panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *418531 17579 60929 0x10 0x4000000 1K syz-executor 402749 17579 60929 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8351dfc5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff0006fbb2b78,2000006f0000,2000006f2000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff0006fbb2b78,2000006f0000,200000701000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff0006fbb2b78,2000006f0000,200000701000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80002a22c2a8,2000006f04c0,10000,1,ffff800038ba9e98) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff832a6300,d02,0,ffffffff832a6b30,ffff800038baa178) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff800038ba9fc0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff0006d4391d8,ffff800038baa178,5,fffff000097fd208) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff0006d946028,ffff800038baa178,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002a22c2a8,7,ffff800038baa178,0,ffff800038baa230) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a22c2a8,ffff800038baa2e0,ffff800038baa230) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800038baa2e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038baa2e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e341812b60, 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(ffffffff8351dfc5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff0006fbb2b78,2000006f0000,2000006f2000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff0006fbb2b78,2000006f0000,200000701000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff0006fbb2b78,2000006f0000,200000701000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80002a22c2a8,2000006f04c0,10000,1,ffff800038ba9e98) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff832a6300,d02,0,ffffffff832a6b30,ffff800038baa178) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff800038ba9fc0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff0006d4391d8,ffff800038baa178,5,fffff000097fd208) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff0006d946028,ffff800038baa178,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002a22c2a8,7,ffff800038baa178,0,ffff800038baa230) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a22c2a8,ffff800038baa2e0,ffff800038baa230) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800038baa2e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038baa2e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e341812b60, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800038ba9be0 rbx 0xffff80002999ee0f rdx 0xffff800001642d00 rcx 0xffff80002a22c2a8 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe1b663924c45dc86 r11 0xbe567e9f2ee52373 r12 0xffff80002999ec10 r13 0 r14 0 r15 0x1 rip 0xffffffff81d933b5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800038ba9bd0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=418531 pid=17579 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=81, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a7abcb0,0xffff80002a22c020 process=0xffff800045ff4008 user=0xffff800038ba5000, vmspace=0xfffff0006fbb2b78 estcpu=31, cpticks=10, pctcpu=0.0, user=0, sys=10, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 17579 413884 77101 60929 3 0x10 0x80 nanoslp syz-executor *17579 418531 77101 60929 7 0x10 0x4000000 syz-executor 17579 402749 77101 60929 7 0x10 0x4000000 syz-executor 17579 67963 77101 60929 3 0x10 0x4000080 fsleep syz-executor 90608 58859 44556 0 3 0x2 0x80 piperd syz-executor 68403 141300 44556 0 3 0x2 0x80 piperd syz-executor 36035 99815 44556 0 3 0x2 0x80 piperd syz-executor 44412 226048 44556 0 3 0x2 0x80 piperd syz-executor 77101 467125 44556 0 3 0x2 0x80 nanoslp syz-executor 52774 67799 44556 0 3 0x2 0x80 piperd syz-executor 59120 510514 1 0 3 0x100003 0x80 ttyin getty 30749 297088 44556 0 3 0x2 0x80 piperd syz-executor 44556 349717 1 0 3 0x2 0x80 wait syz-executor 75831 33226 26273 0 3 0x10 0x88 kqread sshd-session 26273 422223 1 0 3 0x12 0x80 kqread sshd-session 88629 464849 1 74 3 0x1100012 0x80 bpf pflogd 41120 467536 1 73 3 0x1100010 0x80 kqread syslogd 62932 58601 0 0 3 0x14000 0x200 bored smr 26141 172615 0 0 2 0x14000 0x200 zerothread 91220 11625 0 0 3 0x14000 0x200 aiodoned aiodoned 56648 63132 0 0 3 0x14000 0x200 syncer update 50196 107340 0 0 3 0x14000 0x200 cleaner cleaner 81056 399718 0 0 3 0x14000 0x200 reaper reaper 20787 464617 0 0 3 0x14000 0x200 pgdaemon pagedaemon 47883 329549 0 0 3 0x14000 0x200 bored viomb 55395 253219 0 0 3 0x14000 0x40000200 acpi0 acpi0 62245 165849 0 0 3 0x14000 0x40000200 idle1 84321 100738 0 0 3 0x14000 0x200 bored softnet1 7925 11498 0 0 3 0x14000 0x200 bored softnet0 66907 36567 0 0 3 0x14000 0x200 smrbar systqmp 71912 258769 0 0 3 0x14000 0x200 bored systq 83556 45086 0 0 3 0x14000 0x200 tmoslp softclockmp 84494 80659 0 0 3 0x14000 0x40000200 tmoslp softclock 23335 35927 0 0 3 0x14000 0x40000200 idle0 1 126133 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 (0xffffffff83b2aff8) #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_wipeout+0x1d6 sys/uvm/uvm_amap.c:-1 #5 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 #6 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #8 Xsyscall+0x128 Process 17579 (syz-executor) thread 0xffff80002a22c2a8 (418531) shared rwlock vmmaplk r = 0 (0xfffff0006fbb2c78) #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 (0xffffffff83b39140) #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 17579 (syz-executor) thread 0xffff80002a22c010 (402749) uvm_fault(0xfffff0006fbb2b78, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11050 12081K 12280K 166960K 12366 0 pcb 17 15K 16K 166960K 132 0 rtable 225 7K 7K 166960K 744 0 pf 33 17K 21K 166960K 87 0 ifaddr 39 6K 7K 166960K 98 0 ifgroup 51 2K 2K 166960K 109 0 sysctl 1 1K 9K 166960K 5 0 counters 68 36K 37K 166960K 100 0 ioctlops 0 0K 4K 166960K 1541 0 iov 0 0K 12K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1417 89K 89K 166960K 1926 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 8 0K 1K 166960K 15 0 dirhash 15 2K 2K 166960K 18 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 11 37K 85K 166960K 455 0 proc 20 33K 164K 166960K 918 0 subproc 72 4K 4K 166960K 180 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 20 0 in_multi 88 5K 6K 166960K 231 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 549 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 123 107K 176K 166960K 5206 0 UVM aobj 6 2K 2K 166960K 7 0 pinsyscall 21 42K 100K 166960K 1930 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 13 0 NDP 15 0K 2K 166960K 67 0 temp 39 9118K 9138K 166960K 13295 0 kqueue 5 8K 22K 166960K 55 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 62 0 62 1 0 1 1 0 8 1 rtentry 176 246 0 146 6 1 5 6 0 8 0 unpcb 144 228 0 218 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 36 0 34 1 0 1 1 0 8 0 arp 136 42 0 26 1 0 1 1 0 8 0 inpcb 328 352 0 349 7 4 3 7 0 8 2 nd6 152 60 0 39 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 20 0 12 1 0 1 1 0 8 0 ppxss 1192 3 0 3 1 0 1 1 0 8 1 pfstscr 40 5 0 3 1 0 1 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 1 1 0 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 pfrktable 1344 4 0 4 1 0 1 1 0 8 1 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 42 0 0 1 0 1 1 0 8 0 pfstkey 128 45 0 3 2 0 2 2 0 8 0 pfstate 448 43 0 2 5 0 5 5 0 8 0 pfrule 1360 26 0 21 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1017 0 606 31 3 28 31 0 8 2 art_table 40 1019 0 606 5 0 5 5 0 8 0 art_node 32 245 0 153 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 72 12 0 6 1 0 1 1 0 8 0 shmpl 120 3 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 2 3 0 3 3 0 8 0 dino2pl 256 1898 0 403 94 0 94 94 0 8 0 ffsino 296 1898 0 403 116 0 116 116 0 8 0 nchpl 144 2292 0 554 65 0 65 65 0 8 0 vnodes 216 2447 0 0 136 0 136 136 0 8 0 namei 1024 9752 0 9752 3 2 1 2 0 8 1 percpumem 16 66 0 16 1 0 1 1 0 8 0 vcpupl 3968 7 0 7 1 0 1 1 0 8 1 vmpool 848 1 0 1 1 0 1 1 0 8 1 kstatmem 264 57 0 32 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 8380 0 8380 5 3 2 3 1 8 2 plimitpl 152 156 0 142 1 0 1 1 0 8 0 sigapl 424 750 0 717 7 1 6 7 0 8 0 knotepl 120 289 0 0 9 0 9 9 0 8 0 kqueuepl 224 55 0 51 1 0 1 1 0 8 0 pipepl 344 167 0 140 3 0 3 3 0 8 0 fdescpl 528 734 0 717 3 0 3 3 0 8 0 filepl 160 3537 0 3350 13 1 12 13 0 8 2 lockfpl 104 496 0 494 2 0 2 2 0 8 1 lockfspl 48 225 0 223 1 0 1 1 0 8 0 sessionpl 144 38 0 32 1 0 1 1 0 8 0 pgrppl 48 58 0 44 1 0 1 1 0 8 0 ucredpl 104 418 0 408 1 0 1 1 0 8 0 zombiepl 144 718 0 717 1 0 1 1 0 8 0 processpl 1240 750 0 717 5 0 5 5 0 8 0 procpl 664 1013 0 977 6 1 5 6 0 8 0 sockpl 752 650 0 637 10 4 6 10 0 8 4 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 115 0 0 15 0 15 15 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 17 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 270 0 0 17 0 17 17 0 8 0 bufpl 272 3100 0 108 200 0 200 200 0 8 0 anonpl 32 3741 0 0 31 0 31 31 0 247 0 amapchunkpl 152 15214 0 14958 24 2 22 24 0 158 5 amappl16 200 1876 0 1852 8 1 7 7 0 8 4 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 576 0 576 1 0 1 1 0 8 1 amappl13 176 150 0 145 1 0 1 1 0 8 0 amappl12 168 1047 0 1031 2 0 2 2 0 8 0 amappl11 160 19 0 19 1 1 0 1 0 8 0 amappl10 152 66 0 62 1 0 1 1 0 8 0 amappl9 144 272 0 272 1 1 0 1 0 8 0 amappl8 136 147 0 145 1 0 1 1 0 8 0 amappl7 128 174 0 167 1 0 1 1 0 8 0 amappl6 120 281 0 280 1 0 1 1 0 8 0 amappl5 112 98 0 94 1 0 1 1 0 8 0 amappl4 104 326 0 318 1 0 1 1 0 8 0 amappl3 96 2779 0 2734 3 0 3 3 0 8 0 amappl2 88 810 0 769 2 0 2 2 0 8 0 amappl1 80 12675 0 12369 14 2 12 14 0 8 0 amappl 88 4253 0 4162 4 0 4 4 0 92 0 uvmvnodes 80 102 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 128 254 0 254 2 1 1 1 0 8 1 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 6 0 1 1 0 1 1 0 8 0 uaddrrnd 24 734 0 717 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 734 0 717 1 0 1 1 0 8 0 vmmpekpl 168 7821 0 7766 4 0 4 4 0 8 0 vmmpepl 168 56014 0 55038 86 4 82 86 0 357 23 vmsppl 488 733 0 717 5 1 4 5 0 8 0 rwobjpl 80 18762 0 18172 23 1 22 23 0 8 0 pdppl 4096 1477 0 1436 103 46 57 83 0 8 16 pvpl 32 9122 0 0 74 0 74 74 0 265 0 pmappl 256 734 0 718 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 489 0 55 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff839d5ff0) 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(0,0) at __sanitizer_cov_trace_const_cmp4+0x35 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x35 sys/dev/kcov.c:230 mtx_leave(ffffffff83acc070) at mtx_leave+0x5a sys/kern/kern_lock.c:-1 wakeup_n(ffffffff83b2ae5c,ffffffff) at wakeup_n+0x32e sys/kern/kern_synch.c:606 uvm_pmr_freepages(fffff00009221fd0,1) at uvm_pmr_freepages+0x442 sys/uvm/uvm_pmemrange.c:1334 uvm_anfree(fffff0006f025730) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wipeout(fffff00078e66be8) at amap_wipeout+0x1d6 sys/uvm/uvm_amap.c:-1 uvm_unmap_detach(ffff80003779a500,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 sys_munmap(ffff80002a22c010,ffff80003779a640,ffff80003779a590) at sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 syscall(ffff80003779a640) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003779a640) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e3d52a53f0, count: 2 ddb{0}> trace x86_ipi_db(ffffffff839d5ff0) 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(0,0) at __sanitizer_cov_trace_const_cmp4+0x35 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_const_cmp4(0,0) at __sanitizer_cov_trace_const_cmp4+0x35 sys/dev/kcov.c:230 mtx_leave(ffffffff83acc070) at mtx_leave+0x5a sys/kern/kern_lock.c:-1 wakeup_n(ffffffff83b2ae5c,ffffffff) at wakeup_n+0x32e sys/kern/kern_synch.c:606 uvm_pmr_freepages(fffff00009221fd0,1) at uvm_pmr_freepages+0x442 sys/uvm/uvm_pmemrange.c:1334 uvm_anfree(fffff0006f025730) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wipeout(fffff00078e66be8) at amap_wipeout+0x1d6 sys/uvm/uvm_amap.c:-1 uvm_unmap_detach(ffff80003779a500,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 sys_munmap(ffff80002a22c010,ffff80003779a640,ffff80003779a590) at sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 syscall(ffff80003779a640) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003779a640) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e3d52a53f0, count: -13 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(ffffffff8351dfc5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff0006fbb2b78,2000006f0000,2000006f2000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff0006fbb2b78,2000006f0000,200000701000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff0006fbb2b78,2000006f0000,200000701000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80002a22c2a8,2000006f04c0,10000,1,ffff800038ba9e98) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff832a6300,d02,0,ffffffff832a6b30,ffff800038baa178) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff800038ba9fc0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff0006d4391d8,ffff800038baa178,5,fffff000097fd208) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff0006d946028,ffff800038baa178,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002a22c2a8,7,ffff800038baa178,0,ffff800038baa230) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a22c2a8,ffff800038baa2e0,ffff800038baa230) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800038baa2e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038baa2e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e341812b60, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8351dfc5) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffff0006fbb2b78,2000006f0000,2000006f2000) at uvm_fault_unwire_locked+0x4be uvm_fault_wire(fffff0006fbb2b78,2000006f0000,200000701000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1724 [inline] uvm_fault_wire(fffff0006fbb2b78,2000006f0000,200000701000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1706 uvm_vslock_device(ffff80002a22c2a8,2000006f04c0,10000,1,ffff800038ba9e98) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff832a6300,d02,0,ffffffff832a6b30,ffff800038baa178) at physio+0x257 sys/kern/kern_physio.c:139 spec_write(ffff800038ba9fc0) at spec_write+0x11f sys/kern/spec_vnops.c:302 VOP_WRITE(fffff0006d4391d8,ffff800038baa178,5,fffff000097fd208) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffff0006d946028,ffff800038baa178,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:414 dofilewritev(ffff80002a22c2a8,7,ffff800038baa178,0,ffff800038baa230) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a22c2a8,ffff800038baa2e0,ffff800038baa230) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800038baa2e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038baa2e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2e341812b60, count: -13