panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *519648 12122 0 0x8000000 0 0K syz-executor.0 371760 86534 0 0x8000000 0 1 syz-executor.2 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82956c5b) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290da32,ffffffff828aee96,90,ffffffff8290eb26) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd80071fec20,fffffd806d59c038,34485e000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd806d59c038,34485e000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806d59c008,6890bd8e000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806d59c008,6890bd8e000,713dd000,1,21) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 udv_fault(ffff80002c0aa7c0,6890bd8e000,ffff80002c0aa740,1,0,0,200e56fe2dea38ca,ffff80002c0aa7c0) at udv_fault+0x1aa sys/uvm/uvm_device.c:374 uvm_fault(fffffd806b4e1388,6890bd8e000,0,1) at uvm_fault+0x1c9 sys/uvm/uvm_fault.c:623 upageflttrap(ffff80002c0aa940,6890bd8e000) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002c0aa940) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x71936efbb740, count: 3 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: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82956c5b) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290da32,ffffffff828aee96,90,ffffffff8290eb26) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd80071fec20,fffffd806d59c038,34485e000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd806d59c038,34485e000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806d59c008,6890bd8e000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806d59c008,6890bd8e000,713dd000,1,21) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 udv_fault(ffff80002c0aa7c0,6890bd8e000,ffff80002c0aa740,1,0,0,200e56fe2dea38ca,ffff80002c0aa7c0) at udv_fault+0x1aa sys/uvm/uvm_device.c:374 uvm_fault(fffffd806b4e1388,6890bd8e000,0,1) at uvm_fault+0x1c9 sys/uvm/uvm_fault.c:623 upageflttrap(ffff80002c0aa940,6890bd8e000) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002c0aa940) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x71936efbb740, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002c0aa2c0 rbx 0xffffffff82cc0cdf cpu_info_full_primary+0x2cdf rdx 0 rcx 0xffff80003741f758 rax 0xffffffff82cbfff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe54658ee180ea063 r11 0x64fdd06d72ad3296 r12 0xffffffff82cc0ae0 cpu_info_full_primary+0x2ae0 r13 0 r14 0 r15 0x1 rip 0xffffffff81e52b9c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002c0aa2b0 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) tid=519648 pid=12122 tcnt=2 stat=onproc flags process=8000000 proc=0 runpri=84, usrpri=84, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000ffff74a0,0xffff80003741ed28 process=0xffff80002a15ac68 user=0xffff80002c0a5000, vmspace=0xfffffd806b4e1388 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *12122 519648 94179 0 7 0x8000000 syz-executor.0 12122 240050 94179 0 3 0xc000080 fsleep syz-executor.0 86534 371760 52696 0 7 0x8000000 syz-executor.2 86534 249795 52696 0 2 0xc000080 syz-executor.2 86534 378905 52696 0 3 0xc000080 fsleep syz-executor.2 85790 345727 21190 0 3 0x8000080 nanoslp syz-executor.4 85790 375381 21190 0 3 0xc000080 ttyin syz-executor.4 85790 383937 21190 0 3 0xc000080 fsleep syz-executor.4 43957 325202 33120 0 3 0x8000080 nanoslp syz-executor.6 43957 68311 33120 0 3 0xc000080 kqread syz-executor.6 43957 398772 33120 0 3 0xc000080 fsleep syz-executor.6 85027 489063 39812 0 3 0x8000080 nanoslp syz-executor.7 85027 475383 39812 0 3 0xc000080 kqread syz-executor.7 85027 86414 39812 0 3 0xc000080 fsleep syz-executor.7 85027 133066 39812 0 3 0xc000080 fsleep syz-executor.7 21190 349898 72937 0 3 0x8000082 nanoslp syz-executor.4 67165 35902 1033 0 3 0x8000090 nanoslp syz-executor.1 67165 425169 1033 0 3 0xc000010 inode syz-executor.1 67165 509942 1033 0 3 0xc000010 inode syz-executor.1 67165 110231 1033 0 3 0xc000090 sbwait syz-executor.1 67165 9915 1033 0 3 0xc000010 inode syz-executor.1 67165 374166 1033 0 3 0xc000010 inode syz-executor.1 67165 275624 1033 0 3 0xc000010 inode syz-executor.1 67165 93281 1033 0 3 0xc000010 inode syz-executor.1 67165 443726 1033 0 3 0xc000090 fsleep syz-executor.1 94179 203132 72937 0 3 0x8000082 nanoslp syz-executor.0 47878 340718 72937 0 3 0x8000082 nanoslp syz-executor.3 52696 25429 72937 0 3 0x8000082 nanoslp syz-executor.2 6661 497838 1 0 3 0x18100083 ttyin getty 66586 382353 72937 0 3 0x8000002 biowait syz-executor.5 53230 51077 0 0 3 0x14200 bored sosplice 39812 85710 72937 0 3 0x8000082 nanoslp syz-executor.7 33120 509480 72937 0 3 0x8000082 nanoslp syz-executor.6 1033 394806 72937 0 3 0x8000082 nanoslp syz-executor.1 72937 160639 61387 0 3 0x1a000082 thrsleep syz-fuzzer 72937 108051 61387 0 3 0x1e000082 nanoslp syz-fuzzer 72937 430120 61387 0 3 0x1e000082 wait syz-fuzzer 72937 261462 61387 0 3 0x1e000082 kqread syz-fuzzer 72937 239958 61387 0 3 0x1e000082 wait syz-fuzzer 72937 18444 61387 0 3 0x1e000082 thrsleep syz-fuzzer 72937 306495 61387 0 3 0x1e000082 thrsleep syz-fuzzer 72937 177304 61387 0 3 0x1e000082 wait syz-fuzzer 72937 302277 61387 0 3 0x1e000082 thrsleep syz-fuzzer 72937 175941 61387 0 3 0x1e000082 wait syz-fuzzer 72937 478598 61387 0 3 0x1e000082 thrsleep syz-fuzzer 72937 289092 61387 0 3 0x1e000082 wait syz-fuzzer 72937 182215 61387 0 3 0x1e000082 wait syz-fuzzer 72937 511455 61387 0 3 0x1e000082 thrsleep syz-fuzzer 72937 394512 61387 0 3 0x1e000082 wait syz-fuzzer 72937 439739 61387 0 3 0x1e000082 wait syz-fuzzer 61387 83747 61570 0 3 0x810008a sigsusp ksh 61570 257507 47610 0 3 0x1800009a kqread sshd 47610 287808 1 0 3 0x18000088 kqread sshd 30576 39296 3893 74 3 0x19100092 bpf pflogd 3893 378745 1 0 3 0x18000080 sbwait pflogd 83422 321857 17657 73 3 0x19100010 biowait syslogd 17657 65120 1 0 3 0x18100082 sbwait syslogd 81071 182133 1 0 3 0x18100080 kqread resolvd 63597 349019 64176 77 3 0x18100092 kqread dhcpleased 33095 160369 64176 77 3 0x18100092 kqread dhcpleased 64176 445376 1 0 3 0x18000080 kqread dhcpleased 93785 289464 0 0 3 0x14200 bored smr 53935 320583 0 0 2 0x14200 zerothread 39687 49548 0 0 3 0x14200 aiodoned aiodoned 49020 373054 0 0 3 0x14200 syncer update 1710 154707 0 0 3 0x14200 cleaner cleaner 12075 313633 0 0 3 0x14200 reaper reaper 17374 39732 0 0 3 0x14200 pgdaemon pagedaemon 17446 94190 0 0 3 0x14200 bored viomb 73317 327666 0 0 3 0x40014200 acpi0 acpi0 98018 162735 0 0 3 0x40014200 idle1 6915 314287 0 0 3 0x14200 bored softnet3 51638 386578 0 0 3 0x14200 bored softnet2 28457 508924 0 0 3 0x14200 bored softnet1 50202 100074 0 0 3 0x14200 bored softnet0 58388 23463 0 0 3 0x14200 bored systqmp 56954 257049 0 0 3 0x14200 bored systq 51521 305348 0 0 3 0x14200 tmoslp softclockmp 52663 55963 0 0 3 0x40014200 tmoslp softclock 59186 8768 0 0 3 0x40014200 idle0 1 52652 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806d59c018) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c6 rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1c6 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_enter+0x1c6 sys/arch/amd64/amd64/pmap.c:2716 #4 udv_fault+0x1aa sys/uvm/uvm_device.c:374 #5 uvm_fault+0x1c9 sys/uvm/uvm_fault.c:623 #6 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 12122 (syz-executor.0) thread 0xffff80003741f758 (519648) exclusive rwlock uobjlk r = 0 (0xfffffd805acc2b00) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 uvm_fault+0x196 sys/uvm/uvm_fault.c:623 #3 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d63128) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 uvm_fault+0x189 sys/uvm/uvm_fault.c:622 #2 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #3 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #4 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806b4e1478) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806d59c018) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c6 rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1c6 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_enter+0x1c6 sys/arch/amd64/amd64/pmap.c:2716 #4 udv_fault+0x1aa sys/uvm/uvm_device.c:374 #5 uvm_fault+0x1c9 sys/uvm/uvm_fault.c:623 #6 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 67165 (syz-executor.1) thread 0xffff8000fffeafa0 (110231) exclusive rrwlock inode r = 0 (0xfffffd806d76f920) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #10 namei+0x56a sys/kern/vfs_lookup.c:250 #11 vn_open+0x101 sys/kern/vfs_vnops.c:140 #12 vndioctl+0x988 sys/dev/vnd.c:457 #13 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 #14 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #15 sys_ioctl+0x4a9 #16 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #16 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #17 Xsyscall+0x128 Process 67165 (syz-executor.1) thread 0xffff8000fffeb750 (9915) exclusive rrwlock inode r = 0 (0xfffffd807de1ef80) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 vn_open+0x180 sys/kern/vfs_vnops.c:107 #8 doopenat+0x269 sys/kern/vfs_syscalls.c:1126 #9 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #9 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 66586 (syz-executor.5) thread 0xffff80003741e568 (382353) exclusive rrwlock inode r = 0 (0xfffffd80664e60a8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067eacf80) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 83422 (syslogd) thread 0xffff8000ffffcf70 (321857) exclusive rrwlock inode r = 0 (0xfffffd806e79f1b0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2904 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10186 6499K 6667K 166960K 11527 0 pcb 18 12K 12K 166960K 143 0 rtable 173 6K 7K 166960K 674 0 pf 30 9K 10K 166960K 87 0 ifaddr 35 13K 15K 166960K 94 0 ifgroup 51 2K 2K 166960K 133 0 sysctl 4 1K 1K 166960K 4 0 counters 62 36K 36K 166960K 102 0 ioctlops 0 0K 4K 166960K 1544 0 iov 1 12K 16K 166960K 77 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1375 86K 87K 166960K 1837 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 32 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 108 0 dirhash 12 2K 3K 166960K 63 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 85K 166960K 1166 0 sigio 0 0K 0K 166960K 21 0 proc 71 91K 128K 166960K 824 0 subproc 104 6K 7K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 132 0 in_multi 66 4K 7K 166960K 210 0 ether_multi 1 0K 0K 166960K 10 0 mrt 2 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 663 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 315 93K 110K 166960K 12365 0 UVM aobj 47 2K 2K 166960K 50 0 pinsyscall 40 80K 108K 166960K 2556 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 79 0 NDP 13 0K 2K 166960K 63 0 temp 82 6820K 6945K 166960K 29173 0 kqueue 16 22K 33K 166960K 207 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 132 0 129 1 0 1 1 0 8 0 rtentry 112 216 0 140 4 0 4 4 0 8 0 unpcb 144 761 0 736 5 3 2 2 0 8 1 syncache 336 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 40 0 40 3 3 0 1 0 8 0 tcpcb 808 287 0 281 5 4 1 2 0 8 0 arp 120 38 0 26 1 0 1 1 0 8 0 inpcb 384 1034 0 1024 9 7 2 3 0 8 0 nd6 136 52 0 36 1 0 1 1 0 8 0 pkpcb 40 9 0 9 4 4 0 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 ppxss 1168 2 0 2 2 2 0 1 0 8 0 pffrag 232 14 0 12 3 2 1 1 0 482 0 pffrnode 88 14 0 12 3 2 1 1 0 8 0 pffrent 40 70 0 68 3 2 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 pfstitem 24 93 0 67 1 0 1 1 0 8 0 pfstkey 128 93 0 67 2 0 2 2 0 8 0 pfstate 376 93 0 67 5 0 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 838 0 513 32 9 23 29 0 8 1 art_table 32 839 0 513 4 0 4 4 0 8 0 art_node 16 214 0 145 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 6 2 1 1 1 0 8 0 semapl 112 105 0 95 1 0 1 1 0 8 0 shmpl 112 47 0 3 2 0 2 2 0 8 0 dirhash 1024 51 0 34 3 0 3 3 0 8 0 dino2pl 256 3297 0 1774 96 0 96 96 0 8 0 ffsino 272 3297 0 1774 104 1 103 103 0 8 0 nchpl 144 5050 0 3306 67 0 67 67 0 8 0 uvmvnodes 80 3595 0 0 74 0 74 74 0 8 0 vnodes 216 3595 0 0 200 0 200 200 0 8 0 namei 1024 17537 0 17533 6 5 1 2 0 8 0 percpumem 16 65 0 20 1 0 1 1 0 8 0 vcpupl 3904 6 0 1 1 0 1 1 0 8 0 vmpool 696 9 0 4 1 0 1 1 0 8 0 kstatmem 264 62 0 40 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 30473 0 30471 19 18 1 8 1 8 0 plimitpl 152 157 0 139 1 0 1 1 0 8 0 sigapl 424 1489 0 1440 9 2 7 8 0 8 0 futexpl 64 16353 0 16346 3 2 1 1 0 8 0 knotepl 120 389 0 0 11 0 11 11 0 8 0 kqueuepl 216 329 0 314 1 0 1 1 0 8 0 pipepl 320 292 0 264 3 0 3 3 0 8 0 fdescpl 496 1448 0 1419 6 1 5 5 0 8 0 filepl 152 8396 0 8123 15 4 11 12 0 8 0 lockfpl 104 273 0 270 1 0 1 1 0 8 0 lockfspl 48 116 0 113 1 0 1 1 0 8 0 sessionpl 144 33 0 16 1 0 1 1 0 8 0 pgrppl 48 47 0 30 1 0 1 1 0 8 0 ucredpl 104 1510 0 1496 1 0 1 1 0 8 0 zombiepl 144 1441 0 1440 1 0 1 1 0 8 0 processpl 1136 1489 0 1440 7 3 4 6 0 8 0 procpl 656 2662 0 2580 10 2 8 9 0 8 0 srpgc 96 18 0 18 4 4 0 1 0 8 0 sosppl 168 9 0 9 4 3 1 1 0 8 1 sockpl 664 1949 0 1911 11 7 4 5 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 369 0 0 47 0 47 47 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 559 0 0 32 0 32 32 0 8 0 bufpl 280 8400 0 2145 449 1 448 448 0 8 0 anonpl 24 370891 0 364611 120 52 68 91 0 186 13 amapchunkpl 152 41544 0 40783 64 24 40 44 0 158 9 amappl16 200 10134 0 10019 48 37 11 19 0 8 2 amappl15 192 14 0 12 1 0 1 1 0 8 0 amappl14 184 183 0 169 2 1 1 2 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 2251 0 2220 3 1 2 2 0 8 0 amappl11 160 62 0 48 1 0 1 1 0 8 0 amappl10 152 56 0 45 1 0 1 1 0 8 0 amappl9 144 386 0 386 4 4 0 1 0 8 0 amappl8 136 145 0 111 2 0 2 2 0 8 0 amappl7 128 71 0 59 1 0 1 1 0 8 0 amappl6 120 477 0 459 2 0 2 2 0 8 0 amappl5 112 219 0 204 1 0 1 1 0 8 0 amappl4 104 616 0 573 3 1 2 3 0 8 0 amappl3 96 7334 0 7239 3 0 3 3 0 8 0 amappl2 88 1847 0 1771 4 2 2 4 0 8 0 amappl1 80 13452 0 12902 24 11 13 23 0 8 0 amappl 88 11667 0 11447 6 0 6 6 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 49 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1458 0 1424 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1458 0 1424 1 0 1 1 0 8 0 vmmpekpl 168 14536 0 14466 4 0 4 4 0 8 0 vmmpepl 168 109078 0 107046 150 47 103 120 0 357 7 vmsppl 440 1457 0 1424 7 2 5 5 0 8 0 rwobjpl 56 38126 0 33294 77 8 69 69 0 8 0 pdppl 4096 2923 0 2853 174 97 77 81 0 8 7 pvpl 32 49181 0 0 399 2 397 397 0 265 0 pmappl 248 1457 0 1424 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 509 0 121 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82956c5b) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290da32,ffffffff828aee96,90,ffffffff8290eb26) at __assert+0x29 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd80071fec20,fffffd806d59c038,34485e000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695 uvm_pagealloc(fffffd806d59c038,34485e000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd806d59c008,6890bd8e000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215 pmap_enter(fffffd806d59c008,6890bd8e000,713dd000,1,21) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722 udv_fault(ffff80002c0aa7c0,6890bd8e000,ffff80002c0aa740,1,0,0,200e56fe2dea38ca,ffff80002c0aa7c0) at udv_fault+0x1aa sys/uvm/uvm_device.c:374 uvm_fault(fffffd806b4e1388,6890bd8e000,0,1) at uvm_fault+0x1c9 sys/uvm/uvm_fault.c:623 upageflttrap(ffff80002c0aa940,6890bd8e000) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002c0aa940) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x71936efbb740, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7c7fc8afe090, count: 12 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7c7fc8afe090, count: -3