panic: kernel diagnostic assertion "__mp_lock_held(&sched_lock, curcpu()) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_lock.c", line 63 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 170352 7640 32767 0x10 0 0 syz-executor.6 * 8703 57677 32767 0x1810 0x4080080 1 syz-executor.3 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259bd82) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff8261504d,ffffffff8261b5a3,3f,ffffffff8264d4fb) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000fffe4540,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000fffe4540,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff800024baffa0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff800024baffa0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000fffe4540,ffffffff82957750,120,ffffffff82595e88,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(41b5b20c7a0,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000fffe4540,ffff800024bb0130,ffff800024bb0190) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800024bb0200) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024bb0200) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41ba152cc90, count: 3 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: kernel diagnostic assertion "__mp_lock_held(&sched_lock, curcpu()) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_lock.c", line 63 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259bd82) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff8261504d,ffffffff8261b5a3,3f,ffffffff8264d4fb) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000fffe4540,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000fffe4540,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff800024baffa0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff800024baffa0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000fffe4540,ffffffff82957750,120,ffffffff82595e88,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(41b5b20c7a0,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000fffe4540,ffff800024bb0130,ffff800024bb0190) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800024bb0200) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024bb0200) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41ba152cc90, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800024bafd60 rbx 0xffff800020dd9bb7 rdx 0xffff800000bcfdc0 rcx 0 rax 0xffff8000fffe4540 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3dd9e7fb6fcab016 r11 0x66aada4075c9995a r12 0xffff800020dd99b8 r13 0 r14 0 r15 0x1 rip 0xffffffff81477f68 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800024bafd50 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) pid=8703 stat=onproc flags process=1810 proc=4080080 pri=52, usrpri=52, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffe5ce0,0xffff8000fffe5510 process=0xffff8000fffea9a8 user=0xffff800024bab000, vmspace=0xfffffd80697ae8b8 estcpu=10, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61124 4028 98151 32767 2 0x10 syz-executor.5 15876 319830 16730 32767 2 0x10 syz-executor.1 15876 510424 16730 32767 2 0x4000010 syz-executor.1 7640 170352 74393 32767 7 0x10 syz-executor.6 7640 359814 74393 32767 3 0x4000090 fsleep syz-executor.6 81017 88590 80720 32767 2 0x10 syz-executor.0 57677 189557 58575 32767 2 0x3810 syz-executor.3 *57677 8703 58575 32767 7 0x4081890 syz-executor.3 36169 311992 0 0 3 0x14200 bored sosplice 74393 29792 58300 32767 3 0x90 nanoslp syz-executor.6 58300 471563 17157 0 3 0x82 wait syz-executor.6 98151 37553 43539 32767 3 0x90 nanoslp syz-executor.5 52746 119048 7875 32767 3 0x90 nanoslp syz-executor.7 58575 390252 45901 32767 3 0x90 nanoslp syz-executor.3 22826 206166 21082 32767 2 0x10 syz-executor.2 7875 18285 17157 0 3 0x82 wait syz-executor.7 71344 231173 93307 32767 3 0x10 biowait syz-executor.4 43539 285634 17157 0 3 0x82 wait syz-executor.5 93307 402628 17157 0 3 0x82 wait syz-executor.4 21082 448950 17157 0 3 0x82 wait syz-executor.2 45901 153151 17157 0 3 0x82 wait syz-executor.3 16730 48561 14127 32767 3 0x90 nanoslp syz-executor.1 80720 452866 25590 32767 3 0x90 nanoslp syz-executor.0 14127 100761 17157 0 3 0x82 wait syz-executor.1 25590 196651 17157 0 3 0x82 wait syz-executor.0 17157 78982 83455 0 3 0x82 thrsleep syz-fuzzer 17157 94330 83455 0 3 0x4000082 thrsleep syz-fuzzer 17157 424329 83455 0 3 0x4000082 thrsleep syz-fuzzer 17157 92176 83455 0 3 0x4000082 thrsleep syz-fuzzer 17157 421610 83455 0 3 0x4000082 thrsleep syz-fuzzer 17157 267204 83455 0 3 0x4000082 thrsleep syz-fuzzer 17157 171612 83455 0 3 0x4000082 thrsleep syz-fuzzer 17157 342887 83455 0 3 0x4000082 kqread syz-fuzzer 17157 189016 83455 0 3 0x4000082 thrsleep syz-fuzzer 83455 469682 4761 0 3 0x10008a sigsusp ksh 4761 364902 62632 0 3 0x9a kqread sshd 66452 300342 1 0 3 0x100083 ttyin getty 62632 248074 1 0 3 0x88 kqread sshd 34798 13507 68353 73 3 0x1100090 kqread syslogd 68353 109927 1 0 3 0x100082 netio syslogd 32609 231478 1 0 3 0x100080 kqread resolvd 31601 252405 99624 77 3 0x100092 kqread dhcpleased 39765 521018 99624 77 3 0x100092 kqread dhcpleased 99624 36425 1 0 3 0x80 kqread dhcpleased 82593 356628 0 0 3 0x14200 bored smr 20913 259716 0 0 2 0x14200 zerothread 109 282430 0 0 3 0x14200 aiodoned aiodoned 6058 135593 0 0 3 0x14200 syncer update 66824 394521 0 0 3 0x14200 cleaner cleaner 53393 398641 0 0 3 0x14200 reaper reaper 32998 384100 0 0 3 0x14200 pgdaemon pagedaemon 64793 85614 0 0 3 0x14200 bored viomb 93091 416079 0 0 3 0x40014200 acpi0 acpi0 58755 296390 0 0 3 0x40014200 idle1 50105 407917 0 0 3 0x14200 bored softnet 28431 189804 0 0 3 0x14200 bored softnet 31677 329595 0 0 3 0x14200 bored softnet 40747 462329 0 0 3 0x14200 bored softnet 47021 220725 0 0 3 0x14200 bored systqmp 63300 209824 0 0 3 0x14200 bored systq 88210 158145 0 0 3 0x40014200 bored softclock 86034 410019 0 0 3 0x40014200 idle0 1 246620 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff829e06e0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_pmr_getpages+0xeac sys/uvm/uvm_pmemrange.c:1205 #4 uvm_pagealloc+0x1a4 sys/uvm/uvm_page.c:910 #5 uvm_fault_lower+0x1aa #6 uvm_fault+0x238 #7 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #8 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #9 recall_trap+0x8 CPU 1: exclusive sched_lock &sched_lock r = 0 (0xffffffff82b5eeb8) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d4 sys/kern/sched_bsd.c:419 #3 single_thread_check_locked+0x17f sys/kern/kern_sig.c:2045 #4 single_thread_check+0x4b sys/kern/kern_sig.c:2057 #5 sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] #5 sleep_finish+0x75 sys/kern/kern_synch.c:400 #6 rwsleep+0xd5 sys/kern/kern_synch.c:314 #7 futex_wait+0x13c sys/kern/sys_futex.c:260 #8 sys_futex+0xf8 sys/kern/sys_futex.c:111 #9 syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x484 sys/arch/amd64/amd64/trap.c:585 #10 Xsyscall+0x128 Process 7640 (syz-executor.6) thread 0xffff8000fffe47e0 (170352) exclusive rwlock amaplk r = 0 (0xfffffd806acd5978) #0 witness_lock+0x44d #1 uvm_fault_check+0x422 sys/uvm/uvm_fault.c:783 #2 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #3 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #4 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd80697ae310) #0 witness_lock+0x44d #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1771 #2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:673 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:601 #4 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #5 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #6 recall_trap+0x8 Process 71344 (syz-executor.4) thread 0xffff8000fffeca88 (231173) exclusive rrwlock inode r = 0 (0xfffffd8071957818) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:567 #5 vget+0x1d3 sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1852 #13 syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x484 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80674a7b40) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:567 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1852 #8 syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x484 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 6410K 6420K 78643K 11284 0 pcb 13 8K 8K 78643K 13 0 rtable 234 6K 6K 78643K 359 0 ifaddr 81 16K 16K 78643K 82 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 2K 78643K 36 0 iov 0 0K 12K 78643K 33 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1270 79K 79K 78643K 1293 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 192 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 23 85K 113K 78643K 614 0 sigio 0 0K 0K 78643K 3 0 proc 59 91K 115K 78643K 504 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 43 0 in_multi 99 6K 6K 78643K 109 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 157 705K 705K 78643K 157 0 exec 0 0K 2K 78643K 681 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 7 26K 26K 78643K 7 0 UVM amap 215 78K 79K 78643K 5214 0 UVM aobj 24 2K 2K 78643K 24 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 12 0 NDP 11 0K 2K 78643K 27 0 temp 123 4718K 4782K 78643K 4539 0 kqueue 12 18K 24K 78643K 78 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 50 0 47 1 0 1 1 0 8 0 rtentry 112 112 0 2 4 0 4 4 0 8 0 unpcb 136 264 0 251 3 2 1 2 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 239 0 239 1 1 0 1 0 8 0 tcpcb 736 636 0 611 17 8 9 12 0 8 6 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 320 833 0 826 12 5 7 7 0 8 6 nd6 48 25 0 1 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 464 0 13 29 0 29 29 0 8 0 art_table 32 465 0 13 4 0 4 4 0 8 0 art_node 16 111 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 189 0 179 1 0 1 1 0 8 0 shmpl 112 21 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2051 0 618 90 0 90 90 0 8 0 ffsino 272 2051 0 618 96 0 96 96 0 8 0 nchpl 144 2953 0 1282 63 0 63 63 0 8 0 uvmvnodes 80 2164 0 0 45 0 45 45 0 8 0 vnodes 224 2164 0 0 128 0 128 128 0 8 0 namei 1024 10178 0 10178 2 1 1 2 0 8 1 percpumem 16 40 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 8904 0 8903 9 8 1 8 0 8 0 plimitpl 152 89 0 66 1 0 1 1 0 8 0 sigapl 424 903 0 850 7 0 7 7 0 8 0 futexpl 64 4992 0 4990 1 0 1 1 0 8 0 knotepl 120 104 0 0 4 0 4 4 0 8 0 kqueuepl 224 195 0 187 3 2 1 3 0 8 0 pipepl 336 226 0 198 6 3 3 6 0 8 0 fdescpl 496 885 0 851 7 2 5 6 0 8 0 filepl 152 4530 0 4295 15 3 12 13 0 8 1 lockfpl 104 38 0 36 1 0 1 1 0 8 0 lockfspl 48 19 0 17 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 7 1 0 1 1 0 8 0 ucredpl 104 592 0 574 1 0 1 1 0 8 0 zombiepl 144 851 0 850 1 0 1 1 0 8 0 processpl 1064 903 0 850 4 0 4 4 0 8 0 procpl 672 1929 0 1865 8 1 7 8 0 8 0 sosppl 168 14 0 14 2 1 1 1 0 8 1 sockpl 480 1154 0 1131 21 10 11 12 0 8 8 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 14 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 178 0 0 22 0 22 22 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 330 0 0 20 0 20 20 0 8 0 bufpl 288 4218 0 140 292 0 292 292 0 8 0 anonpl 24 146825 0 135113 80 2 78 78 0 186 0 amapchunkpl 152 13578 0 13008 29 2 27 27 0 158 1 amappl16 200 1610 0 1277 19 0 19 19 0 8 1 amappl15 192 68 0 66 1 0 1 1 0 8 0 amappl14 184 75 0 71 1 0 1 1 0 8 0 amappl13 176 203 0 199 1 0 1 1 0 8 0 amappl12 168 5 0 3 2 1 1 1 0 8 0 amappl11 160 85 0 68 1 0 1 1 0 8 0 amappl10 152 167 0 157 1 0 1 1 0 8 0 amappl9 144 623 0 615 1 0 1 1 0 8 0 amappl8 136 541 0 498 2 0 2 2 0 8 0 amappl7 128 103 0 92 1 0 1 1 0 8 0 amappl6 120 340 0 321 2 1 1 2 0 8 0 amappl5 112 722 0 698 1 0 1 1 0 8 0 amappl4 104 789 0 762 2 1 1 2 0 8 0 amappl3 96 1975 0 1930 2 0 2 2 0 8 0 amappl2 88 1314 0 1247 3 1 2 3 0 8 0 amappl1 80 22827 0 22180 19 3 16 19 0 8 0 amappl 88 4781 0 4630 6 1 5 5 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 23 0 0 1 0 1 1 0 8 0 uaddrrnd 24 885 0 851 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 885 0 851 1 0 1 1 0 8 0 vmmpekpl 168 11615 0 11564 3 0 3 3 0 8 0 vmmpepl 168 87088 0 84618 126 1 125 125 0 357 9 vmsppl 368 884 0 851 4 0 4 4 0 8 0 rwobjpl 56 24464 0 21033 51 1 50 50 0 8 0 pdppl 4096 1777 0 1702 123 42 81 89 0 8 6 pvpl 32 403834 0 387261 248 24 224 248 0 265 82 pmappl 248 884 0 851 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 714 0 56 19 0 19 19 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8292aff0) at x86_ipi_db+0x1a 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+0x23 __mp_lock(ffffffff82b5ecb0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82b5ecb0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 wakeup_n(ffffffff829e054c,ffffffff) at wakeup_n+0x37 uvm_pmr_getpages(1,0,0,1,0,1,4f8cc7cfa2353797,fffffd806760b1c8) at uvm_pmr_getpages+0xeef sys/uvm/uvm_pmemrange.c:1207 uvm_pagealloc(0,0,fffffd806760b1c8,2) at uvm_pagealloc+0x1a4 sys/uvm/uvm_page.c:910 uvm_fault_lower(ffff800024baa110,ffff800024baa148,ffff800024baa090,0) at uvm_fault_lower+0x1aa uvm_fault(fffffd80697ae2f8,1c0efb04000,0,1) at uvm_fault+0x238 upageflttrap(ffff800024baa280,1c0efb040d0) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff800024baa280) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffd5920, count: 3 ddb{0}> trace x86_ipi_db(ffffffff8292aff0) at x86_ipi_db+0x1a 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+0x23 __mp_lock(ffffffff82b5ecb0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82b5ecb0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 wakeup_n(ffffffff829e054c,ffffffff) at wakeup_n+0x37 uvm_pmr_getpages(1,0,0,1,0,1,4f8cc7cfa2353797,fffffd806760b1c8) at uvm_pmr_getpages+0xeef sys/uvm/uvm_pmemrange.c:1207 uvm_pagealloc(0,0,fffffd806760b1c8,2) at uvm_pagealloc+0x1a4 sys/uvm/uvm_page.c:910 uvm_fault_lower(ffff800024baa110,ffff800024baa148,ffff800024baa090,0) at uvm_fault_lower+0x1aa uvm_fault(fffffd80697ae2f8,1c0efb04000,0,1) at uvm_fault+0x238 upageflttrap(ffff800024baa280,1c0efb040d0) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff800024baa280) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffd5920, count: -12 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259bd82) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff8261504d,ffffffff8261b5a3,3f,ffffffff8264d4fb) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000fffe4540,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000fffe4540,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff800024baffa0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff800024baffa0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000fffe4540,ffffffff82957750,120,ffffffff82595e88,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(41b5b20c7a0,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000fffe4540,ffff800024bb0130,ffff800024bb0190) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800024bb0200) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024bb0200) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41ba152cc90, count: 3 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8259bd82) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff8261504d,ffffffff8261b5a3,3f,ffffffff8264d4fb) at __assert+0x25 sys/kern/subr_prf.c:161 _kernel_lock() at _kernel_lock+0xb2 sys/kern/kern_lock.c:63 single_thread_check_locked(ffff8000fffe4540,1,c) at single_thread_check_locked+0x1f6 sys/kern/kern_sig.c:2037 single_thread_check(ffff8000fffe4540,1) at single_thread_check+0x4b sys/kern/kern_sig.c:2057 sleep_finish(ffff800024baffa0,1) at sleep_finish+0x75 sleep_signal_check sys/kern/kern_synch.c:464 [inline] sleep_finish(ffff800024baffa0,1) at sleep_finish+0x75 sys/kern/kern_synch.c:400 rwsleep(ffff8000fffe4540,ffffffff82957750,120,ffffffff82595e88,0) at rwsleep+0xd5 sys/kern/kern_synch.c:314 futex_wait(41b5b20c7a0,2,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff8000fffe4540,ffff800024bb0130,ffff800024bb0190) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff800024bb0200) at syscall+0x484 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024bb0200) at syscall+0x484 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41ba152cc90, count: -12