ci2 starts bisection 2024-08-27 07:28:31.661077034 +0000 UTC m=+62321.660563624
bisecting fixing commit since f085398f0e8f47d8744f0c974f9a50d9850e85bb
building syzkaller on 6baf506947ba27ed9ce775cf9351cb0886166083
ensuring issue is reproducible on original commit f085398f0e8f47d8744f0c974f9a50d9850e85bb

testing commit f085398f0e8f47d8744f0c974f9a50d9850e85bb gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 34abeb1e46909668f933c4da990b5dcec97ebbdea30dc0b9bab648b3a404a78a
run #0: crashed: panic: runtime error: floating point error
run #1: crashed: lost connection to test machine
run #2: crashed: lost connection to test machine
run #3: crashed: go runtime error
run #4: crashed: panic: runtime error: floating point error
run #5: crashed: lost connection to test machine
run #6: crashed: panic: runtime error: floating point error
run #7: crashed: lost connection to test machine
run #8: crashed: lost connection to test machine
run #9: crashed: panic: runtime error: floating point error
run #10: crashed: lost connection to test machine
run #11: crashed: lost connection to test machine
run #12: crashed: lost connection to test machine
run #13: crashed: lost connection to test machine
run #14: crashed: lost connection to test machine
run #15: crashed: lost connection to test machine
run #16: crashed: lost connection to test machine
run #17: crashed: lost connection to test machine
run #18: crashed: lost connection to test machine
run #19: crashed: lost connection to test machine
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 f085398f0e8f47d8744f0c974f9a50d9850e85bb gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 652553718861084813c416332c19fa65a85d2bbf9daba159c6b741f187a4c9c5
run #0: crashed: panic: runtime error: floating point error
run #1: crashed: lost connection to test machine
run #2: crashed: lost connection to test machine
run #3: crashed: panic: runtime error: floating point error
run #4: crashed: panic: runtime error: floating point error
run #5: crashed: lost connection to test machine
run #6: crashed: lost connection to test machine
run #7: crashed: lost connection to test machine
run #8: crashed: lost connection to test machine
run #9: crashed: lost connection to test machine
representative crash: panic: runtime error: floating point error, types: [UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
kconfig minimization: base=5179 full=6492 leaves diff=255
split chunks (needed=false): <255>
split chunk #0 of len 255 into 5 parts
testing without sub-chunk 1/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit f085398f0e8f47d8744f0c974f9a50d9850e85bb gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 110bfdec484500150b2828f13267f3452f86a7a4e862e99b54d1c57cb8d491a1
run #0: crashed: go runtime error
run #1: crashed: go runtime error
run #2: crashed: go runtime error
run #3: crashed: go runtime error
run #4: crashed: panic: runtime error: floating point error
run #5: crashed: go runtime error
run #6: crashed: lost connection to test machine
run #7: crashed: panic: runtime error: floating point error
run #8: crashed: lost connection to test machine
run #9: crashed: lost connection to test machine
representative crash: go runtime error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit f085398f0e8f47d8744f0c974f9a50d9850e85bb gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 402817497529e22433c33acd8fe3ea490f4e5414739461dca6e795f3966583d5
run #0: crashed: go runtime error
run #1: crashed: go runtime error
run #2: crashed: panic: runtime error: floating point error
run #3: crashed: lost connection to test machine
run #4: crashed: lost connection to test machine
run #5: crashed: panic: runtime error: floating point error
run #6: crashed: panic: runtime error: floating point error
run #7: crashed: lost connection to test machine
run #8: crashed: lost connection to test machine
run #9: crashed: lost connection to test machine
representative crash: go runtime error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit f085398f0e8f47d8744f0c974f9a50d9850e85bb gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ab24a5bfdc86792ca1746dd1100d98f91efd34b0ec199f2a295b404f946fc710
run #0: crashed: panic: runtime error: floating point error
run #1: crashed: panic: runtime error: floating point error
run #2: crashed: panic: runtime error: floating point error
run #3: crashed: panic: runtime error: floating point error
run #4: crashed: panic: runtime error: floating point error
run #5: crashed: panic: runtime error: floating point error
run #6: crashed: lost connection to test machine
run #7: crashed: lost connection to test machine
run #8: crashed: lost connection to test machine
run #9: crashed: lost connection to test machine
representative crash: panic: runtime error: floating point error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit f085398f0e8f47d8744f0c974f9a50d9850e85bb gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 75cf22d972c13088b2104e3600bcae6efce3f0b0bae09a6a8f4886280a8e07c3
run #0: crashed: panic: runtime error: floating point error
run #1: crashed: panic: runtime error: floating point error
run #2: crashed: panic: runtime error: floating point error
run #3: crashed: lost connection to test machine
run #4: crashed: panic: runtime error: floating point error
run #5: crashed: go runtime error
run #6: crashed: lost connection to test machine
run #7: crashed: panic: runtime error: floating point error
run #8: crashed: lost connection to test machine
run #9: crashed: lost connection to test machine
representative crash: panic: runtime error: floating point error, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit f085398f0e8f47d8744f0c974f9a50d9850e85bb gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building f085398f0e8f47d8744f0c974f9a50d9850e85bb: net/socket.c:1242: undefined reference to `wext_handle_ioctl'
net/socket.c:3437: undefined reference to `compat_wext_handle_ioctl'
net/core/net-procfs.c:329: undefined reference to `wext_proc_init'
net/core/net-procfs.c:345: undefined reference to `wext_proc_exit'
minimized to 51 configs; suspects: [HID_ZEROPLUS 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 V4L2_ASYNC V4L2_FWNODE VIDEO_CAMERA_SENSOR 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing current HEAD 42515e9246a690e226e6dde38cf5a0b98100e031
testing commit 42515e9246a690e226e6dde38cf5a0b98100e031 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3cdc62ef572c1778dbdde88c9d692c5d92794c9c7302c084a6da2a2fc14c92ed
run #0: crashed: panic: runtime error: floating point error
run #1: crashed: lost connection to test machine
run #2: crashed: lost connection to test machine
run #3: crashed: panic: runtime error: floating point error
run #4: crashed: panic: runtime error: floating point error
run #5: crashed: panic: runtime error: floating point error
run #6: crashed: panic: runtime error: floating point error
run #7: crashed: go runtime error
run #8: crashed: lost connection to test machine
run #9: crashed: lost connection to test machine
representative crash: panic: runtime error: floating point error, types: [UNKNOWN]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 39m58.068155749s (build: 16m55.151664299s, test: 20m49.951013028s)
crash still not fixed or there were kernel test errors
commit msg: ANDROID: sched: Add android_vh_set_task_comm
crash: panic: runtime error: floating point error
panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x4cd7e0]

goroutine 22 [running]:
time.Since({0xc00112fe88, 0x981860, 0x2328e00})
	/usr/local/go/src/time/time.go:911
main.(*Context).getProgramIndex(0xc00133b000)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:318 +0x96
main.(*Context).run(0xc00133b000, 0x0?)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:161 +0xd9
main.main.func3()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:127 +0x51
created by main.main in goroutine 1
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:125 +0x5bf