panic: mtx 0xffffffff838dae30: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *402786 32086 32767 0x10 0 1 syz-executor 57975 32086 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e7467) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838dae30) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838dae30) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008834de0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008834de0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008834de0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8067a19f08,0,ffff800038c1a7b8,ffff800038c1a79c,0,2,5716b63d3ede6b91,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800038c1a9d0,ffff800038c1aa08,ffff800038c1a850,ffff800038c1a838) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800038c1a9d0,ffff800038c1aa08,ffff800038c1a950) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c04d988,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800038c1ab60,200000000600) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800038c1ab60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7245f1c57b10, 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 0xffffffff838dae30: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e7467) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838dae30) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838dae30) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008834de0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008834de0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008834de0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8067a19f08,0,ffff800038c1a7b8,ffff800038c1a79c,0,2,5716b63d3ede6b91,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800038c1a9d0,ffff800038c1aa08,ffff800038c1a850,ffff800038c1a838) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800038c1a9d0,ffff800038c1aa08,ffff800038c1a950) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c04d988,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800038c1ab60,200000000600) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800038c1ab60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7245f1c57b10, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800038c1a500 rbx 0xffff8000299dedcf rdx 0 rcx 0xffff80003c428a98 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x536013ca5ab9bca2 r11 0xfacc0458479a9feb r12 0xffff8000299debd0 r13 0 r14 0 r15 0x1 rip 0xffffffff823cdcc5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800038c1a4f0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=402786 pid=32086 tcnt=4 stat=onproc flags process=10 proc=0 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800037ffb818,0xffff80003c427018 process=0xffff8000ffff6618 user=0xffff800038c15000, vmspace=0xfffffd806c04d988 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *32086 402786 43738 32767 7 0x10 syz-executor 32086 4496 43738 32767 3 0x4000090 fsleep syz-executor 32086 388557 43738 32767 3 0x4000010 biowait syz-executor 32086 57975 43738 32767 7 0x4000010 syz-executor 41131 386960 88425 32767 3 0x90 nanoslp syz-executor 41131 60349 88425 32767 3 0x4000090 sbwait syz-executor 41131 426412 88425 32767 3 0x4000090 fsleep syz-executor 61263 239013 85440 32767 3 0x90 nanoslp syz-executor 61263 508443 85440 32767 3 0x4000090 fifor syz-executor 61263 424789 85440 32767 3 0x4000090 fsleep syz-executor 58580 69899 94994 32767 3 0x400090 nanoslp syz-executor 58580 166761 94994 32767 3 0x4400090 pipewr syz-executor 58580 250542 94994 32767 3 0x4400090 pipewr syz-executor 82971 227200 0 0 3 0x14200 bored sosplice 72973 231977 78895 0 3 0x100082 sbwait arp 78895 356127 69083 0 3 0x10008a sigsusp sh 33618 471912 42476 32767 2 0x10 syz-executor 58933 35148 70642 32767 3 0x90 wait syz-executor 88425 433428 41781 32767 3 0x90 nanoslp syz-executor 93084 64719 47292 32767 3 0x90 wait syz-executor 85440 157274 74754 32767 3 0x90 nanoslp syz-executor 94994 406459 9226 32767 3 0x90 nanoslp syz-executor 43738 371270 1822 32767 3 0x90 nanoslp syz-executor 69083 202803 93643 0 3 0x80 wait syz-executor 42476 387235 53804 0 3 0x82 wait syz-executor 70642 26390 53804 0 3 0x82 wait syz-executor 9226 35912 53804 0 3 0x82 wait syz-executor 47292 137620 53804 0 3 0x82 wait syz-executor 41781 371628 53804 0 3 0x82 wait syz-executor 93643 126563 53804 0 3 0x82 wait syz-executor 74754 69887 53804 0 3 0x82 wait syz-executor 1822 226599 53804 0 3 0x82 wait syz-executor 53804 401718 98227 0 3 0x82 kqread syz-executor 98227 491839 82050 0 3 0x10008a sigsusp ksh 82050 293159 48527 0 3 0x98 kqread sshd-session 48527 266881 52107 0 3 0x92 kqread sshd-session 51199 495085 1 0 3 0x100083 ttyin getty 52107 278847 1 0 3 0x88 kqread sshd 55930 353181 61839 73 3 0x1100090 kqread syslogd 61839 501219 1 0 3 0x100082 sbwait syslogd 68862 477861 1 0 3 0x100080 kqread resolvd 83455 121033 59352 77 3 0x100092 kqread dhcpleased 85901 415162 59352 77 3 0x100092 kqread dhcpleased 59352 289947 1 0 3 0x80 kqread dhcpleased 80270 345187 0 0 3 0x14200 bored smr 94964 489644 0 0 3 0x14200 pgzero zerothread 12733 28627 0 0 3 0x14200 aiodoned aiodoned 2282 214265 0 0 3 0x14200 syncer update 89252 129284 0 0 3 0x14200 cleaner cleaner 54167 255610 0 0 3 0x14200 reaper reaper 14302 95667 0 0 3 0x14200 pgdaemon pagedaemon 64612 507432 0 0 3 0x14200 bored viomb 3779 70393 0 0 3 0x40014200 acpi0 acpi0 53701 419595 0 0 3 0x40014200 idle1 91337 194688 0 0 3 0x14200 bored softnet3 76376 386230 0 0 3 0x14200 bored softnet2 47872 225311 0 0 3 0x14200 bored softnet1 23559 97647 0 0 3 0x14200 bored softnet0 20261 153022 0 0 3 0x14200 bored systqmp 720 229370 0 0 3 0x14200 bored systq 26438 167082 0 0 3 0x14200 tmoslp softclockmp 959 171378 0 0 3 0x40014200 tmoslp softclock 49169 289539 0 0 3 0x40014200 idle0 1 361309 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 (0xffffffff838dae40) #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+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #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:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 32086 (syz-executor) thread 0xffff80003c428a98 (402786) exclusive rwlock uobjlk r = 0 (0xfffffd80674aef48) #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+0x3ea sys/kern/kern_rwlock.c:316 #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:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838dae40) #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+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #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:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 32086 (syz-executor) thread 0xffff80003c427008 (4496) exclusive rwlock futexpl r = 0 (0xffffffff83a0d110) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 pool_get+0x10b sys/kern/subr_pool.c:583 #3 futex_get+0x309 sys/kern/sys_futex.c:171 #4 futex_wait+0x328 sys/kern/sys_futex.c:-1 #5 sys_futex+0x149 sys/kern/sys_futex.c:101 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #7 Xsyscall+0x128 exclusive rwlock futex r = 0 (0xffffffff838a8508) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 sys_futex+0x69 sys/kern/sys_futex.c:98 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #4 Xsyscall+0x128 Process 32086 (syz-executor) thread 0xffff80003c4272b0 (388557) exclusive rrwlock inode r = 0 (0xfffffd806c71fc18) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #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:579 #7 Xsyscall+0x128 Process 33618 (syz-executor) thread 0xffff800037ffb020 (471912) exclusive rrwlock inode r = 0 (0xfffffd806c71ff78) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #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:1230 #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:579 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c71f0d8) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #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:579 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10188 10954K 10965K 166960K 11265 0 pcb 17 12K 12K 166960K 17 0 rtable 218 6K 6K 166960K 331 0 pf 31 16K 16K 166960K 31 0 ifaddr 40 7K 7K 166960K 42 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 2 1K 1K 166960K 2 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 29 0 iov 0 0K 12K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1336 84K 84K 166960K 1363 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 16 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 26 97K 125K 166960K 262 0 sigio 0 0K 0K 166960K 1 0 proc 58 79K 115K 166960K 482 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 29 0 in_multi 89 6K 6K 166960K 103 0 ether_multi 1 0K 0K 166960K 3 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 349 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 284 179K 188K 166960K 3950 0 UVM aobj 70 3K 5K 166960K 73 0 pinsyscall 48 96K 113K 166960K 1260 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 9 0 NDP 11 0K 1K 166960K 25 0 temp 49 8680K 8745K 166960K 4349 0 kqueue 13 20K 28K 166960K 52 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 43 0 38 1 0 1 1 0 8 0 rtentry 176 103 0 1 5 0 5 5 0 8 0 unpcb 144 119 0 99 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 808 123 0 117 8 0 8 8 0 8 7 arp 128 17 0 0 1 0 1 1 0 8 0 inpcb 384 240 0 229 8 0 8 8 0 8 6 nd6 144 21 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 412 0 0 26 0 26 26 0 8 0 art_table 32 413 0 0 4 0 4 4 0 8 0 art_node 16 102 0 9 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 70 0 3 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1733 0 227 95 0 95 95 0 8 0 ffsino 288 1733 0 227 108 0 108 108 0 8 0 nchpl 144 2167 0 492 63 0 63 63 0 8 0 uvmvnodes 80 1814 0 0 38 0 38 38 0 8 0 vnodes 216 1814 0 0 101 0 101 101 0 8 0 namei 1024 8529 0 8528 2 0 2 2 0 8 1 percpumem 16 47 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 6741 0 6739 5 2 3 3 1 8 2 plimitpl 152 45 0 19 2 0 2 2 0 8 0 sigapl 424 537 0 480 8 0 8 8 0 8 1 futexpl 64 1851 0 1848 1 0 1 1 0 8 0 knotepl 120 101 0 0 4 0 4 4 0 8 0 kqueuepl 224 132 0 122 5 0 5 5 0 8 4 pipepl 336 107 0 79 3 0 3 3 0 8 0 fdescpl 520 518 0 480 4 0 4 4 0 8 0 filepl 160 2172 0 1946 13 0 13 13 0 8 3 lockfpl 104 33 0 30 1 0 1 1 0 8 0 lockfspl 48 15 0 12 1 0 1 1 0 8 0 sessionpl 144 22 0 6 1 0 1 1 0 8 0 pgrppl 48 31 0 7 1 0 1 1 0 8 0 ucredpl 104 237 0 219 1 0 1 1 0 8 0 zombiepl 144 482 0 480 1 0 1 1 0 8 0 processpl 1216 537 0 480 5 0 5 5 0 8 0 procpl 680 773 0 707 7 0 7 7 0 8 0 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 728 406 0 370 9 0 9 9 0 8 5 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 1 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 207 0 0 13 0 13 13 0 8 0 bufpl 280 2496 0 113 171 0 171 171 0 8 0 anonpl 32 7757 0 0 63 0 63 63 0 246 0 amapchunkpl 152 12067 0 11460 32 0 32 32 0 158 6 amappl16 200 2543 0 2520 14 2 12 14 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 144 0 133 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1108 0 1070 3 0 3 3 0 8 0 amappl11 160 44 0 34 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 254 0 253 1 0 1 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 91 0 80 1 0 1 1 0 8 0 amappl6 120 171 0 167 1 0 1 1 0 8 0 amappl5 112 109 0 102 1 0 1 1 0 8 0 amappl4 104 304 0 286 1 0 1 1 0 8 0 amappl3 96 2063 0 1927 4 0 4 4 0 8 0 amappl2 88 605 0 547 2 0 2 2 0 8 0 amappl1 80 8356 0 7759 14 0 14 14 0 8 0 amappl 88 3310 0 3102 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 72 0 3 2 0 2 2 0 8 0 uaddrrnd 24 518 0 480 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 518 0 480 1 0 1 1 0 8 0 vmmpekpl 168 5791 0 5758 2 0 2 2 0 8 0 vmmpepl 168 39869 0 37680 106 0 106 106 0 357 4 vmsppl 480 517 0 480 7 1 6 6 0 8 0 rwobjpl 72 15800 0 12999 55 0 55 55 0 8 0 pdppl 4096 1043 0 960 115 28 87 99 0 8 4 pvpl 32 17119 0 0 139 0 139 139 0 265 0 pmappl 256 517 0 480 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 411 0 31 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83856ff0) 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+0xf sys/dev/kcov.c:149 intr_handler(ffff80003c44cb00,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff839f56c8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839f56c8) at __mp_lock+0x199 sys/kern/kern_lock.c:144 syscall(ffff80003c44ccd0) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44ccd0) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x869b7ea95d0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83856ff0) 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+0xf sys/dev/kcov.c:149 intr_handler(ffff80003c44cb00,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff839f56c8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839f56c8) at __mp_lock+0x199 sys/kern/kern_lock.c:144 syscall(ffff80003c44ccd0) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44ccd0) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x869b7ea95d0, count: -9 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(ffffffff833e7467) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838dae30) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838dae30) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008834de0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008834de0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008834de0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8067a19f08,0,ffff800038c1a7b8,ffff800038c1a79c,0,2,5716b63d3ede6b91,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800038c1a9d0,ffff800038c1aa08,ffff800038c1a850,ffff800038c1a838) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800038c1a9d0,ffff800038c1aa08,ffff800038c1a950) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c04d988,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800038c1ab60,200000000600) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800038c1ab60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7245f1c57b10, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e7467) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838dae30) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838dae30) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008834de0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008834de0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008834de0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8067a19f08,0,ffff800038c1a7b8,ffff800038c1a79c,0,2,5716b63d3ede6b91,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800038c1a9d0,ffff800038c1aa08,ffff800038c1a850,ffff800038c1a838) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800038c1a9d0,ffff800038c1aa08,ffff800038c1a950) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c04d988,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800038c1ab60,200000000600) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800038c1ab60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7245f1c57b10, count: -13