ci2 starts bisection 2025-01-16 00:57:21.203468799 +0000 UTC m=+25083.257758693
bisecting fixing commit since 61cfd264993d07540f60a5c53d77a14c818e54a9
building syzkaller on 56230772cba106f46117f03491f01c3cf511ae26
ensuring issue is reproducible on original commit 61cfd264993d07540f60a5c53d77a14c818e54a9

testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f356c527016e57f77895dd838e56fd650820968ac9e43acc002e1b334967fafc
all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun
representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9c6b65946e6d76ee0675575979c3d4e228d7220cb35f4f52a9a48cb2bca0cdca
all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun
representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE]
the bug reproduces without the instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
kconfig minimization: base=4920 full=6161 leaves diff=241
split chunks (needed=false): <241>
split chunk #0 of len 241 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b187cfc259c33705f31756b8deda13b860692d0c1a1e079a9a5cdc801eac877b
all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun
representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b5f988bca472f69f8b0afcd84c04e01b89dd656ee064a77129f982ac84baf88f
all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun
representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE]
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 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3dee75e13baa826a1c73fdaeb5b2543de2ee745b92515c5dbf3736d309c8ffda
all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun
representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c6a479f921a31acf95609091c967a1f94cecb7e4819b7e3e97d1e536cae1cd58
all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun
representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 61cfd264993d07540f60a5c53d77a14c818e54a9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 61cfd264993d07540f60a5c53d77a14c818e54a9: net/socket.c:1189: undefined reference to `wext_handle_ioctl'
net/socket.c:3383: undefined reference to `compat_wext_handle_ioctl'
net/core/net-procfs.c:343: undefined reference to `wext_proc_exit'
net/core/net-procfs.c:327: undefined reference to `wext_proc_init'
minimized to 45 configs; suspects: [HID_ZEROPLUS 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 USB_SERIAL_FTDI_SIO 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 WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_ZYDAS X86_X32 ZEROPLUS_FF]
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing current HEAD 829d9f1385697bfbda55c9d272404b976503bdbe
testing commit 829d9f1385697bfbda55c9d272404b976503bdbe gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a38347801fdc9d7b1063753266fdf82483b24d0870b828eb80fcad238733e3bf
all runs: crashed: SYZFAIL: tun: can't open /dev/net/tun
representative crash: SYZFAIL: tun: can't open /dev/net/tun, types: [SYZ_FAILURE]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 59m49.773367743s (build: 35m49.894884293s, test: 21m43.172745441s)
crash still not fixed or there were kernel test errors
commit msg: Revert "tracing: Constify string literal data member in struct trace_event_call"
crash: SYZFAIL: tun: can't open /dev/net/tun
2025/01/16 01:56:37 [FATAL] executor failed 11 times: executor 0: exit status 67 err exit status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
exit status 67

SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
exit status 67