panic: mtx 0xffffffff83929c90: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *384517 17218 32767 0x10 0 1 syz-executor 254058 93448 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f34a5) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83929c90) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff83929c90) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd8007dbbbb8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007dbbbb8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007dbbbb8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805bd284a0,1000,ffff80002a34ebc8,ffff80002a34ebac,0,2,4baea8ae24990d0,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a34ede0,ffff80002a34ee18,ffff80002a34ec60,ffff80002a34ec48) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80002a34ede0,ffff80002a34ee18,ffff80002a34ed60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd80797d7b88,200000001000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a34ef70,200000001000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a34ef70) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75fffbbd6520, 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 0xffffffff83929c90: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f34a5) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83929c90) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff83929c90) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd8007dbbbb8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007dbbbb8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007dbbbb8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805bd284a0,1000,ffff80002a34ebc8,ffff80002a34ebac,0,2,4baea8ae24990d0,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a34ede0,ffff80002a34ee18,ffff80002a34ec60,ffff80002a34ec48) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80002a34ede0,ffff80002a34ee18,ffff80002a34ed60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd80797d7b88,200000001000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a34ef70,200000001000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a34ef70) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75fffbbd6520, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a34e900 rbx 0xffff8000299deddf rdx 0 rcx 0xffff80002a2a8f78 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa9ec7a80b215a6f9 r11 0x864fd51bf93eab12 r12 0xffff8000299debe0 r13 0 r14 0 r15 0x1 rip 0xffffffff825398e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a34e8f0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=384517 pid=17218 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=0xffff80003c442a68,0xffff80002a2d4d00 process=0xffff80003c46b5d0 user=0xffff80002a34a000, vmspace=0xfffffd80797d7b88 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *17218 384517 10656 32767 7 0x10 syz-executor 17218 446532 10656 32767 3 0x4000010 uobjlk syz-executor 17218 408767 10656 32767 3 0x4000090 kqsel syz-executor 17218 356231 10656 32767 3 0x4000010 biowait syz-executor 37615 507482 85333 32767 2 0x10 syz-executor 37615 418021 85333 32767 3 0x4000090 fsleep syz-executor 37615 51226 85333 32767 3 0x4000090 fsleep syz-executor 37615 244419 85333 32767 2 0x4000010 syz-executor 29003 363256 25372 32767 2 0x10 syz-executor 56220 396979 9501 32767 2 0x82010 syz-executor 56220 482112 9501 32767 3 0x4002010 suspend syz-executor 56220 310260 9501 32767 4 0x4082010 syz-executor 72700 212306 45832 32767 2 0x10 syz-executor 72700 31490 45832 32767 3 0x4000090 fsleep syz-executor 93448 254058 10869 32767 7 0x10 syz-executor 93448 436489 10869 32767 3 0x4000090 kqread syz-executor 93448 193721 10869 32767 3 0x4000090 fsleep syz-executor 29840 62489 0 0 3 0x14200 bored sosplice 58560 458356 88173 32767 3 0x10 biowait syz-executor 45832 456678 25792 32767 3 0x90 nanoslp syz-executor 10656 497751 49784 32767 3 0x90 nanoslp syz-executor 85333 111751 87259 32767 3 0x90 nanoslp syz-executor 10869 326713 96868 32767 3 0x90 nanoslp syz-executor 25372 435127 9693 32767 3 0x90 nanoslp syz-executor 9501 328103 69884 32767 3 0x90 nanoslp syz-executor 88173 229980 90580 0 3 0x82 wait syz-executor 49784 7693 90580 0 3 0x82 wait syz-executor 25792 9212 90580 0 3 0x82 wait syz-executor 87259 110674 90580 0 3 0x82 wait syz-executor 96868 80899 90580 0 3 0x82 wait syz-executor 69884 81402 90580 0 3 0x82 wait syz-executor 9693 58756 90580 0 3 0x82 wait syz-executor 90580 414034 99692 0 2 0x10000002 syz-executor 99692 316075 56684 0 3 0x10008a sigsusp ksh 56684 347576 52996 0 3 0x98 kqread sshd-session 52996 237411 11833 0 3 0x92 kqread sshd-session 52038 165849 1 0 3 0x100083 ttyin getty 11833 467946 1 0 3 0x88 kqread sshd 29960 256918 8864 73 3 0x1100090 kqread syslogd 8864 172715 1 0 3 0x100082 sbwait syslogd 36155 56841 1 0 3 0x100080 kqread resolvd 30006 323756 62854 77 3 0x100092 kqread dhcpleased 69668 378794 62854 77 3 0x100092 kqread dhcpleased 62854 280977 1 0 3 0x80 kqread dhcpleased 86210 181258 0 0 3 0x14200 bored smr 87640 71276 0 0 2 0x14200 zerothread 66281 129854 0 0 3 0x14200 aiodoned aiodoned 6494 120075 0 0 3 0x14200 syncer update 58389 64317 0 0 3 0x14200 cleaner cleaner 8548 221182 0 0 3 0x14200 reaper reaper 66021 382431 0 0 3 0x14200 pgdaemon pagedaemon 12894 511327 0 0 3 0x14200 bored viomb 41288 449778 0 0 3 0x40014200 acpi0 acpi0 4052 118333 0 0 3 0x40014200 idle1 93890 273782 0 0 3 0x14200 bored softnet7 85442 54934 0 0 3 0x14200 bored softnet6 2114 372249 0 0 3 0x14200 bored softnet5 84916 243416 0 0 3 0x14200 bored softnet4 81531 320198 0 0 3 0x14200 bored softnet3 74942 268770 0 0 3 0x14200 bored softnet2 93374 412818 0 0 3 0x14200 bored softnet1 15126 13886 0 0 3 0x14200 bored softnet0 84839 395015 0 0 3 0x14200 bored systqmp 61575 422900 0 0 3 0x14200 bored systq 53574 90549 0 0 3 0x14200 tmoslp softclockmp 58356 242719 0 0 3 0x40014200 tmoslp softclock 42638 292220 0 0 3 0x40014200 idle0 1 184225 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 (0xffffffff83929ca0) #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+0x403 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 Process 17218 (syz-executor) thread 0xffff80002a2a8f78 (384517) exclusive rwlock uobjlk r = 0 (0xfffffd8068531468) #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+0x42b sys/kern/kern_rwlock.c:319 #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+0x403 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83929ca0) #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+0x403 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 Process 17218 (syz-executor) thread 0xffff80002a2d4020 (446532) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8390b990) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #1 syscall+0xae6 sys/arch/amd64/amd64/trap.c:748 #2 Xsyscall+0x128 Process 17218 (syz-executor) thread 0xffff80002a2d4f80 (356231) exclusive rrwlock inode r = 0 (0xfffffd80609c00e8) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #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:748 #7 Xsyscall+0x128 Process 58560 (syz-executor) thread 0xffff80002a2d4a60 (458356) exclusive rrwlock inode r = 0 (0xfffffd80609c0ec8) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #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:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c13c320) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #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:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10219 10958K 10968K 166960K 11302 0 pcb 17 14K 16K 166960K 19 0 rtable 193 5K 6K 166960K 282 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 4 1K 9K 166960K 9 0 counters 66 36K 36K 166960K 68 0 ioctlops 0 0K 2K 166960K 71 0 iov 0 0K 16K 166960K 20 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1335 84K 84K 166960K 1458 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 29 0 dirhash 12 2K 3K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 22 81K 125K 166960K 465 0 sigio 1 0K 0K 166960K 10 0 proc 58 99K 163K 166960K 508 0 subproc 63 3K 4K 166960K 126 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 54 0 in_multi 88 6K 7K 166960K 107 0 ether_multi 1 0K 0K 166960K 4 0 mrt 2 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 386 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 243 160K 193K 166960K 5767 0 UVM aobj 16 2K 2K 166960K 16 0 pinsyscall 43 86K 112K 166960K 1517 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 28 0 NDP 10 0K 2K 166960K 27 0 temp 52 8675K 8802K 166960K 6060 0 kqueue 14 22K 28K 166960K 83 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 74 0 69 1 0 1 1 0 8 0 rtentry 176 102 0 14 5 0 5 5 0 8 0 unpcb 144 310 0 292 2 0 2 2 0 8 1 syncache 336 10 0 10 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 248 0 243 4 0 4 4 0 8 3 arp 128 11 0 1 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 592 0 580 15 6 9 15 0 8 8 nd6 144 22 0 6 1 0 1 1 0 8 0 kcovpl 48 14 0 7 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 482 0 70 29 0 29 29 0 8 1 art_table 40 483 0 70 5 0 5 5 0 8 0 art_node 32 102 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 8 1 0 1 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 13 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2039 0 518 96 0 96 96 0 8 0 ffsino 296 2039 0 518 118 0 118 118 0 8 0 nchpl 144 2642 0 956 63 0 63 63 0 8 0 uvmvnodes 80 2174 0 0 45 0 45 45 0 8 0 vnodes 216 2174 0 0 121 0 121 121 0 8 0 namei 1024 8771 0 8770 2 0 2 2 0 8 1 percpumem 16 49 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 9306 0 9303 9 1 8 8 1 8 7 plimitpl 152 96 0 73 2 0 2 2 0 8 1 sigapl 424 743 0 685 8 0 8 8 0 8 0 knotepl 120 541 0 0 17 0 17 17 0 8 0 kqueuepl 224 121 0 110 2 0 2 2 0 8 1 pipepl 344 189 0 161 6 0 6 6 0 8 3 fdescpl 528 720 0 686 4 0 4 4 0 8 1 filepl 160 3888 0 3682 17 0 17 17 0 8 8 lockfpl 104 80 0 77 1 0 1 1 0 8 0 lockfspl 48 26 0 23 1 0 1 1 0 8 0 sessionpl 144 33 0 18 1 0 1 1 0 8 0 pgrppl 48 56 0 33 1 0 1 1 0 8 0 ucredpl 104 769 0 751 1 0 1 1 0 8 0 zombiepl 144 686 0 685 1 0 1 1 0 8 0 processpl 1248 743 0 685 7 1 6 6 0 8 0 procpl 656 1248 0 1179 7 0 7 7 0 8 1 sosppl 168 7 0 7 1 0 1 1 0 8 1 sockpl 752 978 0 943 21 10 11 21 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 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 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 209 0 0 14 0 14 14 0 8 0 bufpl 280 3368 0 119 233 0 233 233 0 8 0 anonpl 32 11402 0 0 92 0 92 92 0 246 0 amapchunkpl 152 18778 0 18250 41 2 39 39 0 158 15 amappl16 200 2620 0 2597 19 6 13 18 0 8 8 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 125 0 115 1 0 1 1 0 8 0 amappl13 176 9 0 8 1 0 1 1 0 8 0 amappl12 168 1332 0 1299 2 0 2 2 0 8 0 amappl11 160 48 0 37 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 261 0 261 1 0 1 1 0 8 1 amappl8 136 49 0 47 1 0 1 1 0 8 0 amappl7 128 99 0 89 1 0 1 1 0 8 0 amappl6 120 180 0 176 1 0 1 1 0 8 0 amappl5 112 114 0 108 1 0 1 1 0 8 0 amappl4 104 287 0 272 1 0 1 1 0 8 0 amappl3 96 3267 0 3151 4 0 4 4 0 8 0 amappl2 88 662 0 608 2 0 2 2 0 8 0 amappl1 80 10452 0 9885 15 0 15 15 0 8 0 amappl 88 5034 0 4857 5 0 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 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 15 0 0 1 0 1 1 0 8 0 uaddrrnd 24 720 0 686 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 720 0 686 1 0 1 1 0 8 0 vmmpekpl 168 7976 0 7931 3 0 3 3 0 8 0 vmmpepl 168 52907 0 50918 107 0 107 107 0 357 15 vmsppl 488 719 0 686 7 1 6 6 0 8 1 rwobjpl 80 19220 0 16205 63 0 63 63 0 8 0 pdppl 4096 1448 0 1372 116 32 84 98 0 8 8 pvpl 32 18162 0 0 148 1 147 147 0 265 0 pmappl 256 719 0 686 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 295 0 35 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386bff0) 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 __mp_lock(ffffffff8390b788) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8390b788) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a35abe0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8390b788) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8390b788) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc uvm_map_protect(fffffd80697da028,e9c4fc2d000,e9c5002c000,1,0,0,f08f2d825c7fc59a) at uvm_map_protect+0xbcd pmap_protect machine/pmap.h:475 [inline] uvm_map_protect(fffffd80697da028,e9c4fc2d000,e9c5002c000,1,0,0,f08f2d825c7fc59a) at uvm_map_protect+0xbcd sys/uvm/uvm_map.c:3191 sys_mprotect(ffff80002a2d54a0,ffff80002a35b0e0,ffff80002a35b030) at sys_mprotect+0x34c sys/uvm/uvm_mmap.c:590 syscall(ffff80002a35b0e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a35b0e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 end trace frame: 0xffff80002a35b160, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8386bff0) 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 __mp_lock(ffffffff8390b788) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8390b788) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a35abe0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8390b788) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8390b788) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc uvm_map_protect(fffffd80697da028,e9c4fc2d000,e9c5002c000,1,0,0,f08f2d825c7fc59a) at uvm_map_protect+0xbcd pmap_protect machine/pmap.h:475 [inline] uvm_map_protect(fffffd80697da028,e9c4fc2d000,e9c5002c000,1,0,0,f08f2d825c7fc59a) at uvm_map_protect+0xbcd sys/uvm/uvm_map.c:3191 sys_mprotect(ffff80002a2d54a0,ffff80002a35b0e0,ffff80002a35b030) at sys_mprotect+0x34c sys/uvm/uvm_mmap.c:590 syscall(ffff80002a35b0e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a35b0e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x762b0d1caf20, count: -15 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(ffffffff833f34a5) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83929c90) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff83929c90) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd8007dbbbb8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007dbbbb8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007dbbbb8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805bd284a0,1000,ffff80002a34ebc8,ffff80002a34ebac,0,2,4baea8ae24990d0,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a34ede0,ffff80002a34ee18,ffff80002a34ec60,ffff80002a34ec48) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80002a34ede0,ffff80002a34ee18,ffff80002a34ed60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd80797d7b88,200000001000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a34ef70,200000001000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a34ef70) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75fffbbd6520, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f34a5) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83929c90) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff83929c90) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd8007dbbbb8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007dbbbb8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007dbbbb8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805bd284a0,1000,ffff80002a34ebc8,ffff80002a34ebac,0,2,4baea8ae24990d0,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a34ede0,ffff80002a34ee18,ffff80002a34ec60,ffff80002a34ec48) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80002a34ede0,ffff80002a34ee18,ffff80002a34ed60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd80797d7b88,200000001000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a34ef70,200000001000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a34ef70) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75fffbbd6520, count: -13