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zsh: segmentation fault ./virtualization
Guest Side
- use focal-server-cloudimg-arm64.img
-
Linux km-silicon 5.4.0-84-generic #94-Ubuntu SMP Thu Aug 26 19:28:28 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
-
- use socat
- same as this
$ cat cli.sh
#!/usr/bin/bash
while true; do
echo hello | /usr/local/bin/socat - VSOCK-CONNECT:2:8321
sleep 1
done
Clash log
root@km-silicon:~# ./cli.sh
2021/12/13 02:23:23 socat[980] E connect(5, AF=40 cid:2 port:8321, 16): Connection reset by peer
2021/12/13 02:23:24 socat[984] E connect(5, AF=40 cid:2 port:8321, 16): Connection reset by peer
2021/12/13 02:23:25 socat[987] E connect(5, AF=40 cid:2 port:8321, 16): Connection reset by peer
[ 102.328859] kernel BUG at arch/arm64/kernel/traps.c:405!
[ 102.329110] Internal error: Oops - BUG: 0 [#1] SMP
[ 102.329222] Modules linked in: dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua bridge stp llc vmw_vsock_virtio_transport vmw_vsock_virtio_transport_common vsock virtio_rng uio_pdrv_genirq uio sch_fq_codel drm ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_ce ghash_ce sha3_ce sha3_generic sha512_ce sha512_arm64 sha2_ce sha256_arm64 sha1_ce virtio_blk virtio_net net_failover failover aes_neon_bs aes_neon_blk aes_ce_blk crypto_simd cryptd aes_ce_cipher
[ 102.330499] CPU: 0 PID: 352 Comm: systemd-journal Not tainted 5.4.0-84-generic #94-Ubuntu
[ 102.330606] pstate: 00400005 (nzcv daif +PAN -UAO)
[ 102.330733] pc : do_undefinstr+0x68/0x70
[ 102.330788] lr : do_undefinstr+0x3c/0x70
[ 102.330836] sp : ffff80001203bbc0
[ 102.330883] x29: ffff80001203bbc0 x28: ffff0000a9b0cb00
[ 102.330959] x27: 0000000000000000 x26: 0000000000000000
[ 102.331030] x25: 000000007fff0000 x24: 0000000000000000
[ 102.331104] x23: 0000000040400005 x22: ffff80000002517c
[ 102.331180] x21: ffff80001203bd20 x20: 0000ffffffffffff
[ 102.331249] x19: ffff80001203bbe0 x18: 0000000000000000
[ 102.331322] x17: 0000000000000000 x16: 0000000000000000
[ 102.331400] x15: 0000000000000000 x14: 0000000000000000
[ 102.331469] x13: 0000000000000000 x12: 0000000000000000
[ 102.331537] x11: 0000000000000000 x10: 0000000000000000
[ 102.331608] x9 : 0000000040000040 x8 : 0000ffffc27c05e0
[ 102.331714] x7 : 0000ffffab6345a8 x6 : ffff80001203bbb8
[ 102.331788] x5 : 0000000000000000 x4 : 0000000000000000
[ 102.331857] x3 : ffff800011b85a78 x2 : 0000000000000000
[ 102.331930] x1 : 0000000000000000 x0 : 0000000040400005
[ 102.332005] Call trace:
[ 102.332044] do_undefinstr+0x68/0x70
[ 102.332125] el1_undef+0x10/0xb4
[ 102.332239] 0xffff80000002517c
[ 102.332320] __secure_computing+0x50/0xe0
[ 102.332389] syscall_trace_enter+0x184/0x1c0
[ 102.332463] el0_svc_common.constprop.0+0x70/0x1f0
[ 102.332536] el0_svc_handler+0x38/0xa8
[ 102.332602] el0_svc+0x10/0x2c8
[ 102.332671] Code: 94005368 f9400bf3 a8c27bfd d65f03c0 (d4210000)
[ 102.332850] ---[ end trace 82c01dc59ca40dcd ]---
[ 102.368087] systemd[1]: systemd-journald.service: Scheduled restart job, restart counter is at 1.
[ 102.388590] systemd[1]: Stopping Flush Journal to Persistent Storage...
[ 102.403682] systemd[1]: motd-news.service: Succeeded.
[ 102.404700] systemd[1]: Finished Message of the Day.
[ 102.406742] systemd[1]: systemd-journal-flush.service: Succeeded.
[ 102.407392] systemd[1]: Stopped Flush Journal to Persistent Storage.
[ 102.407667] systemd[1]: Stopped Journal Service.
[ 102.411246] systemd[1]: Starting Journal Service...
[ 102.455216] ------------[ cut here ]------------
[ 102.455294] WARNING: CPU: 0 PID: 0 at kernel/rcu/tree.c:569 rcu_idle_enter+0x74/0x80
[ 102.455355] Modules linked in: dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua bridge stp llc vmw_vsock_virtio_transport vmw_vsock_virtio_transport_common vsock virtio_rng uio_pdrv_genirq uio sch_fq_codel drm ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_ce ghash_ce sha3_ce sha3_generic sha512_ce sha512_arm64 sha2_ce sha256_arm64 sha1_ce virtio_blk virtio_net net_failover failover aes_neon_bs aes_neon_blk aes_ce_blk crypto_simd cryptd aes_ce_cipher
[ 102.455747] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D 5.4.0-84-generic #94-Ubuntu
[ 102.455820] pstate: 20c00085 (nzCv daIf +PAN +UAO)
[ 102.455857] pc : rcu_idle_enter+0x74/0x80
[ 102.455897] lr : do_idle+0x210/0x298
[ 102.455921] sp : ffff800011b73ed0
[ 102.455941] x29: ffff800011b73ed0 x28: 00000000714b0018
[ 102.455983] x27: 0000000000000000 x26: 0000000000000000
[ 102.456003] x25: 0000000000000000 x24: ffff800011b79454
[ 102.456028] x23: ffff800011b82e40 x22: ffff800011691838
[ 102.456055] x21: ffff800011b79418 x20: 0000000000000000
[ 102.456092] x19: ffff800011b79338 x18: 0000000000000000
[ 102.456138] x17: 0000000000000000 x16: 0000000000000000
[ 102.456167] x15: 0000000000000000 x14: 0000000000000000
[ 102.456210] x13: 0000000000000000 x12: 0000000000000001
[ 102.456238] x11: ffff800011258368 x10: 0000000000000ad0
[ 102.456273] x9 : ffff800011b73e00 x8 : ffff800011b83970
[ 102.456310] x7 : 0000000000000000 x6 : 000051d67bbdf899
[ 102.456336] x5 : 00ffffffffffffff x4 : 0000000000001ae2
[ 102.456371] x3 : 4000000000000002 x2 : 4000000000000000
[ 102.456407] x1 : ffff800011693b00 x0 : ffff0000adbe6b00
[ 102.456432] Call trace:
[ 102.456444] rcu_idle_enter+0x74/0x80
[ 102.456489] do_idle+0x210/0x298
[ 102.456538] cpu_startup_entry+0x30/0xb8
[ 102.456587] rest_init+0xc0/0xcc
[ 102.456639] arch_call_rest_init+0x18/0x20
[ 102.456671] start_kernel+0x4cc/0x500
[ 102.456689] ---[ end trace 82c01dc59ca40dce ]---
[ 102.536777] systemd-journald[1240]: File /var/log/journal/4c97dcebbda44c73a9830202169730e5/system.journal corrupted or uncleanly shut down, renaming and replacing.
[ 102.629417] systemd[1]: Started Journal Service.
[ 102.638990] systemd-journald[1240]: Received client request to flush runtime journal.
zsh: segmentation fault ./virtualization
Host Side
if newState == vz.VirtualMachineStateRunning {
log.Println("start VM is running")
listener := vz.NewVirtioSocketListener(func(conn *vz.VirtioSocketConnection, err error) {
defer func() {
if err := conn.Close(); err != nil {
log.Println("closing error", err)
}
}()
log.Println("call", err)
log.Println("conn", conn.RemoteAddr(), conn.LocalAddr())
_, err = io.Copy(log.Writer(), conn)
log.Println("err", err)
})
time.Sleep(30 * time.Second)
socketDevices := vm.SocketDevices()
for _, socketDevice := range socketDevices {
log.Println("listen...")
socketDevice.SetSocketListenerForPort(listener, 8321)
log.Println("done.")
}
}
Clash log
I've gotten by
$ cat ~/Library/Logs/DiagnosticReports/virtualization_2021-12-13-113904_mac-mini.crash | pbcopy
Process: virtualization [18487]
Path: /Users/USER/*/virtualization
Identifier: virtualization
Version: 0
Code Type: ARM-64 (Native)
Parent Process: zsh [15217]
User ID: 501
Date/Time: 2021-12-13 11:39:04.024 +0900
OS Version: macOS 11.6 (20G165)
Report Version: 12
Anonymous UUID: 1C28D546-716A-F6B7-A889-1A3819FB7AAC
Sleep/Wake UUID: 725F0E6B-3962-4620-86C6-FCB3D8C9A235
Time Awake Since Boot: 3700000 seconds
Time Since Wake: 1700 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGSEGV)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: virtualization [18487]
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x000000018cfe8548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x000000018d01fdac _pthread_cond_wait + 1248
2 virtualization 0x00000001041a8138 runtime.pthread_cond_wait_trampoline + 24
3 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 1:
0 libsystem_kernel.dylib 0x000000018cfe8548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x000000018d01fdd8 _pthread_cond_wait + 1292
2 virtualization 0x00000001041a816c runtime.pthread_cond_timedwait_relative_np_trampoline + 28
3 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 2:
0 libsystem_kernel.dylib 0x000000018cfe59bc read + 8
1 virtualization 0x00000001041a799c runtime.read_trampoline + 28
Thread 3:
0 libsystem_kernel.dylib 0x000000018cfe8548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x000000018d01fdac _pthread_cond_wait + 1248
2 virtualization 0x00000001041a8138 runtime.pthread_cond_wait_trampoline + 24
3 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 4:
0 libsystem_kernel.dylib 0x000000018cfe8548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x000000018d01fdac _pthread_cond_wait + 1248
2 virtualization 0x00000001041a8138 runtime.pthread_cond_wait_trampoline + 24
3 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 5:
0 libsystem_kernel.dylib 0x000000018cfe8548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x000000018d01fdac _pthread_cond_wait + 1248
2 virtualization 0x00000001041a8138 runtime.pthread_cond_wait_trampoline + 24
3 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 6:
0 libsystem_kernel.dylib 0x000000018cfe8548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x000000018d01fdac _pthread_cond_wait + 1248
2 virtualization 0x00000001041a8138 runtime.pthread_cond_wait_trampoline + 24
3 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 7:
0 libsystem_kernel.dylib 0x000000018cfe8548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x000000018d01fdac _pthread_cond_wait + 1248
2 virtualization 0x00000001041a8138 runtime.pthread_cond_wait_trampoline + 24
3 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 8:
0 libsystem_pthread.dylib 0x000000018d01a5cc start_wqthread + 0
Thread 9:: Dispatch queue: c6rb3g5mmud4gdpjo080
0 libsystem_kernel.dylib 0x000000018cfe8344 __semwait_signal + 8
1 libsystem_c.dylib 0x000000018cf64284 nanosleep + 216
2 libsystem_c.dylib 0x000000018cf64148 usleep + 68
3 virtualization 0x00000001041a7d84 runtime.usleep_trampoline + 20
4 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 10:
0 libsystem_kernel.dylib 0x000000018cfe8548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x000000018d01fdac _pthread_cond_wait + 1248
2 virtualization 0x00000001041a8138 runtime.pthread_cond_wait_trampoline + 24
3 virtualization 0x00000001041a6ec8 runtime.asmcgocall + 200
Thread 0 crashed with ARM Thread State (64-bit):
x0: 0x0000000000000104 x1: 0x0000000000000000 x2: 0x0000000000000300 x3: 0x0000000000000000
x4: 0x0000000000000000 x5: 0x00000000000000a0 x6: 0x0000000000000000 x7: 0x0000000000000000
x8: 0x000000016bcbe858 x9: 0x0000000000000301 x10: 0x00000001042dbd78 x11: 0x0000010000000102
x12: 0x0000000000000100 x13: 0x0000000000000000 x14: 0x0000000000000100 x15: 0x0000000000000001
x16: 0x0000000000000131 x17: 0x00000001fbaa6e48 x18: 0x0000000000000000 x19: 0x00000001042dbd60
x20: 0x00000001042dbda0 x21: 0x0000000104537e20 x22: 0x0000000000000000 x23: 0x0000000000000000
x24: 0x0000000000000300 x25: 0x0000000000000301 x26: 0x0000000000000400 x27: 0x0000000000000020
x28: 0x00000001042db620 fp: 0x000000016bcbe8d0 lr: 0x000000018d01fdac
sp: 0x000000016bcbe840 pc: 0x000000018cfe8548 cpsr: 0x60000000
far: 0x000000016811b6e8 esr: 0x56000080
Binary Images:
0x104140000 - 0x10421bfff +virtualization (0) <FFCB2B91-D125-323B-A5C5-E60D65BB017A> /Users/USER/*/virtualization
0x10447c000 - 0x1044fbfff dyld (852.2) <38657979-1ABE-3C9A-BF64-EF3B746216AB> /usr/lib/dyld
0x18cd7a000 - 0x18cd7bfff libsystem_blocks.dylib (79) <BA713F79-1620-38B2-8717-79849B8E897E> /usr/lib/system/libsystem_blocks.dylib
0x18cd7c000 - 0x18cdb3fff libxpc.dylib (2038.120.1) <0E990C5D-C4F7-304A-9714-4409647CC2EF> /usr/lib/system/libxpc.dylib
0x18cdb4000 - 0x18cdcbfff libsystem_trace.dylib (1277.120.1) <7A6B4800-8D94-3091-AC78-2D6B97A9B496> /usr/lib/system/libsystem_trace.dylib
0x18cdcc000 - 0x18ce3ffff libcorecrypto.dylib (1000.140.4) <FAF9B49D-2583-34EF-850B-047F050ED996> /usr/lib/system/libcorecrypto.dylib
0x18ce40000 - 0x18ce6bfff libsystem_malloc.dylib (317.140.5) <A454F3F2-7BC4-3808-A60F-F5F4BC55577F> /usr/lib/system/libsystem_malloc.dylib
0x18ce6c000 - 0x18ceb0fff libdispatch.dylib (1271.120.2) <4EDD5F72-2296-3891-B2A1-6741DB6C05C9> /usr/lib/system/libdispatch.dylib
0x18ceb1000 - 0x18ceeafff libobjc.A.dylib (824) <252C93CC-2D39-3C15-87F6-1336658B2F49> /usr/lib/libobjc.A.dylib
0x18ceeb000 - 0x18ceedfff libsystem_featureflags.dylib (28.60.1) <61A79E0B-1836-376D-AC24-171B40A9FAE7> /usr/lib/system/libsystem_featureflags.dylib
0x18ceee000 - 0x18cf6ffff libsystem_c.dylib (1439.141.1) <9B3C0AD0-1E0B-39D1-BE25-B97F8EA7E623> /usr/lib/system/libsystem_c.dylib
0x18cf70000 - 0x18cfcbfff libc++.1.dylib (905.6) <BED05B96-CCAE-365A-B3F5-F8D72F5E77E1> /usr/lib/libc++.1.dylib
0x18cfcc000 - 0x18cfe3fff libc++abi.dylib (905.6) <3C5176E2-CE48-312B-97F6-23D4E7AFA43F> /usr/lib/libc++abi.dylib
0x18cfe4000 - 0x18d017fff libsystem_kernel.dylib (7195.141.6) <FA7E835C-CB30-3D98-9331-30CE6584423D> /usr/lib/system/libsystem_kernel.dylib
0x18d018000 - 0x18d024fff libsystem_pthread.dylib (454.120.2) <BDC1C5DA-9499-3580-9588-2928DE2440DD> /usr/lib/system/libsystem_pthread.dylib
0x18d025000 - 0x18d066fff libdyld.dylib (852.2) <BE0B539A-2EDF-3A99-9632-731C5928BBAC> /usr/lib/system/libdyld.dylib
0x18d067000 - 0x18d06dfff libsystem_platform.dylib (254.80.2) <2CC11FAD-1E31-3533-B1D8-9CDDF5DFE595> /usr/lib/system/libsystem_platform.dylib
0x18d06e000 - 0x18d099fff libsystem_info.dylib (542.40.3) <3B5B9F97-ECFB-3F6E-9B85-D8C62A8B3205> /usr/lib/system/libsystem_info.dylib
0x18d09a000 - 0x18d548fff com.apple.CoreFoundation (6.9 - 1778.101) <1FC1BD60-DC83-3CC7-89AC-D734DC18473A> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x18d549000 - 0x18d781fff com.apple.LaunchServices (1122.44 - 1122.44) <DF1F4EEF-FCE9-32FB-9260-EF19407B965B> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
0x18d782000 - 0x18d85cfff com.apple.gpusw.MetalTools (1.0 - 1) <D864B42A-7F7B-3262-97CA-1D147DA6C6C3> /System/Library/PrivateFrameworks/MetalTools.framework/Versions/A/MetalTools
0x18d85d000 - 0x18dac7fff libBLAS.dylib (1336.140.1) <B69EAD26-E31A-375C-B49E-40B2D1DCC1B8> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
0x18dac8000 - 0x18db12fff com.apple.Lexicon-framework (1.0 - 86.2) <CC3E703E-8203-3D96-B8B1-F1C2944C1702> /System/Library/PrivateFrameworks/Lexicon.framework/Versions/A/Lexicon
0x18db13000 - 0x18db76fff libSparse.dylib (106) <E96184A2-1D45-349D-B8E2-B4B405CBF348> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
0x18db77000 - 0x18dbfefff com.apple.SystemConfiguration (1.20 - 1.20) <DA2C9DD8-0628-3EF3-85F6-66BF1B627D87> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
0x18dbff000 - 0x18dc32fff libCRFSuite.dylib (50) <A37CA396-A6B1-374B-8105-9D678B576B40> /usr/lib/libCRFSuite.dylib
0x18dc33000 - 0x18de61fff libmecabra.dylib (929.10) <C4159121-0CA7-3C1F-AA81-1F6DD50E7E47> /usr/lib/libmecabra.dylib
0x18de62000 - 0x18e1eefff com.apple.Foundation (6.9 - 1778.101) <A23D1D3A-AD28-3AC2-AEAF-53F4B7A5B2F5> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
0x18e1ef000 - 0x18e2defff com.apple.LanguageModeling (1.0 - 247.3) <DEEE1519-4778-3CA0-8578-35664E779408> /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling
0x18e2df000 - 0x18e401fff com.apple.CoreDisplay (237.4 - 237.4) <2CC8483E-D168-3B0D-9E08-9381248D02BF> /System/Library/Frameworks/CoreDisplay.framework/Versions/A/CoreDisplay
0x18e402000 - 0x18e66afff com.apple.audio.AudioToolboxCore (1.0 - 1181.72) <9427F25C-CE4F-3CC4-985F-E8968FDB2ECA> /System/Library/PrivateFrameworks/AudioToolboxCore.framework/Versions/A/AudioToolboxCore
0x18e66b000 - 0x18e83afff com.apple.CoreText (677.6.0.2 - 677.6.0.2) <E6840741-11BA-3F1B-BD4D-A8F0618391A7> /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText
0x18e83b000 - 0x18ee55fff com.apple.audio.CoreAudio (5.0 - 5.0) <A63499C5-F83C-3944-8B7C-DA026BA6B604> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
0x18ee56000 - 0x18f1bcfff com.apple.security (7.0 - 59754.140.13) <38B23856-B7E5-3AA2-9F35-F5ACECB8E5D9> /System/Library/Frameworks/Security.framework/Versions/A/Security
0x18f1bd000 - 0x18f42efff libicucore.A.dylib (66112) <987F240B-946D-3F96-AD1A-F3EF6752D5DB> /usr/lib/libicucore.A.dylib
0x18f42f000 - 0x18f439fff libsystem_darwin.dylib (1439.141.1) <9BF54A49-874D-3D91-B319-6B2F676FE42D> /usr/lib/system/libsystem_darwin.dylib
0x18f43a000 - 0x18f72dfff com.apple.CoreServices.CarbonCore (1307.3 - 1307.3) <2D5028C9-5466-3020-B1E6-0ACD3B80AC24> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
0x18f76a000 - 0x18f7a5fff com.apple.CSStore (1122.44 - 1122.44) <26E267F1-2A76-389C-9440-9F3EB0F2C1C0> /System/Library/PrivateFrameworks/CoreServicesStore.framework/Versions/A/CoreServicesStore
0x18f7a6000 - 0x18f871fff com.apple.framework.IOKit (2.0.2 - 1845.120.6) <861ED733-56AF-311B-949E-DC077817E257> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x18f872000 - 0x18f87dfff libsystem_notify.dylib (279.40.4) <FA85C044-99A5-352D-B7AD-45FB31B295FF> /usr/lib/system/libsystem_notify.dylib
0x18f8cc000 - 0x19060dfff com.apple.AppKit (6.9 - 2022.60.128) <53554311-BEF7-3421-8A80-EDFBEFD40209> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
0x19060e000 - 0x190834fff com.apple.UIFoundation (1.0 - 728.9) <7595FD16-C324-39BD-8330-9E4CF256104B> /System/Library/PrivateFrameworks/UIFoundation.framework/Versions/A/UIFoundation
0x190835000 - 0x190847fff com.apple.UniformTypeIdentifiers (637 - 637) <7F7509B9-260B-388E-96FC-D3B2C61B48DD> /System/Library/Frameworks/UniformTypeIdentifiers.framework/Versions/A/UniformTypeIdentifiers
0x190c7f000 - 0x1913c7fff libnetwork.dylib (2288.140.7) <992E11C6-A4C3-344F-80F9-D49FC41F9EBB> /usr/lib/libnetwork.dylib
0x1913c8000 - 0x191850fff com.apple.CFNetwork (1240.0.4 - 1240.0.4) <9DDF924B-F7D9-3E7E-B2D0-27CF26767169> /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
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0x1cf0f4000 - 0x1cf0fcfff libGFXShared.dylib (18.5.9) <C77BF686-35D2-3AAC-9AF6-FBD2A7991F14> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib
0x1cf0fd000 - 0x1cf135fff libGLImage.dylib (18.5.9) <A070E58F-3097-3586-92BD-AD4E76324845> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
0x1cf136000 - 0x1cf16efff libGLU.dylib (18.5.9) <C66427E6-830D-340A-8817-49C857863DEB> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
0x1cf2dc000 - 0x1cf2e6fff libGL.dylib (18.5.9) <6B5127DA-3097-3979-BF12-0DC83771C8D0> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
0x1cf477000 - 0x1cf4d6fff com.apple.opencl (4.6 - 4.6) <95665FCE-A143-3B7B-B011-37AC651C03A2> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
0x1d073b000 - 0x1d073efff com.apple.Hypervisor (1.0 - 1) <22165452-B7BD-38FF-B3B5-2C9C72AFC9DE> /System/Library/Frameworks/Hypervisor.framework/Versions/A/Hypervisor
0x1d147f000 - 0x1d14e7fff com.apple.Virtualization (1.0 - 25.9) <53C76BF1-EFE3-3BE2-BB5C-F5CD3752126C> /System/Library/Frameworks/Virtualization.framework/Versions/A/Virtualization
0x1d185a000 - 0x1d1861fff com.apple.framework.vmnet (1.0 - 1) <DE4DE0BD-2583-3A78-ABDF-66981A3F5422> /System/Library/Frameworks/vmnet.framework/Versions/A/vmnet
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=652.4M resident=0K(0%) swapped_out_or_unallocated=652.4M(100%)
Writable regions: Total=304.8M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=304.8M(100%)
VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Activity Tracing 256K 1
Dispatch continuations 64.0M 1
Kernel Alloc Once 32K 1
MALLOC 62.1M 19
MALLOC guard page 96K 5
MALLOC_MEDIUM (reserved) 120.0M 1 reserved VM address space (unallocated)
STACK GUARD 56.2M 11
Stack 13.3M 11
VM_ALLOCATE 1.7G 24
__AUTH 515K 112
__AUTH_CONST 7706K 244
__DATA 4871K 235
__DATA_CONST 8977K 242
__DATA_DIRTY 562K 89
__FONT_DATA 4K 1
__LINKEDIT 490.4M 4
__OBJC_CONST 1038K 92
__OBJC_RO 75.1M 1
__OBJC_RW 2576K 1
__TEXT 162.0M 256
__UNICODE 588K 1
shared memory 32K 2
=========== ======= =======
TOTAL 2.7G 1354
TOTAL, minus reserved VM space 2.6G 1354
Guest disk information
$ df -h
Filesystem Size Used Avail Use% Mounted on
udev 952M 0 952M 0% /dev
tmpfs 197M 740K 197M 1% /run
/dev/vda 11G 3.0G 8.1G 27% /
tmpfs 985M 0 985M 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 985M 0 985M 0% /sys/fs/cgroup
/dev/loop1 58M 58M 0 100% /snap/core20/1171
/dev/loop3 49M 49M 0 100% /snap/core18/2127
/dev/loop0 49M 49M 0 100% /snap/core18/2252
/dev/loop2 58M 58M 0 100% /snap/core20/1274
/dev/loop5 61M 61M 0 100% /snap/lxd/21544
/dev/loop4 38M 38M 0 100% /snap/snapd/14296
/dev/loop6 29M 29M 0 100% /snap/snapd/13643
/dev/loop7 61M 61M 0 100% /snap/lxd/21843
tmpfs 197M 0 197M 0% /run/user/0
current my opinion https://github.com/Code-Hex/vz/pull/12#issuecomment-992072181
I think this is caused by the thread between
libdispatch(which is handled by Objective-C) and Go, or a problem on the VM side.
Would be worth building/running with go build -race ... to see if the go runtime has anything to report. With go routines and macOS dispatch queues involved, it's going to be more or less required to protect these from concurrent access:
socket.go:var connectionHandlers = map[string]func(conn *VirtioSocketConnection, err error){}
socket.go:var shouldAcceptNewConnectionHandlers = map[unsafe.Pointer]func(conn *VirtioSocketConnection) bool{}
Had done something like this in an experimental branch which is now obsolete :) https://github.com/cfergeau/vz/commit/1aa2c8c36f59d1bc9125e30c0f972991977cd59e
I am also not able to close the VirtioSocketConnection, close return nil, but io.Copy does not return.
func NewProxyVSOCK(p *Publish, vso *vz.VirtioSocketDevice, port uint32) func(conn net.Conn) {
return func(conn net.Conn) {
klog.Infof("[MAC_OS]prepare to connect to vm port: %d", port)
onConnect := func(vzconn *vz.VirtioSocketConnection, err error) {
defer Close(conn, "MAC_OS: unix --> vsock")
klog.Infof("[MAC_OS][%s]remote connection to vm established: %s",p,vzconn)
//defer Close(vzconn, "MAC_OS: vsock --> unix")
//stop := make(chan struct{}, 1)
grp := &sync.WaitGroup{}
grp.Add(2)
//go copyStream(grp,vzconn, conn, "MAC_OS: unix --> vsock",false)
go func() {
msg := "MAC_OS: unix --> vsock"
defer Close(conn, msg)
n, err := io.Copy(vzconn, conn)
if err != nil {
klog.Errorf("[%s]copy to vm: %d bytes copied, %s",msg, n, err.Error())
}
klog.Infof("local conn done")
grp.Done()
Close(vzconn,"")
}()
//go copyStream(nil,conn, vzconn, "MAC_OS: vsock --> unix",false)
go func() {
msg := "MAC_OS: vsock --> unix"
n, err := io.Copy(conn, vzconn)
if err != nil {
klog.Errorf("[%s]copy to vm: %d bytes copied, %s",msg, n, err.Error())
}
klog.Infof("vzconn: done")
grp.Done()
}()
klog.Infof("[MAC_OS][%s]unix --> vsock started, wait done: ", p)
grp.Wait()
klog.Infof("[MAC_OS][%s]receive goroutine sig 1",p)
//<-closer
}
if vso == nil {
klog.Errorf("[MAC_OS]Attention, nil vso: [%v]", vso)
}
klog.Infof("[MAC_OS] do connect to port")
vso.ConnectToPort(port, onConnect)
klog.Infof("[MAC_OS][%s]connection complete: %s",p, conn.RemoteAddr())
}
}
here is the output
podman login: I0113 21:34:45.277146 25120 publish.go:112] new connection:
I0113 21:34:45.277207 25120 proxy_darwin.go:16] [MAC_OS]prepare to connect to vm port: 2375
I0113 21:34:45.277216 25120 proxy_darwin.go:56] [MAC_OS] do connect to port
I0113 21:34:45.278198 25120 proxy_darwin.go:59] [MAC_OS][unix@/tmp/aoxn.sock:vsock@2375]connection complete:
I0113 21:34:45.279323 25120 proxy_darwin.go:19] [MAC_OS][unix@/tmp/aoxn.sock:vsock@2375]remote connection to vm established: &{c7g2ktdmk1u64864pt80 %!s(uint32=3283772544) %!s(uint32=2375) %!s(uintptr=10) %!s(*os.File=&{0xc0004ce120}) %!s(*vz.Addr=&{2 2375}) %!s(*vz.Addr=&{0 3283772544})}
I0113 21:34:45.279654 25120 proxy_darwin.go:48] [MAC_OS][unix@/tmp/aoxn.sock:vsock@2375]unix --> vsock started, wait done:
I0113 21:34:49.783454 25120 proxy_darwin.go:34] local conn done
I0113 21:34:49.783544 25120 publish.go:185] []close connection
I0113 21:34:49.783559 25120 publish.go:185] [MAC_OS: unix --> vsock]close connection
vzconn.Read() does not return after vzconn.Close().
the sequence to reproduce.
vzconn := Connect2Port()
grp := sync.WaitGroup{}
grp.Add(1)
go func() {
bb := make([]byte,1024)
n, err := vzconn.Read(bb)
if err != nil {
t.Logf("read error: %s", err.Error())
}
t.Logf("read %d byte: xxx", n)
grp.Done()
}()
t.Logf("sleep 5s")
time.Sleep(5*time.Second)
vzconn.Close()
t.Logf("sleep 3")
time.Sleep(3*time.Second)
t.Logf("wait")
grp.Wait()
t.Logf("finishe")
need to setNoneBlock mode for the descriptor.
func newVirtioSocketConnection(ptr unsafe.Pointer) *VirtioSocketConnection {
id := xid.New().String()
vzVirtioSocketConnection := C.convertVZVirtioSocketConnection2Flat(ptr)
err := unix.SetNonblock(int(vzVirtioSocketConnection.fileDescriptor), true)
if err != nil {
panic(fmt.Sprintf("set nonblock: %s", err.Error()))
}
conn := &VirtioSocketConnection{
id: id,
sourcePort: (uint32)(vzVirtioSocketConnection.sourcePort),
destinationPort: (uint32)(vzVirtioSocketConnection.destinationPort),
fileDescriptor: (uintptr)(vzVirtioSocketConnection.fileDescriptor),
file: os.NewFile((uintptr)(vzVirtioSocketConnection.fileDescriptor), id),
laddr: &Addr{
CID: unix.VMADDR_CID_HOST,
Port: (uint32)(vzVirtioSocketConnection.destinationPort),
},
raddr: &Addr{
CID: unix.VMADDR_CID_HYPERVISOR,
Port: (uint32)(vzVirtioSocketConnection.sourcePort),
},
}
return conn
}
I don't know why need to setNoneBlock mode for the descriptor? could you tell me if possible. thanks relates: https://github.com/Code-Hex/vz/pull/23
golang lib use epoll to implement synchronized Read and Write. This requires a non-block socket. see golang implementation for more details, https://github.com/golang/go/blob/4f04e1d99fac7abf067b6bd3a299f1fbc9a59414/src/net/sock_cloexec.go#L45
#23 does not seem to be fixed https://github.com/Code-Hex/vz/issues/13#issue-1078031796. I don't think non blocking is related
@Code-Hex Sorry for the miss-leading, #23 does not intended to solve #13， it fix the problem of copyStream blocks on reading forever.
issue #24 might related with the crash scenario. remove code runtime.SetFinalizer(socketDevice, func(self *VirtioSocketDevice) { self.Release() }) seems fixed.