login: panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *359099 40853 0 0 0x4000000 1K syz-executor 18262 40853 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8350b29a) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff2006cce63f0,2000009b0000,2000009bb000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff2006cce63f0,2000009b0000,2000009c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff2006cce63f0,2000009b0000,2000009c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80003c3d3cb0,2000009b04c0,10000,1,ffff80002a276398) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82092ff0,d02,0,ffffffff82093820,ffff80002a276678) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80002a2764c0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff2005f83ed90,ffff80002a276678,5,fffff200097fd618) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff2006f135c90,ffff80002a276678,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80003c3d3cb0,5,ffff80002a276678,0,ffff80002a276730) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003c3d3cb0,ffff80002a2767e0,ffff80002a276730) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a2767e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2767e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf352aaa4c0, 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(ffffffff8350b29a) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff2006cce63f0,2000009b0000,2000009bb000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff2006cce63f0,2000009b0000,2000009c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff2006cce63f0,2000009b0000,2000009c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80003c3d3cb0,2000009b04c0,10000,1,ffff80002a276398) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82092ff0,d02,0,ffffffff82093820,ffff80002a276678) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80002a2764c0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff2005f83ed90,ffff80002a276678,5,fffff200097fd618) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff2006f135c90,ffff80002a276678,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80003c3d3cb0,5,ffff80002a276678,0,ffff80002a276730) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003c3d3cb0,ffff80002a2767e0,ffff80002a276730) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a2767e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2767e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf352aaa4c0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a2760e0 rbx 0xffff80002999ee07 rdx 0 rcx 0xffff80003c3d3cb0 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa30f43be0394eb98 r11 0xeb6e98e760619e1a r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff819edda5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a2760d0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=359099 pid=40853 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3d2558,0xffff80002a2234e0 process=0xffff80003c3d4020 user=0xffff80002a271000, vmspace=0xfffff2006cce63f0 estcpu=36, cpticks=7, pctcpu=0.0, user=0, sys=7, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 38610 254575 2435 0 3 0x1000 0x2000 suspend syz-executor 38610 392747 2435 0 2 0x1000 0x4080080 syz-executor 25253 181254 80418 0 2 0 0 syz-executor 25253 83914 80418 0 3 0 0x4000080 fsleep syz-executor 25253 25869 80418 0 3 0 0x4000080 fsleep syz-executor 11612 270293 69083 60929 3 0x10 0x80 nanoslp syz-executor 11612 43182 69083 60929 3 0x10 0x4000080 fsleep syz-executor 11612 421637 69083 60929 3 0x10 0x4000080 fsleep syz-executor 11612 200445 69083 60929 3 0x10 0x4000080 fsleep syz-executor 74656 1148 10373 0 2 0 0xc80 syz-executor 74656 317789 10373 0 3 0 0x4000080 lockf syz-executor 74656 109272 10373 0 3 0 0x4000080 lockf syz-executor 74656 252504 10373 0 3 0 0x4000080 kqsel syz-executor 74656 14995 10373 0 3 0 0x4000080 fsleep syz-executor 88658 162341 70011 0 2 0 0xc80 syz-executor 88658 142754 70011 0 3 0 0x4000080 bell syz-executor 21158 124776 36605 0 3 0 0x80 nanoslp syz-executor 21158 115178 36605 0 3 0 0x4000080 sbwait syz-executor 21158 489516 36605 0 3 0 0x4000080 fsleep syz-executor 58269 187105 6066 0 2 0x1000 0x2000 syz-executor 40853 145651 73107 0 2 0 0 syz-executor *40853 359099 73107 0 7 0 0x4000000 syz-executor 40853 299075 73107 0 3 0 0x4000080 fsleep syz-executor 40853 18262 73107 0 7 0 0x4000000 syz-executor 18108 232735 1 0 3 0x100003 0x80 ttyin getty 6066 223030 17366 0 3 0x2 0x80 nanoslp syz-executor 2435 426698 17366 0 3 0x2 0x80 nanoslp syz-executor 80418 142915 17366 0 2 0x2 0xc80 syz-executor 36605 346062 17366 0 3 0x2 0x80 nanoslp syz-executor 10373 232818 17366 0 3 0x2 0x80 nanoslp syz-executor 69083 68481 17366 0 2 0x2 0 syz-executor 73107 186480 17366 0 3 0x2 0x80 nanoslp syz-executor 70011 415163 17366 0 2 0x2 0xc80 syz-executor 17366 112008 1 0 3 0x2 0x80 kqread syz-executor 17116 58185 0 0 3 0x14000 0x200 bored smr 51064 360011 0 0 3 0x14000 0x200 pgzero zerothread 17376 240317 0 0 3 0x14000 0x200 aiodoned aiodoned 62741 473620 0 0 3 0x14000 0x200 syncer update 97905 92584 0 0 3 0x14000 0x200 cleaner cleaner 89129 495362 0 0 2 0x14000 0x200 reaper 90548 240578 0 0 3 0x14000 0x200 pgdaemon pagedaemon 33015 436658 0 0 3 0x14000 0x200 bored viomb 29256 304197 0 0 3 0x14000 0x40000200 acpi0 acpi0 11620 56259 0 0 3 0x14000 0x40000200 idle1 6851 435807 0 0 3 0x14000 0x200 bored softnet1 21909 443243 0 0 3 0x14000 0x200 bored softnet0 333 118660 0 0 3 0x14000 0x200 smrbar systqmp 90179 51554 0 0 3 0x14000 0x200 bored systq 48868 510067 0 0 3 0x14000 0x200 tmoslp softclockmp 97427 130749 0 0 3 0x14000 0x40000200 tmoslp softclock 36738 442730 0 0 3 0x14000 0x40000200 idle0 1 31212 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 &cq->cq_mtx r = 0 (0xffffffff8399fe30) #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 clockintr_dispatch+0x401 sys/kern/kern_clockintr.c:215 #3 lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:482 #4 Xresume_lapic_ltimer+0x2a #5 amap_pp_adjref+0x580 sys/uvm/uvm_amap.c:929 #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 40853 (syz-executor) thread 0xffff80003c3d3cb0 (359099) shared rwlock vmmaplk r = 0 (0xfffff2006cce64f0) #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 (0xffffffff83a82180) #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 40853 (syz-executor) thread 0xffff800045fee548 (18262) exclusive rwlock amaplk r = 0 (0xfffff2006f6ae248) #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 Process 333 (systqmp) thread 0xffff800045ffe7c8 (118660) shared rwlock systqmp r = 0 (0xffffffff838f7e88) #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 11039 12014K 12154K 166960K 12205 0 pcb 21 12K 12K 166960K 40 0 rtable 131 4K 6K 166960K 368 0 pf 26 16K 24K 166960K 86 0 ifaddr 23 3K 7K 166960K 47 0 ifgroup 35 1K 2K 166960K 59 0 sysctl 1 1K 9K 166960K 5 0 counters 60 35K 37K 166960K 78 0 ioctlops 0 0K 4K 166960K 1534 0 iov 0 0K 5K 166960K 8 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1289 81K 81K 166960K 1460 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 8 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 17 65K 89K 166960K 287 0 sigio 0 0K 0K 166960K 1 0 proc 24 49K 164K 166960K 569 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 23 0 in_multi 44 2K 6K 166960K 101 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 7 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 404 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 167 87K 177K 166960K 4429 0 UVM aobj 11 2K 2K 166960K 11 0 pinsyscall 20 40K 100K 166960K 1447 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 7 0 NDP 7 0K 2K 166960K 30 0 temp 38 9114K 9158K 166960K 5469 0 kqueue 1 2K 24K 166960K 53 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 50 0 50 1 0 1 1 0 8 1 rtentry 176 111 0 56 5 0 5 5 0 8 0 unpcb 144 101 0 97 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 62 0 27 4 0 4 4 0 8 0 arp 136 18 0 10 1 0 1 1 0 8 0 inpcb 328 212 0 171 4 0 4 4 0 8 0 nd6 152 24 0 15 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 4 0 4 1 0 1 1 0 8 1 pfstscr 40 18 0 18 1 0 1 1 0 8 1 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 3 0 2 1 0 1 1 0 8 0 pfosfp 40 1432 0 1008 5 0 5 5 0 8 0 pfosfpen 112 1432 0 715 21 0 21 21 0 8 0 pfanchor 1288 10 0 1 1 0 1 1 0 8 0 pfstitem 24 37 0 6 1 0 1 1 0 8 0 pfstkey 128 49 0 16 2 0 2 2 0 8 0 pfstate 448 39 0 9 4 0 4 4 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 176 29 0 29 29 0 8 7 art_table 40 454 0 176 5 0 5 5 0 8 0 art_node 32 111 0 51 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semapl 72 5 0 1 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1827 0 351 93 0 93 93 0 8 0 ffsino 296 1827 0 351 115 0 115 115 0 8 0 nchpl 144 2201 0 492 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 1974 0 0 110 0 110 110 0 8 0 namei 1024 6884 0 6884 2 0 2 2 0 8 2 percpumem 16 55 0 9 1 0 1 1 0 8 0 kstatmem 264 31 0 14 2 0 2 2 0 8 0 scxspl 216 9941 0 9941 6 3 3 3 1 8 3 plimitpl 152 58 0 47 1 0 1 1 0 8 0 sigapl 424 605 0 569 7 0 7 7 0 8 1 knotepl 120 278 0 0 9 0 9 9 0 8 0 kqueuepl 224 75 0 73 1 0 1 1 0 8 0 pipepl 344 129 0 101 3 0 3 3 0 8 0 fdescpl 528 589 0 569 3 0 3 3 0 8 0 filepl 160 2412 0 2201 11 0 11 11 0 8 1 lockfpl 104 69 0 65 1 0 1 1 0 8 0 lockfspl 48 28 0 26 1 0 1 1 0 8 0 sessionpl 144 28 0 25 1 0 1 1 0 8 0 pgrppl 48 36 0 25 1 0 1 1 0 8 0 ucredpl 104 313 0 309 1 0 1 1 0 8 0 zombiepl 144 571 0 569 1 0 1 1 0 8 0 processpl 1232 605 0 569 5 0 5 5 0 8 0 procpl 664 832 0 777 6 0 6 6 0 8 1 sockpl 752 366 0 321 5 0 5 5 0 8 0 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 19 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 142 0 0 9 0 9 9 0 8 0 bufpl 272 4742 0 106 310 0 310 310 0 8 0 anonpl 32 5950 0 0 48 0 48 48 0 247 0 amapchunkpl 152 13125 0 12634 26 0 26 26 0 158 5 amappl16 200 2297 0 2115 13 3 10 10 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 432 0 432 1 0 1 1 0 8 1 amappl13 176 127 0 126 1 0 1 1 0 8 0 amappl12 168 906 0 887 2 0 2 2 0 8 0 amappl11 160 27 0 27 1 1 0 1 0 8 0 amappl10 152 61 0 61 1 0 1 1 0 8 1 amappl9 144 277 0 277 1 1 0 1 0 8 0 amappl8 136 115 0 115 1 0 1 1 0 8 1 amappl7 128 157 0 155 1 0 1 1 0 8 0 amappl6 120 157 0 156 1 0 1 1 0 8 0 amappl5 112 104 0 104 1 0 1 1 0 8 1 amappl4 104 309 0 306 1 0 1 1 0 8 0 amappl3 96 2274 0 2196 3 0 3 3 0 8 0 amappl2 88 704 0 677 2 0 2 2 0 8 0 amappl1 80 11046 0 10923 14 0 14 14 0 8 8 amappl 88 3616 0 3467 4 0 4 4 0 92 0 uvmvnodes 80 103 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 589 0 569 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 589 0 569 1 0 1 1 0 8 0 vmmpekpl 168 6651 0 6617 2 0 2 2 0 8 0 vmmpepl 168 47652 0 46557 87 0 87 87 0 357 39 vmsppl 488 588 0 569 5 0 5 5 0 8 1 rwobjpl 80 16581 0 15951 23 0 23 23 0 8 3 pdppl 4096 1185 0 1138 95 48 47 83 0 8 0 pvpl 32 13086 0 0 106 0 106 106 0 265 0 pmappl 256 588 0 569 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 582 0 51 16 0 16 16 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8399eff0) 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(ffffffff83a81980) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a81980) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 uvm_pagedequeue(fffff20008156e80) at uvm_pagedequeue+0x1d1 _atomic_dec_int sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:155 [inline] uvm_pagedequeue(fffff20008156e80) at uvm_pagedequeue+0x1d1 sys/uvm/uvm_page.c:1290 uvm_pageclean(fffff20008156e80) at uvm_pageclean+0x2ad sys/uvm/uvm_page.c:938 uvm_pagefree(fffff20008156e80) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:977 uvm_anfree(fffff2006fc4fba8) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wiperange_chunk(fffff2006cece598,fffff200646c8a20,77,389) at amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 amap_wiperange(fffff2006cece598,77,389) at amap_wiperange+0x4b4 sys/uvm/uvm_amap.c:1035 amap_pp_adjref(fffff2006cece598,77,389,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 end trace frame: 0xffff80003c3eef20, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8399eff0) 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(ffffffff83a81980) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a81980) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 uvm_pagedequeue(fffff20008156e80) at uvm_pagedequeue+0x1d1 _atomic_dec_int sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:155 [inline] uvm_pagedequeue(fffff20008156e80) at uvm_pagedequeue+0x1d1 sys/uvm/uvm_page.c:1290 uvm_pageclean(fffff20008156e80) at uvm_pageclean+0x2ad sys/uvm/uvm_page.c:938 uvm_pagefree(fffff20008156e80) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:977 uvm_anfree(fffff2006fc4fba8) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wiperange_chunk(fffff2006cece598,fffff200646c8a20,77,389) at amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 amap_wiperange(fffff2006cece598,77,389) at amap_wiperange+0x4b4 sys/uvm/uvm_amap.c:1035 amap_pp_adjref(fffff2006cece598,77,389,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 amap_adjref_anons(fffff2006cece598,77,389,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1299 uvm_unmap_detach(ffff80003c3eefa0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 sys_munmap(ffff800045fee548,ffff80003c3ef0e0,ffff80003c3ef030) at sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 syscall(ffff80003c3ef0e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ef0e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf327eed820, count: -19 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(ffffffff8350b29a) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff2006cce63f0,2000009b0000,2000009bb000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff2006cce63f0,2000009b0000,2000009c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff2006cce63f0,2000009b0000,2000009c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80003c3d3cb0,2000009b04c0,10000,1,ffff80002a276398) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff82092ff0,d02,0,ffffffff82093820,ffff80002a276678) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff80002a2764c0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff2005f83ed90,ffff80002a276678,5,fffff200097fd618) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff2006f135c90,ffff80002a276678,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80003c3d3cb0,5,ffff80002a276678,0,ffff80002a276730) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003c3d3cb0,ffff80002a2767e0,ffff80002a276730) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a2767e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2767e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf352aaa4c0, count: 2 ddb{1}>