panic: mtx 0xffffffff838f1db8: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *411329 17943 32767 0x10 0x4000000 1 syz-executor 95169 86276 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f7d79) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838f1db8) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff838f1db8) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800850f3d0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800850f3d0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800850f3d0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8066352398,0,ffff80003882cb38,ffff80003882cb1c,0,2,df95b74da4bb6d89,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003882cd50,ffff80003882cd88,ffff80003882cbd0,ffff80003882cbb8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003882cd50,ffff80003882cd88,ffff80003882ccd0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8073be4028,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003882cf00,200000000000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:283 kerntrap(ffff80003882cf00) at kerntrap+0x13c sys/arch/amd64/amd64/trap.c:491 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 end trace frame: 0xffff80003882d110, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: mtx 0xffffffff838f1db8: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f7d79) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838f1db8) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff838f1db8) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800850f3d0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800850f3d0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800850f3d0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8066352398,0,ffff80003882cb38,ffff80003882cb1c,0,2,df95b74da4bb6d89,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003882cd50,ffff80003882cd88,ffff80003882cbd0,ffff80003882cbb8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003882cd50,ffff80003882cd88,ffff80003882ccd0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8073be4028,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003882cf00,200000000000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:283 kerntrap(ffff80003882cf00) at kerntrap+0x13c sys/arch/amd64/amd64/trap.c:491 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 syscall(ffff80003882d120) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003882d120) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x676abe09bf0, count: -16 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003882c870 rbx 0xffff8000299deddf rdx 0 rcx 0xffff800037416f90 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xec0ddb80969c0124 r11 0x675f0d6b9b092ad6 r12 0xffff8000299debe0 r13 0 r14 0 r15 0x1 rip 0xffffffff817733f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003882c860 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=411329 pid=17943 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800037416a70,0xffffffff839b4628 process=0xffff80003c464030 user=0xffff800038828000, vmspace=0xfffffd8073be4028 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 17943 408525 20806 32767 3 0x10 fltagain2 syz-executor 17943 211916 20806 32767 3 0x4000010 uobjlk syz-executor 17943 317285 20806 32767 3 0x4000010 biowait syz-executor *17943 411329 20806 32767 7 0x4000010 syz-executor 27777 244299 91268 32767 3 0x90 nanoslp syz-executor 27777 290029 91268 32767 3 0x4000090 lockf syz-executor 27777 329301 91268 32767 3 0x4000090 fsleep syz-executor 54410 378333 79637 32767 3 0x90 nanoslp syz-executor 54410 196296 79637 32767 3 0x4000090 sbwait syz-executor 54410 19906 79637 32767 3 0x4000090 fsleep syz-executor 54410 49256 79637 32767 3 0x4000090 fsleep syz-executor 61790 423648 93051 32767 3 0x90 nanoslp syz-executor 61790 436194 93051 32767 3 0x4000090 kqread syz-executor 61790 75165 93051 32767 3 0x4000090 kqread syz-executor 61790 25390 93051 32767 3 0x4000090 fsleep syz-executor 74329 305558 0 0 3 0x14200 bored sosplice 79637 31628 30818 32767 3 0x90 nanoslp syz-executor 91268 311863 42473 32767 3 0x90 nanoslp syz-executor 48237 142947 23336 32767 3 0x90 nanoslp syz-executor 93051 19261 70527 32767 3 0x90 nanoslp syz-executor 20806 153171 76840 32767 3 0x90 nanoslp syz-executor 23552 82315 63320 32767 3 0x90 nanoslp syz-executor 86276 95169 38021 32767 7 0x10 syz-executor 42473 3205 57577 0 3 0x82 wait syz-executor 30818 70542 57577 0 3 0x82 wait syz-executor 23336 216674 57577 0 3 0x82 wait syz-executor 70527 355920 57577 0 3 0x82 wait syz-executor 76840 96080 57577 0 3 0x82 wait syz-executor 63320 251111 57577 0 3 0x82 wait syz-executor 66114 218006 57577 0 3 0x82 wait syz-executor 38021 498512 57577 0 3 0x82 wait syz-executor 57577 198467 17999 0 3 0x82 kqread syz-executor 17999 494401 48043 0 3 0x10008a sigsusp ksh 48043 431618 62869 0 3 0x98 kqread sshd-session 62869 360814 5616 0 3 0x92 kqread sshd-session 57444 191232 1 0 3 0x100083 ttyin getty 5616 257990 1 0 3 0x88 kqread sshd 92344 452795 87606 73 3 0x1100090 kqread syslogd 87606 163365 1 0 3 0x100082 sbwait syslogd 12446 21109 1 0 3 0x100080 kqread resolvd 56440 191194 78527 77 3 0x100092 kqread dhcpleased 4380 219410 78527 77 3 0x100092 kqread dhcpleased 78527 3553 1 0 3 0x80 kqread dhcpleased 88663 495587 0 0 3 0x14200 bored smr 74723 282534 0 0 3 0x14200 pgzero zerothread 43463 365015 0 0 3 0x14200 aiodoned aiodoned 58075 389524 0 0 3 0x14200 syncer update 21123 330639 0 0 3 0x14200 cleaner cleaner 63278 435946 0 0 3 0x14200 reaper reaper 90592 495096 0 0 3 0x14200 pgdaemon pagedaemon 4483 91726 0 0 3 0x14200 bored viomb 73391 309272 0 0 3 0x40014200 acpi0 acpi0 73095 143017 0 0 3 0x40014200 idle1 64358 175306 0 0 3 0x14200 bored softnet7 87597 467955 0 0 3 0x14200 bored softnet6 32708 488605 0 0 3 0x14200 bored softnet5 19724 350304 0 0 3 0x14200 bored softnet4 58182 203228 0 0 3 0x14200 bored softnet3 84142 149450 0 0 3 0x14200 bored softnet2 95522 308631 0 0 3 0x14200 bored softnet1 31584 472648 0 0 2 0x14200 softnet0 94150 478244 0 0 3 0x14200 bored systqmp 68260 496212 0 0 3 0x14200 bored systq 99049 21112 0 0 3 0x14200 tmoslp softclockmp 3808 227819 0 0 3 0x40014200 tmoslp softclock 9599 221238 0 0 3 0x40014200 idle0 1 23917 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 (0xffffffff838f1dc8) #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 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:283 #8 kerntrap+0x13c sys/arch/amd64/amd64/trap.c:491 #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:748 #12 Xsyscall+0x128 Process 17943 (syz-executor) thread 0xffff8000374179d0 (211916) exclusive rwlock vmmaplk r = 0 (0xfffffd8073be4128) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_map_clean+0x11b sys/uvm/uvm_map.c:4366 #4 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8398bbe0) #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 17943 (syz-executor) thread 0xffff800037416a70 (317285) exclusive rrwlock inode r = 0 (0xfffffd806a086c68) #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 17943 (syz-executor) thread 0xffff800037416f90 (411329) exclusive rwlock uobjlk r = 0 (0xfffffd805c89ba48) #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 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:283 #8 kerntrap+0x13c sys/arch/amd64/amd64/trap.c:491 #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:748 #12 Xsyscall+0x128 exclusive rwlock fdlock r = 0 (0xffff80002a2d4cd0) #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 dopipe+0x121 sys/kern/sys_pipe.c:-1 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 #4 Xsyscall+0x128 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838f1dc8) #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 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:283 #8 kerntrap+0x13c sys/arch/amd64/amd64/trap.c:491 #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:748 #12 Xsyscall+0x128 Process 86276 (syz-executor) thread 0xffff8000ffff3200 (95169) exclusive rrwlock inode r = 0 (0xfffffd806a086200) #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 (0xfffffd806c20bd80) #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 10201 10957K 10968K 166960K 11279 0 pcb 17 12K 12K 166960K 17 0 rtable 217 6K 6K 166960K 276 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 9K 166960K 6 0 counters 68 36K 36K 166960K 68 0 ioctlops 0 0K 2K 166960K 34 0 iov 0 0K 13K 166960K 21 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1335 84K 84K 166960K 1391 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 24 89K 117K 166960K 402 0 sigio 0 0K 0K 166960K 12 0 proc 58 99K 147K 166960K 520 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 40 0 in_multi 99 7K 7K 166960K 117 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 374 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 263 177K 191K 166960K 5185 0 UVM aobj 10 2K 2K 166960K 12 0 pinsyscall 45 90K 110K 166960K 1399 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 22 0 NDP 11 0K 1K 166960K 27 0 temp 46 8676K 8740K 166960K 4832 0 kqueue 15 22K 30K 166960K 60 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 51 0 48 1 0 1 1 0 8 0 rtentry 176 104 0 4 5 0 5 5 0 8 0 unpcb 144 247 0 226 4 0 4 4 0 8 3 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 111 0 104 2 0 2 2 0 8 1 arp 128 12 0 0 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 328 406 0 390 4 0 4 4 0 8 2 ip6q 72 2 0 1 1 0 1 1 0 8 0 ip6af 40 3 0 2 1 0 1 1 0 8 0 nd6 144 23 0 3 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 256 478 0 19 30 0 30 30 0 8 0 art_table 40 479 0 19 5 0 5 5 0 8 0 art_node 32 104 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 112 18 0 8 1 0 1 1 0 8 0 shmpl 112 9 0 2 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 1951 0 440 95 0 95 95 0 8 0 ffsino 296 1951 0 440 117 0 117 117 0 8 0 nchpl 144 2524 0 844 63 0 63 63 0 8 0 uvmvnodes 80 2032 0 0 42 0 42 42 0 8 0 vnodes 216 2032 0 0 113 0 113 113 0 8 0 namei 1024 7804 0 7803 3 1 2 2 0 8 1 percpumem 16 49 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 8175 0 8173 3 2 1 2 1 8 0 plimitpl 152 79 0 54 2 0 2 2 0 8 0 sigapl 424 678 0 619 8 0 8 8 0 8 0 knotepl 120 776 0 0 24 0 24 24 0 8 0 kqueuepl 224 296 0 285 7 0 7 7 0 8 6 pipepl 344 192 0 164 10 1 9 9 0 8 6 fdescpl 528 655 0 619 3 0 3 3 0 8 0 filepl 160 3361 0 3137 19 1 18 19 0 8 8 lockfpl 104 91 0 86 1 0 1 1 0 8 0 lockfspl 48 32 0 28 1 0 1 1 0 8 0 sessionpl 144 22 0 6 1 0 1 1 0 8 0 pgrppl 48 34 0 10 1 0 1 1 0 8 0 ucredpl 104 562 0 543 1 0 1 1 0 8 0 zombiepl 144 622 0 619 2 1 1 1 0 8 0 processpl 1248 678 0 619 7 1 6 6 0 8 0 procpl 656 1110 0 1040 7 0 7 7 0 8 0 sosppl 168 22 0 22 1 0 1 1 0 8 1 sockpl 752 709 0 669 11 0 11 11 0 8 6 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 118 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 299 0 0 19 0 19 19 0 8 0 bufpl 280 3104 0 112 214 0 214 214 0 8 0 anonpl 32 7500 0 0 61 0 61 61 0 246 0 amapchunkpl 152 16754 0 16188 34 4 30 30 0 158 6 amappl16 200 2985 0 2963 20 7 13 14 0 8 8 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 105 0 95 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1248 0 1212 2 0 2 2 0 8 0 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 244 0 244 1 1 0 1 0 8 0 amappl8 136 26 0 25 1 0 1 1 0 8 0 amappl7 128 93 0 83 1 0 1 1 0 8 0 amappl6 120 170 0 167 2 1 1 1 0 8 0 amappl5 112 113 0 105 1 0 1 1 0 8 0 amappl4 104 267 0 252 1 0 1 1 0 8 0 amappl3 96 2939 0 2809 4 0 4 4 0 8 0 amappl2 88 637 0 581 2 0 2 2 0 8 0 amappl1 80 9023 0 8450 14 0 14 14 0 8 0 amappl 88 4527 0 4332 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 11 0 2 1 0 1 1 0 8 0 uaddrrnd 24 655 0 619 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 655 0 619 1 0 1 1 0 8 0 vmmpekpl 168 6924 0 6885 3 0 3 3 0 8 1 vmmpepl 168 47549 0 45465 110 4 106 106 0 357 6 vmsppl 488 654 0 619 7 1 6 6 0 8 1 rwobjpl 80 17790 0 14897 66 2 64 64 0 8 2 pdppl 4096 1318 0 1238 110 26 84 94 0 8 4 pvpl 32 15201 0 0 123 0 123 123 0 265 0 pmappl 256 654 0 619 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 293 0 31 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837eeff0) 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(ffffffff8398b9d8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398b9d8) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80002e7e51c0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8398b9d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398b9d8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff8398b9d8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2da sys/kern/kern_synch.c:366 biowait(fffffd806d6cc020) at biowait+0xc1 sys/kern/vfs_bio.c:1242 bwrite(fffffd806d6cc020) at bwrite+0x2e5 sys/kern/vfs_bio.c:754 VOP_BWRITE(fffffd806d6cc020) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:651 ufs_direnter(fffffd806d22e1e0,fffffd8066f51a60,ffff80002e7e5520,ffff80002e7e5840,fffffd806644e030) at ufs_direnter+0x7d1 sys/ufs/ufs/ufs_lookup.c:833 ufs_mkdir(ffff80002e7e56b0) at ufs_mkdir+0x60f sys/ufs/ufs/ufs_vnops.c:1179 end trace frame: 0xffff80002e7e5720, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837eeff0) 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(ffffffff8398b9d8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398b9d8) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80002e7e51c0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8398b9d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398b9d8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff8398b9d8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2da sys/kern/kern_synch.c:366 biowait(fffffd806d6cc020) at biowait+0xc1 sys/kern/vfs_bio.c:1242 bwrite(fffffd806d6cc020) at bwrite+0x2e5 sys/kern/vfs_bio.c:754 VOP_BWRITE(fffffd806d6cc020) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:651 ufs_direnter(fffffd806d22e1e0,fffffd8066f51a60,ffff80002e7e5520,ffff80002e7e5840,fffffd806644e030) at ufs_direnter+0x7d1 sys/ufs/ufs/ufs_lookup.c:833 ufs_mkdir(ffff80002e7e56b0) at ufs_mkdir+0x60f sys/ufs/ufs/ufs_vnops.c:1179 VOP_MKDIR(fffffd806d22e1e0,ffff80002e7e5810,ffff80002e7e5840,ffff80002e7e5740) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff8000ffff3200,ffffff9c,71c581b58f20,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 syscall(ffff80002e7e59c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002e7e59c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71c581b58fc0, count: -18 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(ffffffff833f7d79) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838f1db8) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff838f1db8) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800850f3d0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800850f3d0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800850f3d0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8066352398,0,ffff80003882cb38,ffff80003882cb1c,0,2,df95b74da4bb6d89,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003882cd50,ffff80003882cd88,ffff80003882cbd0,ffff80003882cbb8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003882cd50,ffff80003882cd88,ffff80003882ccd0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8073be4028,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003882cf00,200000000000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:283 kerntrap(ffff80003882cf00) at kerntrap+0x13c sys/arch/amd64/amd64/trap.c:491 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 end trace frame: 0xffff80003882d110, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f7d79) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838f1db8) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff838f1db8) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd800850f3d0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800850f3d0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800850f3d0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8066352398,0,ffff80003882cb38,ffff80003882cb1c,0,2,df95b74da4bb6d89,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003882cd50,ffff80003882cd88,ffff80003882cbd0,ffff80003882cbb8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003882cd50,ffff80003882cd88,ffff80003882ccd0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8073be4028,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003882cf00,200000000000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:283 kerntrap(ffff80003882cf00) at kerntrap+0x13c sys/arch/amd64/amd64/trap.c:491 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 syscall(ffff80003882d120) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003882d120) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x676abe09bf0, count: -16