ci2 starts bisection 2024-03-17 10:44:03.464816986 +0000 UTC m=+216781.587965406
bisecting fixing commit since 48c6c901fe0e68e176029738d829e0d01eabb0b2
building syzkaller on 6d6dbf8ab21a52df701946afac2a86f93a88fdc8
ensuring issue is reproducible on original commit 48c6c901fe0e68e176029738d829e0d01eabb0b2

testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6529228677200d7ec199539d75efcb72e6e7c276e6d0249cae68897919f9e32c
run #0: crashed: panic: runtime error: floating point error
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: panic: runtime error: floating point error, types: [UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 90d1dd36d34cb2c07c739b1dd01f1a498a71e862c81f132aceb1ebd166a1cf17
run #0: crashed: go runtime error
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: go runtime error, types: [UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
kconfig minimization: base=5179 full=6485 leaves diff=250
split chunks (needed=false): <250>
split chunk #0 of len 250 into 5 parts
testing without sub-chunk 1/5
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8ef82c32ba084ad6328cc98d36925eecb78f9dbc99b461cffa204d80bff51ed3
all runs: OK
false negative chance: 0.358
testing without sub-chunk 2/5
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d1fc88fd77a9dccd0716bb9d6fbd281e4b5b64cd4d32500f44fad17eecae1066
run #0: crashed: go runtime error
run #1: crashed: go runtime error
run #2: OK
run #3: OK
run #4: crashed: go runtime error
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: go runtime error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a760ecd5d074217d584615659ea91f5a98877bf10328210c1d4f8676f076a866
run #0: crashed: go runtime error
run #1: OK
run #2: OK
run #3: crashed: go runtime error
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: go runtime error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cfed2f3ae9fb2c129ff4706dc2ef3b433f412d9ecc2fc5c2c3a45ac2b8195bc7
run #0: crashed: go runtime error
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: crashed: go runtime error
run #6: OK
run #7: crashed: go runtime error
run #8: crashed: go runtime error
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: go runtime error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 48c6c901fe0e68e176029738d829e0d01eabb0b2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2512358b1b6bf85e4b54382cf90aefda4d9f021234b8577e69125379044f900c
all runs: OK
false negative chance: 0.358
minimized to 100 configs; suspects: [CFG80211 CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS DEBUG_INFO_BTF_MODULES DRAGONRISE_FF DRM DRM_BRIDGE DRM_GEM_SHMEM_HELPER DRM_KMS_HELPER DRM_NOMODESET DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_ORIENTATION_QUIRKS DRM_TTM DRM_VIRTIO_GPU DUMMY_CONSOLE DVB_CORE FB FB_CMDLINE FB_DEFERRED_IO FB_NOTIFY FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT GPIOLIB_IRQCHIP GREENASIA_FF HAVE_CLK_PREPARE HDMI HID_A4TECH HID_ACRUX HID_ACRUX_FF HID_APPLEIR HID_AUREAL HID_BELKIN HID_BETOP_FF HID_CHERRY HID_CHICONY HID_CP2112 HID_CYPRESS HID_DRAGONRISE HID_ELO HID_EMS_FF HID_EZKEY HID_GREENASIA HID_GT683R HID_GYRATION HID_ICADE HID_ITE HID_KENSINGTON HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_MONTEREY HID_NTI HID_NTRIG HID_ZEROPLUS MEDIA_DIGITAL_TV_SUPPORT PAHOLE_HAS_SPLIT_BTF RFKILL USB_NET_CDC_MBIM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_DM9601 USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM VT WIRELESS WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_PURELIFI WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_SILABS WLAN_VENDOR_ZYDAS X86_X32_ABI ZEROPLUS_FF]
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing current HEAD ef39f76e4d24522699750afb641330cf1fb78c9b
testing commit ef39f76e4d24522699750afb641330cf1fb78c9b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 568a1d9707bc703d8ee1e2d99b770d77075d6b53b1175894ace71ff058064d8d
run #0: crashed: go runtime error
run #1: OK
run #2: OK
run #3: crashed: go runtime error
run #4: crashed: go runtime error
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: go runtime error, types: [UNKNOWN]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.20 repro chance estimate)
revisions tested: 8, total time: 1h2m48.248346539s (build: 24m3.840292241s, test: 35m43.771509435s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: fuse-bpf: Fix readdir for getdents
crash: go runtime error
runtime: newstack sp=0xc00017bb60 stack=[0xc00017c000, 0xc00017e000]
	morebuf={pc:0x46d340 sp:0xc00017bb70 lr:0x0}
	sched={pc:0x450e4f sp:0xc00017bb68 lr:0x0 ctxt:0x0}
runtime: gp=0xc0003e71e0, goid=20, gp->status=0x2
 runtime: split stack overflow: 0xc00017bb60 < 0xc00017c000
fatal error: runtime: split stack overflow
SIGFPE: floating-point exception
PC=0x46f161 m=0 sigcode=128
instruction bytes: 0xf 0x5 0x89 0x44 0x24 0x30 0xc3 0xcc 0xcc 0xcc 0xcc 0xcc 0xcc 0xcc 0xcc 0xcc

goroutine 0 [idle]:
runtime.futex()
	/usr/local/go/src/runtime/sys_linux_amd64.s:557 +0x21 fp=0x7fffda1ece10 sp=0x7fffda1ece08 pc=0x46f161
runtime.futexsleep(0x7fffda1ece88?, 0x441196?, 0x7fffda1ece88?)
	/usr/local/go/src/runtime/os_linux.go:69 +0x30 fp=0x7fffda1ece60 sp=0x7fffda1ece10 pc=0x4364d0
runtime.notesleep(0x1eea0c8)
	/usr/local/go/src/runtime/lock_futex.go:160 +0x87 fp=0x7fffda1ece98 sp=0x7fffda1ece60 pc=0x40eb67
runtime.mPark(...)
	/usr/local/go/src/runtime/proc.go:1632
runtime.stoplockedm()
	/usr/local/go/src/runtime/proc.go:2780 +0x73 fp=0x7fffda1ecef0 sp=0x7fffda1ece98 pc=0x441373
runtime.schedule()
	/usr/local/go/src/runtime/proc.go:3561 +0x3a fp=0x7fffda1ecf28 sp=0x7fffda1ecef0 pc=0x4431ba
runtime.park_m(0xc0000076c0?)
	/usr/local/go/src/runtime/proc.go:3745 +0x11f fp=0x7fffda1ecf70 sp=0x7fffda1ecf28 pc=0x44373f
traceback: unexpected SPWRITE function runtime.mcall
runtime.mcall()
	/usr/local/go/src/runtime/asm_amd64.s:458 +0x4e fp=0x7fffda1ecf88 sp=0x7fffda1ecf70 pc=0x46b4ae

goroutine 1 [semacquire]:
runtime.gopark(0x41d316?, 0xc000127db0?, 0x20?, 0x93?, 0xc0013e7640?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000127d40 sp=0xc000127d20 pc=0x43ce0e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.semacquire1(0xc0000134e8, 0xb8?, 0x1, 0x0, 0xa0?)
	/usr/local/go/src/runtime/sema.go:160 +0x218 fp=0xc000127da8 sp=0xc000127d40 pc=0x44e158
sync.runtime_Semacquire(0x53064f?)
	/usr/local/go/src/runtime/sema.go:62 +0x25 fp=0xc000127de0 sp=0xc000127da8 pc=0x469385
sync.(*WaitGroup).Wait(0xc0000923c0?)
	/usr/local/go/src/sync/waitgroup.go:116 +0x48 fp=0xc000127e08 sp=0xc000127de0 pc=0x479828
main.main()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:123 +0x5d2 fp=0xc000127f40 sp=0xc000127e08 pc=0x8c5fb2
runtime.main()
	/usr/local/go/src/runtime/proc.go:267 +0x2bb fp=0xc000127fe0 sp=0xc000127f40 pc=0x43c9bb
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000127fe8 sp=0xc000127fe0 pc=0x46d321

goroutine 2 [force gc (idle)]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054fa8 sp=0xc000054f88 pc=0x43ce0e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.forcegchelper()
	/usr/local/go/src/runtime/proc.go:322 +0xb3 fp=0xc000054fe0 sp=0xc000054fa8 pc=0x43cc93
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000054fe8 sp=0xc000054fe0 pc=0x46d321
created by runtime.init.6 in goroutine 1
	/usr/local/go/src/runtime/proc.go:310 +0x1a

goroutine 3 [GC sweep wait]:
runtime.gopark(0x1?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000055778 sp=0xc000055758 pc=0x43ce0e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.bgsweep(0x0?)
	/usr/local/go/src/runtime/mgcsweep.go:321 +0xdf fp=0xc0000557c8 sp=0xc000055778 pc=0x427dff
runtime.gcenable.func1()
	/usr/local/go/src/runtime/mgc.go:200 +0x25 fp=0xc0000557e0 sp=0xc0000557c8 pc=0x41cf85
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000557e8 sp=0xc0000557e0 pc=0x46d321
created by runtime.gcenable in goroutine 1
	/usr/local/go/src/runtime/mgc.go:200 +0x66

goroutine 4 [GC scavenge wait]:
runtime.gopark(0xc000074000?, 0xc496a0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000055f70 sp=0xc000055f50 pc=0x43ce0e
runtime.goparkunlock(...)
	/usr/local/go/src/runtime/proc.go:404
runtime.(*scavengerState).park(0x1ee9720)
	/usr/local/go/src/runtime/mgcscavenge.go:425 +0x49 fp=0xc000055fa0 sp=0xc000055f70 pc=0x425689
runtime.bgscavenge(0x0?)
	/usr/local/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0xc000055fc8 sp=0xc000055fa0 pc=0x425c39
runtime.gcenable.func2()
	/usr/local/go/src/runtime/mgc.go:201 +0x25 fp=0xc000055fe0 sp=0xc000055fc8 pc=0x41cf25
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000055fe8 sp=0xc000055fe0 pc=0x46d321
created by runtime.gcenable in goroutine 1
	/usr/local/go/src/runtime/mgc.go:201 +0xa5

goroutine 17 [finalizer wait]:
runtime.gopark(0xdd0578?, 0x100054670?, 0x0?, 0x0?, 0x1f1aae0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000054628 sp=0xc000054608 pc=0x43ce0e
runtime.runfinq()
	/usr/local/go/src/runtime/mfinal.go:193 +0x107 fp=0xc0000547e0 sp=0xc000054628 pc=0x41c007
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000547e8 sp=0xc0000547e0 pc=0x46d321
created by runtime.createfing in goroutine 1
	/usr/local/go/src/runtime/mfinal.go:163 +0x3d

goroutine 18 [select]:
runtime.gopark(0xc000050788?, 0x3?, 0x88?, 0x1a?, 0xc000050772?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000050618 sp=0xc0000505f8 pc=0x43ce0e
runtime.selectgo(0xc000050788, 0xc00005076c, 0xc000101380?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000050738 sp=0xc000050618 pc=0x44d125
go.opencensus.io/stats/view.(*worker).start(0xc000101380)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:292 +0x9f fp=0xc0000507c8 sp=0xc000050738 pc=0x89123f
go.opencensus.io/stats/view.init.0.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x25 fp=0xc0000507e0 sp=0xc0000507c8 pc=0x890565
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000507e8 sp=0xc0000507e0 pc=0x46d321
created by go.opencensus.io/stats/view.init.0 in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/vendor/go.opencensus.io/stats/view/worker.go:34 +0x8d

goroutine 19 [GC worker (idle)]:
runtime.gopark(0xdd858ddaa?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000050f50 sp=0xc000050f30 pc=0x43ce0e
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc000050fe0 sp=0xc000050f50 pc=0x41eb05
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000050fe8 sp=0xc000050fe0 pc=0x46d321
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 5 [GC worker (idle)]:
runtime.gopark(0xdd84ac767?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000056750 sp=0xc000056730 pc=0x43ce0e
runtime.gcBgMarkWorker()
	/usr/local/go/src/runtime/mgc.go:1293 +0xe5 fp=0xc0000567e0 sp=0xc000056750 pc=0x41eb05
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000567e8 sp=0xc0000567e0 pc=0x46d321
created by runtime.gcBgMarkStartWorkers in goroutine 1
	/usr/local/go/src/runtime/mgc.go:1217 +0x1c

goroutine 8 [IO wait]:
runtime.gopark(0x1f1e6f8?, 0xb?, 0x0?, 0x0?, 0x11?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000051e00 sp=0xc000051de0 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000051e38 sp=0xc000051e00 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa292e58, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000051e58 sp=0xc000051e38 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc0013fc3c0?, 0xc000360000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000051e80 sp=0xc000051e58 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0013fc3c0, {0xc000360000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000051f18 sp=0xc000051e80 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000964b0, {0xc000360000?, 0xc0000791a0?, 0xc000079140?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000051f58 sp=0xc000051f18 pc=0x4e7432
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0000f8230)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x89 fp=0xc000051fc8 sp=0xc000051f58 pc=0x8c2e89
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x27 fp=0xc000051fe0 sp=0xc000051fc8 pc=0x8c2dc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000051fe8 sp=0xc000051fe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 22
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa25

goroutine 20 [running]:
	goroutine running on other thread; stack unavailable
created by main.main in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x54b

goroutine 21 [select]:
runtime.gopark(0xc0001bba90?, 0x2?, 0xc0?, 0x49?, 0xc0001bba34?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001bb8d8 sp=0xc0001bb8b8 pc=0x43ce0e
runtime.selectgo(0xc0001bba90, 0xc0001bba30, 0x20?, 0x0, 0x41cb00?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0001bb9f8 sp=0xc0001bb8d8 pc=0x44d125
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc0004741c0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:717 +0x1d6 fp=0xc0001bbac0 sp=0xc0001bb9f8 pc=0x8c3416
github.com/google/syzkaller/pkg/ipc.makeCommand(0x1, {0xc0000fe040, 0x2, 0x2}, 0xc000078f00, 0xc0000963d0, 0xc000096420, {0x7f9ba4f3a000, 0x1000000, 0x1000000}, ...)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:665 +0xc7c fp=0xc0001bbd38 sp=0xc0001bbac0 pc=0x8c2afc
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00007c1b0, 0xc0013fc2a0?, 0xc0013ddac0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:281 +0x1b6 fp=0xc0001bbe10 sp=0xc0001bbd38 pc=0x8bfe96
main.(*Context).execute(0xc000474000, 0x1?, 0x0?, 0x1a23220?, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x145 fp=0xc0001bbf28 sp=0xc0001bbe10 pc=0x8c6585
main.(*Context).run(0xc000474000, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xbb fp=0xc0001bbfa0 sp=0xc0001bbf28 pc=0x8c631b
main.main.func3()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x51 fp=0xc0001bbfe0 sp=0xc0001bbfa0 pc=0x8c6131
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001bbfe8 sp=0xc0001bbfe0 pc=0x46d321
created by main.main in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x54b

goroutine 22 [select]:
runtime.gopark(0xc00017ba90?, 0x2?, 0x40?, 0xe0?, 0xc00017ba34?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00017b8d8 sp=0xc00017b8b8 pc=0x43ce0e
runtime.selectgo(0xc00017ba90, 0xc00017ba30, 0x20?, 0x0, 0x41cb00?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc00017b9f8 sp=0xc00017b8d8 pc=0x44d125
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc0000f8230)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:717 +0x1d6 fp=0xc00017bac0 sp=0xc00017b9f8 pc=0x8c3416
github.com/google/syzkaller/pkg/ipc.makeCommand(0x46d340, {0x46d340, 0x46d340, 0x46d340}, 0x46d340, 0x46d340, 0x46d340, {0x46d340, 0x46d340, 0x46d340}, ...)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:665 +0xc7c fp=0xc00017bd38 sp=0xc00017bac0 pc=0x8c2afc
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd40 sp=0xc00017bd38 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd48 sp=0xc00017bd40 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd50 sp=0xc00017bd48 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd58 sp=0xc00017bd50 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd60 sp=0xc00017bd58 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd68 sp=0xc00017bd60 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd70 sp=0xc00017bd68 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd78 sp=0xc00017bd70 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd80 sp=0xc00017bd78 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd88 sp=0xc00017bd80 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd90 sp=0xc00017bd88 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bd98 sp=0xc00017bd90 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bda0 sp=0xc00017bd98 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bda8 sp=0xc00017bda0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bdb0 sp=0xc00017bda8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bdb8 sp=0xc00017bdb0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bdc0 sp=0xc00017bdb8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bdc8 sp=0xc00017bdc0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bdd0 sp=0xc00017bdc8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bdd8 sp=0xc00017bdd0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bde0 sp=0xc00017bdd8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bde8 sp=0xc00017bde0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bdf0 sp=0xc00017bde8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bdf8 sp=0xc00017bdf0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be00 sp=0xc00017bdf8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be08 sp=0xc00017be00 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be10 sp=0xc00017be08 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be18 sp=0xc00017be10 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be20 sp=0xc00017be18 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be28 sp=0xc00017be20 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be30 sp=0xc00017be28 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be38 sp=0xc00017be30 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be40 sp=0xc00017be38 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be48 sp=0xc00017be40 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be50 sp=0xc00017be48 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be58 sp=0xc00017be50 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be60 sp=0xc00017be58 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be68 sp=0xc00017be60 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be70 sp=0xc00017be68 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be78 sp=0xc00017be70 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be80 sp=0xc00017be78 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be88 sp=0xc00017be80 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be90 sp=0xc00017be88 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017be98 sp=0xc00017be90 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bea0 sp=0xc00017be98 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017bea8 sp=0xc00017bea0 pc=0x46d340
...811 frames elided...
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d808 sp=0xc00017d800 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d810 sp=0xc00017d808 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d818 sp=0xc00017d810 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d820 sp=0xc00017d818 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d828 sp=0xc00017d820 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d830 sp=0xc00017d828 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d838 sp=0xc00017d830 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d840 sp=0xc00017d838 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d848 sp=0xc00017d840 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d850 sp=0xc00017d848 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d858 sp=0xc00017d850 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d860 sp=0xc00017d858 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d868 sp=0xc00017d860 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d870 sp=0xc00017d868 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d878 sp=0xc00017d870 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d880 sp=0xc00017d878 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d888 sp=0xc00017d880 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d890 sp=0xc00017d888 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d898 sp=0xc00017d890 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8a0 sp=0xc00017d898 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8a8 sp=0xc00017d8a0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8b0 sp=0xc00017d8a8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8b8 sp=0xc00017d8b0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8c0 sp=0xc00017d8b8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8c8 sp=0xc00017d8c0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8d0 sp=0xc00017d8c8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8d8 sp=0xc00017d8d0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8e0 sp=0xc00017d8d8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8e8 sp=0xc00017d8e0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8f0 sp=0xc00017d8e8 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d8f8 sp=0xc00017d8f0 pc=0x46d340
runtime.sigpanic0()
	/usr/local/go/src/runtime/asm_amd64.s:1670 fp=0xc00017d900 sp=0xc00017d8f8 pc=0x46d340
runtime/internal/syscall.Syscall6()
	/usr/local/go/src/runtime/internal/syscall/asm_linux_amd64.s:35 +0xe fp=0xc00017d908 sp=0xc00017d900 pc=0x40720e
runtime/internal/syscall.EpollCtl(...)
	/usr/local/go/src/runtime/internal/syscall/syscall_linux.go:60
runtime.netpollclose(0x1bd6c82f6d?)
	/usr/local/go/src/runtime/netpoll_epoll.go:62 +0x4e fp=0xc00017d968 sp=0xc00017d908 pc=0x43604e
internal/poll.runtime_pollClose(0x7f9baa2920c8)
	/usr/local/go/src/runtime/netpoll.go:285 +0x4c fp=0xc00017d988 sp=0xc00017d968 pc=0x46796c
internal/poll.(*pollDesc).close(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:52
internal/poll.(*FD).destroy(0xc0013fc840)
	/usr/local/go/src/internal/poll/fd_unix.go:79 +0x25 fp=0xc00017d9b8 sp=0xc00017d988 pc=0x4dbda5
internal/poll.(*FD).decref(0x7f9baa2920c8?)
	/usr/local/go/src/internal/poll/fd_mutex.go:213 +0x53 fp=0xc00017d9d8 sp=0xc00017d9b8 pc=0x4dacf3
internal/poll.(*FD).Close(0xc0013fc840)
	/usr/local/go/src/internal/poll/fd_unix.go:104 +0x45 fp=0xc00017da00 sp=0xc00017d9d8 pc=0x4dbe65
os.(*file).close(0xc0013fc840)
	/usr/local/go/src/os/file_unix.go:315 +0x98 fp=0xc00017da58 sp=0xc00017da00 pc=0x4e9ef8
os.(*File).Close(0x0?)
	/usr/local/go/src/os/file_posix.go:23 +0x1b fp=0xc00017da70 sp=0xc00017da58 pc=0x4e8a3b
github.com/google/syzkaller/pkg/ipc.makeCommand.func6()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:604 +0x25 fp=0xc00017da88 sp=0xc00017da70 pc=0x8c3025
runtime.deferreturn()
	/usr/local/go/src/runtime/panic.go:477 +0x31 fp=0xc00017dac0 sp=0xc00017da88 pc=0x438cf1
github.com/google/syzkaller/pkg/ipc.makeCommand(0x0, {0xc0000fe020, 0x2, 0x2}, 0xc000078f00, 0xc0000962a0, 0xc000096320, {0x7f9ba633a000, 0x1000000, 0x1000000}, ...)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:671 +0xcaf fp=0xc00017dd38 sp=0xc00017dac0 pc=0x8c2b2f
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00007c120, 0xc00016fe68?, 0xc0013ddac0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:281 +0x1b6 fp=0xc00017de10 sp=0xc00017dd38 pc=0x8bfe96
main.(*Context).execute(0xc000474000, 0x0?, 0xc000052750?, 0x46a4f3?, 0xc0013fa008?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x145 fp=0xc00017df28 sp=0xc00017de10 pc=0x8c6585
main.(*Context).run(0xc000474000, 0xc000245ce0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xbb fp=0xc00017dfa0 sp=0xc00017df28 pc=0x8c631b
main.main.func3()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x51 fp=0xc00017dfe0 sp=0xc00017dfa0 pc=0x8c6131
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00017dfe8 sp=0xc00017dfe0 pc=0x46d321
created by main.main in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x54b

goroutine 23 [select]:
runtime.gopark(0xc0001bfa90?, 0x2?, 0x80?, 0xca?, 0xc0001bfa34?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001bf8d8 sp=0xc0001bf8b8 pc=0x43ce0e
runtime.selectgo(0xc0001bfa90, 0xc0001bfa30, 0x20?, 0x0, 0x41cb00?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0001bf9f8 sp=0xc0001bf8d8 pc=0x44d125
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc000474150)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:717 +0x1d6 fp=0xc0001bfac0 sp=0xc0001bf9f8 pc=0x8c3416
github.com/google/syzkaller/pkg/ipc.makeCommand(0x3, {0xc0000fe000, 0x2, 0x2}, 0xc000078f00, 0xc000096038, 0xc000096088, {0x7f9ba773a000, 0x1000000, 0x1000000}, ...)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:665 +0xc7c fp=0xc0001bfd38 sp=0xc0001bfac0 pc=0x8c2afc
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00007c090, 0x2?, 0xc0013ddac0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:281 +0x1b6 fp=0xc0001bfe10 sp=0xc0001bfd38 pc=0x8bfe96
main.(*Context).execute(0xc000474000, 0x3?, 0x0?, 0x0?, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x145 fp=0xc0001bff28 sp=0xc0001bfe10 pc=0x8c6585
main.(*Context).run(0xc000474000, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xbb fp=0xc0001bffa0 sp=0xc0001bff28 pc=0x8c631b
main.main.func3()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x51 fp=0xc0001bffe0 sp=0xc0001bffa0 pc=0x8c6131
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001bffe8 sp=0xc0001bffe0 pc=0x46d321
created by main.main in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x54b

goroutine 24 [select]:
runtime.gopark(0xc000177a90?, 0x2?, 0x0?, 0xbe?, 0xc000177a34?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001778d8 sp=0xc0001778b8 pc=0x43ce0e
runtime.selectgo(0xc000177a90, 0xc000177a30, 0x20?, 0x0, 0x41cb00?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc0001779f8 sp=0xc0001778d8 pc=0x44d125
github.com/google/syzkaller/pkg/ipc.(*command).handshake(0xc000474070)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:717 +0x1d6 fp=0xc000177ac0 sp=0xc0001779f8 pc=0x8c3416
github.com/google/syzkaller/pkg/ipc.makeCommand(0x4, {0xc0013bbda0, 0x2, 0x2}, 0xc000078f00, 0xc0013f20c8, 0xc0013f20d0, {0x7f9ba873a000, 0x1000000, 0x1000000}, ...)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:665 +0xc7c fp=0xc000177d38 sp=0xc000177ac0 pc=0x8c2afc
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000286090, 0xc00016ae68?, 0xc0013ddac0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:281 +0x1b6 fp=0xc000177e10 sp=0xc000177d38 pc=0x8bfe96
main.(*Context).execute(0xc000474000, 0x4?, 0x0?, 0x0?, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x145 fp=0xc000177f28 sp=0xc000177e10 pc=0x8c6585
main.(*Context).run(0xc000474000, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xbb fp=0xc000177fa0 sp=0xc000177f28 pc=0x8c631b
main.main.func3()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x51 fp=0xc000177fe0 sp=0xc000177fa0 pc=0x8c6131
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000177fe8 sp=0xc000177fe0 pc=0x46d321
created by main.main in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x54b

goroutine 25 [runnable]:
syscall.Syscall(0x407de6?, 0xc000179a50?, 0x4db047?, 0x7f9baa04de70?)
	/usr/local/go/src/syscall/syscall_linux.go:69 +0x25 fp=0xc000179a20 sp=0xc0001799b0 pc=0x4c26a5
syscall.read(0xc000079b00?, {0xc000013780?, 0xc000079c01?, 0xc000179c00?})
	/usr/local/go/src/syscall/zsyscall_linux_amd64.go:721 +0x38 fp=0xc000179a60 sp=0xc000179a20 pc=0x4c06d8
syscall.Read(...)
	/usr/local/go/src/syscall/syscall_unix.go:181
internal/poll.ignoringEINTRIO(...)
	/usr/local/go/src/internal/poll/fd_unix.go:736
internal/poll.(*FD).Read(0xc000079b00, {0xc000013780, 0xc, 0xc})
	/usr/local/go/src/internal/poll/fd_unix.go:160 +0x2ae fp=0xc000179af8 sp=0xc000179a60 pc=0x4dc36e
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0013f2128, {0xc000013780?, 0xc000179b70?, 0x410725?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000179b38 sp=0xc000179af8 pc=0x4e7432
io.ReadAtLeast({0xc82620, 0xc0013f2128}, {0xc000013780, 0xc, 0xc}, 0xc)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000179b80 sp=0xc000179b38 pc=0x479fb0
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0004740e0, 0x7f9ba373a000?, {0x0, 0x0, 0x0})
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:786 +0x52a fp=0xc000179d38 sp=0xc000179b80 pc=0x8c3d0a
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000286630, 0x2?, 0xc0013ddac0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:286 +0x226 fp=0xc000179e10 sp=0xc000179d38 pc=0x8bff06
main.(*Context).execute(0xc000474000, 0x5?, 0x0?, 0x0?, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:171 +0x145 fp=0xc000179f28 sp=0xc000179e10 pc=0x8c6585
main.(*Context).run(0xc000474000, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:156 +0xbb fp=0xc000179fa0 sp=0xc000179f28 pc=0x8c631b
main.main.func3()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:119 +0x51 fp=0xc000179fe0 sp=0xc000179fa0 pc=0x8c6131
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000179fe8 sp=0xc000179fe0 pc=0x46d321
created by main.main in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:117 +0x54b

goroutine 26 [chan receive]:
runtime.gopark(0xc000056ee0?, 0x52ec85?, 0x1?, 0x7?, 0xc000056f58?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000056ec8 sp=0xc000056ea8 pc=0x43ce0e
runtime.chanrecv(0xc000079380, 0x0, 0x1)
	/usr/local/go/src/runtime/chan.go:583 +0x3cd fp=0xc000056f40 sp=0xc000056ec8 pc=0x40998d
runtime.chanrecv1(0xc000079380?, 0xc000056fb0?)
	/usr/local/go/src/runtime/chan.go:442 +0x12 fp=0xc000056f68 sp=0xc000056f40 pc=0x4095b2
github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:78 +0x85 fp=0xc000056fe0 sp=0xc000056f68 pc=0x530705
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000056fe8 sp=0xc000056fe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:75 +0x4f

goroutine 27 [select, locked to thread]:
runtime.gopark(0xc0000577a8?, 0x2?, 0x70?, 0x76?, 0xc0000577a4?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000057638 sp=0xc000057618 pc=0x43ce0e
runtime.selectgo(0xc0000577a8, 0xc0000577a0, 0x0?, 0x0, 0x0?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000057758 sp=0xc000057638 pc=0x44d125
runtime.ensureSigM.func1()
	/usr/local/go/src/runtime/signal_unix.go:1014 +0x19f fp=0xc0000577e0 sp=0xc000057758 pc=0x4643df
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000577e8 sp=0xc0000577e0 pc=0x46d321
created by runtime.ensureSigM in goroutine 26
	/usr/local/go/src/runtime/signal_unix.go:997 +0xc8

goroutine 28 [syscall]:
runtime.notetsleepg(0x0?, 0x0?)
	/usr/local/go/src/runtime/lock_futex.go:236 +0x29 fp=0xc000057fa0 sp=0xc000057f68 pc=0x40ee49
os/signal.signal_recv()
	/usr/local/go/src/runtime/sigqueue.go:152 +0x29 fp=0xc000057fc0 sp=0xc000057fa0 pc=0x469ae9
os/signal.loop()
	/usr/local/go/src/os/signal/signal_unix.go:23 +0x13 fp=0xc000057fe0 sp=0xc000057fc0 pc=0x52efb3
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000057fe8 sp=0xc000057fe0 pc=0x46d321
created by os/signal.Notify.func1.1 in goroutine 26
	/usr/local/go/src/os/signal/signal.go:151 +0x1f

goroutine 29 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x17?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000053600 sp=0xc0000535e0 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000053638 sp=0xc000053600 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa292888, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000053658 sp=0xc000053638 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc0000794a0?, 0xc000380000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000053680 sp=0xc000053658 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000794a0, {0xc000380000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000053718 sp=0xc000053680 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0013f20d8, {0xc000380000?, 0x0?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000053758 sp=0xc000053718 pc=0x4e7432
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc000474070)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x89 fp=0xc0000537c8 sp=0xc000053758 pc=0x8c2e89
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x27 fp=0xc0000537e0 sp=0xc0000537c8 pc=0x8c2dc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 24
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa25

goroutine 30 [syscall]:
syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc000017de0 sp=0xc000017d58 pc=0x4c2730
os.(*Process).blockUntilWaitable(0xc00003c180)
	/usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc000017eb8 sp=0xc000017de0 pc=0x4ed8f6
os.(*Process).wait(0xc00003c180)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000017f18 sp=0xc000017eb8 pc=0x4e6ca5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000000000)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000017f80 sp=0xc000017f18 pc=0x52ada5
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc000474070)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x28 fp=0xc000017fc8 sp=0xc000017f80 pc=0x8c2d28
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x27 fp=0xc000017fe0 sp=0xc000017fc8 pc=0x8c2cc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000017fe8 sp=0xc000017fe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 24
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc34

goroutine 31 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x1b?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000185b8 sp=0xc000018598 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0000185f0 sp=0xc0000185b8 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa292698, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000018610 sp=0xc0000185f0 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc000079560?, 0xc000013590?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000018638 sp=0xc000018610 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000079560, {0xc000013590, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0000186d0 sp=0xc000018638 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0013f20e8, {0xc000013590?, 0xc000018748?, 0x410725?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000018710 sp=0xc0000186d0 pc=0x4e7432
io.ReadAtLeast({0xc82620, 0xc0013f20e8}, {0xc000013590, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000018758 sp=0xc000018710 pc=0x479fb0
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).handshake.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x5e fp=0xc0000187e0 sp=0xc000018758 pc=0x8c353e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000187e8 sp=0xc0000187e0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 24
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x150

goroutine 9 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x1c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000051600 sp=0xc0000515e0 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000051638 sp=0xc000051600 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa2925a0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000051658 sp=0xc000051638 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc0013fc6c0?, 0xc0003c0000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000051680 sp=0xc000051658 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0013fc6c0, {0xc0003c0000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000051718 sp=0xc000051680 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc000096518, {0xc0003c0000?, 0x0?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000051758 sp=0xc000051718 pc=0x4e7432
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0000f82a0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x89 fp=0xc0000517c8 sp=0xc000051758 pc=0x8c2e89
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x27 fp=0xc0000517e0 sp=0xc0000517c8 pc=0x8c2dc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000517e8 sp=0xc0000517e0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 20
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa25

goroutine 32 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x24?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000053e00 sp=0xc000053de0 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000053e38 sp=0xc000053e00 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa04e060, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000053e58 sp=0xc000053e38 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc000079a40?, 0xc0003a0000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000053e80 sp=0xc000053e58 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000079a40, {0xc0003a0000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000053f18 sp=0xc000053e80 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0013f2118, {0xc0003a0000?, 0x0?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000053f58 sp=0xc000053f18 pc=0x4e7432
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0004740e0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x89 fp=0xc000053fc8 sp=0xc000053f58 pc=0x8c2e89
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x27 fp=0xc000053fe0 sp=0xc000053fc8 pc=0x8c2dc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000053fe8 sp=0xc000053fe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 25
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa25

goroutine 33 [syscall]:
syscall.Syscall6(0x1a230a0?, 0x0?, 0x1b7cab8?, 0x0?, 0x1a230a0?, 0x0?, 0x14141d8?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc000018de0 sp=0xc000018d58 pc=0x4c2730
os.(*Process).blockUntilWaitable(0xc00003c2d0)
	/usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc000018eb8 sp=0xc000018de0 pc=0x4ed8f6
os.(*Process).wait(0xc00003c2d0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000018f18 sp=0xc000018eb8 pc=0x4e6ca5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000000160)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000018f80 sp=0xc000018f18 pc=0x52ada5
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0004740e0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x28 fp=0xc000018fc8 sp=0xc000018f80 pc=0x8c2d28
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x27 fp=0xc000018fe0 sp=0xc000018fc8 pc=0x8c2cc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000018fe8 sp=0xc000018fe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 25
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc34

goroutine 46 [select]:
runtime.gopark(0xc0000197b0?, 0x2?, 0x20?, 0x4d?, 0xc00001978c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000019638 sp=0xc000019618 pc=0x43ce0e
runtime.selectgo(0xc0000197b0, 0xc000019788, 0xc000013608?, 0x0, 0x4?, 0x1)
	/usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000019758 sp=0xc000019638 pc=0x44d125
github.com/google/syzkaller/pkg/ipc.(*command).exec.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:771 +0x77 fp=0xc0000197e0 sp=0xc000019758 pc=0x8c43f7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000197e8 sp=0xc0000197e0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 25
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:769 +0x23f

goroutine 35 [syscall]:
syscall.Syscall6(0x1a230a0?, 0x0?, 0x1389988?, 0x0?, 0x1a230a0?, 0x0?, 0x14144b0?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc000019de0 sp=0xc000019d58 pc=0x4c2730
os.(*Process).blockUntilWaitable(0xc00003c300)
	/usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc000019eb8 sp=0xc000019de0 pc=0x4ed8f6
os.(*Process).wait(0xc00003c300)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000019f18 sp=0xc000019eb8 pc=0x4e6ca5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000244160)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000019f80 sp=0xc000019f18 pc=0x52ada5
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0000f8230)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x28 fp=0xc000019fc8 sp=0xc000019f80 pc=0x8c2d28
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x27 fp=0xc000019fe0 sp=0xc000019fc8 pc=0x8c2cc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000019fe8 sp=0xc000019fe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 22
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc34

goroutine 36 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x13?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc00001a5b8 sp=0xc00001a598 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc00001a5f0 sp=0xc00001a5b8 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa292c68, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc00001a610 sp=0xc00001a5f0 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc0013fc480?, 0xc00001360c?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc00001a638 sp=0xc00001a610 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0013fc480, {0xc00001360c, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc00001a6d0 sp=0xc00001a638 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0000964d8, {0xc00001360c?, 0xc00001a748?, 0x410725?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc00001a710 sp=0xc00001a6d0 pc=0x4e7432
io.ReadAtLeast({0xc82620, 0xc0000964d8}, {0xc00001360c, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc00001a758 sp=0xc00001a710 pc=0x479fb0
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).handshake.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x5e fp=0xc00001a7e0 sp=0xc00001a758 pc=0x8c353e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00001a7e8 sp=0xc00001a7e0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 22
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x150

goroutine 37 [syscall]:
syscall.Syscall6(0x1a230a0?, 0x0?, 0x1c4d838?, 0x0?, 0x1a230a0?, 0x0?, 0x1c4d860?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc00001ade0 sp=0xc00001ad58 pc=0x4c2730
os.(*Process).blockUntilWaitable(0xc00003c330)
	/usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc00001aeb8 sp=0xc00001ade0 pc=0x4ed8f6
os.(*Process).wait(0xc00003c330)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc00001af18 sp=0xc00001aeb8 pc=0x4e6ca5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000244f20)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc00001af80 sp=0xc00001af18 pc=0x52ada5
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0000f82a0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x28 fp=0xc00001afc8 sp=0xc00001af80 pc=0x8c2d28
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x27 fp=0xc00001afe0 sp=0xc00001afc8 pc=0x8c2cc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00001afe8 sp=0xc00001afe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 20
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc34

goroutine 39 [IO wait]:
runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x12?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0001d1e00 sp=0xc0001d1de0 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0001d1e38 sp=0xc0001d1e00 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa2921c0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc0001d1e58 sp=0xc0001d1e38 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc000074300?, 0xc00048a000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc0001d1e80 sp=0xc0001d1e58 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000074300, {0xc00048a000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0001d1f18 sp=0xc0001d1e80 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0013f2148, {0xc00048a000?, 0x1?, 0x141f5b0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc0001d1f58 sp=0xc0001d1f18 pc=0x4e7432
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc000474150)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x89 fp=0xc0001d1fc8 sp=0xc0001d1f58 pc=0x8c2e89
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x27 fp=0xc0001d1fe0 sp=0xc0001d1fc8 pc=0x8c2dc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001d1fe8 sp=0xc0001d1fe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 23
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa25

goroutine 40 [IO wait]:
runtime.gopark(0x7f9baa110000?, 0xb?, 0x0?, 0x0?, 0x27?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000014600 sp=0xc0000145e0 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000014638 sp=0xc000014600 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa04da90, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000014658 sp=0xc000014638 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc000074600?, 0xc000686000?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000014680 sp=0xc000014658 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc000074600, {0xc000686000, 0x20000, 0x20000})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000014718 sp=0xc000014680 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0013f2178, {0xc000686000?, 0x7f9baa110000?, 0x0?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000014758 sp=0xc000014718 pc=0x4e7432
github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0004741c0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:629 +0x89 fp=0xc0000147c8 sp=0xc000014758 pc=0x8c2e89
github.com/google/syzkaller/pkg/ipc.makeCommand.func7()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:644 +0x27 fp=0xc0000147e0 sp=0xc0000147c8 pc=0x8c2dc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000147e8 sp=0xc0000147e0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 21
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:623 +0xa25

goroutine 10 [syscall]:
syscall.Syscall6(0x1a23220?, 0x0?, 0x185f9b8?, 0x0?, 0x1a23220?, 0x0?, 0x185f9e0?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc00001bde0 sp=0xc00001bd58 pc=0x4c2730
os.(*Process).blockUntilWaitable(0xc0000bee10)
	/usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc00001beb8 sp=0xc00001bde0 pc=0x4ed8f6
os.(*Process).wait(0xc0000bee10)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc00001bf18 sp=0xc00001beb8 pc=0x4e6ca5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc0000002c0)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc00001bf80 sp=0xc00001bf18 pc=0x52ada5
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc000474150)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x28 fp=0xc00001bfc8 sp=0xc00001bf80 pc=0x8c2d28
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x27 fp=0xc00001bfe0 sp=0xc00001bfc8 pc=0x8c2cc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00001bfe8 sp=0xc00001bfe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 23
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc34

goroutine 11 [IO wait]:
runtime.gopark(0x1000000000?, 0xb?, 0x0?, 0x0?, 0x19?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000525b8 sp=0xc000052598 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0000525f0 sp=0xc0000525b8 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa292b70, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000052610 sp=0xc0000525f0 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc0000743c0?, 0xc00048625c?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000052638 sp=0xc000052610 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000743c0, {0xc00048625c, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0000526d0 sp=0xc000052638 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0013f2158, {0xc00048625c?, 0xc000052748?, 0x410725?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000052710 sp=0xc0000526d0 pc=0x4e7432
io.ReadAtLeast({0xc82620, 0xc0013f2158}, {0xc00048625c, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000052758 sp=0xc000052710 pc=0x479fb0
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).handshake.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x5e fp=0xc0000527e0 sp=0xc000052758 pc=0x8c353e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 23
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x150

goroutine 41 [syscall]:
syscall.Syscall6(0x7f9baa110000?, 0xc8edd0?, 0x14ad6e0?, 0x7f9baa110000?, 0xc8edd0?, 0x14ade00?, 0x7f9baa110000?)
	/usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc000014de0 sp=0xc000014d58 pc=0x4c2730
os.(*Process).blockUntilWaitable(0xc00003c5d0)
	/usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc000014eb8 sp=0xc000014de0 pc=0x4ed8f6
os.(*Process).wait(0xc00003c5d0)
	/usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000014f18 sp=0xc000014eb8 pc=0x4e6ca5
os.(*Process).Wait(...)
	/usr/local/go/src/os/exec.go:134
os/exec.(*Cmd).Wait(0xc000000420)
	/usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000014f80 sp=0xc000014f18 pc=0x52ada5
github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0004741c0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:652 +0x28 fp=0xc000014fc8 sp=0xc000014f80 pc=0x8c2d28
github.com/google/syzkaller/pkg/ipc.makeCommand.func8()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:657 +0x27 fp=0xc000014fe0 sp=0xc000014fc8 pc=0x8c2cc7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000014fe8 sp=0xc000014fe0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 21
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:651 +0xc34

goroutine 42 [IO wait]:
runtime.gopark(0x14ad4a0?, 0xb?, 0x0?, 0x0?, 0x2c?)
	/usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc0000155b8 sp=0xc000015598 pc=0x43ce0e
runtime.netpollblock(0x4c06d8?, 0x407de6?, 0x0?)
	/usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc0000155f0 sp=0xc0000155b8 pc=0x435897
internal/poll.runtime_pollWait(0x7f9baa04d8a0, 0x72)
	/usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000015610 sp=0xc0000155f0 pc=0x467ae5
internal/poll.(*pollDesc).wait(0xc0000746c0?, 0xc000013638?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000015638 sp=0xc000015610 pc=0x4db047
internal/poll.(*pollDesc).waitRead(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:89
internal/poll.(*FD).Read(0xc0000746c0, {0xc000013638, 0x4, 0x4})
	/usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc0000156d0 sp=0xc000015638 pc=0x4dc33a
os.(*File).read(...)
	/usr/local/go/src/os/file_posix.go:29
os.(*File).Read(0xc0013f2188, {0xc000013638?, 0xc000015748?, 0x410725?})
	/usr/local/go/src/os/file.go:118 +0x52 fp=0xc000015710 sp=0xc0000156d0 pc=0x4e7432
io.ReadAtLeast({0xc82620, 0xc0013f2188}, {0xc000013638, 0x4, 0x4}, 0x4)
	/usr/local/go/src/io/io.go:335 +0x90 fp=0xc000015758 sp=0xc000015710 pc=0x479fb0
io.ReadFull(...)
	/usr/local/go/src/io/io.go:354
github.com/google/syzkaller/pkg/ipc.(*command).handshake.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:705 +0x5e fp=0xc0000157e0 sp=0xc000015758 pc=0x8c353e
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000157e8 sp=0xc0000157e0 pc=0x46d321
created by github.com/google/syzkaller/pkg/ipc.(*command).handshake in goroutine 21
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:702 +0x150

rax    0xca
rbx    0x0
rcx    0x46f163
rdx    0x0
rdi    0x1eea0c8
rsi    0x80
rbp    0x7fffda1ece50
rsp    0x7fffda1ece08
r8     0x0
r9     0x0
r10    0x0
r11    0x286
r12    0x443620
r13    0xc0000577a4
r14    0x1ee9960
r15    0x0
rip    0x46f161
rflags 0x286
cs     0x33
fs     0x0
gs     0x0