panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *345713 22166 0 0 0x4000000 1K syz-executor 281696 22166 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83509309) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff6000c959d78,200000500000,200000504000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff6000c959d78,200000500000,200000511000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff6000c959d78,200000500000,200000511000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80003a3b8d18,2000005004c0,10000,1,ffff80003c3d1998) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82823230,d02,0,ffffffff82823a60,ffff80003c3d1c78) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80003c3d1ac0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff60064db36d8,ffff80003c3d1c78,5,fffff600097fd618) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff6006cd22a40,ffff80003c3d1c78,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80003a3b8d18,5,ffff80003c3d1c78,0,ffff80003c3d1d30) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003a3b8d18,ffff80003c3d1de0,ffff80003c3d1d30) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c3d1de0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3d1de0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55b5c1e3b20, 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(ffffffff83509309) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff6000c959d78,200000500000,200000504000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff6000c959d78,200000500000,200000511000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff6000c959d78,200000500000,200000511000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80003a3b8d18,2000005004c0,10000,1,ffff80003c3d1998) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82823230,d02,0,ffffffff82823a60,ffff80003c3d1c78) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80003c3d1ac0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff60064db36d8,ffff80003c3d1c78,5,fffff600097fd618) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff6006cd22a40,ffff80003c3d1c78,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80003a3b8d18,5,ffff80003c3d1c78,0,ffff80003c3d1d30) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003a3b8d18,ffff80003c3d1de0,ffff80003c3d1d30) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c3d1de0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3d1de0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55b5c1e3b20, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c3d16e0 rbx 0xffff80002999ee07 rdx 0xffff8000015d85c0 rcx 0xffff80003a3b8d18 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4d8a4001adaba8a4 r11 0x201c8e071e76b07a r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82b97fe5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3d16d0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=345713 pid=22166 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a3b8020,0xffff80003a3b9258 process=0xffff80002a37eb68 user=0xffff80003c3cc000, vmspace=0xfffff6000c959d78 estcpu=36, cpticks=10, pctcpu=0.0, user=0, sys=7, intr=3 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 89712 510113 97619 0 2 0 0 syz-executor 9265 485462 64615 0 2 0 0 syz-executor 83459 506121 89473 0 2 0 0 syz-executor 83459 460080 89473 0 3 0 0x4000080 ttyout syz-executor 83459 372134 89473 0 3 0 0x4000080 fsleep syz-executor 22166 259246 6719 0 3 0 0x80 nanoslp syz-executor *22166 345713 6719 0 7 0 0x4000000 syz-executor 22166 281696 6719 0 7 0 0x4000000 syz-executor 48400 517294 49093 0 2 0x2000 0x80000 syz-executor 48400 519313 49093 0 4 0x2000 0x4080000 syz-executor 48400 194378 49093 0 4 0x2000 0x4080000 syz-executor 48400 49802 49093 0 3 0x2000 0x4000000 suspend syz-executor 45298 383642 40372 0 2 0 0 syz-executor 45298 358949 40372 0 3 0 0x4000080 fsleep syz-executor 81773 398215 44095 0 2 0 0 syz-executor 81773 362926 44095 0 3 0 0x4000080 fsleep syz-executor 81773 246002 44095 0 3 0 0x4000080 fsleep syz-executor 49093 471255 73624 0 3 0x2 0x80 nanoslp syz-executor 44095 355913 73624 0 3 0x2 0x80 nanoslp syz-executor 84036 144026 73624 0 3 0x2 0x80 nanoslp syz-executor 64615 153959 73624 0 2 0x2 0xc80 syz-executor 97619 250986 73624 0 3 0x2 0x80 nanoslp syz-executor 40372 355836 73624 0 3 0x2 0x80 nanoslp syz-executor 6719 102784 73624 0 3 0x2 0x80 nanoslp syz-executor 89473 409050 73624 0 2 0x2 0xc80 syz-executor 73624 288254 67457 0 3 0x2 0x80 kqread syz-executor 67457 515958 47369 0 3 0x100002 0x88 sigsusp ksh 47369 312168 37296 0 3 0x10 0x88 kqread sshd-session 37296 69639 57402 0 3 0x12 0x80 kqread sshd-session 69637 299501 1 0 3 0x100003 0x80 ttyin getty 57402 122176 1 0 3 0 0x88 kqread sshd 57259 388289 62459 74 3 0x1100012 0x80 bpf pflogd 62459 194192 1 0 3 0 0x80 sbwait pflogd 25239 26261 32189 73 3 0x1100010 0x80 kqread syslogd 32189 473605 1 0 3 0x100002 0x80 sbwait syslogd 12862 312414 1 0 3 0x100000 0x80 kqread resolvd 37030 207859 66788 77 3 0x100012 0x80 kqread dhcpleased 18673 286010 66788 77 3 0x100012 0x80 kqread dhcpleased 66788 507706 1 0 3 0 0x80 kqread dhcpleased 24634 284404 0 0 3 0x14000 0x200 bored smr 54593 115984 0 0 2 0x14000 0x200 zerothread 54280 45499 0 0 3 0x14000 0x200 aiodoned aiodoned 35525 129467 0 0 3 0x14000 0x200 syncer update 73977 107652 0 0 3 0x14000 0x200 cleaner cleaner 83196 60341 0 0 3 0x14000 0x200 reaper reaper 36195 492300 0 0 3 0x14000 0x200 pgdaemon pagedaemon 32323 422268 0 0 3 0x14000 0x200 bored viomb 2853 493167 0 0 3 0x14000 0x40000200 acpi0 acpi0 97800 232508 0 0 3 0x14000 0x40000200 idle1 35546 516519 0 0 3 0x14000 0x200 bored softnet1 27305 413956 0 0 3 0x14000 0x200 bored softnet0 97697 246983 0 0 3 0x14000 0x200 bored systqmp 48667 412058 0 0 3 0x14000 0x200 bored systq 78121 128964 0 0 2 0x14000 0x200 softclockmp 36102 50024 0 0 3 0x14000 0x40000200 tmoslp softclock 7295 12027 0 0 3 0x14000 0x40000200 idle0 1 491629 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 &sched_lock r = 0 (0xffffffff83a2bef8) #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 wakeup_n+0x54 sys/kern/kern_synch.c:581 #3 uvm_pmr_freepages+0x3eb atomic_load_sint sys/uvm/uvmexp.h:-1 [inline] #3 uvm_pmr_freepages+0x3eb sys/uvm/uvm_pmemrange.c:1333 #4 uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 #5 amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 #6 amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1299 #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:783 #11 Xsyscall+0x128 exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff839e8598) #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_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #6 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1299 #7 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 #8 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #10 Xsyscall+0x128 Process 22166 (syz-executor) thread 0xffff80003a3b8d18 (345713) shared rwlock vmmaplk r = 0 (0xfffff6000c959e78) #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:783 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83abce00) #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:783 #16 Xsyscall+0x128 Process 22166 (syz-executor) thread 0xffff80003a3b8550 (281696) exclusive rwlock amaplk r = 0 (0xfffff6006ce8e430) #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:1330 #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:783 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11061 12151K 12151K 166960K 12154 0 pcb 17 12K 12K 166960K 32 0 rtable 219 6K 6K 166960K 355 0 pf 35 17K 23K 166960K 49 0 ifaddr 44 7K 7K 166960K 47 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 1 1K 9K 166960K 5 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1486 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1294 81K 81K 166960K 1373 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 18 65K 89K 166960K 164 0 sigio 0 0K 0K 166960K 2 0 proc 71 115K 164K 166960K 556 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 2 0 in_multi 102 6K 6K 166960K 105 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 387 0 fusefs mount 1 32K 32K 166960K 1 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 245 160K 176K 166960K 3224 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 43 86K 104K 166960K 1320 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 28 2K 2K 166960K 28 0 temp 35 9114K 9120K 166960K 5449 0 kqueue 15 24K 26K 166960K 32 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 33 0 30 1 0 1 1 0 8 0 rtentry 176 113 0 12 5 0 5 5 0 8 0 unpcb 144 56 0 39 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 12 0 8 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 90 0 81 2 0 2 2 0 8 1 nd6 152 25 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstlim 224 1 0 1 1 0 1 1 0 8 1 pfstitem 24 18 0 0 1 0 1 1 0 8 0 pfstkey 128 20 0 2 1 0 1 1 0 8 0 pfstate 448 19 0 1 3 0 3 3 0 8 0 pfrule 1360 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 256 486 0 41 31 0 31 31 0 8 1 art_table 40 487 0 41 5 0 5 5 0 8 0 art_node 32 113 0 22 1 0 1 1 0 8 0 semapl 72 2 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1611 0 137 93 0 93 93 0 8 0 ffsino 296 1611 0 137 114 0 114 114 0 8 0 nchpl 144 1847 0 142 64 0 64 64 0 8 0 vnodes 216 1709 0 0 95 0 95 95 0 8 0 namei 1024 5625 0 5625 2 0 2 2 0 8 2 percpumem 16 51 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 6434 0 6434 4 2 2 3 1 8 2 plimitpl 152 32 0 13 1 0 1 1 0 8 0 sigapl 424 481 0 433 7 0 7 7 0 8 1 knotepl 120 103 0 0 4 0 4 4 0 8 0 kqueuepl 224 34 0 23 1 0 1 1 0 8 0 pipepl 344 129 0 102 3 0 3 3 0 8 0 fdescpl 528 465 0 433 3 0 3 3 0 8 0 filepl 160 1709 0 1481 10 0 10 10 0 8 0 lockfpl 104 22 0 19 1 0 1 1 0 8 0 lockfspl 48 10 0 7 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 117 0 103 1 0 1 1 0 8 0 zombiepl 144 434 0 433 1 0 1 1 0 8 0 processpl 1232 481 0 433 5 0 5 5 0 8 1 procpl 664 526 0 468 5 0 5 5 0 8 0 sosppl 176 2 0 0 1 0 1 1 0 8 0 sockpl 752 183 0 154 4 0 4 4 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 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mextrefs 64 23 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 133 0 0 9 0 9 9 0 8 0 bufpl 272 2353 0 105 150 0 150 150 0 8 0 anonpl 32 7448 0 0 61 0 61 61 0 247 0 amapchunkpl 152 9297 0 8666 29 0 29 29 0 158 2 amappl16 200 1704 0 1630 6 0 6 6 0 8 0 amappl15 192 7 0 7 1 0 1 1 0 8 1 amappl14 184 431 0 430 1 0 1 1 0 8 0 amappl13 176 124 0 112 1 0 1 1 0 8 0 amappl12 168 728 0 696 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 0 1 1 0 8 1 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 274 0 274 1 0 1 1 0 8 1 amappl8 136 101 0 99 1 0 1 1 0 8 0 amappl7 128 171 0 158 1 0 1 1 0 8 0 amappl6 120 156 0 155 1 0 1 1 0 8 0 amappl5 112 96 0 86 1 0 1 1 0 8 0 amappl4 104 313 0 293 1 0 1 1 0 8 0 amappl3 96 1618 0 1501 4 0 4 4 0 8 0 amappl2 88 543 0 482 2 0 2 2 0 8 0 amappl1 80 10588 0 9989 15 0 15 15 0 8 2 amappl 88 2496 0 2324 4 0 4 4 0 92 0 uvmvnodes 80 99 0 0 3 0 3 3 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 128 253 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 465 0 433 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 465 0 433 1 0 1 1 0 8 0 vmmpekpl 168 5839 0 5808 2 0 2 2 0 8 0 vmmpepl 168 39209 0 37216 88 0 88 88 0 357 0 vmsppl 488 464 0 433 5 0 5 5 0 8 1 rwobjpl 80 14696 0 13619 24 0 24 24 0 8 1 pdppl 4096 937 0 866 95 12 83 83 0 8 12 pvpl 32 13785 0 0 112 0 112 112 0 265 0 pmappl 256 464 0 433 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 419 0 15 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83964ff0) 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_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x54 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x54 sys/dev/kcov.c:230 _rb_insert(ffffffff8360e698,fffff6000490b008,fffff60008520230) at _rb_insert+0x8f sys/kern/subr_tree.c:415 uvm_pmr_freepages(fffff60008520188,1) at uvm_pmr_freepages+0x374 _atomic_add_int sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:171 [inline] uvm_pmr_freepages(fffff60008520188,1) at uvm_pmr_freepages+0x374 sys/uvm/uvm_pmemrange.c:1329 uvm_anfree(fffff600652acbd0) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wipeout(fffff6006d8f7328) at amap_wipeout+0x1d6 sys/uvm/uvm_amap.c:-1 uvm_unmap_detach(ffff8000393a2f10,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 sys_munmap(ffff80003a3b8550,ffff8000393a3050,ffff8000393a2fa0) at sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 syscall(ffff8000393a3050) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000393a3050) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55b1e228190, count: 3 ddb{0}> trace x86_ipi_db(ffffffff83964ff0) 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_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x54 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_const_cmp4(0,1) at __sanitizer_cov_trace_const_cmp4+0x54 sys/dev/kcov.c:230 _rb_insert(ffffffff8360e698,fffff6000490b008,fffff60008520230) at _rb_insert+0x8f sys/kern/subr_tree.c:415 uvm_pmr_freepages(fffff60008520188,1) at uvm_pmr_freepages+0x374 _atomic_add_int sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:171 [inline] uvm_pmr_freepages(fffff60008520188,1) at uvm_pmr_freepages+0x374 sys/uvm/uvm_pmemrange.c:1329 uvm_anfree(fffff600652acbd0) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wipeout(fffff6006d8f7328) at amap_wipeout+0x1d6 sys/uvm/uvm_amap.c:-1 uvm_unmap_detach(ffff8000393a2f10,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 sys_munmap(ffff80003a3b8550,ffff8000393a3050,ffff8000393a2fa0) at sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 syscall(ffff8000393a3050) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000393a3050) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55b1e228190, count: -12 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(ffffffff83509309) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff6000c959d78,200000500000,200000504000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff6000c959d78,200000500000,200000511000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff6000c959d78,200000500000,200000511000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80003a3b8d18,2000005004c0,10000,1,ffff80003c3d1998) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82823230,d02,0,ffffffff82823a60,ffff80003c3d1c78) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80003c3d1ac0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff60064db36d8,ffff80003c3d1c78,5,fffff600097fd618) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff6006cd22a40,ffff80003c3d1c78,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80003a3b8d18,5,ffff80003c3d1c78,0,ffff80003c3d1d30) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003a3b8d18,ffff80003c3d1de0,ffff80003c3d1d30) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c3d1de0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3d1de0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55b5c1e3b20, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83509309) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff6000c959d78,200000500000,200000504000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff6000c959d78,200000500000,200000511000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff6000c959d78,200000500000,200000511000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80003a3b8d18,2000005004c0,10000,1,ffff80003c3d1998) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82823230,d02,0,ffffffff82823a60,ffff80003c3d1c78) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80003c3d1ac0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff60064db36d8,ffff80003c3d1c78,5,fffff600097fd618) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff6006cd22a40,ffff80003c3d1c78,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80003a3b8d18,5,ffff80003c3d1c78,0,ffff80003c3d1d30) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003a3b8d18,ffff80003c3d1de0,ffff80003c3d1d30) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c3d1de0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3d1de0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x55b5c1e3b20, count: -13