e8,9fe83da9000,0,2) at uvm_fault+0x181 sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002afa92f0,9fe83da9000) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002afa92f0) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7986848f7570, count: -8