panic: mtx 0xffffffff839c4b98: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *282648 78690 0 0 0 1 syz-executor 82070 21801 0 0 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ee7ea) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839c4b98) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839c4b98) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80082bf840) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80082bf840) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80082bf840) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f736900,0,ffff80003c46ccc8,ffff80003c46ccac,0,2,b1b387be7c150157,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c46cee0,ffff80003c46cf18,ffff80003c46cd60,ffff80003c46cd48) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c46cee0,ffff80003c46cf18,ffff80003c46ce60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c0523e0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c46d070,200000000000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c46d070) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c85f4f80710, count: 2 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: mtx 0xffffffff839c4b98: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ee7ea) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839c4b98) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839c4b98) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80082bf840) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80082bf840) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80082bf840) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f736900,0,ffff80003c46ccc8,ffff80003c46ccac,0,2,b1b387be7c150157,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c46cee0,ffff80003c46cf18,ffff80003c46cd60,ffff80003c46cd48) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c46cee0,ffff80003c46cf18,ffff80003c46ce60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c0523e0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c46d070,200000000000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c46d070) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c85f4f80710, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c46ca00 rbx 0xffff8000299dedd7 rdx 0 rcx 0xffff80003c438f88 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xb0367897542bfbd0 r11 0xc2b7665f59906500 r12 0xffff8000299debd8 r13 0 r14 0 r15 0x1 rip 0xffffffff82ef9765 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c46c9f0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=282648 pid=78690 tcnt=4 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c438028,0xffff80003c4394b8 process=0xffff80003c41d388 user=0xffff80003c468000, vmspace=0xfffffd806c0523e0 estcpu=36, cpticks=1, pctcpu=0.0, user=1, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 81167 138193 84765 0 2 0 syz-executor *78690 282648 49255 0 7 0 syz-executor 78690 119421 49255 0 3 0x4000080 fsleep syz-executor 78690 406390 49255 0 3 0x4000000 biowait syz-executor 78690 382583 49255 0 3 0x4000080 fsleep syz-executor 78474 410275 45056 0 2 0 syz-executor 78474 229172 45056 0 3 0x4000080 fsleep syz-executor 49823 185299 86604 0 2 0 syz-executor 49823 523473 86604 0 3 0x4000080 fsleep syz-executor 21801 82070 32234 0 7 0 syz-executor 21801 188038 32234 0 3 0x4000080 fsleep syz-executor 75970 316855 69965 0 2 0 syz-executor 75970 443619 69965 0 3 0x4000080 fsleep syz-executor 38568 248558 8637 0 3 0x80 nanoslp syz-executor 38568 355860 8637 0 3 0x4000080 kqsel syz-executor 38568 253944 8637 0 3 0x4000080 fsleep syz-executor 38568 232964 8637 0 3 0x4000080 fsleep syz-executor 47314 460208 1 0 3 0x100083 ttyin getty 3973 124619 0 0 3 0x14200 acct acct 33599 482331 0 0 3 0x14200 bored sosplice 76672 10390 94627 0 3 0x2 biowait syz-executor 8637 457589 94627 0 3 0x82 nanoslp syz-executor 86604 248250 94627 0 3 0x82 nanoslp syz-executor 45056 354129 94627 0 3 0x82 nanoslp syz-executor 32234 52667 94627 0 3 0x82 nanoslp syz-executor 84765 407345 94627 0 3 0x82 nanoslp syz-executor 69965 463341 94627 0 3 0x82 nanoslp syz-executor 49255 205815 94627 0 3 0x82 nanoslp syz-executor 94627 436645 71524 0 3 0x82 kqread syz-executor 71524 483502 80509 0 3 0x10008a sigsusp ksh 80509 446621 96097 0 3 0x98 kqread sshd-session 96097 351615 5525 0 3 0x92 kqread sshd-session 5525 404949 1 0 3 0x88 kqread sshd 7227 445678 3399 74 3 0x1100092 bpf pflogd 3399 376847 1 0 3 0x80 sbwait pflogd 41833 69991 59441 73 3 0x1100090 kqread syslogd 59441 203204 1 0 3 0x100082 sbwait syslogd 62189 422534 1 0 3 0x100080 kqread resolvd 40515 344000 75405 77 3 0x100092 kqread dhcpleased 56808 293781 75405 77 3 0x100092 kqread dhcpleased 75405 341961 1 0 3 0x80 kqread dhcpleased 12705 133856 0 0 3 0x14200 pause smr 32268 256327 0 0 2 0x14200 zerothread 18 358925 0 0 3 0x14200 aiodoned aiodoned 58956 443487 0 0 3 0x14200 syncer update 86811 106539 0 0 3 0x14200 cleaner cleaner 2654 522211 0 0 3 0x14200 reaper reaper 55829 231124 0 0 3 0x14200 pgdaemon pagedaemon 21838 65028 0 0 3 0x14200 bored viomb 80148 260901 0 0 3 0x40014200 acpi0 acpi0 79704 170992 0 0 3 0x40014200 idle1 12254 60179 0 0 3 0x14200 bored softnet3 45710 385721 0 0 3 0x14200 bored softnet2 60714 201479 0 0 3 0x14200 bored softnet1 49416 43491 0 0 3 0x14200 bored softnet0 85888 236666 0 0 3 0x14200 bored systqmp 52666 214531 0 0 3 0x14200 bored systq 75217 45510 0 0 3 0x14200 tmoslp softclockmp 96644 326163 0 0 3 0x40014200 tmoslp softclock 66770 326697 0 0 3 0x40014200 idle0 1 329638 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839c4ba8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 Process 81167 (syz-executor) thread 0xffff80003c4394a8 (138193) exclusive rwlock vmmaplk r = 0 (0xfffffd806c052c60) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1918 #4 uvm_fault_check+0x8a5 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline] #4 uvm_fault_check+0x8a5 sys/uvm/uvm_fault.c:784 #5 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #8 recall_trap+0x8 Process 78690 (syz-executor) thread 0xffff80003c438f88 (282648) exclusive rwlock uobjlk r = 0 (0xfffffd805f4ad078) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 uvn_io+0x667 sys/uvm/uvm_vnode.c:1297 #3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102 #4 uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839c4ba8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 Process 78690 (syz-executor) thread 0xffff80003c438548 (406390) exclusive rrwlock inode r = 0 (0xfffffd806e0eff50) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_ftruncate+0x1c4 sys/kern/vfs_syscalls.c:2912 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #7 Xsyscall+0x128 Process 76672 (syz-executor) thread 0xffff8000ffffd1f8 (10390) exclusive rrwlock inode r = 0 (0xfffffd806f68e658) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c528d40) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 11099K 11898K 166960K 12453 0 pcb 17 12K 20K 166960K 149 0 rtable 189 10K 11K 166960K 478 0 pf 39 19K 67487K 166960K 116 0 ifaddr 33 5K 7K 166960K 72 0 ifgroup 47 2K 2K 166960K 111 0 sysctl 4 1K 9K 166960K 14 0 counters 64 36K 37K 166960K 128 0 ioctlops 0 0K 4K 166960K 1612 0 iov 0 0K 18K 166960K 74 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1490 94K 94K 166960K 2239 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 21 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 777 0 sigio 0 0K 0K 166960K 11 0 proc 73 91K 140K 166960K 608 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 63 0 in_multi 70 5K 7K 166960K 123 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 535 0 fusefs mount 1 32K 32K 166960K 1 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 238 167K 183K 166960K 8877 0 UVM aobj 16 2K 2K 166960K 19 0 pinsyscall 42 84K 104K 166960K 1839 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 46 0 NDP 10 0K 2K 166960K 47 0 temp 80 8696K 8776K 166960K 35067 0 kqueue 13 20K 30K 166960K 155 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 82 0 79 1 0 1 1 0 8 0 rtentry 176 132 0 58 6 0 6 6 0 8 0 unpcb 144 434 0 417 5 3 2 4 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 281 0 275 10 9 1 7 0 8 0 arp 128 21 0 6 1 0 1 1 0 8 0 inpcb 328 734 0 724 10 8 2 7 0 8 1 nd6 144 25 0 9 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 2 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 23 0 23 2 1 1 1 0 8 1 pppxif 1504 5 0 5 3 1 2 2 0 8 2 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 5 0 4 2 1 1 1 0 8 0 pfosfp 40 1430 0 1006 5 0 5 5 0 8 0 pfosfpen 112 1430 0 714 21 0 21 21 0 8 0 pfrktable 1344 4 0 1 1 0 1 1 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 59 0 22 1 0 1 1 0 8 0 pfstkey 128 61 0 24 2 0 2 2 0 8 0 pfstate 384 58 0 23 4 0 4 4 0 8 0 pfrule 1344 28 0 19 2 1 1 2 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 533 0 219 29 4 25 29 0 8 1 art_table 32 535 0 219 4 0 4 4 0 8 0 art_node 16 129 0 63 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 16 0 3 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2829 0 1327 95 0 95 95 0 8 0 ffsino 288 2829 0 1327 109 0 109 109 0 8 0 nchpl 144 3905 0 2219 64 0 64 64 0 8 0 rtmask 32 4 0 4 2 1 1 1 0 8 1 uvmvnodes 80 3492 0 0 72 0 72 72 0 8 0 vnodes 216 3492 0 0 194 0 194 194 0 8 0 namei 1024 14018 0 14017 5 4 1 2 0 8 0 percpumem 16 79 0 32 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 62 0 40 4 2 2 3 0 8 0 scsiplug 72 5 0 5 2 1 1 1 0 8 1 scxspl 216 20907 0 20904 11 9 2 8 1 8 1 plimitpl 152 173 0 155 1 0 1 1 0 8 0 sigapl 424 1058 0 1007 7 1 6 7 0 8 0 knotepl 120 552 0 0 17 0 17 17 0 8 0 kqueuepl 224 250 0 239 3 2 1 2 0 8 0 pipepl 336 160 0 133 3 0 3 3 0 8 0 fdescpl 520 1038 0 1007 3 0 3 3 0 8 0 filepl 160 6314 0 6100 22 11 11 16 0 8 0 lockfpl 104 624 0 621 3 2 1 2 0 8 0 lockfspl 48 266 0 263 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 948 0 934 1 0 1 1 0 8 0 zombiepl 144 1369 0 1369 3 2 1 1 0 8 1 processpl 1240 1058 0 1007 6 1 5 5 0 8 0 procpl 656 2275 0 2214 7 1 6 7 0 8 0 srpgc 96 5 0 5 2 2 0 1 0 8 0 sosppl 168 3 0 3 2 1 1 1 0 8 1 sockpl 728 1312 0 1282 17 13 4 10 0 8 1 mcl64k 65536 6 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 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 189 0 0 12 0 12 12 0 8 0 bufpl 280 8221 0 2079 439 0 439 439 0 8 0 anonpl 32 10142 0 0 82 0 82 82 0 246 0 amapchunkpl 152 29687 0 29185 48 21 27 35 0 158 4 amappl16 200 4800 0 4767 44 29 15 17 0 8 7 amappl15 192 34 0 34 1 1 0 1 0 8 0 amappl14 184 113 0 101 1 0 1 1 0 8 0 amappl13 176 4 0 4 2 1 1 1 0 8 1 amappl12 168 1683 0 1652 3 1 2 2 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 34 0 33 2 1 1 1 0 8 0 amappl9 144 248 0 247 1 0 1 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 111 0 99 1 0 1 1 0 8 0 amappl6 120 179 0 175 1 0 1 1 0 8 0 amappl5 112 128 0 119 1 0 1 1 0 8 0 amappl4 104 328 0 306 1 0 1 1 0 8 0 amappl3 96 5698 0 5586 5 1 4 4 0 8 0 amappl2 88 632 0 570 2 0 2 2 0 8 0 amappl1 80 10781 0 10162 15 2 13 15 0 8 0 amappl 88 8070 0 7907 6 1 5 5 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 2 1 1 1 0 8 1 dma64 64 8 0 8 3 3 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 18 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1038 0 1007 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1038 0 1007 1 0 1 1 0 8 0 vmmpekpl 168 10111 0 10071 3 0 3 3 0 8 0 vmmpepl 168 72357 0 70353 115 14 101 103 0 357 4 vmsppl 480 1037 0 1007 5 1 4 5 0 8 0 rwobjpl 72 25675 0 21216 86 0 86 86 0 8 0 pdppl 4096 2083 0 2014 105 34 71 83 0 8 2 pvpl 32 19594 0 0 158 0 158 158 0 265 0 pmappl 256 1037 0 1007 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 403 0 56 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83806ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff838cd4f8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838cd4f8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff800033bef8b0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc syscall(ffff800033befa90) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033befa90) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c2825493f90, count: 5 ddb{0}> trace x86_ipi_db(ffffffff83806ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff838cd4f8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838cd4f8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff800033bef8b0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc syscall(ffff800033befa90) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033befa90) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c2825493f90, count: -10 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ee7ea) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839c4b98) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839c4b98) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80082bf840) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80082bf840) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80082bf840) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f736900,0,ffff80003c46ccc8,ffff80003c46ccac,0,2,b1b387be7c150157,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c46cee0,ffff80003c46cf18,ffff80003c46cd60,ffff80003c46cd48) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c46cee0,ffff80003c46cf18,ffff80003c46ce60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c0523e0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c46d070,200000000000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c46d070) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c85f4f80710, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ee7ea) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839c4b98) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839c4b98) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80082bf840) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80082bf840) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80082bf840) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f736900,0,ffff80003c46ccc8,ffff80003c46ccac,0,2,b1b387be7c150157,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c46cee0,ffff80003c46cf18,ffff80003c46cd60,ffff80003c46cd48) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c46cee0,ffff80003c46cf18,ffff80003c46ce60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c0523e0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c46d070,200000000000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c46d070) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7c85f4f80710, count: -13