panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *305854 5030 0 0x10 0x4000000 1K syz-executor 522161 5030 0 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8350f2e5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff4000b1f75b8,2000008b0000,2000008b4000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff4000b1f75b8,2000008b0000,2000008c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff4000b1f75b8,2000008b0000,2000008c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80002a22afa8,2000008b04c0,10000,1,ffff80002a338598) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82f932a0,d02,0,ffffffff82f93ad0,ffff80002a338878) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80002a3386c0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff4007a31acc8,ffff80002a338878,5,fffff400097fd270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff4006d25a8e8,ffff80002a338878,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002a22afa8,9,ffff80002a338878,0,ffff80002a338930) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a22afa8,ffff80002a3389e0,ffff80002a338930) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a3389e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3389e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa249a86310, count: 2 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: uvm_fault_unwire_locked: address not in map ddb{1}> show kasan No such command ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8350f2e5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff4000b1f75b8,2000008b0000,2000008b4000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff4000b1f75b8,2000008b0000,2000008c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff4000b1f75b8,2000008b0000,2000008c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80002a22afa8,2000008b04c0,10000,1,ffff80002a338598) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82f932a0,d02,0,ffffffff82f93ad0,ffff80002a338878) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80002a3386c0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff4007a31acc8,ffff80002a338878,5,fffff400097fd270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff4006d25a8e8,ffff80002a338878,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002a22afa8,9,ffff80002a338878,0,ffff80002a338930) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a22afa8,ffff80002a3389e0,ffff80002a338930) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a3389e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3389e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa249a86310, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a3382e0 rbx 0xffff80002999ee0f rdx 0xffff800001607740 rcx 0xffff80002a22afa8 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x85466f4a744acf78 r11 0x7fe52527422abed2 r12 0xffff80002999ec10 r13 0 r14 0 r15 0x1 rip 0xffffffff82f11595 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3382d0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=305854 pid=5030 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a22c010,0xffff80002a22a7f0 process=0xffff800045fe7a40 user=0xffff80002a333000, vmspace=0xfffff4000b1f75b8 estcpu=36, cpticks=8, pctcpu=0.0, user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 73025 93209 14327 0 2 0x2 0 ndp 14327 353487 18080 0 3 0x100002 0x88 sigsusp sh 99044 97524 50530 0 3 0x2 0 clonelk ifconfig 20348 389740 14388 0 3 0x2 0 clonelk ifconfig 50530 91431 35203 0 3 0x100002 0x88 sigsusp sh 5030 274448 5744 0 2 0x10 0 syz-executor * 5030 305854 5744 0 7 0x10 0x4000000 syz-executor 5030 522161 5744 0 7 0x10 0x4000000 syz-executor 14388 238647 33086 0 3 0x100002 0x88 sigsusp sh 35203 177394 40527 0 3 0x2 0x80 wait syz-executor 18116 325321 59260 0 2 0x10 0 syz-executor 18116 170467 59260 0 3 0x10 0x4000080 netcon syz-executor 18116 386971 59260 0 3 0x10 0x4000080 kqsel syz-executor 18116 372917 59260 0 3 0x10 0x4000080 lockf syz-executor 33086 263563 40527 0 3 0x2 0x80 wait syz-executor 18080 26014 40527 0 3 0x2 0x80 wait syz-executor 59260 234022 40527 0 3 0x2 0x80 nanoslp syz-executor 5744 317841 40527 0 3 0x2 0x80 nanoslp syz-executor 27600 419788 40527 0 3 0x2 0x80 piperd syz-executor 76327 478440 40527 0 3 0x2 0x80 piperd syz-executor 89357 213750 0 0 3 0x14000 0x200 acct acct 40527 128624 43457 0 3 0x2 0x80 wait syz-executor 43457 301715 22071 0 3 0x100002 0x88 sigsusp ksh 22071 50021 2793 0 3 0x10 0x88 kqread sshd-session 2793 266051 1150 0 3 0x12 0x80 kqread sshd-session 36187 448277 1 0 3 0x100003 0x80 ttyin getty 1150 242174 1 0 3 0 0x88 kqread sshd 71387 454837 51449 74 3 0x1100012 0x80 bpf pflogd 51449 300923 1 0 3 0 0x80 sbwait pflogd 22487 87283 13720 73 3 0x1100010 0x80 kqread syslogd 13720 479752 1 0 3 0x100002 0x80 sbwait syslogd 40524 186532 1 0 3 0x100000 0x80 kqread resolvd 73880 267282 59451 77 3 0x100012 0x80 kqread dhcpleased 63489 219423 59451 77 3 0x100012 0x80 kqread dhcpleased 59451 200660 1 0 3 0 0x80 kqread dhcpleased 44071 203646 0 0 3 0x14000 0x200 bored smr 90210 411639 0 0 3 0x14000 0x200 pgzero zerothread 48519 449384 0 0 3 0x14000 0x200 aiodoned aiodoned 81644 145978 0 0 3 0x14000 0x200 syncer update 13637 205597 0 0 3 0x14000 0x200 cleaner cleaner 25789 463806 0 0 3 0x14000 0x200 reaper reaper 65089 166818 0 0 3 0x14000 0x200 pgdaemon pagedaemon 53205 266361 0 0 3 0x14000 0x200 bored viomb 30554 442197 0 0 3 0x14000 0x40000200 acpi0 acpi0 30308 453264 0 0 3 0x14000 0x40000200 idle1 13998 329669 0 0 3 0x14000 0x200 bored softnet1 47201 290165 0 0 3 0x14000 0x200 bored softnet0 89210 144874 0 0 3 0x14000 0x200 smrbar systqmp 20300 422160 0 0 3 0x14000 0x200 bored systq 99740 132052 0 0 2 0x14000 0x200 softclockmp 1227 303064 0 0 3 0x14000 0x40000200 tmoslp softclock 61062 396404 0 0 3 0x14000 0x40000200 idle0 1 500141 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff83a94eb0) #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+0x4b4 sys/kern/kern_lock.c:487 #2 uvm_pmr_freepages+0x1b6 sys/uvm/uvm_pmemrange.c:-1 #3 uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 #4 amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 #5 amap_wiperange+0x4a4 sys/uvm/uvm_amap.c:1037 #6 amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1301 #8 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 #9 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 Process 5030 (syz-executor) thread 0xffff80002a22afa8 (305854) shared rwlock vmmaplk r = 0 (0xfffff4000b1f76b8) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1723 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1706 #3 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #4 physio+0x257 sys/kern/kern_physio.c:139 #5 spec_write+0x11f sys/kern/spec_vnops.c:302 #6 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #7 vn_write+0x1d3 sys/kern/vfs_vnops.c:414 #8 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #9 sys_write+0xa2 sys/kern/sys_generic.c:300 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a50640) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #3 rw_do_enter_read+0x309 sys/kern/kern_rwlock.c:-1 #4 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #5 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #6 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1703 #8 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #9 physio+0x257 sys/kern/kern_physio.c:139 #10 spec_write+0x11f sys/kern/spec_vnops.c:302 #11 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #12 vn_write+0x1d3 sys/kern/vfs_vnops.c:414 #13 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #14 sys_write+0xa2 sys/kern/sys_generic.c:300 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #16 Xsyscall+0x128 Process 5030 (syz-executor) thread 0xffff800045fe8d20 (522161) exclusive rwlock amaplk r = 0 (0xfffff40069dbf5a0) #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 amap_unref+0x3d sys/uvm/uvm_amap.c:1332 #3 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 #4 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #6 Xsyscall+0x128 Process 89210 (systqmp) thread 0xffff800045ffe298 (144874) shared rwlock systqmp r = 0 (0xffffffff83955c28) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11051 12080K 12214K 166960K 12400 0 pcb 19 18K 21K 166960K 217 0 rtable 213 9K 10K 166960K 1591 0 pf 34 17K 25K 166960K 194 0 ifaddr 35 6K 7K 166960K 217 0 ifgroup 47 2K 2K 166960K 240 0 sysctl 2 1K 9K 166960K 7 0 counters 66 36K 37K 166960K 174 0 ioctlops 0 0K 4K 166960K 1770 0 iov 0 0K 40K 166960K 19 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1297 82K 82K 166960K 1957 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 15 0K 0K 166960K 20 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 89K 166960K 983 0 sigio 0 0K 0K 166960K 6 0 proc 86 148K 164K 166960K 1709 0 subproc 72 4K 4K 166960K 450 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 17 0 in_multi 77 5K 6K 166960K 547 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 26 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 929 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 218 182K 192K 166960K 8495 0 UVM aobj 8 4K 4K 166960K 9 0 pinsyscall 43 86K 104K 166960K 3186 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 11 0 NDP 12 0K 2K 166960K 156 0 temp 43 9119K 9150K 166960K 30486 0 kqueue 13 20K 26K 166960K 77 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 120 0 117 1 0 1 1 0 8 0 rtentry 176 554 0 465 8 2 6 6 0 8 0 unpcb 144 171 0 152 2 1 1 2 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 144 0 139 7 6 1 7 0 8 0 arp 136 98 0 84 1 0 1 1 0 8 0 inpcb 328 683 0 672 18 16 2 12 0 8 0 ip6q 80 1 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 152 146 0 127 2 0 2 2 0 8 0 pkpcb 40 6 0 5 3 2 1 1 0 8 0 kcovpl 48 50 0 42 1 0 1 1 0 8 0 ppxss 1192 9 0 9 2 1 1 1 0 8 1 pfstscr 40 3 0 3 2 1 1 1 0 8 1 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 2 2 1 1 1 0 8 0 pfosfp 40 1428 0 1428 5 5 0 5 0 8 0 pfosfpen 112 1428 0 1428 21 21 0 21 0 8 0 pfanchor 1288 12 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 49 0 27 1 0 1 1 0 8 0 pfstkey 128 53 0 31 2 0 2 2 0 8 0 pfstate 448 49 0 29 5 0 5 5 0 8 0 pfrule 1360 24 0 19 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2293 0 1862 41 8 33 33 0 8 4 art_table 40 2294 0 1862 6 0 6 6 0 8 1 art_node 32 554 0 463 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 72 18 0 5 1 0 1 1 0 8 0 shmpl 120 6 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2089 0 526 98 0 98 98 0 8 0 ffsino 296 2089 0 526 121 0 121 121 0 8 0 nchpl 144 2625 0 778 69 0 69 69 0 8 0 rtmask 32 3 0 3 1 0 1 1 0 8 1 vnodes 216 2654 0 0 148 0 148 148 0 8 0 namei 1024 13470 0 13470 8 7 1 5 0 8 1 percpumem 16 103 0 54 1 0 1 1 0 8 0 kstatmem 264 123 0 100 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 9202 0 9202 11 8 3 8 1 8 3 plimitpl 152 102 0 85 1 0 1 1 0 8 0 sigapl 424 1217 0 1168 7 1 6 7 0 8 0 knotepl 120 312 0 0 10 0 10 10 0 8 0 kqueuepl 224 96 0 86 1 0 1 1 0 8 0 pipepl 344 333 0 306 10 6 4 9 0 8 0 fdescpl 528 1200 0 1168 3 0 3 3 0 8 0 filepl 160 4663 0 4445 18 7 11 16 0 8 1 lockfpl 104 162 0 158 1 0 1 1 0 8 0 lockfspl 48 58 0 55 1 0 1 1 0 8 0 sessionpl 144 81 0 72 1 0 1 1 0 8 0 pgrppl 48 137 0 120 1 0 1 1 0 8 0 ucredpl 104 552 0 535 1 0 1 1 0 8 0 zombiepl 144 1189 0 1188 3 2 1 1 0 8 0 processpl 1240 1217 0 1168 5 0 5 5 0 8 0 procpl 664 1694 0 1640 7 2 5 6 0 8 0 sockpl 752 987 0 952 24 19 5 17 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 15 0 15 15 0 8 0 mcl2k 2048 38 0 0 5 0 5 5 0 8 0 mextrefs 64 43 0 0 1 0 1 1 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 385 0 0 25 0 25 25 0 8 0 bufpl 272 2964 0 106 191 0 191 191 0 8 0 anonpl 32 7571 0 0 62 0 62 62 0 247 0 amapchunkpl 152 23885 0 23441 32 13 19 26 0 158 0 amappl16 200 2574 0 2499 19 14 5 13 0 8 1 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 917 0 913 1 0 1 1 0 8 0 amappl13 176 201 0 188 1 0 1 1 0 8 0 amappl12 168 1641 0 1613 2 0 2 2 0 8 0 amappl11 160 7 0 5 1 0 1 1 0 8 0 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 276 0 276 1 1 0 1 0 8 0 amappl8 136 267 0 263 1 0 1 1 0 8 0 amappl7 128 226 0 213 1 0 1 1 0 8 0 amappl6 120 562 0 556 1 0 1 1 0 8 0 amappl5 112 113 0 102 1 0 1 1 0 8 0 amappl4 104 413 0 392 1 0 1 1 0 8 0 amappl3 96 4467 0 4386 3 0 3 3 0 8 0 amappl2 88 1167 0 1090 2 0 2 2 0 8 0 amappl1 80 16580 0 15961 17 3 14 15 0 8 0 amappl 88 7049 0 6910 4 0 4 4 0 92 0 uvmvnodes 80 105 0 0 3 0 3 3 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 1 1 1 0 8 1 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 8 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1200 0 1168 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1200 0 1168 1 0 1 1 0 8 0 vmmpekpl 168 11233 0 11179 4 0 4 4 0 8 0 vmmpepl 168 86314 0 84479 97 13 84 94 0 357 2 vmsppl 488 1199 0 1168 5 0 5 5 0 8 0 rwobjpl 80 26543 0 25425 29 4 25 28 0 8 0 pdppl 4096 2407 0 2336 175 102 73 85 0 8 2 pvpl 32 13308 0 0 108 0 108 108 0 265 0 pmappl 256 1199 0 1168 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 587 0 128 14 0 14 14 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8391eff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:153 _rb_insert(ffffffff836cb210,fffff40004917008,fffff40008f7e528) at _rb_insert+0x767 rbe_insert_color sys/kern/subr_tree.c:171 [inline] _rb_insert(ffffffff836cb210,fffff40004917008,fffff40008f7e528) at _rb_insert+0x767 sys/kern/subr_tree.c:435 uvm_pmr_freepages(fffff40008f7e480,1) at uvm_pmr_freepages+0x374 _atomic_add_int sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:171 [inline] uvm_pmr_freepages(fffff40008f7e480,1) at uvm_pmr_freepages+0x374 sys/uvm/uvm_pmemrange.c:1329 uvm_anfree(fffff4006fb420b0) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wiperange_chunk(fffff40070893478,fffff4006dacdc00,77,389) at amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 amap_wiperange(fffff40070893478,77,389) at amap_wiperange+0x4a4 sys/uvm/uvm_amap.c:1037 amap_pp_adjref(fffff40070893478,77,389,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 amap_adjref_anons(fffff40070893478,77,389,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1301 uvm_unmap_detach(ffff80002a34a490,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 sys_munmap(ffff800045fe8d20,ffff80002a34a5d0,ffff80002a34a520) at sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 syscall(ffff80002a34a5d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a34a5d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 end trace frame: 0xffff80002a34a650, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8391eff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:153 _rb_insert(ffffffff836cb210,fffff40004917008,fffff40008f7e528) at _rb_insert+0x767 rbe_insert_color sys/kern/subr_tree.c:171 [inline] _rb_insert(ffffffff836cb210,fffff40004917008,fffff40008f7e528) at _rb_insert+0x767 sys/kern/subr_tree.c:435 uvm_pmr_freepages(fffff40008f7e480,1) at uvm_pmr_freepages+0x374 _atomic_add_int sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:171 [inline] uvm_pmr_freepages(fffff40008f7e480,1) at uvm_pmr_freepages+0x374 sys/uvm/uvm_pmemrange.c:1329 uvm_anfree(fffff4006fb420b0) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wiperange_chunk(fffff40070893478,fffff4006dacdc00,77,389) at amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 amap_wiperange(fffff40070893478,77,389) at amap_wiperange+0x4a4 sys/uvm/uvm_amap.c:1037 amap_pp_adjref(fffff40070893478,77,389,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 amap_adjref_anons(fffff40070893478,77,389,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1301 uvm_unmap_detach(ffff80002a34a490,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 sys_munmap(ffff800045fe8d20,ffff80002a34a5d0,ffff80002a34a520) at sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 syscall(ffff80002a34a5d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a34a5d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa1e943b5a0, count: -15 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(ffffffff8350f2e5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff4000b1f75b8,2000008b0000,2000008b4000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff4000b1f75b8,2000008b0000,2000008c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff4000b1f75b8,2000008b0000,2000008c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80002a22afa8,2000008b04c0,10000,1,ffff80002a338598) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82f932a0,d02,0,ffffffff82f93ad0,ffff80002a338878) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80002a3386c0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff4007a31acc8,ffff80002a338878,5,fffff400097fd270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff4006d25a8e8,ffff80002a338878,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002a22afa8,9,ffff80002a338878,0,ffff80002a338930) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a22afa8,ffff80002a3389e0,ffff80002a338930) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a3389e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3389e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa249a86310, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8350f2e5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff4000b1f75b8,2000008b0000,2000008b4000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff4000b1f75b8,2000008b0000,2000008c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff4000b1f75b8,2000008b0000,2000008c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80002a22afa8,2000008b04c0,10000,1,ffff80002a338598) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82f932a0,d02,0,ffffffff82f93ad0,ffff80002a338878) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80002a3386c0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff4007a31acc8,ffff80002a338878,5,fffff400097fd270) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff4006d25a8e8,ffff80002a338878,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002a22afa8,9,ffff80002a338878,0,ffff80002a338930) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a22afa8,ffff80002a3389e0,ffff80002a338930) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a3389e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3389e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa249a86310, count: -13