panic: mtx 0xffffffff8393fbd0: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 439436 30972 60928 0x10 0 1 syz-executor *476592 30972 60928 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e1b31) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff8393fbd0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff8393fbd0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80049ef448) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80049ef448) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80049ef448) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f9bbf08,8040000000000000,ffff800033bf2218,ffff800033bf21fc,0,0,570e391745522754,0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800033bf2430,ffff800033bf2468,ffff800033bf22b0,ffff800033bf2298) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1651 uvm_fault_lower(ffff800033bf2430,ffff800033bf2468,ffff800033bf23b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1418 uvm_fault(fffffd806e89c5b0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff800033bf25e0,200000000000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800033bf25e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 end trace frame: 0xffff800033bf2800, count: 0 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: mtx 0xffffffff8393fbd0: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e1b31) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff8393fbd0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff8393fbd0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80049ef448) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80049ef448) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80049ef448) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f9bbf08,8040000000000000,ffff800033bf2218,ffff800033bf21fc,0,0,570e391745522754,0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800033bf2430,ffff800033bf2468,ffff800033bf22b0,ffff800033bf2298) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1651 uvm_fault_lower(ffff800033bf2430,ffff800033bf2468,ffff800033bf23b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1418 uvm_fault(fffffd806e89c5b0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff800033bf25e0,200000000000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800033bf25e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 syscall(ffff800033bf2810) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033bf2810) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2016a54170, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800033bf1f60 rbx 0xffffffff8389edcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff80003b408a70 rax 0xffffffff8389dff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd677b95b4d2e5928 r11 0xda7b5a6673aa3a40 r12 0xffffffff8389ebd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81a8d175 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800033bf1f50 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=476592 pid=30972 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=86, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003b409740,0xffff80003b4094c0 process=0xffff8000fffee0b0 user=0xffff800033bed000, vmspace=0xfffffd806e89c5b0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83013 99833 58291 0 3 0x80 nanoslp syz-executor 83013 303891 58291 0 3 0x4000080 fsleep syz-executor 30972 439436 52690 60928 7 0x10 syz-executor 30972 266026 52690 60928 3 0x4000010 uobjlk syz-executor *30972 476592 52690 60928 7 0x4000010 syz-executor 30972 23904 52690 60928 2 0x4000090 syz-executor 53739 217711 42979 0 3 0x80 nanoslp syz-executor 53739 376191 42979 0 3 0x4000080 kqsel syz-executor 53739 482303 42979 0 3 0x4000080 fsleep syz-executor 53739 212118 42979 0 3 0x4000080 fsleep syz-executor 43700 312826 49822 0 3 0x80 nanoslp syz-executor 43700 151770 49822 0 3 0x4000080 kqsel syz-executor 43700 310400 49822 0 3 0x4000080 fsleep syz-executor 32721 330779 78853 0 3 0x82 nanoslp syz-executor 58291 58067 78853 0 3 0x82 nanoslp syz-executor 21028 97159 78853 0 3 0x2 biowait syz-executor 23902 446090 1 0 3 0x100083 ttyin getty 90718 61993 78853 0 3 0x2 biowait syz-executor 52690 98173 78853 0 3 0x82 nanoslp syz-executor 42979 106150 78853 0 3 0x82 nanoslp syz-executor 4140 77961 0 0 3 0x14200 bored sosplice 53221 79295 78853 0 3 0x82 wait syz-executor 49822 76901 78853 0 3 0x82 nanoslp syz-executor 78853 502021 16446 0 3 0x82 kqread syz-executor 16446 523745 69843 0 3 0x10008a sigsusp ksh 69843 292703 76986 0 3 0x98 kqread sshd-session 76986 356164 37995 0 3 0x92 kqread sshd-session 37995 42358 1 0 3 0x88 kqread sshd 77536 185518 65290 74 3 0x1100092 bpf pflogd 65290 127442 1 0 3 0x80 sbwait pflogd 68065 250876 88204 73 3 0x1100090 kqread syslogd 88204 334850 1 0 3 0x100082 sbwait syslogd 12145 318116 1 0 3 0x100080 kqread resolvd 51391 404031 883 77 3 0x100092 kqread dhcpleased 79309 54367 883 77 3 0x100092 kqread dhcpleased 883 495509 1 0 3 0x80 kqread dhcpleased 78110 348762 0 0 3 0x14200 bored smr 69381 171940 0 0 3 0x14200 pgzero zerothread 60878 58686 0 0 3 0x14200 aiodoned aiodoned 51211 124385 0 0 3 0x14200 syncer update 5759 346355 0 0 3 0x14200 cleaner cleaner 84686 284811 0 0 3 0x14200 reaper reaper 92024 178772 0 0 3 0x14200 pgdaemon pagedaemon 22329 501183 0 0 3 0x14200 bored viomb 85486 440055 0 0 3 0x40014200 acpi0 acpi0 98256 43086 0 0 3 0x40014200 idle1 2784 162641 0 0 3 0x14200 bored softnet3 63650 184415 0 0 3 0x14200 bored softnet2 40020 69507 0 0 3 0x14200 bored softnet1 58155 523678 0 0 3 0x14200 bored softnet0 18753 361012 0 0 3 0x14200 bored systqmp 55244 244242 0 0 3 0x14200 bored systq 73556 15016 0 0 3 0x14200 tmoslp softclockmp 83277 384672 0 0 3 0x40014200 tmoslp softclock 18471 160760 0 0 3 0x40014200 idle0 1 375456 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff8393fbe0) #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:1651 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1418 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #8 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #9 alltraps_kern_meltdown+0x7b #10 copyout+0x57 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 Process 30972 (syz-executor) thread 0xffff80003b409740 (266026) exclusive rwlock vmmaplk r = 0 (0xfffffd806e89c6b0) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_map_clean+0x11b sys/uvm/uvm_map.c:4448 #4 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83977e28) #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:577 #2 Xsyscall+0x128 Process 30972 (syz-executor) thread 0xffff80003b408a70 (476592) exclusive rwlock uobjlk r = 0 (0xfffffd800d2cf570) #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:1651 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1418 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #8 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #9 alltraps_kern_meltdown+0x7b #10 copyout+0x57 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rwlock fdlock r = 0 (0xffff80002a2a30a8) #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_socketpair+0x2f5 sys/kern/uipc_syscalls.c:-1 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff8393fbe0) #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:1651 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1418 #6 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #7 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #8 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #9 alltraps_kern_meltdown+0x7b #10 copyout+0x57 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 Process 21028 (syz-executor) thread 0xffff80003b4174b8 (97159) exclusive rrwlock inode r = 0 (0xfffffd806dd9ce40) #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:524 #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:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d328e48) #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:524 #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:577 #9 Xsyscall+0x128 Process 90718 (syz-executor) thread 0xffff80003b409c60 (61993) exclusive rrwlock inode r = 0 (0xfffffd806ddab9b0) #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:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806dd8bf58) #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:524 #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10251 11266K 11944K 166960K 17414 0 pcb 17 14K 16K 166960K 419 0 rtable 220 11K 11K 166960K 773 0 pf 41 19K 82K 166960K 216 0 ifaddr 38 7K 7K 166960K 150 0 ifgroup 59 2K 3K 166960K 268 0 sysctl 4 1K 1K 166960K 6 0 counters 66 36K 38K 166960K 320 0 ioctlops 0 0K 4K 166960K 2057 0 iov 0 0K 16K 166960K 186 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1585 100K 100K 166960K 4357 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 37 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 305 0 dirhash 12 2K 2K 166960K 60 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 240K 166960K 2623 0 sigio 0 0K 0K 166960K 37 0 proc 72 91K 128K 166960K 931 0 subproc 72 4K 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 343 0 in_multi 80 6K 7K 166960K 261 0 ether_multi 1 0K 0K 166960K 19 0 mrt 2 0K 0K 166960K 10 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 1184 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 250 181K 190K 166960K 25076 0 UVM aobj 14 2K 2K 166960K 14 0 pinsyscall 41 82K 107K 166960K 3902 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 173 0 NDP 13 0K 2K 166960K 103 0 temp 79 8692K 8768K 166960K 101593 0 kqueue 13 20K 34K 166960K 383 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 351 0 348 6 3 3 3 0 8 2 rtentry 176 244 0 153 6 1 5 6 0 8 0 unpcb 144 1557 0 1538 10 7 3 6 0 8 2 syncache 336 7 0 7 3 2 1 1 0 8 1 tcpcb 808 924 0 920 25 18 7 8 0 8 6 arp 128 41 0 22 1 0 1 1 0 8 0 inpcb 384 2574 0 2502 27 19 8 9 0 8 0 nd6 144 58 0 31 2 0 2 2 0 8 0 pkpcb 40 21 0 21 2 2 0 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 2 0 1 0 8 0 ppxss 1192 95 0 95 2 1 1 1 0 8 1 pppxif 1504 45 0 45 3 2 1 1 0 8 1 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 9 0 3 1 0 1 1 0 482 0 pffrnode 88 9 0 3 1 0 1 1 0 8 0 pffrent 40 18 0 12 1 0 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 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 149 0 52 1 0 1 1 0 8 0 pfstkey 128 153 0 56 4 0 4 4 0 8 0 pfstate 384 145 0 51 10 0 10 10 0 8 0 pfrule 1344 31 0 25 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 990 0 593 34 7 27 29 0 8 0 art_table 32 992 0 593 4 0 4 4 0 8 0 art_node 16 240 0 162 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 14 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 301 0 291 1 0 1 1 0 8 0 shmpl 112 11 0 0 1 0 1 1 0 8 0 dirhash 1024 49 0 32 3 0 3 3 0 8 0 dino2pl 256 6052 0 4537 96 0 96 96 0 8 0 ffsino 288 6052 0 4537 109 0 109 109 0 8 0 nchpl 144 9522 0 7818 64 0 64 64 0 8 0 rtmask 32 8 0 8 2 2 0 1 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 33875 0 33874 3 2 1 2 0 8 0 percpumem 16 175 0 127 1 0 1 1 0 8 0 kstatmem 264 148 0 122 3 0 3 3 0 8 0 scsiplug 72 9 0 9 5 4 1 1 0 8 1 scxspl 216 28013 0 28011 12 10 2 8 1 8 1 plimitpl 152 521 0 504 1 0 1 1 0 8 0 sigapl 424 2915 0 2866 9 2 7 7 0 8 0 futexpl 64 36518 0 36514 1 0 1 1 0 8 0 knotepl 120 699 0 0 22 1 21 22 0 8 0 kqueuepl 224 933 0 921 11 6 5 5 0 8 4 pipepl 336 373 0 346 10 5 5 8 0 8 2 fdescpl 520 2893 0 2863 3 0 3 3 0 8 0 filepl 160 18786 0 18499 23 8 15 18 0 8 1 lockfpl 104 917 0 913 3 2 1 2 0 8 0 lockfspl 48 384 0 380 1 0 1 1 0 8 0 sessionpl 144 34 0 25 1 0 1 1 0 8 0 pgrppl 48 74 0 57 1 0 1 1 0 8 0 ucredpl 104 3293 0 3278 1 0 1 1 0 8 0 zombiepl 144 3304 0 3302 1 0 1 1 0 8 0 processpl 1192 2915 0 2866 5 0 5 5 0 8 0 procpl 656 6842 0 6784 8 1 7 7 0 8 0 srpgc 96 16 0 16 2 2 0 1 0 8 0 sosppl 168 13 0 13 4 3 1 1 0 8 1 sockpl 728 4592 0 4498 36 27 9 16 0 8 0 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 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 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 36 0 0 4 0 4 4 0 8 0 mtagpl 96 128 0 0 3 0 3 3 0 8 0 mbufpl 256 2168 0 0 134 0 134 134 0 8 0 bufpl 280 7336 0 1194 440 0 440 440 0 8 1 anonpl 32 10212 0 0 83 0 83 83 0 246 0 amapchunkpl 152 84360 0 83830 39 11 28 31 0 158 4 amappl16 200 6603 0 6566 43 33 10 15 0 8 5 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 138 0 126 1 0 1 1 0 8 0 amappl13 176 6 0 6 2 2 0 1 0 8 0 amappl12 168 3646 0 3615 4 2 2 3 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 129 0 116 1 0 1 1 0 8 0 amappl6 120 248 0 244 1 0 1 1 0 8 0 amappl5 112 154 0 143 1 0 1 1 0 8 0 amappl4 104 362 0 342 1 0 1 1 0 8 0 amappl3 96 17715 0 17604 5 1 4 4 0 8 0 amappl2 88 771 0 707 2 0 2 2 0 8 0 amappl1 80 19714 0 19117 17 2 15 15 0 8 0 amappl 88 23832 0 23659 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 0 1 1 0 8 1 dma4096 4096 3 0 3 3 3 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 9 0 9 3 3 0 1 0 8 0 dma128 128 256 0 256 4 3 1 1 0 8 1 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 21 0 20 1 0 1 1 0 8 0 aobjpl 72 13 0 0 1 0 1 1 0 8 0 uaddrrnd 24 2893 0 2863 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2893 0 2863 1 0 1 1 0 8 0 vmmpekpl 168 22205 0 22143 3 0 3 3 0 8 0 vmmpepl 168 181298 0 179320 112 14 98 102 0 357 1 vmsppl 480 2892 0 2863 6 1 5 5 0 8 0 rwobjpl 72 49722 0 42828 131 3 128 131 0 8 1 pdppl 4096 5794 0 5726 122 50 72 86 0 8 4 pvpl 32 17275 0 0 141 2 139 139 0 265 0 pmappl 256 2892 0 2863 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 578 0 93 14 0 14 14 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e1b31) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff8393fbd0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff8393fbd0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80049ef448) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80049ef448) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80049ef448) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f9bbf08,8040000000000000,ffff800033bf2218,ffff800033bf21fc,0,0,570e391745522754,0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800033bf2430,ffff800033bf2468,ffff800033bf22b0,ffff800033bf2298) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1651 uvm_fault_lower(ffff800033bf2430,ffff800033bf2468,ffff800033bf23b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1418 uvm_fault(fffffd806e89c5b0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff800033bf25e0,200000000000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800033bf25e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 syscall(ffff800033bf2810) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033bf2810) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2016a54170, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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 end of kernel end trace frame: 0x799dfb463390, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 end of kernel end trace frame: 0x799dfb463390, count: -3