login: 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 502116 38430 0 0x2 0 0 syz-executor.2 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279c915) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281f079,ffffffff827a94ce,2bb,ffffffff827a15b3) at __assert+0x29 sys/kern/subr_prf.c:157 splraise(a1100863) at splraise+0xb4 sys/arch/amd64/amd64/intr.c:699 mtx_enter_try(fffffd806f0440d8) at mtx_enter_try+0x73 sys/kern/kern_lock.c:291 mtx_enter(fffffd806f0440d8) at mtx_enter+0x4f sys/kern/kern_lock.c:266 knote_remove(ffff8000211d9d50,fffffd806f0440d8,fffffd806f044160,4,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000211d9d50,4) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000211d9d50) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000211d9d50,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000211d9d50,ffff80002e497d40,ffff80002e497d90) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e497e10) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e497e10) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75fafcee1440, 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: kernel diagnostic assertion "nlevel >= IPL_NONE" failed: file "/syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/intr.c", line 699 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279c915) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281f079,ffffffff827a94ce,2bb,ffffffff827a15b3) at __assert+0x29 sys/kern/subr_prf.c:157 splraise(a1100863) at splraise+0xb4 sys/arch/amd64/amd64/intr.c:699 mtx_enter_try(fffffd806f0440d8) at mtx_enter_try+0x73 sys/kern/kern_lock.c:291 mtx_enter(fffffd806f0440d8) at mtx_enter+0x4f sys/kern/kern_lock.c:266 knote_remove(ffff8000211d9d50,fffffd806f0440d8,fffffd806f044160,4,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000211d9d50,4) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000211d9d50) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000211d9d50,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000211d9d50,ffff80002e497d40,ffff80002e497d90) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e497e10) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e497e10) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75fafcee1440, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e497980 rbx 0xffff800020d59b9f rdx 0 rcx 0xffff8000211d9d50 rax 0xffff800020d58ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xc9c9821e541b85d0 r11 0x2a765576fee0b739 r12 0xffff800020d599a0 r13 0 r14 0 r15 0x1 rip 0xffffffff81a5e8cc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e497970 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) pid=82813 stat=onproc flags process=1008 proc=2000 pri=0, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000211d8568,0xffff80002124a018 process=0xffff800021292e28 user=0xffff80002e492000, vmspace=0xfffffd806b855590 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28449 347482 7097 0 2 0 syz-executor.0 28449 31637 7097 0 3 0x4000080 fsleep syz-executor.0 28449 414679 7097 0 3 0x4000080 fsleep syz-executor.0 33165 454255 61113 0 2 0 syz-executor.3 33165 117767 61113 0 3 0x4000080 dtread syz-executor.3 20229 79329 50797 0 2 0 syz-executor.6 20229 197112 50797 0 3 0x4000080 fifor syz-executor.6 38428 218569 28639 0 2 0 syz-executor.7 38428 216649 28639 0 3 0x4000080 fsleep syz-executor.7 38428 268143 28639 0 3 0x4000080 fsleep syz-executor.7 38428 202192 28639 0 3 0x4000080 fsleep syz-executor.7 28639 431108 21574 0 2 0x2 syz-executor.7 73483 201376 21574 0 3 0x82 nanoslp syz-executor.1 70897 250144 1 0 3 0x100083 ttyin getty 77260 108132 21574 0 3 0x82 nanoslp syz-executor.4 50797 273061 21574 0 3 0x82 nanoslp syz-executor.6 7097 331619 21574 0 3 0x82 nanoslp syz-executor.0 26997 86753 0 0 3 0x14200 acct acct 65391 404551 0 0 3 0x14280 nfsidl nfsio 35206 486942 0 0 3 0x14280 nfsidl nfsio 99545 22532 0 0 3 0x14280 nfsidl nfsio 19902 491675 0 0 3 0x14280 nfsidl nfsio 18270 416223 0 0 3 0x14280 nfsidl nfsio 20512 425380 0 0 3 0x14280 nfsidl nfsio 62616 172081 0 0 3 0x14280 nfsidl nfsio 24729 475817 0 0 3 0x14280 nfsidl nfsio 58677 272608 0 0 3 0x14280 nfsidl nfsio 90719 430773 0 0 3 0x14280 nfsidl nfsio 29786 267730 0 0 3 0x14280 nfsidl nfsio 80873 297616 0 0 3 0x14280 nfsidl nfsio 40219 344390 0 0 3 0x14280 nfsidl nfsio 50789 279685 0 0 3 0x14280 nfsidl nfsio 11858 77233 0 0 3 0x14280 nfsidl nfsio 87279 58142 0 0 3 0x14280 nfsidl nfsio 1893 436724 0 0 3 0x14280 nfsidl nfsio 9816 508769 0 0 3 0x14280 nfsidl nfsio 39313 102029 0 0 3 0x14280 nfsidl nfsio 82012 425258 0 0 3 0x14280 nfsidl nfsio 61113 495726 21574 0 3 0x82 nanoslp syz-executor.3 50530 20842 0 0 3 0x14200 bored sosplice 64231 423834 21574 0 2 0x2 syz-executor.5 38430 502116 21574 0 7 0x2 syz-executor.2 21574 353729 64859 0 3 0x2000082 wait syz-fuzzer 21574 183400 64859 0 3 0x6000082 nanoslp syz-fuzzer 21574 513785 64859 0 3 0x6000082 wait syz-fuzzer 21574 502805 64859 0 3 0x6000082 wait syz-fuzzer 21574 83441 64859 0 3 0x6000082 wait syz-fuzzer 21574 481482 64859 0 3 0x6000082 thrsleep syz-fuzzer 21574 367914 64859 0 3 0x6000082 wait syz-fuzzer 21574 298290 64859 0 3 0x6000082 thrsleep syz-fuzzer 21574 48576 64859 0 3 0x6000082 wait syz-fuzzer 21574 495671 64859 0 3 0x6000082 wait syz-fuzzer 21574 68687 64859 0 3 0x6000082 thrsleep syz-fuzzer 21574 302959 64859 0 3 0x6000082 thrsleep syz-fuzzer 21574 29351 64859 0 3 0x6000082 kqread syz-fuzzer 21574 276281 64859 0 3 0x6000082 thrsleep syz-fuzzer 21574 168284 64859 0 3 0x6000082 thrsleep syz-fuzzer 21574 210265 64859 0 3 0x6000082 wait syz-fuzzer 64859 394568 45182 0 3 0x10008a sigsusp ksh 45182 321807 44769 0 3 0x9a kqread sshd 44769 407341 1 0 3 0x88 kqread sshd 38947 1779 97350 74 3 0x1100092 bpf pflogd 97350 172076 1 0 3 0x80 netio pflogd 47736 182642 56898 73 3 0x1100090 kqread syslogd 56898 9826 1 0 3 0x100082 netio syslogd 85507 417989 1 0 3 0x100080 kqread resolvd 22848 409593 4105 77 3 0x100092 kqread dhcpleased 45727 407407 4105 77 3 0x100092 kqread dhcpleased 4105 40757 1 0 3 0x80 kqread dhcpleased 83927 228207 0 0 3 0x14200 bored smr 2979 865 0 0 2 0x14200 zerothread 40466 350934 0 0 3 0x14200 aiodoned aiodoned 40565 235349 0 0 3 0x14200 syncer update 65759 197570 0 0 3 0x14200 cleaner cleaner 66780 187922 0 0 2 0x14200 reaper 85217 181941 0 0 3 0x14200 pgdaemon pagedaemon 66474 466836 0 0 3 0x14200 bored viomb 3751 248859 0 0 3 0x40014200 acpi0 acpi0 13899 276107 0 0 3 0x40014200 idle1 70304 253632 0 0 3 0x14200 bored softnet3 24168 511795 0 0 3 0x14200 bored softnet2 23353 448735 0 0 3 0x14200 bored softnet1 59940 255701 0 0 3 0x14200 bored softnet0 22252 199718 0 0 3 0x14200 bored systqmp 69517 178523 0 0 3 0x14200 bored systq 46901 393559 0 0 3 0x40014200 bored softclock 6601 481408 0 0 3 0x40014200 idle0 1 383035 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 28449 (syz-executor.0) thread 0xffff80002124a008 (31637) exclusive rwlock futex r = 0 (0xffffffff82b797c0) #0 witness_lock+0x447 #1 sys_futex+0x60 sys/kern/sys_futex.c:98 #2 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #2 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #3 Xsyscall+0x128 Process 64231 (syz-executor.5) thread 0xffff8000211f42c8 (423834) exclusive rrwlock inode r = 0 (0xfffffd8063697918) #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 (0xfffffd8071de85f8) #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 38430 (syz-executor.2) thread 0xffff8000212247f8 (502116) exclusive rrwlock inode r = 0 (0xfffffd8071de8708) #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 (0xfffffd8071de8e78) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 6521K 6943K 78643K 19969 0 pcb 17 14K 18K 78643K 3096 0 rtable 243 7K 7K 78643K 658 0 pf 32 9K 10K 78643K 111 0 ifaddr 45 15K 16K 78643K 106 0 ifgroup 55 2K 2K 78643K 173 0 sysctl 2 0K 2K 78643K 72 0 counters 60 35K 36K 78643K 122 0 ioctlops 0 0K 4K 78643K 1611 0 iov 0 0K 44K 78643K 1601 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1394 87K 87K 78643K 3523 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 371 0 VM map 2 1K 1K 78643K 2 0 sem 10 1K 1K 78643K 10 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 81K 78643K 4828 0 sigio 0 0K 0K 78643K 819 0 proc 70 91K 115K 78643K 953 0 subproc 104 6K 7K 78643K 208 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 260 0 in_multi 99 7K 7K 78643K 215 0 ether_multi 1 0K 0K 78643K 1 0 mrt 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 1K 78643K 872 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 415 93K 105K 78643K 50125 0 UVM aobj 131 4K 6K 78643K 147 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 4 0K 1K 78643K 1244 0 NDP 12 0K 1K 78643K 75 0 temp 74 5920K 6052K 78643K 53609 0 kqueue 12 18K 29K 78643K 344 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 120 288 0 285 7 4 3 3 0 8 2 rtentry 112 214 0 101 4 0 4 4 0 8 0 unpcb 144 4088 0 4069 42 36 6 8 0 8 5 syncache 304 41 0 41 8 8 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 338 0 338 8 8 0 1 0 8 0 tcpcb 808 770 0 761 33 31 2 8 0 8 0 arp 120 36 0 17 1 0 1 1 0 8 0 inpcb 368 4867 0 4850 73 70 3 14 0 8 1 nd6 136 51 0 25 1 0 1 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 ppxss 1256 6 0 6 2 2 0 1 0 8 0 pffrag 232 21 0 18 1 0 1 1 0 482 0 pffrnode 88 21 0 18 1 0 1 1 0 8 0 pffrent 40 45 0 42 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 24 145 0 128 1 0 1 1 0 8 0 pfstkey 128 145 0 128 2 0 2 2 0 8 0 pfstate 376 145 0 128 5 1 4 4 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 256 819 0 355 30 0 30 30 0 8 0 art_table 32 820 0 355 4 0 4 4 0 8 0 art_node 16 203 0 100 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7358 0 5878 93 0 93 93 0 8 0 ffsino 272 7359 0 5878 99 0 99 99 0 8 0 nchpl 144 13969 0 12310 63 0 63 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 44864 0 44862 3 2 1 2 0 8 0 percpumem 16 74 0 31 1 0 1 1 0 8 0 vmpool 696 10 0 10 3 3 0 1 0 8 0 kstatmem 264 86 0 62 2 0 2 2 0 8 0 scxspl 216 49587 0 49587 23 22 1 8 1 8 1 plimitpl 152 355 0 339 1 0 1 1 0 8 0 sigapl 424 5164 0 5096 9 1 8 8 0 8 0 futexpl 64 40685 0 40680 3 2 1 1 0 8 0 knotepl 120 141 0 0 4 0 4 4 0 8 0 kqueuepl 216 533 0 524 9 6 3 5 0 8 2 pipepl 320 1472 0 1443 35 32 3 11 0 8 0 fdescpl 496 5125 0 5097 5 1 4 5 0 8 0 filepl 152 29613 0 29316 64 49 15 19 0 8 3 lockfpl 104 2174 0 2172 3 2 1 2 0 8 0 lockfspl 48 981 0 979 1 0 1 1 0 8 0 sessionpl 144 39 0 22 1 0 1 1 0 8 0 pgrppl 48 123 0 106 1 0 1 1 0 8 0 ucredpl 104 3138 0 3126 1 0 1 1 0 8 0 zombiepl 144 5098 0 5096 1 0 1 1 0 8 0 processpl 1072 5164 0 5096 5 0 5 5 0 8 0 procpl 680 13568 0 13477 12 3 9 9 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 26 0 23 4 3 1 1 0 8 0 sockpl 488 9272 0 9233 183 170 13 29 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 12 0 0 2 0 2 2 0 8 0 mcl9k 9216 10 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 256 0 0 31 1 30 31 0 8 0 mtagpl 96 404 0 0 10 0 10 10 0 8 0 mbufpl 256 696 0 0 35 0 35 35 0 8 0 bufpl 288 12363 0 6036 453 0 453 453 0 8 0 anonpl 24 576639 0 562453 155 63 92 116 0 186 0 amapchunkpl 152 159078 0 158140 80 41 39 48 0 158 0 amappl16 200 11098 0 10698 47 25 22 33 0 8 0 amappl15 192 21 0 21 1 1 0 1 0 8 0 amappl14 184 200 0 183 2 1 1 2 0 8 0 amappl13 176 17 0 16 1 0 1 1 0 8 0 amappl12 168 5922 0 5892 3 1 2 2 0 8 0 amappl11 160 86 0 71 1 0 1 1 0 8 0 amappl10 152 38 0 25 1 0 1 1 0 8 0 amappl9 144 214 0 214 7 7 0 1 0 8 0 amappl8 136 477 0 364 4 0 4 4 0 8 0 amappl7 128 112 0 96 2 1 1 2 0 8 0 amappl6 120 326 0 307 2 1 1 2 0 8 0 amappl5 112 347 0 336 1 0 1 1 0 8 0 amappl4 104 720 0 675 2 0 2 2 0 8 0 amappl3 96 31309 0 31217 4 1 3 3 0 8 0 amappl2 88 5562 0 5489 3 1 2 3 0 8 0 amappl1 80 27227 0 26678 23 10 13 23 0 8 0 amappl 88 49033 0 48773 7 0 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 72 146 0 16 3 0 3 3 0 8 0 uaddrrnd 24 5135 0 5107 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5135 0 5107 1 0 1 1 0 8 0 vmmpekpl 168 44933 0 44876 3 0 3 3 0 8 0 vmmpepl 168 318409 0 316042 211 101 110 132 0 357 0 vmsppl 464 5134 0 5107 5 0 5 5 0 8 0 rwobjpl 56 86667 0 79042 113 5 108 109 0 8 0 pdppl 4096 10278 0 10214 304 236 68 78 0 8 4 pvpl 32 1560922 0 1540577 434 264 170 337 0 265 0 pmappl 248 5134 0 5107 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1187 0 347 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82bd4ff0) 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+0x1a kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:158 __mp_lock(ffffffff82cdebd8) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82cdebd8) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82cdebd8,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46b sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 biowait(fffffd806fae37f8) at biowait+0x91 sys/kern/vfs_bio.c:1278 bwrite(fffffd806fae37f8) at bwrite+0x21c sys/kern/vfs_bio.c:769 ffs_update(fffffd8071de8de0,1) at ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 ufs_mkdir(ffff800024721a40) at ufs_mkdir+0x443 sys/ufs/ufs/ufs_vnops.c:1184 VOP_MKDIR(fffffd80651287c8,ffff800024721ba0,ffff800024721bd0,ffff800024721ad0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212247f8,ffffff9c,701efbb9ea80,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 end trace frame: 0xffff800024721d40, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82bd4ff0) 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+0x1a kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:158 __mp_lock(ffffffff82cdebd8) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82cdebd8) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82cdebd8,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46b sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 biowait(fffffd806fae37f8) at biowait+0x91 sys/kern/vfs_bio.c:1278 bwrite(fffffd806fae37f8) at bwrite+0x21c sys/kern/vfs_bio.c:769 ffs_update(fffffd8071de8de0,1) at ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 ufs_mkdir(ffff800024721a40) at ufs_mkdir+0x443 sys/ufs/ufs/ufs_vnops.c:1184 VOP_MKDIR(fffffd80651287c8,ffff800024721ba0,ffff800024721bd0,ffff800024721ad0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212247f8,ffffff9c,701efbb9ea80,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff800024721d50) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800024721d50) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x701efbb9eaf0, count: -16 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279c915) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281f079,ffffffff827a94ce,2bb,ffffffff827a15b3) at __assert+0x29 sys/kern/subr_prf.c:157 splraise(a1100863) at splraise+0xb4 sys/arch/amd64/amd64/intr.c:699 mtx_enter_try(fffffd806f0440d8) at mtx_enter_try+0x73 sys/kern/kern_lock.c:291 mtx_enter(fffffd806f0440d8) at mtx_enter+0x4f sys/kern/kern_lock.c:266 knote_remove(ffff8000211d9d50,fffffd806f0440d8,fffffd806f044160,4,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000211d9d50,4) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000211d9d50) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000211d9d50,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000211d9d50,ffff80002e497d40,ffff80002e497d90) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e497e10) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e497e10) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75fafcee1440, count: 2 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8279c915) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281f079,ffffffff827a94ce,2bb,ffffffff827a15b3) at __assert+0x29 sys/kern/subr_prf.c:157 splraise(a1100863) at splraise+0xb4 sys/arch/amd64/amd64/intr.c:699 mtx_enter_try(fffffd806f0440d8) at mtx_enter_try+0x73 sys/kern/kern_lock.c:291 mtx_enter(fffffd806f0440d8) at mtx_enter+0x4f sys/kern/kern_lock.c:266 knote_remove(ffff8000211d9d50,fffffd806f0440d8,fffffd806f044160,4,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000211d9d50,4) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000211d9d50) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000211d9d50,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000211d9d50,ffff80002e497d40,ffff80002e497d90) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e497e10) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e497e10) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75fafcee1440, count: -13