panic: kernel diagnostic assertion "!ISSET(p->p_flag, P_WSLEEP) || p->p_stat == SSTOP" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_sched.c", line 267 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *363747 15990 0 0 0 0K syz-executor.5 395858 28162 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827964ff) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff82817276,ffffffff82825014,10b,ffffffff82844fee) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffff800020d58ff0,ffff8000211d8b18,4e) at setrunqueue+0x2e5 sys/kern/kern_sched.c:265 schedcpu(ffffffff82d3fba8) at schedcpu+0x28b sys/kern/sched_bsd.c:236 timeout_run(ffffffff82d3fba8) at timeout_run+0xd0 sys/kern/kern_timeout.c:638 softclock_process_tick_timeout(ffffffff82d3fba8,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:708 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x75bed8a58700, count: 5 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 "!ISSET(p->p_flag, P_WSLEEP) || p->p_stat == SSTOP" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_sched.c", line 267 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827964ff) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff82817276,ffffffff82825014,10b,ffffffff82844fee) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffff800020d58ff0,ffff8000211d8b18,4e) at setrunqueue+0x2e5 sys/kern/kern_sched.c:265 schedcpu(ffffffff82d3fba8) at schedcpu+0x28b sys/kern/sched_bsd.c:236 timeout_run(ffffffff82d3fba8) at timeout_run+0xd0 sys/kern/kern_timeout.c:638 softclock_process_tick_timeout(ffffffff82d3fba8,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:708 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x75bed8a58700, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e43b9a0 rbx 0xffffffff82bf4b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff8000211d98b0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3a3071f697d2cdbf r11 0xac488e8f942b4e97 r12 0xffffffff82bf4990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff8198e70c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e43b990 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.5) pid=363747 stat=onproc flags process=0 proc=0 pri=81, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff8000211d8b18,0xffff8000211d8048 process=0xffff80002126dd68 user=0xffff80002e436000, vmspace=0xfffffd806697bcd0 estcpu=27, cpticks=0, pctcpu=1.2 user=0, sys=0, intr=101 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 85534 251153 27125 0 2 0 syz-executor.3 85534 428809 27125 0 3 0x4000080 fsleep syz-executor.3 40123 196508 95941 0 2 0x480 syz-executor.4 40123 315752 95941 0 3 0x4000080 fsleep syz-executor.4 40123 146236 95941 0 3 0x4000080 fsleep syz-executor.4 *15990 363747 6823 0 7 0 syz-executor.5 15990 113994 6823 0 2 0x4000000 syz-executor.5 61193 343088 1889 0 3 0x3800 suspend syz-executor.0 61193 305665 1889 0 2 0x40818a0 syz-executor.0 86667 497550 42105 60928 2 0x10 syz-executor.1 86667 449530 42105 60928 3 0x4000090 fsleep syz-executor.1 86667 36951 42105 60928 3 0x4000090 fsleep syz-executor.1 86667 287535 42105 60928 2 0x4000010 syz-executor.1 86667 298150 42105 60928 2 0x4000010 syz-executor.1 71854 111676 29273 0 2 0 syz-executor.7 71854 499403 29273 0 3 0x4000080 fsleep syz-executor.7 18829 120416 0 0 3 0x14280 nfsidl nfsio 85814 12486 0 0 3 0x14280 nfsidl nfsio 52886 244569 0 0 3 0x14280 nfsidl nfsio 99470 93831 0 0 3 0x14280 nfsidl nfsio 61906 268565 0 0 3 0x14280 nfsidl nfsio 70691 210282 0 0 3 0x14280 nfsidl nfsio 45230 396396 0 0 3 0x14280 nfsidl nfsio 55416 119504 0 0 3 0x14280 nfsidl nfsio 78127 312374 0 0 3 0x14280 nfsidl nfsio 96966 176023 0 0 3 0x14280 nfsidl nfsio 12373 81349 0 0 3 0x14280 nfsidl nfsio 63089 42212 0 0 3 0x14280 nfsidl nfsio 53580 59666 0 0 3 0x14280 nfsidl nfsio 98068 439571 0 0 3 0x14280 nfsidl nfsio 38237 66166 0 0 3 0x14280 nfsidl nfsio 56605 399198 0 0 3 0x14280 nfsidl nfsio 73012 433091 0 0 3 0x14280 nfsidl nfsio 62187 259062 0 0 3 0x14280 nfsidl nfsio 72807 406095 0 0 3 0x14280 nfsidl nfsio 4079 462535 0 0 3 0x14280 nfsidl nfsio 1123 520747 0 0 3 0x14200 acct acct 94695 422989 0 0 3 0x14200 bored sosplice 29273 416827 8325 0 2 0x482 syz-executor.7 82746 65756 8325 0 2 0x482 syz-executor.6 6823 221777 8325 0 3 0x82 nanoslp syz-executor.5 95941 360156 8325 0 3 0x82 nanoslp syz-executor.4 34070 131706 8325 0 2 0x482 syz-executor.2 27125 430976 8325 0 2 0x482 syz-executor.3 42105 60513 8325 0 2 0x482 syz-executor.1 1889 305286 8325 0 2 0x482 syz-executor.0 8325 107830 36308 0 3 0x82 thrsleep syz-fuzzer 8325 356773 36308 0 2 0x4000482 syz-fuzzer 8325 111483 36308 0 3 0x4000082 wait syz-fuzzer 8325 310093 36308 0 3 0x4000082 thrsleep syz-fuzzer 8325 371816 36308 0 3 0x4000082 wait syz-fuzzer 8325 88035 36308 0 3 0x4000082 wait syz-fuzzer 8325 274260 36308 0 3 0x4000082 wait syz-fuzzer 8325 47021 36308 0 3 0x4000082 wait syz-fuzzer 8325 498742 36308 0 3 0x4000082 wait syz-fuzzer 8325 202200 36308 0 3 0x4000082 thrsleep syz-fuzzer 8325 505684 36308 0 3 0x4000082 thrsleep syz-fuzzer 8325 433619 36308 0 3 0x4000082 wait syz-fuzzer 8325 4022 36308 0 3 0x4000082 wait syz-fuzzer 8325 468925 36308 0 2 0x4000482 syz-fuzzer 8325 206050 36308 0 3 0x4000082 thrsleep syz-fuzzer 8325 496229 36308 0 3 0x4000082 thrsleep syz-fuzzer 36308 516401 1519 0 3 0x10008a sigsusp ksh 1519 169566 22523 0 3 0x9a kqread sshd 66865 523875 1 0 3 0x100083 ttyin getty 22523 380677 1 0 3 0x88 kqread sshd 5223 487783 98132 74 2 0x1100492 pflogd 98132 214326 1 0 3 0x80 netio pflogd 72164 283973 26261 73 3 0x1100090 kqread syslogd 26261 205066 1 0 3 0x100082 netio syslogd 51219 470950 1 0 3 0x100080 kqread resolvd 85111 459755 28465 77 3 0x100092 kqread dhcpleased 91975 142007 28465 77 3 0x100092 kqread dhcpleased 28465 150890 1 0 3 0x80 kqread dhcpleased 41311 489611 0 0 2 0x14200 smr 91940 470705 0 0 2 0x14200 zerothread 57165 289047 0 0 3 0x14200 aiodoned aiodoned 34482 21278 0 0 3 0x14200 syncer update 67856 77700 0 0 3 0x14200 cleaner cleaner 28162 395858 0 0 7 0x14200 reaper 5428 176827 0 0 3 0x14200 pgdaemon pagedaemon 65080 457896 0 0 3 0x14200 bored viomb 82638 253233 0 0 3 0x40014200 acpi0 acpi0 94021 167621 0 0 3 0x40014200 idle1 85949 230078 0 0 3 0x14200 bored softnet3 80932 374387 0 0 3 0x14200 bored softnet2 25992 203220 0 0 2 0x14200 softnet1 98157 269658 0 0 3 0x14200 bored softnet0 86856 254882 0 0 3 0x14200 bored systqmp 84711 365127 0 0 3 0x14200 bored systq 80398 292780 0 0 3 0x40014200 bored softclock 97875 64614 0 0 3 0x40014200 idle0 1 266095 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive sched_lock &sched_lock r = 0 (0xffffffff82d3fb60) #0 witness_lock+0x447 #1 schedcpu+0x119 sys/kern/sched_bsd.c:219 #2 timeout_run+0xd0 sys/kern/kern_timeout.c:638 #3 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 #4 softclock+0x130 sys/kern/kern_timeout.c:708 #5 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #6 Xsoftclock+0x27 shared mutex timeout r = 0 (0xffffffff82b9d148) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:634 #2 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 #3 softclock+0x130 sys/kern/kern_timeout.c:708 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 CPU 1: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff82d3a8d0) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 uvm_pmr_freepages+0x10c sys/uvm/uvm_pmemrange.c:1289 #4 pmap_do_remove+0x676 sys/arch/amd64/amd64/pmap.c:1909 #5 uvm_unmap_kill_entry_withlock+0x1b0 sys/uvm/uvm_map.c:1928 #6 uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #6 uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2565 #7 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3503 #8 reaper+0x19a sys/kern/kern_exit.c:449 #9 proc_trampoline+0x1c Process 15990 (syz-executor.5) thread 0xffff8000211d98b0 (363747) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c49c88) #0 witness_lock+0x447 #1 softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 #2 Xsoftclock+0x27 exclusive sched_lock &sched_lock r = 0 (0xffffffff82d3fb60) #0 witness_lock+0x447 #1 schedcpu+0x119 sys/kern/sched_bsd.c:219 #2 timeout_run+0xd0 sys/kern/kern_timeout.c:638 #3 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 #4 softclock+0x130 sys/kern/kern_timeout.c:708 #5 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #6 Xsoftclock+0x27 shared mutex timeout r = 0 (0xffffffff82b9d148) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:634 #2 softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 #3 softclock+0x130 sys/kern/kern_timeout.c:708 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 Process 28162 (reaper) thread 0xffff8000211ad5c8 (395858) exclusive rwlock vmmaplk r = 0 (0xfffffd806b51ebf0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5345 #3 uvm_map_teardown+0x85 sys/uvm/uvm_map.c:2533 #4 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3503 #5 reaper+0x19a sys/kern/kern_exit.c:449 #6 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10213 6623K 6937K 78643K 13350 0 pcb 13 12K 13K 78643K 98 0 rtable 238 6K 7K 78643K 371 0 pf 32 9K 10K 78643K 130 0 ifaddr 45 15K 16K 78643K 84 0 ifgroup 55 2K 2K 78643K 202 0 counters 60 35K 36K 78643K 126 0 ioctlops 0 0K 4K 78643K 1501 0 iov 0 0K 16K 78643K 101 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1346 84K 85K 78643K 2033 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 28 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 112 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 78K 78643K 1891 0 sigio 1 0K 0K 78643K 29 0 proc 68 91K 115K 78643K 616 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 92 0 in_multi 99 7K 7K 78643K 115 0 ether_multi 1 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 139 625K 625K 78643K 139 0 exec 0 0K 1K 78643K 590 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 367 88K 96K 78643K 20966 0 UVM aobj 131 4K 4K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 33 0 NDP 12 0K 1K 78643K 61 0 temp 74 5872K 5936K 78643K 8625 0 kqueue 12 18K 24K 78643K 144 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 54 0 51 1 0 1 1 0 8 0 rtentry 112 117 0 5 4 0 4 4 0 8 0 unpcb 144 5597 0 5580 22 15 7 9 0 8 6 syncache 296 10 0 10 3 3 0 1 0 8 0 tcpqe 32 136 0 136 2 2 0 1 0 8 0 tcpcb 808 200 0 196 7 6 1 7 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 368 2510 0 2503 26 19 7 16 0 8 6 nd6 136 26 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1256 3 0 3 1 1 0 1 0 8 0 pffrag 232 13 0 8 1 0 1 1 0 482 0 pffrnode 88 13 0 8 1 0 1 1 0 8 0 pffrent 40 38 0 33 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 pfstitem 24 49 0 35 1 0 1 1 0 8 0 pfstkey 128 49 0 35 1 0 1 1 0 8 0 pfstate 376 49 0 35 3 1 2 3 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 256 456 0 0 29 0 29 29 0 8 0 art_table 32 457 0 0 4 0 4 4 0 8 0 art_node 16 112 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 6 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 107 0 97 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3836 0 2393 91 0 91 91 0 8 0 ffsino 272 3836 0 2393 97 0 97 97 0 8 0 nchpl 144 6596 0 4906 63 0 63 63 0 8 0 uvmvnodes 80 4416 0 0 91 0 91 91 0 8 0 vnodes 216 4416 0 0 246 0 246 246 0 8 0 namei 1024 20984 0 20984 3 2 1 2 0 8 1 percpumem 16 76 0 33 1 0 1 1 0 8 0 kstatmem 264 90 0 66 2 0 2 2 0 8 0 scxspl 216 19557 0 19557 14 13 1 8 0 8 1 plimitpl 152 102 0 85 1 0 1 1 0 8 0 sigapl 424 2264 0 2194 9 1 8 8 0 8 0 futexpl 64 15512 0 15505 1 0 1 1 0 8 0 knotepl 120 121 0 0 4 0 4 4 0 8 0 kqueuepl 216 373 0 365 7 5 2 5 0 8 1 pipepl 320 840 0 812 31 25 6 11 0 8 3 fdescpl 496 2185 0 2156 5 0 5 5 0 8 0 filepl 152 17164 0 16919 52 34 18 26 0 8 5 lockfpl 104 418 0 415 1 0 1 1 0 8 0 lockfspl 48 196 0 193 1 0 1 1 0 8 0 sessionpl 144 24 0 7 1 0 1 1 0 8 0 pgrppl 48 31 0 14 1 0 1 1 0 8 0 ucredpl 104 1561 0 1547 1 0 1 1 0 8 0 zombiepl 144 2196 0 2194 1 0 1 1 0 8 0 processpl 1072 2264 0 2194 5 0 5 5 0 8 0 procpl 696 5557 0 5462 12 2 10 10 0 8 1 sosppl 168 18 0 18 3 3 0 1 0 8 0 sockpl 488 8165 0 8138 212 185 27 49 0 8 22 mcl64k 65536 16 0 0 2 0 2 2 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 9 0 0 1 0 1 1 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 482 0 0 60 0 60 60 0 8 0 mtagpl 96 195 0 0 5 0 5 5 0 8 0 mbufpl 256 1046 0 0 64 0 64 64 0 8 0 bufpl 288 6779 0 462 452 0 452 452 0 8 0 anonpl 24 376696 0 363800 130 27 103 103 0 186 19 amapchunkpl 152 67342 0 66413 47 9 38 41 0 158 1 amappl16 200 10341 0 9994 52 25 27 31 0 8 8 amappl15 192 14 0 13 1 0 1 1 0 8 0 amappl14 184 162 0 148 2 1 1 2 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 2842 0 2810 3 1 2 2 0 8 0 amappl11 160 77 0 61 1 0 1 1 0 8 0 amappl10 152 33 0 23 1 0 1 1 0 8 0 amappl9 144 217 0 216 2 1 1 2 0 8 0 amappl8 136 258 0 184 3 0 3 3 0 8 0 amappl7 128 107 0 87 1 0 1 1 0 8 0 amappl6 120 258 0 242 2 1 1 2 0 8 0 amappl5 112 185 0 176 1 0 1 1 0 8 0 amappl4 104 697 0 654 3 1 2 3 0 8 0 amappl3 96 13273 0 13173 4 1 3 3 0 8 0 amappl2 88 2441 0 2376 3 1 2 3 0 8 0 amappl1 80 16107 0 15552 23 10 13 23 0 8 0 amappl 88 20377 0 20138 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 2185 0 2156 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2185 0 2156 1 0 1 1 0 8 0 vmmpekpl 168 23519 0 23464 3 0 3 3 0 8 0 vmmpepl 168 149427 0 147075 145 33 112 116 0 357 7 vmsppl 464 2184 0 2155 5 0 5 5 0 8 0 rwobjpl 56 49353 0 43338 87 1 86 86 0 8 0 pdppl 4096 4378 0 4310 166 96 70 78 0 8 2 pvpl 32 845685 0 826822 423 234 189 349 0 265 33 pmappl 248 2184 0 2155 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1012 0 126 26 0 26 26 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(ffffffff827964ff) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff82817276,ffffffff82825014,10b,ffffffff82844fee) at __assert+0x29 sys/kern/subr_prf.c:157 setrunqueue(ffff800020d58ff0,ffff8000211d8b18,4e) at setrunqueue+0x2e5 sys/kern/kern_sched.c:265 schedcpu(ffffffff82d3fba8) at schedcpu+0x28b sys/kern/sched_bsd.c:236 timeout_run(ffffffff82d3fba8) at timeout_run+0xd0 sys/kern/kern_timeout.c:638 softclock_process_tick_timeout(ffffffff82d3fba8,0) at softclock_process_tick_timeout+0x1b0 sys/kern/kern_timeout.c:685 softclock(0) at softclock+0x130 sys/kern/kern_timeout.c:708 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x75bed8a58700, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d58ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x29 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x29 sys/dev/kcov.c:148 __mp_lock(ffffffff82d3f958) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d3f958) at __mp_lock+0x133 sys/kern/kern_lock.c:147 wakeup_n(ffffffff82d3a728,ffffffff) at wakeup_n+0x37 sys/kern/kern_synch.c:538 uvm_pmr_freepages(fffffd80073d9e00,1) at uvm_pmr_freepages+0x2ce sys/uvm/uvm_pmemrange.c:1303 pmap_do_remove(fffffd80757aeab8,1b2d220000,1b2d260000,0) at pmap_do_remove+0x676 sys/arch/amd64/amd64/pmap.c:1909 uvm_unmap_kill_entry_withlock(fffffd806b51eaf8,fffffd806ba02648,0) at uvm_unmap_kill_entry_withlock+0x1b0 sys/uvm/uvm_map.c:1928 uvm_map_teardown(fffffd806b51eaf8) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806b51eaf8) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2565 uvmspace_free(fffffd806b51eaf8) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3503 reaper(ffff8000211ad5c8) at reaper+0x19a sys/kern/kern_exit.c:449 end trace frame: 0x0, count: 3 ddb{1}> trace x86_ipi_db(ffff800020d58ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x29 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x29 sys/dev/kcov.c:148 __mp_lock(ffffffff82d3f958) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d3f958) at __mp_lock+0x133 sys/kern/kern_lock.c:147 wakeup_n(ffffffff82d3a728,ffffffff) at wakeup_n+0x37 sys/kern/kern_synch.c:538 uvm_pmr_freepages(fffffd80073d9e00,1) at uvm_pmr_freepages+0x2ce sys/uvm/uvm_pmemrange.c:1303 pmap_do_remove(fffffd80757aeab8,1b2d220000,1b2d260000,0) at pmap_do_remove+0x676 sys/arch/amd64/amd64/pmap.c:1909 uvm_unmap_kill_entry_withlock(fffffd806b51eaf8,fffffd806ba02648,0) at uvm_unmap_kill_entry_withlock+0x1b0 sys/uvm/uvm_map.c:1928 uvm_map_teardown(fffffd806b51eaf8) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806b51eaf8) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2565 uvmspace_free(fffffd806b51eaf8) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3503 reaper(ffff8000211ad5c8) at reaper+0x19a sys/kern/kern_exit.c:449 end trace frame: 0x0, count: -12