ci2 starts bisection 2025-09-23 19:43:21.874490689 +0000 UTC m=+12877.270418466 bisecting fixing commit since c79648372d02944bf4a54d87e3901db05d0ac82e building syzkaller on 88248e14c8cbf1fbd42c1a1a91b709987b4be842 ensuring issue is reproducible on original commit c79648372d02944bf4a54d87e3901db05d0ac82e testing commit c79648372d02944bf4a54d87e3901db05d0ac82e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4c0cb1e48e0bccd4d629b538fb5b781351d2c424c51213f7b0f31e7c6d02fed all runs: crashed: kernel BUG in pskb_expand_head representative crash: kernel BUG in pskb_expand_head, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit c79648372d02944bf4a54d87e3901db05d0ac82e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0aa1b0906441bcc5b2937b8192eb512c2522b9b042d2ddf79b622e83fcd2d3fb all runs: crashed: kernel BUG in pskb_expand_head representative crash: kernel BUG in pskb_expand_head, types: [BUG] the bug reproduces without the instrumentation disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed kconfig minimization: base=3707 full=7423 leaves diff=2099 split chunks (needed=false): <2099> split chunk #0 of len 2099 into 5 parts testing without sub-chunk 1/5 disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit c79648372d02944bf4a54d87e3901db05d0ac82e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9fc3a260e0eeb8a8d99e0ec4ad991f11b9d8c35fcc12a991baa7e4b7cf902bf0 all runs: crashed: kernel BUG in pskb_expand_head representative crash: kernel BUG in pskb_expand_head, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed testing commit c79648372d02944bf4a54d87e3901db05d0ac82e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b74a268cc47854257113c82dd1ccd913fb542dfaf39326f1785fd0195852525 all runs: crashed: kernel BUG in pskb_expand_head representative crash: kernel BUG in pskb_expand_head, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit c79648372d02944bf4a54d87e3901db05d0ac82e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: acd08057852c3a3d7061709ce64b0cec02e95203c12f65a457d82be71b56d563 all runs: crashed: kernel BUG in pskb_expand_head representative crash: kernel BUG in pskb_expand_head, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit c79648372d02944bf4a54d87e3901db05d0ac82e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bc3bb2342ea0dde252ae4d64b27c80b1fdc51a33c12b4b3a83d32cbedda1839c all runs: crashed: kernel BUG in pskb_expand_head representative crash: kernel BUG in pskb_expand_head, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit c79648372d02944bf4a54d87e3901db05d0ac82e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: abad904eb1e955691d73f846ce9fe10c44d77ec7bad2f9287668eec6b5713d84 all runs: OK false negative chance: 0.000 minimized to 419 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB FRONTSWAP GPIOLIB HID_ZEROPLUS I2C_MUX IIO IRQ_REMAP LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTPLUG_SPARSE MEMORY_HOTREMOVE MFD_VIPERBOARD NOP_USB_XCEIV PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS 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USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STKWEBCAM USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 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_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USB_ZR364XX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOBUF_GEN VIDEOBUF_VMALLOC VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CPIA2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TM6000 VIDEO_TM6000_ALSA VIDEO_TM6000_DVB VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2 VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK X86_SGX X86_X2APIC XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing current HEAD 43bb85222e53926decace01ce6584ca88e09a0a9 testing commit 43bb85222e53926decace01ce6584ca88e09a0a9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fdb022c424e5605a259779b15c3cc114b11e639f19ebc192c5e911b69439fc14 all runs: OK false negative chance: 0.000 # git bisect start 43bb85222e53926decace01ce6584ca88e09a0a9 c79648372d02944bf4a54d87e3901db05d0ac82e Bisecting: 376 revisions left to test after this (roughly 9 steps) [56c4837283ebe72b409688286ab39ad262fc76b8] wifi: rtlwifi: fix possible skb memory leak in _rtl_pci_init_one_rxdesc() determine whether the revision contains the guilty commit revision c79648372d02944bf4a54d87e3901db05d0ac82e crashed and is reachable testing commit 56c4837283ebe72b409688286ab39ad262fc76b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 07451eb2d594ffb5f1ccf2ac99e02ee97765b38e7b7a4bbc8f102285bd8eca50 all runs: OK false negative chance: 0.000 # git bisect bad 56c4837283ebe72b409688286ab39ad262fc76b8 Bisecting: 187 revisions left to test after this (roughly 8 steps) [5867d62dfe924498c77b465160afb983d8503a2d] crypto: keembay - Fix dma_unmap_sg() nents value determine whether the revision contains the guilty commit revision c79648372d02944bf4a54d87e3901db05d0ac82e crashed and is reachable testing commit 5867d62dfe924498c77b465160afb983d8503a2d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2eb0cbdad46b8f115a76bf7bf435da2512bd8001698d6675bda1af83ba1bf8c all runs: OK false negative chance: 0.000 # git bisect bad 5867d62dfe924498c77b465160afb983d8503a2d Bisecting: 93 revisions left to test after this (roughly 7 steps) [8aa46b2428b8829fb4ca16e8af3a2c3458e67ebd] dpaa2-switch: Fix device reference count leak in MAC endpoint handling determine whether the revision contains the guilty commit revision c79648372d02944bf4a54d87e3901db05d0ac82e crashed and is reachable testing commit 8aa46b2428b8829fb4ca16e8af3a2c3458e67ebd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7e58078b33ea00ce91dbdfeb4c72c930dd2e733cd538bea39a54b8fa14827fc9 all runs: OK false negative chance: 0.000 # git bisect bad 8aa46b2428b8829fb4ca16e8af3a2c3458e67ebd Bisecting: 46 revisions left to test after this (roughly 6 steps) [a6a238c4126eb3ddb495d3f960193ca5bb778d92] usb: net: sierra: check for no status endpoint determine whether the revision contains the guilty commit revision c79648372d02944bf4a54d87e3901db05d0ac82e crashed and is reachable testing commit a6a238c4126eb3ddb495d3f960193ca5bb778d92 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 747fdb24faa92cf51c82eed0a00c87a28a6c149fe5f2037f9ca6a7075b54937a all runs: crashed: kernel BUG in pskb_expand_head representative crash: kernel BUG in pskb_expand_head, types: [BUG] # git bisect good a6a238c4126eb3ddb495d3f960193ca5bb778d92 Bisecting: 23 revisions left to test after this (roughly 5 steps) [7722142d72652a92b428004781813d15dab0c125] platform/x86: think-lmi: Fix kobject cleanup determine whether the revision contains the guilty commit revision c79648372d02944bf4a54d87e3901db05d0ac82e crashed and is reachable testing commit 7722142d72652a92b428004781813d15dab0c125 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6edf268378650a6d8b0d3abf90e2a86b9cdc07913177edc1cf9db511e63387ab all runs: crashed: kernel BUG in pskb_expand_head representative crash: kernel BUG in pskb_expand_head, types: [BUG] # git bisect good 7722142d72652a92b428004781813d15dab0c125 Bisecting: 11 revisions left to test after this (roughly 4 steps) [4640c4dc604d50e604e3003f0090b5e4d3cb4b11] i40e: report VF tx_dropped with tx_errors instead of tx_discards determine whether the revision contains the guilty commit revision a6a238c4126eb3ddb495d3f960193ca5bb778d92 crashed and is reachable testing commit 4640c4dc604d50e604e3003f0090b5e4d3cb4b11 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7e58078b33ea00ce91dbdfeb4c72c930dd2e733cd538bea39a54b8fa14827fc9 all runs: OK false negative chance: 0.000 # git bisect bad 4640c4dc604d50e604e3003f0090b5e4d3cb4b11 Bisecting: 5 revisions left to test after this (roughly 3 steps) [664e5a6f541ff226621487d1280d2ec28e86be28] Input: gpio-keys - fix a sleep while atomic with PREEMPT_RT determine whether the revision contains the guilty commit revision a6a238c4126eb3ddb495d3f960193ca5bb778d92 crashed and is reachable testing commit 664e5a6f541ff226621487d1280d2ec28e86be28 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fa63860d698357eb9c9f2ae5ba4af6439ba4585343ec84ad1c27279d82f2ec28 all runs: OK false negative chance: 0.000 # git bisect bad 664e5a6f541ff226621487d1280d2ec28e86be28 Bisecting: 2 revisions left to test after this (roughly 2 steps) [5ce1264b586d53775f69769606e8c4afcbd7f85c] sched: Add wrapper for get_wchan() to keep task blocked determine whether the revision contains the guilty commit revision c79648372d02944bf4a54d87e3901db05d0ac82e crashed and is reachable testing commit 5ce1264b586d53775f69769606e8c4afcbd7f85c gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7e23f1d6a67a3ffacfc1302f93936663c768f5cf32dfc48b7abd4203324192e6 all runs: OK false negative chance: 0.000 # git bisect bad 5ce1264b586d53775f69769606e8c4afcbd7f85c Bisecting: 0 revisions left to test after this (roughly 1 step) [b52e53a44a4320d357b7462d11a98cf1146c22c0] x86: Fix get_wchan() to support the ORC unwinder determine whether the revision contains the guilty commit revision a6a238c4126eb3ddb495d3f960193ca5bb778d92 crashed and is reachable testing commit b52e53a44a4320d357b7462d11a98cf1146c22c0 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 90ebc6e93e8c65b8983768b8b310440b327f2d8621ae00057a52589141d253dd all runs: OK false negative chance: 0.000 # git bisect bad b52e53a44a4320d357b7462d11a98cf1146c22c0 Bisecting: 0 revisions left to test after this (roughly 0 steps) [4dba44333a11522df54b49aa1f2edfaf6ce35fc7] bpf, sockmap: Fix panic when calling skb_linearize determine whether the revision contains the guilty commit revision c79648372d02944bf4a54d87e3901db05d0ac82e crashed and is reachable testing commit 4dba44333a11522df54b49aa1f2edfaf6ce35fc7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 12a256a85eb7b41a56ddae34031306c905f8934c875f3d0e5e6f83a807d48a6d all runs: OK false negative chance: 0.000 # git bisect bad 4dba44333a11522df54b49aa1f2edfaf6ce35fc7 4dba44333a11522df54b49aa1f2edfaf6ce35fc7 is the first bad commit commit 4dba44333a11522df54b49aa1f2edfaf6ce35fc7 Author: Jiayuan Chen Date: Mon Apr 7 22:21:22 2025 +0800 bpf, sockmap: Fix panic when calling skb_linearize commit 5ca2e29f6834c64c0e5a9ccf1278c21fb49b827e upstream. The panic can be reproduced by executing the command: ./bench sockmap -c 2 -p 1 -a --rx-verdict-ingress --rx-strp 100000 Then a kernel panic was captured: ''' [ 657.460555] kernel BUG at net/core/skbuff.c:2178! [ 657.462680] Tainted: [W]=WARN [ 657.463287] Workqueue: events sk_psock_backlog ... [ 657.469610] [ 657.469738] ? die+0x36/0x90 [ 657.469916] ? do_trap+0x1d0/0x270 [ 657.470118] ? pskb_expand_head+0x612/0xf40 [ 657.470376] ? pskb_expand_head+0x612/0xf40 [ 657.470620] ? do_error_trap+0xa3/0x170 [ 657.470846] ? pskb_expand_head+0x612/0xf40 [ 657.471092] ? handle_invalid_op+0x2c/0x40 [ 657.471335] ? pskb_expand_head+0x612/0xf40 [ 657.471579] ? exc_invalid_op+0x2d/0x40 [ 657.471805] ? asm_exc_invalid_op+0x1a/0x20 [ 657.472052] ? pskb_expand_head+0xd1/0xf40 [ 657.472292] ? pskb_expand_head+0x612/0xf40 [ 657.472540] ? lock_acquire+0x18f/0x4e0 [ 657.472766] ? find_held_lock+0x2d/0x110 [ 657.472999] ? __pfx_pskb_expand_head+0x10/0x10 [ 657.473263] ? __kmalloc_cache_noprof+0x5b/0x470 [ 657.473537] ? __pfx___lock_release.isra.0+0x10/0x10 [ 657.473826] __pskb_pull_tail+0xfd/0x1d20 [ 657.474062] ? __kasan_slab_alloc+0x4e/0x90 [ 657.474707] sk_psock_skb_ingress_enqueue+0x3bf/0x510 [ 657.475392] ? __kasan_kmalloc+0xaa/0xb0 [ 657.476010] sk_psock_backlog+0x5cf/0xd70 [ 657.476637] process_one_work+0x858/0x1a20 ''' The panic originates from the assertion BUG_ON(skb_shared(skb)) in skb_linearize(). A previous commit(see Fixes tag) introduced skb_get() to avoid race conditions between skb operations in the backlog and skb release in the recvmsg path. However, this caused the panic to always occur when skb_linearize is executed. The "--rx-strp 100000" parameter forces the RX path to use the strparser module which aggregates data until it reaches 100KB before calling sockmap logic. The 100KB payload exceeds MAX_MSG_FRAGS, triggering skb_linearize. To fix this issue, just move skb_get into sk_psock_skb_ingress_enqueue. ''' sk_psock_backlog: sk_psock_handle_skb skb_get(skb) <== we move it into 'sk_psock_skb_ingress_enqueue' sk_psock_skb_ingress____________ ↓ | | → sk_psock_skb_ingress_self | sk_psock_skb_ingress_enqueue sk_psock_verdict_apply_________________↑ skb_linearize ''' Note that for verdict_apply path, the skb_get operation is unnecessary so we add 'take_ref' param to control it's behavior. Fixes: a454d84ee20b ("bpf, sockmap: Fix skb refcnt race after locking changes") Signed-off-by: Jiayuan Chen Link: https://lore.kernel.org/r/20250407142234.47591-4-jiayuan.chen@linux.dev Signed-off-by: Alexei Starovoitov [ adapted skb_linearize() fix to 5.15's sk_psock_skb_ingress_enqueue implementation without the s_data parameter ] Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman net/core/skmsg.c | 50 +++++++++++++++++++++++++++----------------------- 1 file changed, 27 insertions(+), 23 deletions(-) accumulated error probability: 0.00 culprit signature: 12a256a85eb7b41a56ddae34031306c905f8934c875f3d0e5e6f83a807d48a6d parent signature: 6edf268378650a6d8b0d3abf90e2a86b9cdc07913177edc1cf9db511e63387ab revisions tested: 18, total time: 4h37m23.26439035s (build: 1h36m2.908885978s, test: 2h57m3.810708079s) first good commit: 4dba44333a11522df54b49aa1f2edfaf6ce35fc7 bpf, sockmap: Fix panic when calling skb_linearize recipients (to): ["ast@kernel.org" "gregkh@linuxfoundation.org" "jiayuan.chen@linux.dev" "sashal@kernel.org"] recipients (cc): []