panic: mtx 0xffffffff838cdcb0: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 438028 59734 0 0 0 1 syz-executor *376274 59734 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833364cb) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838cdcb0) at mtx_enter_try+0x1da mtx_enter(ffffffff838cdcb0) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd8007fbdff0) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007fbdff0) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007fbdff0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f1b2d60,0,ffff80003c47e9c8,ffff80003c47e9ac,0,1,186aa32fb96ca151,1) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c47ebe0,ffff80003c47ec18,ffff80003c47ea60,ffff80003c47ea48) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c47ebe0,ffff80003c47ec18,ffff80003c47eb60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd800b0271e8,200000000000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003c47ed90,200000000280) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 kerntrap(ffff80003c47ed90) at kerntrap+0x198 sys/arch/amd64/amd64/trap.c:491 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 end trace frame: 0xffff80003c47efc0, 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 0xffffffff838cdcb0: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833364cb) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838cdcb0) at mtx_enter_try+0x1da mtx_enter(ffffffff838cdcb0) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd8007fbdff0) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007fbdff0) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007fbdff0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f1b2d60,0,ffff80003c47e9c8,ffff80003c47e9ac,0,1,186aa32fb96ca151,1) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c47ebe0,ffff80003c47ec18,ffff80003c47ea60,ffff80003c47ea48) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c47ebe0,ffff80003c47ec18,ffff80003c47eb60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd800b0271e8,200000000000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003c47ed90,200000000280) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 kerntrap(ffff80003c47ed90) at kerntrap+0x198 sys/arch/amd64/amd64/trap.c:491 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff80003c47efd0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c47efd0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72ca2809740, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c47e700 rbx 0xffffffff83824ddf cpu_info_full_primary+0x2ddf rdx 0 rcx 0xffff80003700b778 rax 0xffffffff83823ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1270353f478e3e19 r11 0x665ebe5a34b7a263 r12 0xffffffff83824be0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff81780d15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c47e6f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=376274 pid=59734 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003700ad18,0xffffffff8399d8a0 process=0xffff80003b426240 user=0xffff80003c47a000, vmspace=0xfffffd800b0271e8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 59734 438028 68192 0 7 0 syz-executor 59734 60453 68192 0 3 0x4000000 uobjlk syz-executor 59734 296944 68192 0 3 0x4000000 getblk syz-executor *59734 376274 68192 0 7 0x4000000 syz-executor 18228 444635 42184 60928 3 0x90 nanoslp syz-executor 18228 4755 42184 60928 3 0x4000090 kqsel syz-executor 18228 284931 42184 60928 3 0x4000090 kqsel syz-executor 18228 89255 42184 60928 3 0x4000090 fsleep syz-executor 8475 20937 10122 0 3 0x80 nanoslp syz-executor 8475 223447 10122 0 3 0x4000080 dtread syz-executor 8475 491358 10122 0 3 0x4000080 fsleep syz-executor 92766 5520 35740 0 3 0x2 biowait syz-executor 52663 201983 0 0 3 0x14280 nfsidl nfsio 66934 146446 0 0 3 0x14280 nfsidl nfsio 97606 440047 0 0 3 0x14280 nfsidl nfsio 87192 140855 0 0 3 0x14280 nfsidl nfsio 57208 296116 0 0 3 0x14280 nfsidl nfsio 24094 337086 0 0 3 0x14280 nfsidl nfsio 74245 238834 0 0 3 0x14280 nfsidl nfsio 25299 5527 0 0 3 0x14280 nfsidl nfsio 8177 116438 0 0 3 0x14280 nfsidl nfsio 39598 493291 0 0 3 0x14280 nfsidl nfsio 45179 327027 0 0 3 0x14280 nfsidl nfsio 32143 270086 0 0 3 0x14280 nfsidl nfsio 55675 275439 0 0 3 0x14280 nfsidl nfsio 41674 107066 0 0 3 0x14280 nfsidl nfsio 41297 493498 0 0 3 0x14280 nfsidl nfsio 15274 427353 0 0 3 0x14280 nfsidl nfsio 78893 127922 0 0 3 0x14280 nfsidl nfsio 23429 64884 0 0 3 0x14280 nfsidl nfsio 12114 189574 0 0 3 0x14280 nfsidl nfsio 20221 300047 0 0 3 0x14280 nfsidl nfsio 97122 423355 1 0 3 0x100083 ttyin getty 81086 517660 0 0 3 0x14200 bored sosplice 3223 378446 35740 0 3 0x82 nanoslp syz-executor 10122 305947 35740 0 3 0x82 nanoslp syz-executor 24382 275616 35740 0 3 0x82 wait syz-executor 42184 349017 35740 0 3 0x82 nanoslp syz-executor 64903 320477 35740 0 3 0x82 wait syz-executor 68192 143010 35740 0 3 0x82 nanoslp syz-executor 56322 339080 35740 0 3 0x82 nanoslp syz-executor 35740 504286 58210 0 3 0x82 kqread syz-executor 58210 189580 85906 0 3 0x10008a sigsusp ksh 85906 251412 57831 0 3 0x98 kqread sshd-session 57831 224240 94406 0 3 0x92 kqread sshd-session 94406 60309 1 0 3 0x88 kqread sshd 46466 41076 72990 74 3 0x1100092 bpf pflogd 72990 109550 1 0 3 0x80 sbwait pflogd 50509 455288 80431 73 3 0x1100090 kqread syslogd 80431 73122 1 0 3 0x100082 sbwait syslogd 72802 363618 1 0 3 0x100080 kqread resolvd 73189 486458 39957 77 3 0x100092 kqread dhcpleased 8621 321145 39957 77 3 0x100092 kqread dhcpleased 39957 378716 1 0 3 0x80 kqread dhcpleased 97374 221973 0 0 3 0x14200 bored smr 71271 71920 0 0 3 0x14200 pgzero zerothread 49295 455789 0 0 3 0x14200 aiodoned aiodoned 87753 66023 0 0 3 0x14200 syncer update 86330 392154 0 0 3 0x14200 cleaner cleaner 17475 82091 0 0 3 0x14200 reaper reaper 547 234996 0 0 3 0x14200 pgdaemon pagedaemon 26560 54189 0 0 3 0x14200 bored viomb 5689 41834 0 0 3 0x40014200 acpi0 acpi0 86697 408587 0 0 3 0x40014200 idle1 72580 368763 0 0 3 0x14200 bored softnet7 40930 26181 0 0 3 0x14200 bored softnet6 91726 477347 0 0 3 0x14200 bored softnet5 1485 333854 0 0 3 0x14200 bored softnet4 11065 363359 0 0 3 0x14200 bored softnet3 96835 219218 0 0 3 0x14200 bored softnet2 13643 198102 0 0 3 0x14200 bored softnet1 46300 134445 0 0 3 0x14200 bored softnet0 89199 234425 0 0 3 0x14200 bored systqmp 66437 375683 0 0 3 0x14200 bored systq 17796 338347 0 0 3 0x14200 tmoslp softclockmp 51739 298812 0 0 3 0x40014200 tmoslp softclock 17398 485054 0 0 3 0x40014200 idle0 1 191739 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 (0xffffffff838cdcc0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 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+0x674 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #7 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #8 kerntrap+0x198 sys/arch/amd64/amd64/trap.c:491 #9 alltraps_kern_meltdown+0x7b #10 _copyin+0x57 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 Process 59734 (syz-executor) thread 0xffff80003700a2b8 (60453) exclusive rwlock vmmaplk r = 0 (0xfffffd800b0272e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_map_clean+0x115 sys/uvm/uvm_map.c:4366 #4 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839b2c68) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:748 #2 Xsyscall+0x128 Process 59734 (syz-executor) thread 0xffff80003700ad18 (296944) exclusive rrwlock inode r = 0 (0xfffffd8079d2ab80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_ftruncate+0x1c1 sys/kern/vfs_syscalls.c:2912 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 59734 (syz-executor) thread 0xffff80003700b778 (376274) exclusive rwlock uobjlk r = 0 (0xfffffd807b880098) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvn_io+0x667 sys/uvm/uvm_vnode.c:1298 #3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102 #4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #7 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #8 kerntrap+0x198 sys/arch/amd64/amd64/trap.c:491 #9 alltraps_kern_meltdown+0x7b #10 _copyin+0x57 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838cdcc0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 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+0x674 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #7 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #8 kerntrap+0x198 sys/arch/amd64/amd64/trap.c:491 #9 alltraps_kern_meltdown+0x7b #10 _copyin+0x57 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 Process 92766 (syz-executor) thread 0xffff80003c49f798 (5520) exclusive rrwlock inode r = 0 (0xfffffd806e3bfcb0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 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+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e0af220) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10247 11156K 12421K 166960K 13698 0 pcb 17 18K 20K 166960K 431 0 rtable 222 11K 11K 166960K 452 0 pf 38 18K 67485K 166960K 271 0 ifaddr 42 8K 8K 166960K 124 0 ifgroup 55 2K 2K 166960K 221 0 sysctl 4 1K 9K 166960K 17 0 counters 68 36K 38K 166960K 256 0 ioctlops 0 0K 8K 166960K 1942 0 iov 0 0K 44K 166960K 138 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1523 96K 96K 166960K 2947 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 30 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 51 0 dirhash 15 2K 3K 166960K 75 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 106K 166960K 1746 0 sigio 0 0K 0K 166960K 110 0 proc 72 115K 164K 166960K 789 0 subproc 72 4K 4K 166960K 82 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 360 0 in_multi 98 7K 7K 166960K 159 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 15 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 612 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 249 172K 188K 166960K 17971 0 UVM aobj 94 3K 3K 166960K 101 0 pinsyscall 42 84K 102K 166960K 2867 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 143 0 NDP 12 0K 2K 166960K 88 0 temp 83 8648K 8728K 166960K 78052 0 kqueue 14 22K 32K 166960K 324 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 120 180 0 177 2 1 1 2 0 8 0 rtentry 176 138 0 49 5 0 5 5 0 8 0 unpcb 144 1276 0 1259 10 6 4 4 0 8 3 syncache 336 8 0 8 3 3 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 682 0 677 15 8 7 7 0 8 6 arp 128 15 0 4 1 0 1 1 0 8 0 inpcb 328 2038 0 2028 22 15 7 10 0 8 6 nd6 144 24 0 5 1 0 1 1 0 8 0 pkpcb 40 17 0 17 4 3 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 75 0 75 2 1 1 1 0 8 1 pppxif 1504 10 0 10 2 1 1 1 0 8 1 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pffrag 232 18 0 7 1 0 1 1 0 482 0 pffrnode 88 11 0 2 1 0 1 1 0 8 0 pffrent 40 31 0 20 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 96 0 23 1 0 1 1 0 8 0 pfstkey 128 99 0 26 3 0 3 3 0 8 0 pfstate 384 96 0 25 8 0 8 8 0 8 0 pfrule 1344 33 0 27 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 596 0 154 32 3 29 29 0 8 1 art_table 40 599 0 154 5 0 5 5 0 8 0 art_node 32 137 0 59 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 47 0 37 1 0 1 1 0 8 0 shmpl 112 98 0 7 3 0 3 3 0 8 0 dirhash 1024 60 0 41 3 0 3 3 0 8 0 dino2pl 256 4744 0 3234 95 0 95 95 0 8 0 ffsino 296 4744 0 3234 117 0 117 117 0 8 0 nchpl 144 7089 0 5392 64 0 64 64 0 8 0 rtmask 32 16 0 16 5 4 1 1 0 8 1 uvmvnodes 80 5730 0 0 117 0 117 117 0 8 0 vnodes 216 5730 0 0 319 0 319 319 0 8 0 namei 1024 24453 0 24452 3 2 1 2 0 8 0 percpumem 16 143 0 94 1 0 1 1 0 8 0 kstatmem 264 142 0 116 5 2 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 7 0 7 3 3 0 1 0 8 0 scxspl 216 38039 0 38037 13 10 3 8 1 8 2 plimitpl 152 509 0 492 1 0 1 1 0 8 0 sigapl 424 2071 0 1997 9 0 9 9 0 8 0 knotepl 120 356 0 0 10 0 10 10 0 8 0 kqueuepl 224 583 0 570 6 1 5 5 0 8 4 pipepl 344 257 0 230 3 0 3 3 0 8 0 fdescpl 528 2023 0 1992 3 0 3 3 0 8 0 filepl 160 13087 0 12863 26 10 16 16 0 8 4 lockfpl 104 805 0 802 2 0 2 2 0 8 1 lockfspl 48 322 0 319 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 65 0 48 1 0 1 1 0 8 0 ucredpl 104 2083 0 2069 1 0 1 1 0 8 0 zombiepl 144 2349 0 2345 1 0 1 1 0 8 0 processpl 1248 2071 0 1997 6 0 6 6 0 8 0 procpl 664 4922 0 4840 9 1 8 9 0 8 0 sosppl 168 9 0 9 3 2 1 1 0 8 1 sockpl 752 3570 0 3540 27 16 11 14 0 8 7 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 126 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 40 0 0 5 0 5 5 0 8 0 mtagpl 96 40 0 0 1 0 1 1 0 8 0 mbufpl 256 1206 0 0 74 0 74 74 0 8 0 bufpl 280 14426 0 8283 439 0 439 439 0 8 0 anonpl 32 10653 0 0 86 0 86 86 0 246 0 amapchunkpl 152 61114 0 60545 57 28 29 38 0 158 6 amappl16 200 6786 0 6751 44 29 15 25 0 8 5 amappl15 192 3 0 3 2 2 0 1 0 8 0 amappl14 184 119 0 106 1 0 1 1 0 8 0 amappl13 176 9 0 9 2 2 0 1 0 8 0 amappl12 168 2687 0 2656 4 2 2 3 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 46 0 44 1 0 1 1 0 8 0 amappl7 128 114 0 100 1 0 1 1 0 8 0 amappl6 120 194 0 190 1 0 1 1 0 8 0 amappl5 112 132 0 122 1 0 1 1 0 8 0 amappl4 104 316 0 297 1 0 1 1 0 8 0 amappl3 96 12189 0 12073 5 1 4 4 0 8 0 amappl2 88 668 0 606 2 0 2 2 0 8 0 amappl1 80 15259 0 14652 16 1 15 15 0 8 0 amappl 88 16964 0 16788 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma16384 16384 1 0 1 1 1 0 1 0 8 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 128 257 0 257 4 4 0 1 0 8 0 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 100 0 7 2 0 2 2 0 8 0 uaddrrnd 24 2023 0 1992 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2023 0 1992 1 0 1 1 0 8 0 vmmpekpl 168 17389 0 17342 3 0 3 3 0 8 0 vmmpepl 168 130552 0 128545 120 16 104 108 0 357 7 vmsppl 488 2022 0 1992 6 1 5 5 0 8 0 rwobjpl 80 40488 0 33717 139 0 139 139 0 8 0 pdppl 4096 4054 0 3984 114 41 73 86 0 8 3 pvpl 32 18934 0 0 153 0 153 153 0 265 0 pmappl 256 2022 0 1992 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 377 0 60 10 0 10 10 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(ffffffff833364cb) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838cdcb0) at mtx_enter_try+0x1da mtx_enter(ffffffff838cdcb0) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd8007fbdff0) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007fbdff0) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007fbdff0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805f1b2d60,0,ffff80003c47e9c8,ffff80003c47e9ac,0,1,186aa32fb96ca151,1) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c47ebe0,ffff80003c47ec18,ffff80003c47ea60,ffff80003c47ea48) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c47ebe0,ffff80003c47ec18,ffff80003c47eb60) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd800b0271e8,200000000000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003c47ed90,200000000280) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 kerntrap(ffff80003c47ed90) at kerntrap+0x198 sys/arch/amd64/amd64/trap.c:491 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff80003c47efd0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c47efd0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72ca2809740, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 msleep_nsec(fffffd800b027218,fffffd800b027350,4,ffffffff834c6900,ffffffffffffffff) at msleep_nsec+0x1b5 sys/kern/kern_synch.c:202 vm_map_lock_ln(fffffd800b0271e8,fffffd805deb4560,0) at vm_map_lock_ln+0xc4 sys/uvm/uvm_map.c:5161 uvm_mapanon(fffffd800b0271e8,ffff80003c467658,21000,1000,2080713) at uvm_mapanon+0x28f sys/uvm/uvm_map.c:-1 uvm_mmapanon(fffffd800b0271e8,ffff80003c467658,21000,3,7,5002,9af90effce76e7d0,fffffd800b0271e8) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1029 sys_mmap(ffff80003700b4e0,ffff80003c4677c0,ffff80003c467710) at sys_mmap+0xa90 sys/uvm/uvm_mmap.c:426 syscall(ffff80003c4677c0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4677c0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x736ecc992390, count: 5 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 msleep_nsec(fffffd800b027218,fffffd800b027350,4,ffffffff834c6900,ffffffffffffffff) at msleep_nsec+0x1b5 sys/kern/kern_synch.c:202 vm_map_lock_ln(fffffd800b0271e8,fffffd805deb4560,0) at vm_map_lock_ln+0xc4 sys/uvm/uvm_map.c:5161 uvm_mapanon(fffffd800b0271e8,ffff80003c467658,21000,1000,2080713) at uvm_mapanon+0x28f sys/uvm/uvm_map.c:-1 uvm_mmapanon(fffffd800b0271e8,ffff80003c467658,21000,3,7,5002,9af90effce76e7d0,fffffd800b0271e8) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1029 sys_mmap(ffff80003700b4e0,ffff80003c4677c0,ffff80003c467710) at sys_mmap+0xa90 sys/uvm/uvm_mmap.c:426 syscall(ffff80003c4677c0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4677c0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x736ecc992390, count: -10