panic: kernel diagnostic assertion "nlevel >= IPL_NONE" failed: file "/syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/intr.c", line 699 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 169732 61579 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827a27e0) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828205b7,ffffffff827a9140,2bb,ffffffff827a0860) at __assert+0x29 sys/kern/subr_prf.c:157 splraise(cb2ee8d5) at splraise+0xb4 sys/arch/amd64/amd64/intr.c:699 mtx_enter_try(fffffd806f004000) at mtx_enter_try+0x73 sys/kern/kern_lock.c:291 mtx_enter(fffffd806f004000) at mtx_enter+0x4f sys/kern/kern_lock.c:266 knote_remove(ffff8000212e3560,fffffd806f004000,fffffd806f004088,0,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000212e3560,0) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000212e3560) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000212e3560,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000212e3560,ffff800022f2b760,ffff800022f2b7b0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800022f2b830) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800022f2b830) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x721b7f136920, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "nlevel >= IPL_NONE" failed: file "/syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/intr.c", line 699 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827a27e0) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828205b7,ffffffff827a9140,2bb,ffffffff827a0860) at __assert+0x29 sys/kern/subr_prf.c:157 splraise(cb2ee8d5) at splraise+0xb4 sys/arch/amd64/amd64/intr.c:699 mtx_enter_try(fffffd806f004000) at mtx_enter_try+0x73 sys/kern/kern_lock.c:291 mtx_enter(fffffd806f004000) at mtx_enter+0x4f sys/kern/kern_lock.c:266 knote_remove(ffff8000212e3560,fffffd806f004000,fffffd806f004088,0,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000212e3560,0) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000212e3560) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000212e3560,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000212e3560,ffff800022f2b760,ffff800022f2b7b0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800022f2b830) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800022f2b830) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x721b7f136920, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800022f2b3a0 rbx 0xffffffff82ba7b9f cpu_info_full_primary+0x2b9f rdx 0 rcx 0xffff8000212e3560 rax 0xffffffff82ba6ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x34d3ed55d58aca03 r11 0x35a5845c1b6ff2c8 r12 0xffffffff82ba79a0 cpu_info_full_primary+0x29a0 r13 0 r14 0 r15 0x1 rip 0xffffffff81698bbc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800022f2b390 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.2) pid=462731 stat=onproc flags process=1008 proc=2000 pri=0, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000212e32b8,0xffffffff82d75d58 process=0xffff8000ffff6a00 user=0xffff800022f26000, vmspace=0xfffffd807eff93a0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 78355 72047 44675 0 2 0x480 syz-executor.6 78355 398783 44675 0 3 0x4000000 smrbar syz-executor.6 78355 310223 44675 0 3 0x4000080 fsleep syz-executor.6 25159 318832 86221 0 2 0x480 syz-executor.3 25159 478820 86221 0 3 0x4000080 netio syz-executor.3 25159 446453 86221 0 3 0x4000080 fsleep syz-executor.3 44675 283475 68948 0 2 0x482 syz-executor.6 60452 192456 68948 0 2 0x2 syz-executor.0 27359 427024 68948 0 2 0x482 syz-executor.2 24452 427085 68948 0 2 0x2 syz-executor.1 75784 428853 0 0 2 0x14200 sosplice 1008 236498 0 0 3 0x14280 nfsidl nfsio 54699 166995 0 0 3 0x14280 nfsidl nfsio 59760 287112 0 0 3 0x14280 nfsidl nfsio 232 204280 0 0 3 0x14280 nfsidl nfsio 39065 339462 0 0 3 0x14280 nfsidl nfsio 74902 215906 0 0 3 0x14280 nfsidl nfsio 88087 518537 0 0 3 0x14280 nfsidl nfsio 32348 140743 0 0 3 0x14280 nfsidl nfsio 49722 155324 0 0 3 0x14280 nfsidl nfsio 12928 191548 0 0 3 0x14280 nfsidl nfsio 88804 285978 0 0 3 0x14280 nfsidl nfsio 67232 10950 0 0 3 0x14280 nfsidl nfsio 18779 12293 0 0 3 0x14280 nfsidl nfsio 81264 316482 0 0 3 0x14280 nfsidl nfsio 72837 116986 0 0 3 0x14280 nfsidl nfsio 49594 17610 0 0 3 0x14280 nfsidl nfsio 96995 448361 0 0 3 0x14280 nfsidl nfsio 94293 430389 0 0 3 0x14280 nfsidl nfsio 51300 71326 0 0 3 0x14280 nfsidl nfsio 82053 458399 0 0 3 0x14280 nfsidl nfsio 80676 384620 68948 0 3 0x82 piperd syz-executor.7 86106 397704 68948 0 2 0x482 syz-executor.4 23084 366628 68948 0 3 0x82 piperd syz-executor.5 86221 480359 68948 0 2 0x482 syz-executor.3 68948 16990 60422 0 3 0x2000082 thrsleep syz-fuzzer 68948 407319 60422 0 2 0x6000482 syz-fuzzer 68948 242715 60422 0 3 0x6000082 wait syz-fuzzer 68948 390872 60422 0 3 0x6000082 thrsleep syz-fuzzer 68948 485986 60422 0 3 0x6000082 thrsleep syz-fuzzer 68948 18792 60422 0 3 0x6000082 thrsleep syz-fuzzer 68948 408683 60422 0 3 0x6000082 wait syz-fuzzer 68948 75120 60422 0 3 0x6000082 wait syz-fuzzer 68948 178364 60422 0 3 0x6000082 kqread syz-fuzzer 68948 484080 60422 0 3 0x6000082 wait syz-fuzzer 68948 398259 60422 0 3 0x6000082 thrsleep syz-fuzzer 68948 461221 60422 0 3 0x6000082 wait syz-fuzzer 68948 214156 60422 0 3 0x6000082 wait syz-fuzzer 68948 47187 60422 0 3 0x6000082 wait syz-fuzzer 68948 164134 60422 0 3 0x6000082 thrsleep syz-fuzzer 68948 28058 60422 0 3 0x6000082 wait syz-fuzzer 60422 482525 9998 0 3 0x10008a sigsusp ksh 9998 270262 67024 0 3 0x9a kqread sshd 81864 200191 1 0 3 0x100083 ttyopn getty 67024 346575 1 0 3 0x88 kqread sshd 90285 466950 44373 74 3 0x1100092 bpf pflogd 44373 32063 1 0 3 0x80 netio pflogd 60369 388482 74479 73 3 0x1100090 kqread syslogd 74479 313151 1 0 3 0x100082 netio syslogd 46143 11691 1 0 3 0x100080 kqread resolvd 31278 235596 19042 77 3 0x100092 kqread dhcpleased 96297 256639 19042 77 3 0x100092 kqread dhcpleased 19042 418088 1 0 3 0x80 kqread dhcpleased 62172 248474 0 0 2 0x14200 smr 70297 362848 0 0 3 0x14200 pgzero zerothread 62456 34522 0 0 3 0x14200 aiodoned aiodoned 91828 132092 0 0 3 0x14200 syncer update 73445 122439 0 0 3 0x14200 cleaner cleaner 61579 169732 0 0 7 0x14200 reaper 50883 491635 0 0 3 0x14200 pgdaemon pagedaemon 53776 492870 0 0 3 0x14200 bored viomb 44574 162628 0 0 3 0x40014200 acpi0 acpi0 39898 24367 0 0 3 0x40014200 idle1 25271 25400 0 0 3 0x14200 bored softnet3 83272 406595 0 0 3 0x14200 bored softnet2 18380 309776 0 0 3 0x14200 bored softnet1 75808 130226 0 0 3 0x14200 bored softnet0 15371 330986 0 0 3 0x14200 bored systqmp 85085 56783 0 0 3 0x14200 bored systq 49414 468437 0 0 2 0x40014200 softclock 53302 353856 0 0 3 0x40014200 idle0 1 456554 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 60452 (syz-executor.0) thread 0xffff8000212e3808 (192456) exclusive rrwlock inode r = 0 (0xfffffd8067b61818) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1343 #6 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #10 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #10 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e250d68) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3058 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 24452 (syz-executor.1) thread 0xffff8000211d8800 (427085) exclusive rrwlock inode r = 0 (0xfffffd8071206f80) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #13 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80620f2098) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 75784 (sosplice) thread 0xffff8000212e2ac0 (428853) shared rwlock sosplice r = 0 (0xffff800000d4a670) #0 witness_lock+0x447 #1 taskq_thread+0xca sys/kern/kern_task.c:446 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10360 6882K 9737K 78643K 21843 0 pcb 13 16K 18K 78643K 634 0 rtable 241 7K 7K 78643K 607 0 pf 34 9K 10K 78643K 143 0 ifaddr 46 16K 16K 78643K 118 0 ifgroup 57 2K 2K 78643K 197 0 sysctl 2 0K 0K 78643K 2 0 counters 62 36K 36K 78643K 152 0 ioctlops 0 0K 4K 78643K 1675 0 iov 0 0K 36K 78643K 344 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1613 101K 101K 78643K 3998 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 59 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 307 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 89K 78643K 4583 0 sigio 0 0K 0K 78643K 168 0 proc 70 91K 115K 78643K 919 0 subproc 104 6K 7K 78643K 197 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 184 0 in_multi 99 7K 7K 78643K 179 0 ether_multi 1 0K 0K 78643K 3 0 mrt 1 0K 0K 78643K 9 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 97 440K 440K 78643K 97 0 exec 0 0K 1K 78643K 898 0 pfkey data 0 0K 0K 78643K 4 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 390 95K 101K 78643K 46565 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 55 0 NDP 13 0K 1K 78643K 88 0 temp 73 5916K 6042K 78643K 44728 0 kqueue 13 20K 27K 78643K 468 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 120 268 0 265 6 5 1 3 0 8 0 rtentry 112 193 0 81 4 0 4 4 0 8 0 unpcb 144 2746 0 2730 25 24 1 8 0 8 0 syncache 304 40 0 40 10 9 1 1 0 8 1 tcpqe 32 607 0 607 10 10 0 2 0 8 0 tcpcb 808 868 0 853 39 37 2 14 0 8 0 arp 120 32 0 14 1 0 1 1 0 8 0 ipq 40 3 0 3 1 1 0 1 0 8 0 ipqe 40 9 0 9 1 1 0 1 0 8 0 inpcb 368 5930 0 5912 80 72 8 17 0 8 6 nd6 136 47 0 21 1 0 1 1 0 8 0 pkpcb 40 14 0 14 3 3 0 1 0 8 0 kcovpl 48 15 0 7 1 0 1 1 0 8 0 ppxss 1256 25 0 24 6 5 1 1 0 8 0 pffrag 232 3 0 3 2 2 0 1 0 482 0 pffrnode 88 3 0 3 2 2 0 1 0 8 0 pffrent 40 118 0 118 2 2 0 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 24 691 0 673 1 0 1 1 0 8 0 pfstkey 128 691 0 673 2 1 1 2 0 8 0 pfstate 376 691 0 671 14 10 4 8 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 256 773 0 308 30 0 30 30 0 8 0 art_table 32 774 0 308 4 0 4 4 0 8 0 art_node 16 189 0 87 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 1 1 0 1 1 0 8 0 semapl 112 305 0 295 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7115 0 5644 93 0 93 93 0 8 0 ffsino 272 7115 0 5644 99 0 99 99 0 8 0 nchpl 144 13377 0 12860 63 40 23 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 43362 0 43361 3 2 1 2 0 8 0 percpumem 16 89 0 45 1 0 1 1 0 8 0 vmpool 696 19 0 19 3 3 0 1 0 8 0 kstatmem 264 116 0 90 2 0 2 2 0 8 0 scxspl 216 42928 0 42928 23 22 1 8 1 8 1 plimitpl 152 295 0 279 1 0 1 1 0 8 0 sigapl 424 4911 0 4846 9 1 8 8 0 8 0 futexpl 64 33992 0 33990 2 1 1 1 0 8 0 knotepl 120 346 0 0 10 0 10 10 0 8 0 kqueuepl 216 1004 0 995 25 24 1 7 0 8 0 pipepl 320 1387 0 1359 42 34 8 10 0 8 5 fdescpl 496 4872 0 4846 5 0 5 5 0 8 0 filepl 152 28654 0 28403 69 52 17 24 0 8 6 lockfpl 104 1551 0 1549 4 3 1 2 0 8 0 lockfspl 48 555 0 553 1 0 1 1 0 8 0 sessionpl 144 31 0 14 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 104 3332 0 3320 1 0 1 1 0 8 0 zombiepl 144 4848 0 4846 1 0 1 1 0 8 0 processpl 1072 4911 0 4846 5 0 5 5 0 8 0 procpl 680 12652 0 12567 12 3 9 9 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 43 0 42 5 4 1 1 0 8 0 sockpl 488 9032 0 8994 175 162 13 34 0 8 7 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 15 0 0 2 0 2 2 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 24 0 0 3 1 2 3 0 8 0 mcl4k 4096 37 0 0 4 0 4 4 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 268 0 0 33 0 33 33 0 8 0 mtagpl 96 692 0 0 17 0 17 17 0 8 0 mbufpl 256 1538 0 0 88 0 88 88 0 8 0 bufpl 288 11169 0 4837 453 0 453 453 0 8 0 anonpl 24 573879 0 560163 150 58 92 126 0 186 0 amapchunkpl 152 147570 0 146684 73 34 39 51 0 158 1 amappl16 200 11642 0 11248 53 32 21 34 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 181 0 166 2 1 1 2 0 8 0 amappl13 176 10 0 9 1 0 1 1 0 8 0 amappl12 168 5657 0 5626 4 2 2 3 0 8 0 amappl11 160 64 0 49 1 0 1 1 0 8 0 amappl10 152 52 0 42 2 1 1 1 0 8 0 amappl9 144 226 0 226 7 6 1 1 0 8 1 amappl8 136 380 0 280 4 0 4 4 0 8 0 amappl7 128 93 0 79 2 1 1 2 0 8 0 amappl6 120 313 0 293 2 1 1 2 0 8 0 amappl5 112 294 0 283 1 0 1 1 0 8 0 amappl4 104 710 0 666 3 1 2 3 0 8 0 amappl3 96 29263 0 29179 4 1 3 3 0 8 0 amappl2 88 5317 0 5244 3 1 2 3 0 8 0 amappl1 80 26021 0 25468 23 9 14 23 0 8 0 amappl 88 45852 0 45621 8 1 7 7 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 4891 0 4865 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4891 0 4865 1 0 1 1 0 8 0 vmmpekpl 168 40446 0 40388 4 0 4 4 0 8 0 vmmpepl 168 303037 0 300788 188 79 109 124 0 357 0 vmsppl 464 4890 0 4865 5 0 5 5 0 8 0 rwobjpl 56 82850 0 75251 117 8 109 111 0 8 0 pdppl 4096 9790 0 9730 321 253 68 82 0 8 8 pvpl 32 1528097 0 1508562 393 214 179 364 0 265 8 pmappl 248 4890 0 4865 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1276 0 375 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(ffffffff827a27e0) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828205b7,ffffffff827a9140,2bb,ffffffff827a0860) at __assert+0x29 sys/kern/subr_prf.c:157 splraise(cb2ee8d5) at splraise+0xb4 sys/arch/amd64/amd64/intr.c:699 mtx_enter_try(fffffd806f004000) at mtx_enter_try+0x73 sys/kern/kern_lock.c:291 mtx_enter(fffffd806f004000) at mtx_enter+0x4f sys/kern/kern_lock.c:266 knote_remove(ffff8000212e3560,fffffd806f004000,fffffd806f004088,0,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000212e3560,0) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000212e3560) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000212e3560,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000212e3560,ffff800022f2b760,ffff800022f2b7b0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff800022f2b830) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800022f2b830) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x721b7f136920, count: -13 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 __mp_lock(ffffffff82cd0260) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82cd0260) at __mp_lock+0x129 sys/kern/kern_lock.c:147 reaper(ffff8000211b3548) at reaper+0x160 sys/kern/kern_exit.c:454 end trace frame: 0x0, count: 10 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 __mp_lock(ffffffff82cd0260) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82cd0260) at __mp_lock+0x129 sys/kern/kern_lock.c:147 reaper(ffff8000211b3548) at reaper+0x160 sys/kern/kern_exit.c:454 end trace frame: 0x0, count: -5