ci2 starts bisection 2026-11-02 11:53:25.836046087 +0000 UTC m=+6539.990376523 bisecting fixing commit since fb28aa725e05025101446230b14b1defe4c66666 building syzkaller on 6b7c9f71e24af3298047f0c87bac418a78aa9112 ensuring issue is reproducible on original commit fb28aa725e05025101446230b14b1defe4c66666 testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 kernel signature: 8c68aaa73197a6d098d893e65e353b674c982e38bcef12647904c611c604090f all runs: crashed: WARNING in ceph_con_v1_try_read representative crash: WARNING in ceph_con_v1_try_read, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 kernel signature: 6b5956a6f3689bb490e955613e396899349625e03659636324278fc7c2bcee5e all runs: crashed: WARNING in ceph_con_v1_try_read representative crash: WARNING in ceph_con_v1_try_read, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed kconfig minimization: base=7508 full=9788 leaves diff=2007 split chunks (needed=false): <2007> split chunk #0 of len 2007 into 5 parts testing without sub-chunk 1/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 kernel signature: ed3d34256fe862fb57cdfebdeb612d7515a7feaafd9b544f9129ac5cc3641019 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 kernel signature: c924c629c00869c0ca8678fecb2595da223f53280172a7dc446526c0c65c2a92 all runs: crashed: WARNING in ceph_con_v1_try_read representative crash: WARNING in ceph_con_v1_try_read, types: [WARNING] 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 fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 kernel signature: 22dcce55a441ae111453398da11869020b5b09bfb6ac0a036193156fad8a1b56 all runs: crashed: WARNING in ceph_con_v1_try_read representative crash: WARNING in ceph_con_v1_try_read, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 kernel signature: 956aa9bfa4ed2c7888cc32f600ba73bb876e590bfb1de6cb70cca1285e9638e9 all runs: crashed: WARNING in ceph_con_v1_try_read representative crash: WARNING in ceph_con_v1_try_read, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 kernel signature: 6e57a91bd0e24e7f040dd79eba96a1e2f502a060a15f26ce4ad28dd9aff3e3ee all runs: crashed: WARNING in ceph_con_v1_try_read representative crash: WARNING in ceph_con_v1_try_read, types: [WARNING] the chunk can be dropped minimized to 402 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_DOCK ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APPLE_MFI_FASTCHARGE AR5523 ARM64_ERRATUM_4118414 ARM_SDE_INTERFACE ASM_MODVERSIONS ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATA_PIIX ATH10K ATH10K_CE ATH10K_PCI ATH10K_SNOC ATH10K_USB ATH11K ATH11K_AHB ATH11K_PCI ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AX25 AX25_DAMA_SLAVE BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BINFMT_MISC BLK_CGROUP_IOCOST BLK_CGROUP_IOLATENCY BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_SR BLK_DEV_THROTTLING BLK_DEV_UBLK BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_RDMA BLK_RQ_ALLOC_TIME BLK_WBT BLK_WBT_MQ BONDING BPF_JIT_ALWAYS_ON BPQETHER BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_MRP BRIDGE_NF_EBTABLES BSD_DISKLABEL BTRFS_ASSERT BTRFS_FS_REF_VERIFY BT_6LOWPAN BT_ATH3K BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_MTK BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIVHCI BT_LE BT_MSFTEXT BT_MTK BT_RFCOMM BT_RFCOMM_TTY CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN_8DEV_USB CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_GS_USB CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_PEAK_USB CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CAPI_TRACE CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CDROM CEC_CORE CEC_NOTIFIER CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_NET_CLASSID CGROUP_NET_PRIO CGROUP_RDMA CHARGER_BQ24190 CHARGER_ISP1704 CHECKPOINT_RESTORE CHECK_SIGNATURE CHR_DEV_SG CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLS_U32_MARK CLS_U32_PERF CMDLINE_PARTITION COMEDI COMEDI_8254 COMEDI_8255 COMEDI_8255_PCI COMEDI_8255_SA COMEDI_ADL_PCI9118 COMEDI_BOND COMEDI_DT9812 COMEDI_KCOMEDILIB COMEDI_MISC_DRIVERS COMEDI_NI_DAQ_700_CS COMEDI_NI_LABPC COMEDI_NI_LABPC_CS COMEDI_NI_LABPC_PCI COMEDI_NI_USB6501 COMEDI_PARPORT COMEDI_PCI_DRIVERS COMEDI_PCMCIA_DRIVERS COMEDI_TEST COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES CONNECTOR COUNTER CPU_FREQ_DEFAULT_GOV_USERSPACE CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AES_ARM64 CRYPTO_AES_TI CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_CAMELLIA CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CRC32 CRYPTO_CTS CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_VIRTIO CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECRDSA CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_NHPOLY1305 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_NEON CRYPTO_POLYVAL CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SEQIV CRYPTO_SM2 CRYPTO_SM4_ARM64_CE CRYPTO_SM4_ARM64_CE_BLK CRYPTO_SM4_ARM64_NEON_BLK CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_COMMON CRYPTO_USER CRYPTO_USER_API_AEAD CRYPTO_USER_API_HASH CRYPTO_USER_API_SKCIPHER CRYPTO_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCB DEFAULT_CUBIC DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_ANALOGIX_DP DRM_BOCHS DRM_BRIDGE DRM_CDNS_MHDP8546 DRM_CDNS_MHDP8546_J721E DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_CONNECTOR DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_DP_AUX_BUS DRM_DW_HDMI DRM_DW_HDMI_AHB_AUDIO DRM_DW_HDMI_CEC DRM_DW_HDMI_I2S_AUDIO DRM_DW_MIPI_DSI DRM_ETNAVIV DRM_ETNAVIV_THERMAL DRM_EXYNOS DRM_EXYNOS5433_DECON DRM_EXYNOS7_DECON DRM_EXYNOS_DSI DRM_EXYNOS_HDMI DRM_EXYNOS_MIC DRM_FBDEV_EMULATION DRM_GEM_DMA_HELPER DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_HDLCD DRM_HISI_HIBMC DRM_HISI_KIRIN DRM_I2C_ADV7511 DRM_I2C_ADV7511_AUDIO DRM_I2C_ADV7511_CEC DRM_I2C_CH7006 DRM_I2C_NXP_TDA998X DRM_I2C_SIL164 DRM_IMX_DCSS DRM_KMS_HELPER DRM_KOMEDA DRM_LEGACY DRM_LIMA DRM_LONTIUM_LT8912B DRM_LONTIUM_LT9611 DRM_LONTIUM_LT9611UXC DRM_MALI_DISPLAY DRM_MEDIATEK DRM_MEDIATEK_HDMI DRM_MESON DRM_MESON_DW_HDMI DRM_MIPI_DSI DRM_MSM DRM_MSM_DP DRM_MSM_DPU DRM_MSM_DSI DRM_MSM_DSI_10NM_PHY DRM_MSM_DSI_14NM_PHY DRM_MSM_DSI_20NM_PHY DRM_MSM_DSI_28NM_8960_PHY DRM_MSM_DSI_28NM_PHY DRM_MSM_DSI_7NM_PHY DRM_MSM_GPU_STATE DRM_MSM_HDMI DRM_MSM_HDMI_HDCP DRM_MSM_MDP4 DRM_MSM_MDP5 DRM_MSM_MDSS DRM_MXS DRM_MXSFB DRM_NOMODESET DRM_NOUVEAU DRM_NOUVEAU_BACKLIGHT DRM_NWL_MIPI_DSI DRM_PANEL DRM_PANEL_BOE_TV101WUM_NL6 DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_LVDS DRM_PANEL_MANTIX_MLAF057WE51 DRM_PANEL_RAYDIUM_RM67191 DRM_PANEL_SIMPLE DRM_PANEL_SITRONIX_ST7703 DRM_PANEL_TRULY_NT35597_WQXGA DRM_PANFROST DRM_PARADE_PS8640 DRM_PL111 DRM_RCAR_CMM DRM_RCAR_DU DRM_RCAR_DW_HDMI DRM_RCAR_LVDS DRM_RCAR_MIPI_DSI DRM_RCAR_USE_CMM DRM_RCAR_USE_LVDS DRM_RCAR_USE_MIPI_DSI DRM_RCAR_VSP DRM_RCAR_WRITEBACK DRM_SCHED DRM_SII902X DRM_SIMPLEDRM DRM_SIMPLE_BRIDGE DRM_SUN4I DRM_SUN6I_DSI DRM_SUN8I_DW_HDMI DRM_SUN8I_MIXER DRM_SUN8I_TCON_TOP DRM_TEGRA ENCRYPTED_KEYS FSCACHE HAMRADIO HID_DRAGONRISE INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI MAC80211 MAC80211_LEDS MFD_DLN2 NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED PCCARD PCMCIA RFKILL SND SND_SOC SOUND TCP_CONG_ADVANCED TLS TLS_DEVICE TRUSTED_KEYS WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH ZONE_DEVICE] disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing current HEAD 08889840163ebcdb7e24bf7ec311bc2e6fc3aaea testing commit 08889840163ebcdb7e24bf7ec311bc2e6fc3aaea gcc compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 kernel signature: 501cea45030760a803e403b57f2418456c057dcf866b59f894ad8854c81dfc37 all runs: crashed: WARNING in ceph_con_v1_try_read representative crash: WARNING in ceph_con_v1_try_read, types: [WARNING] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h7m1.799803211s (build: 55m42.849218859s, test: 53m17.00494976s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.191 crash: WARNING in ceph_con_v1_try_read ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7 at net/ceph/messenger_v1.c:912 process_connect net/ceph/messenger_v1.c:1311 [inline] WARNING: CPU: 0 PID: 7 at net/ceph/messenger_v1.c:912 ceph_con_v1_try_read+0xe14/0x1830 net/ceph/messenger_v1.c:1294 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: ceph-msgr ceph_con_workfn pstate: 22400005 (nzCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : process_connect net/ceph/messenger_v1.c:1311 [inline] pc : ceph_con_v1_try_read+0xe14/0x1830 net/ceph/messenger_v1.c:1294 lr : ceph_tcp_recvmsg net/ceph/messenger_v1.c:34 [inline] lr : read_partial net/ceph/messenger_v1.c:611 [inline] lr : read_partial_connect net/ceph/messenger_v1.c:665 [inline] lr : ceph_con_v1_try_read+0x128/0x1830 net/ceph/messenger_v1.c:1291 sp : ffff80000fa93c10 x29: ffff80000fa93cd0 x28: ffff0000c6412754 x27: 0000000000004060 x26: ffff80000b1a8247 x25: ffff80000affd070 x24: 0000000000000000 x23: ffff80000fa93c48 x22: 0000000000004040 x21: ffff80000b1a8247 x20: ffffffffffffffff x19: ffff0000c6412428 x18: 0000000000000c00 x17: ffff8001f33d9000 x16: ffff800008000000 x15: 0000000000010000 x14: 0000000040000000 x13: 0000000000000000 x12: ffff80000f74e000 x11: 0000000000000003 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffff800009d3e32c x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : ffff80000fa93b18 x1 : ffff0000c46d0bc0 x0 : 000000000000001a Call trace: process_connect net/ceph/messenger_v1.c:1311 [inline] ceph_con_v1_try_read+0xe14/0x1830 net/ceph/messenger_v1.c:1294 ceph_con_workfn+0xd8/0x5ac net/ceph/messenger.c:1506 process_one_work+0x20c/0x3c4 kernel/workqueue.c:2292 worker_thread+0x250/0x424 kernel/workqueue.c:2439 kthread+0xdc/0x100 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7 at net/ceph/messenger_v1.c:912 process_connect net/ceph/messenger_v1.c:1311 [inline] WARNING: CPU: 0 PID: 7 at net/ceph/messenger_v1.c:912 ceph_con_v1_try_read+0xe14/0x1830 net/ceph/messenger_v1.c:1294 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:0 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: ceph-msgr ceph_con_workfn pstate: 22400005 (nzCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : process_connect net/ceph/messenger_v1.c:1311 [inline] pc : ceph_con_v1_try_read+0xe14/0x1830 net/ceph/messenger_v1.c:1294 lr : ceph_tcp_recvmsg net/ceph/messenger_v1.c:34 [inline] lr : read_partial net/ceph/messenger_v1.c:611 [inline] lr : read_partial_connect net/ceph/messenger_v1.c:665 [inline] lr : ceph_con_v1_try_read+0x128/0x1830 net/ceph/messenger_v1.c:1291 sp : ffff80000fa93c10 x29: ffff80000fa93cd0 x28: ffff0000c6414754 x27: 0000000000004060 x26: ffff80000b1a8247 x25: ffff80000affd070 x24: 0000000000000000 x23: ffff80000fa93c48 x22: 0000000000004040 x21: ffff80000b1a8247 x20: ffffffffffffffff x19: ffff0000c6414428 x18: 0000000000000400 x17: ffff8001f33d9000 x16: ffff800008000000 x15: 0000000000010000 x14: 0000000040000000 x13: 0000000000000000 x12: ffff80000f74e000 x11: 0000000000000003 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffff800009d3e32c x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : ffff80000fa93b18 x1 : ffff0000c45b5e00 x0 : 000000000000001a Call trace: process_connect net/ceph/messenger_v1.c:1311 [inline] ceph_con_v1_try_read+0xe14/0x1830 net/ceph/messenger_v1.c:1294 ceph_con_workfn+0xd8/0x5ac net/ceph/messenger.c:1506 process_one_work+0x20c/0x3c4 kernel/workqueue.c:2292 worker_thread+0x250/0x424 kernel/workqueue.c:2439 kthread+0xdc/0x100 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 ---[ end trace 0000000000000000 ]---