panic: voppa_gniecn: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 679 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *278433 84544 32767 0x10 0 1 syz-executor.5 67199 7431 32767 0x10 0x4000000 0 syz-executor.7 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827a07b5) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281dc3a,ffffffff827e0332,2a7,ffffffff827d87dd) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: 11 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 *cpu0: vop_generic_badop cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/setuid/kernel/sys/kern/kern_fork.c", line 679 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827a07b5) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281dc3a,ffffffff827e0332,2a7,ffffffff827d87dd) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: -4 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e437090 rbx 0xffff800020d59b9f rdx 0 rcx 0xffff8000212962f0 rax 0xffff800020d58ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa6644c755eea4134 r11 0x18af67fb0bfc3759 r12 0xffff800020d599a0 r13 0 r14 0xffffffff82b6b9a0 cpu_info_full_primary+0x29a0 r15 0x1 rip 0xffffffff82537b9c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e437080 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.5) pid=278433 stat=onproc flags process=10 proc=0 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000212a7090,0xffffffff82d22c18 process=0xffff800021223680 user=0xffff80002e432000, vmspace=0xfffffd8069b7c3c0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *84544 278433 96908 32767 7 0x10 syz-executor.5 9910 56042 59979 32767 2 0x10 syz-executor.6 9910 13628 59979 32767 3 0x4000090 fsleep syz-executor.6 10388 476768 65086 32767 2 0x10 syz-executor.2 10388 353220 65086 32767 3 0x4000090 fsleep syz-executor.2 10388 514110 65086 32767 3 0x4000090 fsleep syz-executor.2 7431 237475 92931 32767 2 0x10 syz-executor.7 7431 67199 92931 32767 7 0x4000010 syz-executor.7 84817 263059 64774 32767 3 0x90 nanoslp syz-executor.1 84817 468935 64774 32767 3 0x4000090 fsleep syz-executor.1 84817 340519 64774 32767 3 0x4000090 fsleep syz-executor.1 31002 244205 85356 32767 2 0x10 syz-executor.0 31002 163731 85356 32767 3 0x4000090 fsleep syz-executor.0 65086 297363 76768 32767 3 0x90 nanoslp syz-executor.2 76768 297342 90642 0 3 0x82 wait syz-executor.2 18092 101263 0 0 3 0x14200 bored sosplice 3510 216065 18386 32767 3 0x10 biowait syz-executor.4 59979 22398 15833 32767 2 0x10 syz-executor.6 92931 470052 25608 32767 3 0x90 nanoslp syz-executor.7 15833 453974 90642 0 3 0x82 wait syz-executor.6 25608 478404 90642 0 3 0x82 wait syz-executor.7 96908 54044 72411 32767 2 0x10 syz-executor.5 18386 25621 90642 0 3 0x82 wait syz-executor.4 72411 369278 90642 0 3 0x82 wait syz-executor.5 64774 352210 31399 32767 3 0x90 nanoslp syz-executor.1 11140 103386 99073 32767 2 0x10 syz-executor.3 31399 293259 90642 0 3 0x82 wait syz-executor.1 99073 385274 90642 0 3 0x82 wait syz-executor.3 85356 290577 85808 32767 2 0x10 syz-executor.0 85808 312143 90642 0 3 0x82 wait syz-executor.0 90642 251136 80031 0 3 0x2000082 wait syz-fuzzer 90642 417848 80031 0 3 0x6000082 thrsleep syz-fuzzer 90642 219312 80031 0 3 0x6000082 thrsleep syz-fuzzer 90642 197376 80031 0 3 0x6000082 wait syz-fuzzer 90642 220490 80031 0 3 0x6000082 wait syz-fuzzer 90642 110636 80031 0 3 0x6000082 wait syz-fuzzer 90642 299577 80031 0 3 0x6000082 thrsleep syz-fuzzer 90642 294274 80031 0 3 0x6000082 kqread syz-fuzzer 90642 288396 80031 0 3 0x6000082 wait syz-fuzzer 90642 271617 80031 0 3 0x6000082 thrsleep syz-fuzzer 90642 150513 80031 0 3 0x6000082 thrsleep syz-fuzzer 90642 440857 80031 0 3 0x6000082 wait syz-fuzzer 90642 379709 80031 0 3 0x6000082 wait syz-fuzzer 90642 104678 80031 0 3 0x6000082 thrsleep syz-fuzzer 90642 451349 80031 0 3 0x6000082 wait syz-fuzzer 80031 75859 8376 0 3 0x10008a sigsusp ksh 8376 117696 36286 0 3 0x9a kqread sshd 29708 423079 1 0 3 0x100083 ttyin getty 36286 141535 1 0 3 0x88 kqread sshd 43347 380645 61596 73 3 0x1100090 kqread syslogd 61596 185343 1 0 3 0x100082 netio syslogd 67042 345141 1 0 3 0x100080 kqread resolvd 78420 35147 34837 77 3 0x100092 kqread dhcpleased 1666 444542 34837 77 3 0x100092 kqread dhcpleased 34837 400069 1 0 3 0x80 kqread dhcpleased 93737 123123 0 0 3 0x14200 bored smr 92627 316822 0 0 2 0x14200 zerothread 39930 157307 0 0 3 0x14200 aiodoned aiodoned 68439 276238 0 0 3 0x14200 syncer update 74120 513796 0 0 3 0x14200 cleaner cleaner 69844 388565 0 0 3 0x14200 reaper reaper 22446 20891 0 0 3 0x14200 pgdaemon pagedaemon 55328 445240 0 0 3 0x14200 bored viomb 14292 439902 0 0 3 0x40014200 acpi0 acpi0 17726 5867 0 0 3 0x40014200 idle1 62474 165892 0 0 3 0x14200 bored softnet3 99549 381727 0 0 3 0x14200 bored softnet2 77134 63295 0 0 3 0x14200 bored softnet1 94330 433781 0 0 3 0x14200 bored softnet0 2877 320953 0 0 3 0x14200 bored systqmp 57640 377816 0 0 3 0x14200 bored systq 66111 307547 0 0 3 0x40014200 bored softclock 38472 191828 0 0 3 0x40014200 idle0 1 388986 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 9910 (syz-executor.6) thread 0xffff8000212a7090 (13628) exclusive rrwlock inode r = 0 (0xfffffd8079f712b8) #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_makeinode+0xb2 sys/ufs/ufs/ufs_vnops.c:1817 #8 ufs_create+0x45 sys/ufs/ufs/ufs_vnops.c:151 #9 VOP_CREATE+0xc0 sys/kern/vfs_vops.c:103 #10 vn_open+0x27b sys/kern/vfs_vnops.c:116 #11 doopenat+0x26e sys/kern/vfs_syscalls.c:1126 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807a0d02c8) #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 vn_open+0x17b sys/kern/vfs_vnops.c:107 #8 doopenat+0x26e sys/kern/vfs_syscalls.c:1126 #9 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #9 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #10 Xsyscall+0x128 Process 7431 (syz-executor.7) thread 0xffff8000212a6dd8 (67199) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d318d8) #0 witness_lock+0x447 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x4e3 sys/kern/sched_bsd.c:431 #3 sleep_finish+0x198 sys/kern/kern_synch.c:414 #4 biowait+0x91 sys/kern/vfs_bio.c:1278 #5 bwrite+0x21c sys/kern/vfs_bio.c:769 #6 ffs_update+0x281 sys/ufs/ffs/ffs_inode.c:113 #7 ufs_mkdir+0x672 sys/ufs/ufs/ufs_vnops.c:1219 #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 (0xfffffd807a0d04e8) #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 ffs_inode_alloc+0x1c2 sys/ufs/ffs/ffs_alloc.c:394 #9 ufs_mkdir+0xf8 sys/ufs/ufs/ufs_vnops.c:1149 #10 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #11 domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 #12 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #12 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8079f71c48) #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 3510 (syz-executor.4) thread 0xffff8000212362e8 (216065) exclusive rrwlock inode r = 0 (0xfffffd8079f71098) #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 (0xfffffd807a0d0818) #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 10191 6409K 6419K 78643K 11275 0 pcb 13 10K 12K 78643K 15 0 rtable 236 6K 6K 78643K 446 0 pf 29 8K 8K 78643K 33 0 ifaddr 44 15K 15K 78643K 54 0 ifgroup 50 2K 2K 78643K 58 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 35K 78643K 64 0 ioctlops 0 0K 2K 78643K 37 0 iov 0 0K 8K 78643K 312 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1278 80K 80K 78643K 1974 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 30 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 340 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 24 89K 106K 78643K 2219 0 sigio 0 0K 0K 78643K 197 0 proc 56 78K 103K 78643K 635 0 subproc 104 6K 6K 78643K 130 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 2 0K 0K 78643K 238 0 in_multi 100 7K 7K 78643K 150 0 ether_multi 1 0K 0K 78643K 6 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 103 466K 466K 78643K 103 0 exec 0 0K 1K 78643K 494 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 368 86K 91K 78643K 24108 0 UVM aobj 51 2K 2K 78643K 54 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 11 0K 2K 78643K 33 0 temp 74 5876K 5942K 78643K 9040 0 kqueue 12 18K 24K 78643K 174 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 75 0 72 1 0 1 1 0 8 0 rtentry 112 138 0 27 4 0 4 4 0 8 0 unpcb 144 1434 0 1421 19 18 1 6 0 8 0 syncache 296 16 0 16 6 6 0 1 0 8 0 tcpqe 32 228 0 228 3 3 0 1 0 8 0 tcpcb 808 528 0 524 18 17 1 8 0 8 0 arp 120 22 0 4 1 0 1 1 0 8 0 ipq 40 7 0 7 1 1 0 1 0 8 0 ipqe 40 53 0 53 1 1 0 1 0 8 0 inpcb 368 1201 0 1189 26 24 2 13 0 8 0 nd6 136 35 0 10 1 0 1 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 550 0 96 29 0 29 29 0 8 0 art_table 32 551 0 96 4 0 4 4 0 8 0 art_node 16 137 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 11 1 0 1 1 0 8 0 semapl 112 338 0 328 1 0 1 1 0 8 0 shmpl 112 51 0 3 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4925 0 3476 91 0 91 91 0 8 0 ffsino 272 4925 0 3476 97 0 97 97 0 8 0 nchpl 144 8208 0 6563 63 0 63 63 0 8 0 uvmvnodes 80 5064 0 0 104 0 104 104 0 8 0 vnodes 216 5064 0 0 282 0 282 282 0 8 0 namei 1024 27507 0 27505 5 4 1 2 0 8 0 percpumem 16 45 0 2 1 0 1 1 0 8 0 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scxspl 216 28313 0 28312 15 14 1 8 1 8 0 plimitpl 152 445 0 422 5 4 1 2 0 8 0 sigapl 424 2512 0 2459 7 0 7 7 0 8 0 futexpl 64 18161 0 18155 2 1 1 1 0 8 0 knotepl 120 364 0 0 11 0 11 11 0 8 0 kqueuepl 216 444 0 436 6 5 1 5 0 8 0 pipepl 320 597 0 569 14 11 3 9 0 8 0 fdescpl 496 2494 0 2459 7 1 6 6 0 8 0 filepl 152 18164 0 17926 35 25 10 17 0 8 0 lockfpl 104 213 0 211 1 0 1 1 0 8 0 lockfspl 48 99 0 97 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 75 0 59 1 0 1 1 0 8 0 ucredpl 104 3156 0 3138 1 0 1 1 0 8 0 zombiepl 144 2459 0 2459 1 0 1 1 0 8 1 processpl 1072 2512 0 2459 4 0 4 4 0 8 0 procpl 696 6438 0 6364 11 3 8 9 0 8 0 sosppl 168 20 0 20 3 3 0 1 0 8 0 sockpl 488 3021 0 2996 78 74 4 21 0 8 0 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 12 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 1 2 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 245 0 0 31 0 31 31 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1016 0 0 58 0 58 58 0 8 0 bufpl 288 8527 0 2198 453 0 453 453 0 8 0 anonpl 24 385796 0 375213 128 49 79 96 0 186 6 amapchunkpl 152 76522 0 75648 53 16 37 47 0 158 2 amappl16 200 9685 0 9390 59 43 16 29 0 8 0 amappl15 192 19 0 18 1 0 1 1 0 8 0 amappl14 184 164 0 150 2 1 1 2 0 8 0 amappl13 176 22 0 21 2 1 1 1 0 8 0 amappl12 168 3153 0 3117 2 0 2 2 0 8 0 amappl11 160 53 0 42 1 0 1 1 0 8 0 amappl10 152 48 0 37 1 0 1 1 0 8 0 amappl9 144 201 0 200 1 0 1 1 0 8 0 amappl8 136 286 0 212 3 0 3 3 0 8 0 amappl7 128 90 0 78 1 0 1 1 0 8 0 amappl6 120 308 0 285 2 1 1 2 0 8 0 amappl5 112 222 0 214 1 0 1 1 0 8 0 amappl4 104 612 0 572 3 1 2 3 0 8 0 amappl3 96 15563 0 15466 3 0 3 3 0 8 0 amappl2 88 2795 0 2723 3 1 2 3 0 8 0 amappl1 80 17164 0 16634 22 9 13 22 0 8 0 amappl 88 23437 0 23186 9 2 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 53 0 3 1 0 1 1 0 8 0 uaddrrnd 24 2494 0 2459 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2494 0 2459 1 0 1 1 0 8 0 vmmpekpl 168 23772 0 23714 3 0 3 3 0 8 0 vmmpepl 168 165790 0 163428 161 52 109 126 0 357 3 vmsppl 464 2493 0 2459 6 1 5 5 0 8 0 rwobjpl 56 53305 0 46862 94 3 91 91 0 8 0 pdppl 4096 4996 0 4918 168 88 80 88 0 8 2 pvpl 32 954907 0 938174 363 127 236 362 0 265 86 pmappl 248 2493 0 2459 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 994 0 136 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82b6aff0) 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(ffffffff82d316d0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d316d0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000224ccc80,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d cnputc(6e) at cnputc+0x4f sys/dev/cons.c:218 db_putchar(6e) at db_putchar+0x3fc sys/ddb/db_output.c:155 kprintf() at kprintf+0x20fc sys/kern/subr_prf.c:1064 db_printf(ffffffff82822e6f) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff82792684) at panic+0xdb sys/kern/subr_prf.c:216 vop_generic_badop(ffff8000224cd0a8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd80696e6b38,fffffd80762e3b78) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 end trace frame: 0xffff8000224cd150, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82b6aff0) 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(ffffffff82d316d0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d316d0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000224ccc80,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d cnputc(6e) at cnputc+0x4f sys/dev/cons.c:218 db_putchar(6e) at db_putchar+0x3fc sys/ddb/db_output.c:155 kprintf() at kprintf+0x20fc sys/kern/subr_prf.c:1064 db_printf(ffffffff82822e6f) at db_printf+0x89 sys/kern/subr_prf.c:498 panic(ffffffff82792684) at panic+0xdb sys/kern/subr_prf.c:216 vop_generic_badop(ffff8000224cd0a8) at vop_generic_badop+0x1f sys/kern/vfs_default.c:133 VOP_STRATEGY(fffffd80696e6b38,fffffd80762e3b78) at VOP_STRATEGY+0x9f sys/kern/vfs_vops.c:628 bwrite(fffffd80762e3b78) at bwrite+0x1f1 sys/kern/vfs_bio.c:760 VOP_BWRITE(fffffd80762e3b78) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff8000224cd340) at ufs_mkdir+0x6c4 sys/ufs/ufs/ufs_vnops.c:1235 VOP_MKDIR(fffffd8079f3b6f8,ffff8000224cd4a0,ffff8000224cd4d0,ffff8000224cd3d0) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff8000212a6dd8,ffffff9c,20000040,188) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3073 syscall(ffff8000224cd650) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000224cd650) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd0cffa96460, count: -21 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(ffffffff827a07b5) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281dc3a,ffffffff827e0332,2a7,ffffffff827d87dd) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: 11 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827a07b5) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8281dc3a,ffffffff827e0332,2a7,ffffffff827d87dd) at __assert+0x29 sys/kern/subr_prf.c:157 proc_trampoline_mp() at proc_trampoline_mp+0x135 end trace frame: 0x0, count: -4