panic: pool_cache_iWtAeRmNI_NmGa:g icS_PcL hNecOTk : LOmWbEuRfEpDl OcNp u SYfSreCAeL Ll i1s3t7 mo-1d9i7f8i8e8d :E XiItTe m0 a9d dr Stopped at savectx+0xb1: movl $0,%gs:0x530 TID PID UID PRFLAGS PFLAGS CPU COMMAND *429070 76132 0 0x2 0 0 syz-executor.0 209501 87618 0 0x14000 0x200 1 softnet savectx() at savectx+0xb1 end of kernel end trace frame: 0x7f7ffffcfaf0, count: 14 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 pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd80699ec400+16 0x0!=0x881ab9e01460d965 ddb{0}> trace savectx() at savectx+0xb1 end of kernel end trace frame: 0x7f7ffffcfaf0, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800020f6be20 rbx 0 rdx 0x8b rcx 0x2 rax 0x39 r8 0xffffffff81c69d7f kprintf+0x16f r9 0x1 r10 0x2 r11 0x86f30ec4b80ce8e7 r12 0 r13 0 r14 0xffff800020e6dad8 r15 0 rip 0xffffffff81c753f1 savectx+0xb1 cs 0x8 rflags 0x46 rsp 0xffff800020f6bda0 ss 0x10 savectx+0xb1: movl $0,%gs:0x530 ddb{0}> show proc PROC (syz-executor.0) pid=429070 stat=onproc flags process=2 proc=0 pri=69, usrpri=69, nice=20 forw=0xffffffffffffffff, list=0xffff800020e6c9c8,0xffff800020e93af8 process=0xffff800020ec9b00 user=0xffff800020f66000, vmspace=0xfffffd807efffcf0 estcpu=36, cpticks=3, pctcpu=0.13 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77324 67350 19964 0 2 0x2 syz-executor.1 *76132 429070 19964 0 7 0x2 syz-executor.0 19964 365965 4751 0 3 0x82 thrsleep syz-fuzzer 19964 348052 4751 0 3 0x4000082 nanosleep syz-fuzzer 19964 489504 4751 0 3 0x4000082 thrsleep syz-fuzzer 19964 250206 4751 0 3 0x4000082 nanosleep syz-fuzzer 19964 116946 4751 0 3 0x4000082 kqread syz-fuzzer 19964 167545 4751 0 3 0x4000082 thrsleep syz-fuzzer 19964 276719 4751 0 3 0x4000082 thrsleep syz-fuzzer 19964 326315 4751 0 3 0x4000082 thrsleep syz-fuzzer 19964 281485 4751 0 3 0x4000082 thrsleep syz-fuzzer 19964 421788 4751 0 3 0x4000082 thrsleep syz-fuzzer 4751 457085 29510 0 3 0x10008a pause ksh 29510 430748 32696 0 3 0x92 select sshd 36179 255460 1 0 3 0x100083 ttyin getty 32696 444292 1 0 3 0x80 select sshd 77549 331148 71412 74 3 0x100092 bpf pflogd 71412 321793 1 0 3 0x80 netio pflogd 47299 441302 69900 73 3 0x100090 kqread syslogd 69900 103778 1 0 3 0x100082 netio syslogd 13904 161 1 77 3 0x100090 poll dhclient 31872 192289 1 0 3 0x80 poll dhclient 50588 410177 0 0 3 0x14200 bored smr 43190 476814 0 0 3 0x14200 pgzero zerothread 26816 429984 0 0 3 0x14200 aiodoned aiodoned 89029 22876 0 0 3 0x14200 syncer update 60751 326334 0 0 3 0x14200 cleaner cleaner 81619 519301 0 0 3 0x14200 reaper reaper 88553 230558 0 0 3 0x14200 pgdaemon pagedaemon 32194 29371 0 0 3 0x14200 bored crynlk 22394 139246 0 0 3 0x14200 bored crypto 30884 442501 0 0 3 0x40014200 acpi0 acpi0 97342 504342 0 0 3 0x40014200 idle1 87618 209501 0 0 7 0x14200 softnet 61546 50942 0 0 3 0x14200 bored systqmp 60682 269545 0 0 3 0x14200 bored systq 24994 303536 0 0 3 0x40014200 bored softclock 27250 470066 0 0 3 0x40014200 idle0 1 136406 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &iopl->mtx r = 0 (0xffff800000038170) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 scsi_xsh_runqueue+0x37 scsi_pending_start sys/scsi/scsi_base.c:214 [inline] #3 scsi_xsh_runqueue+0x37 sys/scsi/scsi_base.c:576 #4 scsi_xsh_add+0xc9 sys/scsi/scsi_base.c:535 #5 sdstrategy+0x187 sys/scsi/sd.c:585 #6 spec_strategy+0x74 sys/kern/spec_vnops.c:468 #7 ufs_strategy+0x17c #8 VOP_STRATEGY+0x99 sys/kern/vfs_vops.c:712 #9 bwrite+0x1b9 sys/kern/vfs_bio.c:756 #10 ufs_dirremove+0x291 #11 ufs_rmdir+0x247 sys/ufs/ufs/ufs_vnops.c:1328 #12 VOP_RMDIR+0xf8 sys/kern/vfs_vops.c:474 #13 dounlinkat+0x14c sys/kern/vfs_syscalls.c:1886 #14 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #15 Xsyscall+0x128 Process 76132 (syz-executor.0) thread 0xffff800020e6dad8 (429070) exclusive rrwlock inode r = 0 (0xfffffd8064700d68) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vget+0x1c8 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1329 #8 ufs_lookup+0x14b7 sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568 #11 namei+0x63c sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806881e2c0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff826b0e70) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 exclusive mutex &iopl->mtx r = 0 (0xffff800000038170) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 scsi_xsh_runqueue+0x37 scsi_pending_start sys/scsi/scsi_base.c:214 [inline] #3 scsi_xsh_runqueue+0x37 sys/scsi/scsi_base.c:576 #4 scsi_xsh_add+0xc9 sys/scsi/scsi_base.c:535 #5 sdstrategy+0x187 sys/scsi/sd.c:585 #6 spec_strategy+0x74 sys/kern/spec_vnops.c:468 #7 ufs_strategy+0x17c #8 VOP_STRATEGY+0x99 sys/kern/vfs_vops.c:712 #9 bwrite+0x1b9 sys/kern/vfs_bio.c:756 #10 ufs_dirremove+0x291 #11 ufs_rmdir+0x247 sys/ufs/ufs/ufs_vnops.c:1328 #12 VOP_RMDIR+0xf8 sys/kern/vfs_vops.c:474 #13 dounlinkat+0x14c sys/kern/vfs_syscalls.c:1886 #14 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #15 Xsyscall+0x128 Process 87618 (softnet) thread 0xffff800020e18000 (209501) exclusive rwlock netlock r = 0 (0xffffffff824e45e8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 if_input_process+0x85 sys/net/if.c:941 #3 ifiq_process+0x80 sys/net/ifq.c:646 #4 taskq_thread+0x9c sys/kern/kern_task.c:369 #5 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002b0e0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0x8f sys/kern/kern_task.c:368 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9527 6541K 6785K 78643K 10928 0 pcb 13 8K 8K 78643K 60 0 rtable 119 14K 15K 78643K 320 0 ifaddr 80 16K 16K 78643K 126 0 counters 43 33K 34K 78643K 47 0 ioctlops 0 0K 4K 78643K 1513 0 iov 0 0K 16K 78643K 42 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 1327 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 18 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 258 0 sigio 0 0K 0K 78643K 2 0 proc 60 63K 83K 78643K 472 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 26 0 in_multi 52 2K 2K 78643K 79 0 ether_multi 1 0K 0K 78643K 9 0 mrt 1 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 233 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 123 39K 39K 78643K 1754 0 UVM aobj 6 2K 2K 78643K 6 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 20 0 NDP 12 0K 0K 78643K 18 0 temp 125 3042K 3110K 78643K 8299 0 kqueue 3 4K 10K 78643K 8 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 arp 64 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 38 0 36 1 0 1 1 0 8 0 rtentry 112 47 0 3 2 0 2 2 0 8 0 unpcb 120 379 0 369 1 0 1 1 0 8 0 syncache 264 10 0 10 2 1 1 1 0 8 1 tcpqe 32 659 0 659 2 1 1 1 0 8 1 tcpcb 544 230 0 225 1 0 1 1 0 8 0 inpcb 280 559 0 551 2 0 2 2 0 8 1 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 45 0 45 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 35 0 30 1 0 1 1 0 8 0 pfstitem 24 41 0 2 1 0 1 1 0 8 0 pfstkey 112 41 0 2 2 0 2 2 0 8 0 pfstate 328 41 0 2 4 0 4 4 0 8 0 pfrule 1360 29 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 46 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 7 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1748 0 343 89 0 89 89 0 8 0 ffsino 272 1748 0 343 96 1 95 95 0 8 0 nchpl 144 2288 0 681 60 0 60 60 0 8 0 uvmvnodes 72 1865 0 0 34 0 34 34 0 8 0 vnodes 208 1865 0 0 99 0 99 99 0 8 0 namei 1024 6091 0 6091 2 1 1 1 0 8 1 percpumem 16 34 0 2 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 12 0 8 1 0 1 1 0 8 0 scxspl 192 6710 0 6710 7 4 3 6 0 8 3 plimitpl 152 25 0 17 1 0 1 1 0 8 0 sigapl 424 473 0 443 4 0 4 4 0 8 0 futexpl 56 4001 0 4001 1 0 1 1 0 8 1 knotepl 112 67 0 48 1 0 1 1 0 8 0 kqueuepl 144 26 0 24 1 0 1 1 0 8 0 pipelkpl 48 107 0 97 1 0 1 1 0 8 0 pipepl 120 214 0 195 1 0 1 1 0 8 0 fdescpl 496 458 0 443 3 0 3 3 0 8 0 filepl 152 2840 0 2739 6 1 5 5 0 8 1 lockfpl 104 86 0 85 1 0 1 1 0 8 0 lockfspl 48 29 0 28 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 165 0 155 1 0 1 1 0 8 0 zombiepl 144 443 0 443 2 1 1 1 0 8 1 processpl 984 473 0 443 6 1 5 5 0 8 1 procpl 624 969 0 930 4 0 4 4 0 8 0 sockpl 400 981 0 961 6 1 5 5 0 8 2 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 253 0 0 31 0 31 31 0 8 0 mtagpl 80 24 0 0 1 0 1 1 0 8 0 mbufpl 256 303 0 0 18 0 18 18 0 8 0 bufpl 280 4182 0 135 290 0 290 290 0 8 0 anonpl 16 55017 0 39146 67 1 66 66 0 124 1 amapchunkpl 152 2863 0 2707 20 2 18 20 0 158 8 amappl16 192 1984 0 1146 44 0 44 44 0 8 1 amappl15 184 126 0 124 1 0 1 1 0 8 0 amappl14 176 25 0 19 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 1 0 1 1 1 0 1 0 8 0 amappl11 152 177 0 161 1 0 1 1 0 8 0 amappl10 144 24 0 18 1 0 1 1 0 8 0 amappl9 136 388 0 387 1 0 1 1 0 8 0 amappl8 128 355 0 325 2 0 2 2 0 8 0 amappl7 120 129 0 115 1 0 1 1 0 8 0 amappl6 112 151 0 145 1 0 1 1 0 8 0 amappl5 104 236 0 220 1 0 1 1 0 8 0 amappl4 96 606 0 578 1 0 1 1 0 8 0 amappl3 88 113 0 106 1 0 1 1 0 8 0 amappl2 80 2727 0 2663 2 0 2 2 0 8 0 amappl1 72 20094 0 19665 23 13 10 18 0 8 0 amappl 80 1229 0 1184 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 460 0 443 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 460 0 443 1 0 1 1 0 8 0 vmmpekpl 168 7464 0 7434 2 0 2 2 0 8 0 vmmpepl 168 62358 0 60463 122 15 107 114 0 357 17 vmsppl 368 459 0 443 2 0 2 2 0 8 0 pdppl 4096 928 0 888 6 0 6 6 0 8 0 pvpl 32 186116 0 167190 163 1 162 162 0 265 5 pmappl 232 459 0 443 3 1 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 279 0 6 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace savectx() at savectx+0xb1 end of kernel end trace frame: 0x7f7ffffcfaf0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,20) at x86_bus_space_io_write_1+0x45 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,20) at comcnputc+0x131 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,20) at comcnputc+0x131 sys/dev/ic/com.c:1254 cnputc(20) at cnputc+0x4c sys/dev/cons.c:239 kputchar(20,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343 kprintf() at kprintf+0x15c sys/kern/subr_prf.c:700 panic(ffffffff821fdb10) at panic+0xf3 vprintf sys/kern/subr_prf.c:528 [inline] panic(ffffffff821fdb10) at panic+0xf3 sys/kern/subr_prf.c:197 pool_cache_get(ffffffff826b7ec0) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff826b7ec0) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff826b7ec0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd80743a3d00,1b80,2c4,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd80743a3d00,1b80,2c4,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000a0c760) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_input(ffff800020e39cf8,ffff800020e39d04,6,2) at tcp_input+0x2356 end trace frame: 0xffff800020e39bb0, count: 0 ddb{1}> trace x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,20) at x86_bus_space_io_write_1+0x45 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,20) at comcnputc+0x131 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,20) at comcnputc+0x131 sys/dev/ic/com.c:1254 cnputc(20) at cnputc+0x4c sys/dev/cons.c:239 kputchar(20,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343 kprintf() at kprintf+0x15c sys/kern/subr_prf.c:700 panic(ffffffff821fdb10) at panic+0xf3 vprintf sys/kern/subr_prf.c:528 [inline] panic(ffffffff821fdb10) at panic+0xf3 sys/kern/subr_prf.c:197 pool_cache_get(ffffffff826b7ec0) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff826b7ec0) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff826b7ec0,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd80743a3d00,1b80,2c4,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd80743a3d00,1b80,2c4,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000a0c760) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_input(ffff800020e39cf8,ffff800020e39d04,6,2) at tcp_input+0x2356 ip_deliver(ffff800020e39cf8,ffff800020e39d04,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020e39cf8,ffff800020e39d04,ffff800020e18000,0) at ip_ours+0x412 ip_input_if(ffff800020e39cf8,ffff800020e39d04,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd80743a4e00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd80743a4e00,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020e39e28) at if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] if_input_process(ffff80000017b2a8,ffff800020e39e28) at if_input_process+0x10b sys/net/if.c:942 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: -22