ci2 starts bisection 2024-05-20 18:32:34.838869492 +0000 UTC m=+239527.374918049
bisecting fixing commit since e7daca75b4c3d290e04c819a98f91127c21bd5ee
building syzkaller on 51c4dcff83b0574620c280cc5130ef59cc4a2e32
ensuring issue is reproducible on original commit e7daca75b4c3d290e04c819a98f91127c21bd5ee

testing commit e7daca75b4c3d290e04c819a98f91127c21bd5ee gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d2dd529ce43d726f59faf0f22b0b48d7df47dec57200e5a5afe5d877c5f49298
all runs: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
representative crash: KASAN: use-after-free Write in virtio_transport_recv_pkt, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit e7daca75b4c3d290e04c819a98f91127c21bd5ee gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f57957b1ffafff42a4336f999b1d05de472e7c5c5819207f2d1f555ed3a2b149
all runs: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
representative crash: KASAN: use-after-free Write in virtio_transport_recv_pkt, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
kconfig minimization: base=4789 full=6019 leaves diff=238
split chunks (needed=false): <238>
split chunk #0 of len 238 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit e7daca75b4c3d290e04c819a98f91127c21bd5ee gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f010a08806305cdfffd40e9c9844e66c4886813139d2f6956c0de6b175266a64
all runs: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
representative crash: KASAN: use-after-free Write in virtio_transport_recv_pkt, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit e7daca75b4c3d290e04c819a98f91127c21bd5ee gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dd9108f63aacaa2464a6fb154f35e00b0844dde0bd6b466ed5c4130c5bf4cdb9
all runs: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
representative crash: KASAN: use-after-free Write in virtio_transport_recv_pkt, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit e7daca75b4c3d290e04c819a98f91127c21bd5ee gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c198159527020f34e2a93a0c00c863047713f08fa3a96616c7043a198440cd45
run #0: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
run #1: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
run #2: crashed: KFENCE: use-after-free in virtio_transport_recv_pkt
run #3: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
run #4: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
run #5: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
run #6: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
run #7: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
run #8: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
run #9: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
representative crash: KASAN: use-after-free Write in virtio_transport_recv_pkt, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit e7daca75b4c3d290e04c819a98f91127c21bd5ee gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 00d96018abcd573b718adc37c0c8387d9fe5ad76edb67198b178f135c97ff0a4
all runs: crashed: KASAN: use-after-free Write in virtio_transport_recv_pkt
representative crash: KASAN: use-after-free Write in virtio_transport_recv_pkt, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit e7daca75b4c3d290e04c819a98f91127c21bd5ee gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building e7daca75b4c3d290e04c819a98f91127c21bd5ee: net/socket.c:1128: undefined reference to `wext_handle_ioctl'
net/socket.c:3397: undefined reference to `compat_wext_handle_ioctl'
net/core/net-procfs.c:346: undefined reference to `wext_proc_exit'
net/core/net-procfs.c:330: undefined reference to `wext_proc_init'
minimized to 46 configs; suspects: [HID_ZEROPLUS 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 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 [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing current HEAD 15b61bfa9950ab95c0c3e42654e9fc5ec1c1c010
testing commit 15b61bfa9950ab95c0c3e42654e9fc5ec1c1c010 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 15b61bfa9950ab95c0c3e42654e9fc5ec1c1c010: arch/x86/kernel/paravirt.c:65:2: error: implicit declaration of function '__text_gen_insn' [-Werror=implicit-function-declaration]
arch/x86/kernel/paravirt.c:65:29: error: 'CALL_INSN_OPCODE' undeclared (first use in this function)
arch/x86/kernel/paravirt.c:66:26: error: 'CALL_INSN_SIZE' undeclared (first use in this function)
arch/x86/kernel/paravirt.c:68:1: error: control reaches end of non-void function [-Werror=return-type]
HEAD had kernel build, boot or test errors
revisions tested: 6, total time: 1h18m24.326930084s (build: 50m58.880322429s, test: 26m4.579751476s)
crash still not fixed or there were kernel test errors
commit msg: Revert "regmap: allow to define reg_update_bits for no bus configuration"
crash: failed building 15b61bfa9950ab95c0c3e42654e9fc5ec1c1c010: arch/x86/kernel/paravirt.c:65:2: error: implicit declaration of function '__text_gen_insn' [-Werror=implicit-function-declaration]
arch/x86/kernel/paravirt.c:65:29: error: 'CALL_INSN_OPCODE' undeclared (first use in this function)
arch/x86/kernel/paravirt.c:66:26: error: 'CALL_INSN_SIZE' undeclared (first use in this function)
arch/x86/kernel/paravirt.c:68:1: error: control reaches end of non-void function [-Werror=return-type]