panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 353900 31388 0 0x8000002 0 0 syz-executor *203570 84909 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8306f187) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff834feb50,1,0) at witness_checkorder+0x1197 witness_debugger sys/kern/subr_witness.c:2518 [inline] witness_checkorder(ffffffff834feb50,1,0) at witness_checkorder+0x1197 sys/kern/subr_witness.c:780 rw_enter_read(ffffffff834feb40) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff800029fe4db0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800029fe4db0,ffff800029fe4de8,ffff800029fe4e10) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff834fea60,7f8677550000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800029fe4f50,7f8677550e80) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800029fe4f50) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pmap_page_remove(fffffd8007b988c0) at pmap_page_remove+0x45d _atomic_swap_64 machine/atomic.h:117 [inline] pmap_page_remove(fffffd8007b988c0) at pmap_page_remove+0x45d sys/arch/amd64/amd64/pmap.c:2005 uvm_anfree_list(fffffd805817ff30,0) at uvm_anfree_list+0xd6 amap_wipeout(fffffd8075174428) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff800029fe5180,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 end trace frame: 0xffff800029fe51c0, 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: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8306f187) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff834feb50,1,0) at witness_checkorder+0x1197 witness_debugger sys/kern/subr_witness.c:2518 [inline] witness_checkorder(ffffffff834feb50,1,0) at witness_checkorder+0x1197 sys/kern/subr_witness.c:780 rw_enter_read(ffffffff834feb40) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff800029fe4db0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800029fe4db0,ffff800029fe4de8,ffff800029fe4e10) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff834fea60,7f8677550000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800029fe4f50,7f8677550e80) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800029fe4f50) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pmap_page_remove(fffffd8007b988c0) at pmap_page_remove+0x45d _atomic_swap_64 machine/atomic.h:117 [inline] pmap_page_remove(fffffd8007b988c0) at pmap_page_remove+0x45d sys/arch/amd64/amd64/pmap.c:2005 uvm_anfree_list(fffffd805817ff30,0) at uvm_anfree_list+0xd6 amap_wipeout(fffffd8075174428) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff800029fe5180,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd806bdafdc8) at uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 uvmspace_free(fffffd806bdafdc8) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 reaper(ffff800029fd8518) at reaper+0x246 sys/kern/kern_exit.c:481 end trace frame: 0x0, count: -17 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800029fe4a10 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff800029fd8518 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x54bae14221891f0b r11 0xc3454dfe580fec25 r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff828743b5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800029fe4a00 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (reaper) tid=203570 pid=84909 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fd91c0,0xffff800029fd8018 process=0xffff800029febaf0 user=0xffff800029fe0000, vmspace=0xffffffff834fea60 estcpu=36, cpticks=68, pctcpu=24.39, user=0, sys=6114, intr=38 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 65380 373875 28703 0 2 0x8000000 syz-executor 19114 203265 28703 0 3 0x8000082 wait syz-executor 72182 141318 28703 0 3 0x8000082 piperd syz-executor 31388 353900 28703 0 7 0x8000002 syz-executor 48434 375648 28703 0 3 0x8000082 piperd syz-executor 80203 381462 28703 0 3 0x8000082 piperd syz-executor 49231 184517 28703 0 3 0x8000082 piperd syz-executor 27978 146941 28703 0 3 0x8000082 piperd syz-executor 92780 251436 0 0 3 0x14200 bored sosplice 28703 130187 86663 0 2 0x8000002 syz-executor 86663 189339 39926 0 3 0x810008a sigsusp ksh 39926 406037 11511 0 3 0x18000098 kqread sshd-session 11511 505389 19384 0 3 0x18000092 kqread sshd-session 15985 369179 1 0 3 0x18100083 ttyopn getty 19384 317102 1 0 3 0x18000088 kqread sshd 40816 82123 60084 74 3 0x19100092 bpf pflogd 60084 49923 1 0 3 0x18000080 sbwait pflogd 8373 241005 67663 73 2 0x19100010 syslogd 67663 303004 1 0 3 0x18100082 sbwait syslogd 59224 211757 1 0 3 0x18100080 kqread resolvd 51838 257393 11563 77 3 0x18100092 kqread dhcpleased 38530 220416 11563 77 3 0x18100092 kqread dhcpleased 11563 156031 1 0 3 0x18000080 kqread dhcpleased 10109 281009 0 0 3 0x14200 bored smr 85932 107034 0 0 2 0x14200 zerothread 90742 314462 0 0 3 0x14200 aiodoned aiodoned 60170 485767 0 0 3 0x14200 syncer update 53908 322632 0 0 3 0x14200 cleaner cleaner *84909 203570 0 0 7 0x14200 reaper 61419 475090 0 0 3 0x14200 pgdaemon pagedaemon 84196 198709 0 0 3 0x14200 bored viomb 63635 406063 0 0 3 0x40014200 acpi0 acpi0 65465 88029 0 0 3 0x40014200 idle1 23255 514034 0 0 3 0x14200 bored softnet3 42136 24582 0 0 3 0x14200 bored softnet2 46398 493606 0 0 3 0x14200 bored softnet1 9245 374546 0 0 3 0x14200 bored softnet0 60998 90471 0 0 3 0x14200 bored systqmp 59756 447933 0 0 3 0x14200 bored systq 84559 270754 0 0 3 0x14200 tmoslp softclockmp 46823 263238 0 0 3 0x40014200 tmoslp softclock 55344 348800 0 0 3 0x40014200 idle0 1 298449 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806be424f8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pmap_page_remove+0xcd rcr3 machine/cpufunc.h:139 [inline] #3 pmap_page_remove+0xcd pmap_map_ptes sys/arch/amd64/amd64/pmap.c:430 [inline] #3 pmap_page_remove+0xcd sys/arch/amd64/amd64/pmap.c:1965 #4 uvm_anfree_list+0xd6 #5 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #7 uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 #8 uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 #9 reaper+0x246 sys/kern/kern_exit.c:481 #10 proc_trampoline+0x10 Process 31388 (syz-executor) thread 0xffff800033d99468 (353900) exclusive rrwlock inode r = 0 (0xfffffd80676fbc48) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:120 #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:3100 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806bafea38) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #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:3085 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 28703 (syz-executor) thread 0xffff800029fd9958 (130187) exclusive rwlock vmmaplk r = 0 (0xfffffd806bdaf0f8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3822 #4 process_new+0x565 sys/kern/kern_fork.c:281 #5 fork1+0x3ee sys/kern/kern_fork.c:404 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd807ec670f0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3813 #4 process_new+0x565 sys/kern/kern_fork.c:281 #5 fork1+0x3ee sys/kern/kern_fork.c:404 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff834f65c0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #1 syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 8373 (syslogd) thread 0xffff8000ffffdbe8 (241005) exclusive rrwlock inode r = 0 (0xfffffd806e4964e0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 84909 (reaper) thread 0xffff800029fd8518 (203570) exclusive rwlock amaplk r = 0 (0xfffffd8071c249b0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 amap_unref+0x38 sys/uvm/uvm_amap.c:1360 #2 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #3 uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 #4 uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 #5 reaper+0x246 sys/kern/kern_exit.c:481 #6 proc_trampoline+0x10 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806be424f8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pmap_page_remove+0xcd rcr3 machine/cpufunc.h:139 [inline] #3 pmap_page_remove+0xcd pmap_map_ptes sys/arch/amd64/amd64/pmap.c:430 [inline] #3 pmap_page_remove+0xcd sys/arch/amd64/amd64/pmap.c:1965 #4 uvm_anfree_list+0xd6 #5 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #7 uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 #8 uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 #9 reaper+0x246 sys/kern/kern_exit.c:481 #10 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10208 10164K 10549K 166960K 12030 0 pcb 17 14K 16K 166960K 223 0 rtable 189 14K 16K 166960K 799 0 pf 31 17K 25K 166960K 110 0 ifaddr 36 6K 7K 166960K 105 0 ifgroup 47 2K 2K 166960K 121 0 sysctl 2 0K 0K 166960K 2 0 counters 60 35K 36K 166960K 98 0 ioctlops 0 0K 4K 166960K 1638 0 iov 0 0K 16K 166960K 28 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1427 90K 91K 166960K 2123 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 80 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 10 30K 93K 166960K 728 0 sigio 0 0K 0K 166960K 11 0 proc 70 91K 128K 166960K 925 0 subproc 91 5K 6K 166960K 286 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 85 0 in_multi 77 5K 7K 166960K 259 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 211 943K 943K 166960K 211 0 exec 0 0K 1K 166960K 647 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 181 71K 98K 166960K 7595 0 UVM aobj 131 6K 6K 166960K 132 0 pinsyscall 35 70K 102K 166960K 2139 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 32 0 NDP 10 0K 2K 166960K 71 0 temp 76 6824K 6892K 166960K 39454 0 kqueue 13 20K 29K 166960K 103 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 95 0 92 1 0 1 1 0 8 0 rtentry 112 266 0 184 4 1 3 4 0 8 0 unpcb 144 500 0 483 4 3 1 4 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 194 0 190 8 7 1 8 0 8 0 arp 120 44 0 30 1 0 1 1 0 8 0 inpcb 336 774 0 767 13 12 1 7 0 8 0 nd6 136 68 0 50 2 1 1 2 0 8 0 pkpcb 40 7 0 7 2 2 0 1 0 8 0 kcovpl 48 22 0 15 1 0 1 1 0 8 0 ppxss 1168 2 0 2 1 1 0 1 0 8 0 pffrag 232 9 0 8 1 0 1 1 0 482 0 pffrnode 88 8 0 7 1 0 1 1 0 8 0 pffrent 40 13 0 12 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 4 0 2 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 3 0 2 2 1 1 1 0 8 0 pfqueue 264 1 0 1 1 1 0 1 0 8 0 pfstitem 24 19 0 14 1 0 1 1 0 8 0 pfstkey 128 19 0 14 1 0 1 1 0 8 0 pfstate 376 19 0 14 2 1 1 2 0 8 0 pfrule 1344 31 0 22 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1074 0 717 32 4 28 29 0 8 0 art_table 32 1076 0 717 4 0 4 4 0 8 0 art_node 16 263 0 192 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 78 0 68 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2329 0 807 96 0 96 96 0 8 0 ffsino 272 2329 0 807 103 0 103 103 0 8 0 nchpl 144 3107 0 1413 64 0 64 64 0 8 0 uvmvnodes 80 3062 0 0 63 0 63 63 0 8 0 vnodes 216 3062 0 0 171 0 171 171 0 8 0 namei 1024 12290 0 12289 4 3 1 2 0 8 0 percpumem 16 63 0 19 1 0 1 1 0 8 0 vcpupl 3904 1 0 0 1 0 1 1 0 8 0 vmpool 696 1 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 58 0 38 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 16441 0 16441 9 8 1 8 1 8 1 plimitpl 152 187 0 170 1 0 1 1 0 8 0 sigapl 424 1000 0 955 9 2 7 7 0 8 0 futexpl 64 7171 0 7171 3 3 0 1 0 8 0 knotepl 120 814 0 0 25 0 25 25 0 8 0 kqueuepl 216 167 0 158 1 0 1 1 0 8 0 pipepl 320 252 0 222 3 0 3 3 0 8 0 fdescpl 496 980 0 956 6 1 5 5 0 8 1 filepl 152 5879 0 5652 22 11 11 20 0 8 0 lockfpl 104 333 0 331 2 1 1 2 0 8 0 lockfspl 48 93 0 91 1 0 1 1 0 8 0 sessionpl 144 36 0 27 1 0 1 1 0 8 0 pgrppl 48 64 0 47 1 0 1 1 0 8 0 ucredpl 104 691 0 678 1 0 1 1 0 8 0 zombiepl 144 957 0 955 1 0 1 1 0 8 0 processpl 1160 1000 0 955 5 1 4 5 0 8 0 procpl 648 1701 0 1656 8 2 6 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 664 1412 0 1385 15 12 3 9 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 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 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 247 0 0 31 0 31 31 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 326 0 0 18 0 18 18 0 8 0 bufpl 280 7701 0 1529 442 0 442 442 0 8 0 anonpl 24 222147 0 219129 81 3 78 80 0 185 42 amapchunkpl 152 25618 0 25292 44 5 39 41 0 158 17 amappl16 200 4631 0 4616 19 17 2 14 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 166 0 154 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 1829 0 1805 3 1 2 2 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 146 0 146 1 1 0 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 131 0 119 1 0 1 1 0 8 0 amappl6 120 298 0 296 1 0 1 1 0 8 0 amappl5 112 205 0 193 1 0 1 1 0 8 0 amappl4 104 391 0 374 1 0 1 1 0 8 0 amappl3 96 4849 0 4773 5 1 4 4 0 8 0 amappl2 88 809 0 743 2 0 2 2 0 8 0 amappl1 80 10298 0 9732 15 1 14 14 0 8 0 amappl 88 7102 0 6983 6 1 5 5 0 92 0 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 dma512 512 1 0 1 1 1 0 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 981 0 955 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 981 0 955 1 0 1 1 0 8 0 vmmpekpl 168 9839 0 9785 3 0 3 3 0 8 0 vmmpepl 168 67731 0 66157 99 16 83 96 0 357 1 vmsppl 440 980 0 954 6 2 4 5 0 8 0 rwobjpl 56 25483 0 21408 59 0 59 59 0 8 0 pdppl 4096 1969 0 1909 118 52 66 85 0 8 6 pvpl 32 45014 0 0 363 0 363 363 0 265 0 pmappl 248 980 0 954 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 439 0 84 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83450ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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+0x1a kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:158 __mp_lock(ffffffff834f63b8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834f63b8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc __mp_acquire_count(ffffffff834f63b8,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 biowait(fffffd805a3108d8) at biowait+0xc1 sys/kern/vfs_bio.c:1254 bwrite(fffffd805a3108d8) at bwrite+0x2e2 sys/kern/vfs_bio.c:766 VOP_BWRITE(fffffd805a3108d8) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 end trace frame: 0xffff8000347af340, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83450ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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+0x1a kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:158 __mp_lock(ffffffff834f63b8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834f63b8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc __mp_acquire_count(ffffffff834f63b8,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 biowait(fffffd805a3108d8) at biowait+0xc1 sys/kern/vfs_bio.c:1254 bwrite(fffffd805a3108d8) at bwrite+0x2e2 sys/kern/vfs_bio.c:766 VOP_BWRITE(fffffd805a3108d8) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:646 ufs_direnter(fffffd80708bc2b8,fffffd807dc62b00,ffff8000347af350,ffff8000347af670,fffffd805faf7e60) at ufs_direnter+0x7d1 sys/ufs/ufs/ufs_lookup.c:833 ufs_mkdir(ffff8000347af4e0) at ufs_mkdir+0x60f sys/ufs/ufs/ufs_vnops.c:1179 VOP_MKDIR(fffffd80708bc2b8,ffff8000347af640,ffff8000347af670,ffff8000347af570) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff800033d99468,ffffff9c,73307a798920,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3100 syscall(ffff8000347af7f0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000347af7f0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73307a7989b0, count: -20 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:437 panic(ffffffff8306f187) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff834feb50,1,0) at witness_checkorder+0x1197 witness_debugger sys/kern/subr_witness.c:2518 [inline] witness_checkorder(ffffffff834feb50,1,0) at witness_checkorder+0x1197 sys/kern/subr_witness.c:780 rw_enter_read(ffffffff834feb40) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff800029fe4db0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800029fe4db0,ffff800029fe4de8,ffff800029fe4e10) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff834fea60,7f8677550000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800029fe4f50,7f8677550e80) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800029fe4f50) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pmap_page_remove(fffffd8007b988c0) at pmap_page_remove+0x45d _atomic_swap_64 machine/atomic.h:117 [inline] pmap_page_remove(fffffd8007b988c0) at pmap_page_remove+0x45d sys/arch/amd64/amd64/pmap.c:2005 uvm_anfree_list(fffffd805817ff30,0) at uvm_anfree_list+0xd6 amap_wipeout(fffffd8075174428) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff800029fe5180,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 end trace frame: 0xffff800029fe51c0, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8306f187) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff834feb50,1,0) at witness_checkorder+0x1197 witness_debugger sys/kern/subr_witness.c:2518 [inline] witness_checkorder(ffffffff834feb50,1,0) at witness_checkorder+0x1197 sys/kern/subr_witness.c:780 rw_enter_read(ffffffff834feb40) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff800029fe4db0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800029fe4db0,ffff800029fe4de8,ffff800029fe4e10) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff834fea60,7f8677550000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800029fe4f50,7f8677550e80) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800029fe4f50) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pmap_page_remove(fffffd8007b988c0) at pmap_page_remove+0x45d _atomic_swap_64 machine/atomic.h:117 [inline] pmap_page_remove(fffffd8007b988c0) at pmap_page_remove+0x45d sys/arch/amd64/amd64/pmap.c:2005 uvm_anfree_list(fffffd805817ff30,0) at uvm_anfree_list+0xd6 amap_wipeout(fffffd8075174428) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff800029fe5180,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd806bdafdc8) at uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 uvmspace_free(fffffd806bdafdc8) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 reaper(ffff800029fd8518) at reaper+0x246 sys/kern/kern_exit.c:481 end trace frame: 0x0, count: -17