uvm_fault(0xffffffff8285a990, 0xffffffff82694e98, 0, 2) -> e kernel: page fault trap, code=0 Stopped at m_copyback+0x119: addq $0x1,0x8(%rcx,%rbx,8) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff8285a990, 0xffffffff82694e98, 0, 2) -> e m_copyback(ffff800020ef7980,bc,0,ffff800020ef7b44,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff800020ef7980,bc,0,ffff800020ef7b44,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 end trace frame: 0xffff800020ef7c00, count: 0 ddb{0}> trace m_copyback(ffff800020ef7980,bc,0,ffff800020ef7b44,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff800020ef7980,bc,0,ffff800020ef7b44,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 pflog_mtap(ffff800000044b80,ffff800020ef7c28,fffffd8066b4de00) at pflog_mtap+0x446 sys/net/if_pflog.c:390 pflog_packet(ffff800020ef7d28,0,ffff800000b79ff8,0,ffffffff82889230,0) at pflog_packet+0x3a4 pf_test(2,1,ffff800000b7c000,ffff800020ef7f48) at pf_test+0xfc5 sys/net/pf.c:7226 ip_input_if(ffff800020ef7f48,ffff800020ef7f54,4,0,ffff800000b7c000) at ip_input_if+0x578 sys/netinet/ip_input.c:331 ipv4_input(ffff800000b7c000,fffffd8066b4de00) at ipv4_input+0x48 sys/netinet/ip_input.c:230 tun_dev_write(5d01,ffff800020ef8238,ffff800022b15000,2) at tun_dev_write+0x204 sys/net/if_tun.c:867 spec_write(ffff800020ef8090) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e2fb0d8,ffff800020ef8238,11,fffffd807f7bf8a0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_write(fffffd806ca79bf0,ffff800020ef8238,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800020ec5b40,f0,ffff800020ef8238,0,ffff800020ef8320) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800020ec5b40,ffff800020ef82d0,ffff800020ef8320) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020ef83a0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ef83a0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d696131f30, count: -14 ddb{0}> show registers rdi 0 rsi 0xa1257 acpi_pdirpa+0x8d0bf rbp 0xffff800020ef7960 rbx 0xffffffffffff9d1a rdx 0xa1256 acpi_pdirpa+0x8d0be rcx 0xffffffff826c65c0 mbstat_boot_boot_cpumem rax 0 r8 0x2 r9 0xffffffff819098f8 pf_translate_a+0x1a8 r10 0x1 r11 0x616d28c9a109a018 r12 0xfffffd807b07e400 r13 0x9c r14 0x20 r15 0xffff800020ef7b60 rip 0xffffffff811dd469 m_copyback+0x119 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020ef78a0 ss 0x10 m_copyback+0x119: addq $0x1,0x8(%rcx,%rbx,8) ddb{0}> show proc PROC (syz-executor.1) pid=174777 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800020ec5650,0xffffffff82893668 process=0xffff800020ec6fc8 user=0xffff800020ef3000, vmspace=0xfffffd80080eda20 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 95565 259868 9051 0 7 0 syz-executor.1 *95565 174777 9051 0 7 0x4000000 syz-executor.1 38084 392958 0 0 3 0x14200 acct acct 9051 129408 10420 0 3 0x82 nanosleep syz-executor.1 73839 301846 10420 0 3 0x2 biowait syz-executor.0 48048 434274 1 0 3 0x100083 ttyin getty 61595 372238 0 0 3 0x14200 bored sosplice 10420 134259 70274 0 3 0x82 thrsleep syz-fuzzer 10420 134915 70274 0 3 0x4000082 nanosleep syz-fuzzer 10420 169754 70274 0 3 0x4000082 thrsleep syz-fuzzer 10420 136361 70274 0 3 0x4000082 thrsleep syz-fuzzer 10420 431810 70274 0 3 0x4000082 nanosleep syz-fuzzer 10420 356692 70274 0 3 0x4000082 thrsleep syz-fuzzer 10420 481527 70274 0 3 0x4000082 kqread syz-fuzzer 10420 495008 70274 0 3 0x4000082 thrsleep syz-fuzzer 70274 3644 67605 0 3 0x10008a pause ksh 67605 140884 89571 0 3 0x92 select sshd 89571 158625 1 0 3 0x80 select sshd 87678 201651 84895 74 3 0x100092 bpf pflogd 84895 6319 1 0 3 0x80 netio pflogd 64081 78384 15865 73 3 0x100090 kqread syslogd 15865 158187 1 0 3 0x100082 netio syslogd 65229 497706 1 77 3 0x100090 poll dhclient 96236 384576 1 0 3 0x80 poll dhclient 44109 35956 0 0 3 0x14200 bored smr 74969 330881 0 0 2 0x14200 zerothread 33571 262988 0 0 3 0x14200 aiodoned aiodoned 6705 35300 0 0 3 0x14200 syncer update 1381 115626 0 0 3 0x14200 cleaner cleaner 30742 34540 0 0 3 0x14200 reaper reaper 34212 70926 0 0 3 0x14200 pgdaemon pagedaemon 57283 405591 0 0 3 0x14200 bored crynlk 67404 359594 0 0 3 0x14200 bored crypto 80230 373185 0 0 3 0x40014200 acpi0 acpi0 49834 462935 0 0 3 0x40014200 idle1 52597 72774 0 0 3 0x14200 bored softnet 23206 190530 0 0 3 0x14200 bored systqmp 85477 497538 0 0 3 0x14200 bored systq 66520 264962 0 0 3 0x40014200 bored softclock 17459 6124 0 0 3 0x40014200 idle0 1 48098 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 95565 (syz-executor.1) thread 0xffff800020ec5b40 (174777) exclusive rwlock netlock r = 0 (0xffffffff82772dd0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 tun_dev_write+0x1f9 sys/net/if_tun.c:866 #2 spec_write+0xd4 sys/kern/spec_vnops.c:309 #3 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 #4 vn_write+0x14e sys/kern/vfs_vnops.c:414 #5 dofilewritev+0x1ab sys/kern/sys_generic.c:365 #6 sys_write+0x83 sys/kern/sys_generic.c:285 #7 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #7 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82893878) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 vn_write+0x42 sys/kern/vfs_vnops.c:399 #2 dofilewritev+0x1ab sys/kern/sys_generic.c:365 #3 sys_write+0x83 sys/kern/sys_generic.c:285 #4 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 #5 Xsyscall+0x128 Process 73839 (syz-executor.0) thread 0xffff800020ec58c8 (301846) exclusive rrwlock inode r = 0 (0xfffffd807e0b3b40) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 rw_enter+0x446 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+0x6c sys/kern/vfs_vnops.c:575 #5 vget+0x1c6 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x6b sys/ufs/ffs/ffs_vfsops.c:1321 #8 ufs_lookup+0x151d sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x708 sys/kern/vfs_lookup.c:568 #11 namei+0x5f7 sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807cafa0a0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1164 #1 rw_enter+0x446 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+0x6c sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x5f7 sys/kern/vfs_lookup.c:249 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #8 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9553 6445K 7527K 78643K 19873 0 pcb 13 8K 8K 78643K 385 0 rtable 123 7K 10K 78643K 1416 0 ifaddr 93 17K 19K 78643K 483 0 sysctl 3 1K 1K 78643K 3 0 counters 43 33K 34K 78643K 175 0 ioctlops 0 0K 4K 78643K 1936 0 iov 0 0K 24K 78643K 411 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 4502 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 24 0 VM map 2 1K 1K 78643K 2 0 sem 10 1K 1K 78643K 10 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 8276 0 sigio 0 0K 0K 78643K 42 0 proc 64 63K 95K 78643K 1284 0 subproc 32 2K 2K 78643K 211 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 436 0 in_multi 33 2K 2K 78643K 412 0 ether_multi 1 0K 0K 78643K 90 0 mrt 0 0K 0K 78643K 34 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 2K 78643K 839 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 254 179K 179K 78643K 20641 0 UVM aobj 84 8K 8K 78643K 105 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 436 0 NDP 17 0K 0K 78643K 122 0 temp 158 3981K 4079K 78643K 56943 0 kqueue 4 5K 18K 78643K 344 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 28 0 22 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 96 250 0 248 1 0 1 1 0 8 0 rtentry 112 218 0 174 2 0 2 2 0 8 0 unpcb 120 2218 0 2185 3 1 2 2 0 8 0 syncache 272 53 0 53 10 9 1 1 0 8 1 tcpqe 32 40 0 40 7 6 1 1 0 8 1 tcpcb 592 1357 0 1347 19 17 2 5 0 8 0 ipq 40 4 0 4 1 1 0 1 0 8 0 ipqe 40 12 0 12 1 1 0 1 0 8 0 inpcb 296 3588 0 3575 5 3 2 2 0 8 0 rttmr 72 9 0 9 2 2 0 1 0 8 0 nd6 48 51 0 45 1 0 1 1 0 8 0 pkpcb 40 39 0 39 5 5 0 1 0 8 0 kcovpl 48 12 0 10 1 0 1 1 0 8 0 swfcl 56 10 0 0 1 0 1 1 0 8 0 ppxss 1128 5 0 5 2 2 0 1 0 8 0 pfstscr 40 31 0 31 2 2 0 1 0 8 0 pffrag 232 24 0 24 3 3 0 1 0 482 0 pffrnode 88 24 0 24 3 3 0 1 0 8 0 pffrent 40 610 0 610 3 3 0 1 0 8 0 pfosfp 40 847 0 423 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 92 0 87 1 0 1 1 0 8 0 pftag 88 2 0 1 1 0 1 1 0 8 0 pfqueue 264 17 0 17 1 1 0 1 0 8 0 pfstitem 24 77 0 75 1 0 1 1 0 8 0 pfstkey 112 113 0 111 2 1 1 2 0 8 0 pfstate 328 95 0 93 5 4 1 5 0 8 0 pfsrctr 152 87 0 87 1 1 0 1 0 8 0 pfrule 1360 82 0 46 5 1 4 4 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 848 0 656 15 2 13 13 0 8 0 art_table 32 849 0 656 2 0 2 2 0 8 0 art_node 16 217 0 177 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 21 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 102 0 21 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 12177 0 10754 91 1 90 90 0 8 0 ffsino 272 12177 0 10754 98 2 96 96 0 8 0 nchpl 144 22497 0 20908 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 57409 0 57409 1 0 1 1 0 8 1 percpumem 16 98 0 66 1 0 1 1 0 8 0 vcpupl 1984 11 0 0 2 0 2 2 0 8 0 vmpool 560 16 0 5 1 0 1 1 0 8 0 pfiaddrpl 120 53 0 41 2 1 1 1 0 8 0 scsiplug 72 7 0 7 3 3 0 1 0 8 0 scxspl 200 72877 0 72876 20 19 1 7 0 8 0 plimitpl 152 335 0 327 1 0 1 1 0 8 0 sigapl 424 8464 0 8431 4 0 4 4 0 8 0 futexpl 56 65431 0 65431 1 0 1 1 0 8 1 knotepl 112 559 0 539 1 0 1 1 0 8 0 kqueuepl 152 4919 0 4903 2 0 2 2 0 8 0 pipepl 304 490 0 479 17 15 2 2 0 8 1 fdescpl 496 8447 0 8431 3 0 3 3 0 8 0 filepl 152 31697 0 31595 9 4 5 7 0 8 0 lockfpl 104 1096 0 1095 1 0 1 1 0 8 0 lockfspl 48 434 0 433 1 0 1 1 0 8 0 sessionpl 120 29 0 18 1 0 1 1 0 8 0 pgrppl 48 56 0 45 1 0 1 1 0 8 0 ucredpl 96 4300 0 4291 1 0 1 1 0 8 0 zombiepl 144 8431 0 8431 1 0 1 1 0 8 1 processpl 1008 8464 0 8431 5 0 5 5 0 8 0 procpl 632 19053 0 19012 5 1 4 5 0 8 0 srpgc 72 2 0 2 1 1 0 1 0 8 0 sosppl 144 35 0 35 4 4 0 1 0 8 0 sockpl 400 6107 0 6059 11 5 6 7 0 8 0 mcl64k 65536 357 0 0 39 5 34 34 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 41 0 0 2 0 2 2 0 8 0 mcl9k 9216 24 0 0 2 0 2 2 0 8 0 mcl8k 8192 26 0 0 4 1 3 3 0 8 0 mcl4k 4096 18 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 324 0 0 16 0 16 16 0 8 0 mtagpl 96 324 0 0 8 0 8 8 0 8 0 mbufpl 256 972 0 0 57 0 57 57 0 8 0 bufpl 280 20489 0 14214 449 0 449 449 0 8 0 anonpl 16 732955 0 723749 113 73 40 47 0 124 2 amapchunkpl 152 37146 0 36894 42 31 11 18 0 158 0 amappl16 192 28202 0 27882 67 49 18 26 0 8 2 amappl15 184 4084 0 4082 2 1 1 1 0 8 0 amappl14 176 16 0 13 1 0 1 1 0 8 0 amappl13 168 1787 0 1785 1 0 1 1 0 8 0 amappl12 160 1662 0 1657 2 1 1 1 0 8 0 amappl11 152 268 0 253 1 0 1 1 0 8 0 amappl10 144 27 0 21 1 0 1 1 0 8 0 amappl9 136 950 0 950 2 2 0 1 0 8 0 amappl8 128 1167 0 1023 5 0 5 5 0 8 0 amappl7 120 390 0 380 1 0 1 1 0 8 0 amappl6 112 378 0 352 1 0 1 1 0 8 0 amappl5 104 7053 0 7039 1 0 1 1 0 8 0 amappl4 96 2082 0 2042 4 2 2 2 0 8 0 amappl3 88 1739 0 1733 1 0 1 1 0 8 0 amappl2 80 63961 0 63881 3 1 2 3 0 8 0 amappl1 72 231957 0 231491 26 16 10 19 0 8 0 amappl 80 19572 0 19490 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 64 104 0 21 2 0 2 2 0 8 0 uaddrrnd 24 8463 0 8436 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8463 0 8436 1 0 1 1 0 8 0 vmmpekpl 168 44008 0 43968 3 0 3 3 0 8 0 vmmpepl 168 1034451 0 1032773 143 63 80 88 0 357 2 vmsppl 368 8462 0 8436 3 0 3 3 0 8 0 pdppl 4096 16933 0 16883 7 0 7 7 0 8 0 pvpl 32 3113216 0 3100842 264 153 111 127 0 265 8 pmappl 232 8462 0 8436 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 367 0 28 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace m_copyback(ffff800020ef7980,bc,0,ffff800020ef7b44,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline] m_copyback(ffff800020ef7980,bc,0,ffff800020ef7b44,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756 pflog_mtap(ffff800000044b80,ffff800020ef7c28,fffffd8066b4de00) at pflog_mtap+0x446 sys/net/if_pflog.c:390 pflog_packet(ffff800020ef7d28,0,ffff800000b79ff8,0,ffffffff82889230,0) at pflog_packet+0x3a4 pf_test(2,1,ffff800000b7c000,ffff800020ef7f48) at pf_test+0xfc5 sys/net/pf.c:7226 ip_input_if(ffff800020ef7f48,ffff800020ef7f54,4,0,ffff800000b7c000) at ip_input_if+0x578 sys/netinet/ip_input.c:331 ipv4_input(ffff800000b7c000,fffffd8066b4de00) at ipv4_input+0x48 sys/netinet/ip_input.c:230 tun_dev_write(5d01,ffff800020ef8238,ffff800022b15000,2) at tun_dev_write+0x204 sys/net/if_tun.c:867 spec_write(ffff800020ef8090) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e2fb0d8,ffff800020ef8238,11,fffffd807f7bf8a0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_write(fffffd806ca79bf0,ffff800020ef8238,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800020ec5b40,f0,ffff800020ef8238,0,ffff800020ef8320) at dofilewritev+0x1ab sys/kern/sys_generic.c:365 sys_write(ffff800020ec5b40,ffff800020ef82d0,ffff800020ef8320) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020ef83a0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ef83a0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:568 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d696131f30, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d80ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 end of kernel end trace frame: 0x7f7ffffcd300, count: -3