Buildresult: linus/mips-allmodconfig/mipsel-gcc5 built on Sep 6 2019, 12:37

kisskb

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Status:	OK
Date/Time:	Sep 6 2019, 12:37
Duration:	0:28:00.171382
Builder:	ka2
Revision:	keys: Fix missing null pointer check in request_key_auth_describe() (`d41a3effbb53b1bcea41e328d16a4d046a508381)`
Target:	linus/mips-allmodconfig/mipsel-gcc5
Branch:	linus
Compiler:	mipsel-gcc5 (mipsel-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0 / GNU ld (GNU Binutils) 2.26.1)
Config:	allmodconfig (download)
Log:	Download original Possible warnings (13) <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] #warning Precise timer not defined for this architecture. arch/mips/include/asm/page.h:249:53: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/net/ethernet/mellanox/mlx5/core/en_stats.c:294:1: warning: the frame size of 1368 bytes is larger than 1024 bytes [-Wframe-larger-than=] drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c:127:1: warning: the frame size of 1288 bytes is larger than 1024 bytes [-Wframe-larger-than=] drivers/soundwire/slave.c:16:12: warning: 'sdw_slave_add' defined but not used [-Wunused-function] drivers/spi/spi-sh-msiof.c:76:0: warning: "STR" redefined include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] arch/mips/include/asm/sibyte/bcm1480_scd.h:261:0: warning: "M_SPC_CFG_CLEAR" redefined arch/mips/include/asm/sibyte/bcm1480_scd.h:262:0: warning: "M_SPC_CFG_ENABLE" redefined Full Log # git rev-parse -q --verify d41a3effbb53b1bcea41e328d16a4d046a508381^{commit} d41a3effbb53b1bcea41e328d16a4d046a508381 already have revision, skipping fetch # git checkout -q -f -B kisskb d41a3effbb53b1bcea41e328d16a4d046a508381 # git clean -qxdf # < git log -1 # commit d41a3effbb53b1bcea41e328d16a4d046a508381 # Author: Hillf Danton <hdanton@sina.com> # Date: Mon Sep 2 13:37:29 2019 +0100 # # keys: Fix missing null pointer check in request_key_auth_describe() # # If a request_key authentication token key gets revoked, there's a window in # which request_key_auth_describe() can see it with a NULL payload - but it # makes no check for this and something like the following oops may occur: # # BUG: Kernel NULL pointer dereference at 0x00000038 # Faulting instruction address: 0xc0000000004ddf30 # Oops: Kernel access of bad area, sig: 11 [#1] # ... # NIP [...] request_key_auth_describe+0x90/0xd0 # LR [...] request_key_auth_describe+0x54/0xd0 # Call Trace: # [...] request_key_auth_describe+0x54/0xd0 (unreliable) # [...] proc_keys_show+0x308/0x4c0 # [...] seq_read+0x3d0/0x540 # [...] proc_reg_read+0x90/0x110 # [...] __vfs_read+0x3c/0x70 # [...] vfs_read+0xb4/0x1b0 # [...] ksys_read+0x7c/0x130 # [...] system_call+0x5c/0x70 # # Fix this by checking for a NULL pointer when describing such a key. # # Also make the read routine check for a NULL pointer to be on the safe side. # # [DH: Modified to not take already-held rcu lock and modified to also check # in the read routine] # # Fixes: 04c567d9313e ("[PATCH] Keys: Fix race between two instantiators of a key") # Reported-by: Sachin Sant <sachinp@linux.vnet.ibm.com> # Signed-off-by: Hillf Danton <hdanton@sina.com> # Signed-off-by: David Howells <dhowells@redhat.com> # Tested-by: Sachin Sant <sachinp@linux.vnet.ibm.com> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-gcc --version # < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-ld --version # < git log --format=%s --max-count=1 d41a3effbb53b1bcea41e328d16a4d046a508381 # < make -s -j 8 ARCH=mips O=/kisskb/build/linus_mips-allmodconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # Added to kconfig CONFIG_MIPS_CPS_NS16550_BASE=0x1b0003f8 # Added to kconfig CONFIG_MIPS_CPS_NS16550_SHIFT=0 # Added to kconfig # yes \n \| make -s -j 8 ARCH=mips O=/kisskb/build/linus_mips-allmodconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- oldconfig yes: standard output: Broken pipe # make -s -j 8 ARCH=mips O=/kisskb/build/linus_mips-allmodconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] pd->msg->buf[real_pos] = data; ^ /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here unsigned char data; ^ /kisskb/src/drivers/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] #warning Precise timer not defined for this architecture. ^ In file included from /kisskb/src/arch/mips/include/asm/page.h:261:0, from /kisskb/src/arch/mips/include/asm/io.h:29, from /kisskb/src/arch/mips/include/asm/mmiowb.h:5, from /kisskb/src/include/linux/spinlock.h:60, from /kisskb/src/include/linux/wait.h:9, from /kisskb/src/include/linux/net.h:19, from /kisskb/src/drivers/infiniband/sw/siw/siw_qp_tx.c:8: /kisskb/src/drivers/infiniband/sw/siw/siw_qp_tx.c: In function 'siw_tx_hdt': /kisskb/src/arch/mips/include/asm/page.h:249:53: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] #define virt_to_pfn(kaddr) PFN_DOWN(virt_to_phys((void )(kaddr))) ^ /kisskb/src/include/asm-generic/memory_model.h:33:41: note: in definition of macro '__pfn_to_page' #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) ^ /kisskb/src/arch/mips/include/asm/page.h:249:31: note: in expansion of macro 'PFN_DOWN' #define virt_to_pfn(kaddr) PFN_DOWN(virt_to_phys((void )(kaddr))) ^ /kisskb/src/arch/mips/include/asm/page.h:250:41: note: in expansion of macro 'virt_to_pfn' #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) ^ /kisskb/src/drivers/infiniband/sw/siw/siw_qp_tx.c:529:23: note: in expansion of macro 'virt_to_page' page_array[seg] = virt_to_page(va & PAGE_MASK); ^ In file included from /kisskb/src/include/linux/wait.h:9:0, from /kisskb/src/include/linux/net.h:19, from /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c:8: /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c: In function 'siw_proc_send': /kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] _raw_spin_unlock_irqrestore(lock, flags); \ ^ /kisskb/src/drivers/infiniband/sw/siw/siw_qp_rx.c:335:16: note: 'flags' was declared here unsigned long flags; ^ /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c: In function 'mlx5e_grp_sw_update_stats': /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c:294:1: warning: the frame size of 1368 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c: In function 'mlx5e_open_xsk': /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c:127:1: warning: the frame size of 1288 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/soundwire/slave.c:16:12: warning: 'sdw_slave_add' defined but not used [-Wunused-function] static int sdw_slave_add(struct sdw_bus bus, ^ /kisskb/src/drivers/spi/spi-sh-msiof.c:76:0: warning: "STR" redefined #define STR 0x40 / Status Register */ ^ In file included from /kisskb/src/arch/mips/include/asm/mach-generic/spaces.h:15:0, from /kisskb/src/arch/mips/include/asm/addrspace.h:13, from /kisskb/src/arch/mips/include/asm/barrier.h:11, from /kisskb/src/include/linux/compiler.h:256, from /kisskb/src/arch/mips/include/asm/bitops.h:16, from /kisskb/src/include/linux/bitops.h:19, from /kisskb/src/include/linux/bitmap.h:8, from /kisskb/src/drivers/spi/spi-sh-msiof.c:10: /kisskb/src/arch/mips/include/asm/mipsregs.h:30:0: note: this is the location of the previous definition #define STR(x) __STR(x) ^ In file included from /kisskb/src/include/linux/rwsem.h:16:0, from /kisskb/src/include/linux/notifier.h:15, from /kisskb/src/include/linux/clk.h:14, from /kisskb/src/drivers/tty/serial/sh-sci.c:24: /kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit': /kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] _raw_spin_unlock_irqrestore(lock, flags); \ ^ /kisskb/src/drivers/tty/serial/sh-sci.c:1353:16: note: 'flags' was declared here unsigned long flags; ^ In file included from /kisskb/src/arch/mips/include/asm/sibyte/sb1250.h:28:0, from /kisskb/src/drivers/watchdog/sb_wdog.c:58: /kisskb/src/arch/mips/include/asm/sibyte/bcm1480_scd.h:261:0: warning: "M_SPC_CFG_CLEAR" redefined #define M_SPC_CFG_CLEAR M_BCM1480_SPC_CFG_CLEAR ^ In file included from /kisskb/src/arch/mips/include/asm/sibyte/sb1250.h:27:0, from /kisskb/src/drivers/watchdog/sb_wdog.c:58: /kisskb/src/arch/mips/include/asm/sibyte/sb1250_scd.h:392:0: note: this is the location of the previous definition #define M_SPC_CFG_CLEAR _SB_MAKEMASK1(32) ^ In file included from /kisskb/src/arch/mips/include/asm/sibyte/sb1250.h:28:0, from /kisskb/src/drivers/watchdog/sb_wdog.c:58: /kisskb/src/arch/mips/include/asm/sibyte/bcm1480_scd.h:262:0: warning: "M_SPC_CFG_ENABLE" redefined #define M_SPC_CFG_ENABLE M_BCM1480_SPC_CFG_ENABLE ^ In file included from /kisskb/src/arch/mips/include/asm/sibyte/sb1250.h:27:0, from /kisskb/src/drivers/watchdog/sb_wdog.c:58: /kisskb/src/arch/mips/include/asm/sibyte/sb1250_scd.h:393:0: note: this is the location of the previous definition #define M_SPC_CFG_ENABLE _SB_MAKEMASK1(33) ^ FIT description: Linux 5.3.0-rc7+ Created: Fri Sep 6 13:00:51 2019 Image 0 (kernel@0) Description: Linux 5.3.0-rc7+ Created: Fri Sep 6 13:00:51 2019 Type: Kernel Image Compression: gzip compressed Data Size: 7085079 Bytes = 6919.02 KiB = 6.76 MiB Architecture: MIPS OS: Linux Load Address: 0x84000000 Entry Point: 0x84a36618 Hash algo: sha1 Hash value: ece5cb0b5a4b326f29ea2761a2f6e66f770cb55c Image 1 (fdt@boston) Description: img,boston Device Tree Created: Fri Sep 6 13:00:51 2019 Type: Flat Device Tree Compression: uncompressed Data Size: 3793 Bytes = 3.70 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 4799f50d688573234da6e9d7701234d394759ef4 Image 2 (fdt@ni169445) Description: NI 169445 device tree Created: Fri Sep 6 13:00:51 2019 Type: Flat Device Tree Compression: uncompressed Data Size: 1871 Bytes = 1.83 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 51b89b31605ee62038c8468c429af091dfc75ec7 Image 3 (fdt@ocelot_pcb123) Description: MSCC Ocelot PCB123 Device Tree Created: Fri Sep 6 13:00:51 2019 Type: Flat Device Tree Compression: uncompressed Data Size: 4615 Bytes = 4.51 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 8754eadee600cac22c9c34884cd901aac7e95e8a Image 4 (fdt@ocelot_pcb120) Description: MSCC Ocelot PCB120 Device Tree Created: Fri Sep 6 13:00:51 2019 Type: Flat Device Tree Compression: uncompressed Data Size: 5174 Bytes = 5.05 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 1ab7d0871c0a9345c6269fb491bf028224da8256 Image 5 (fdt@xilfpga) Description: MIPSfpga (xilfpga) Device Tree Created: Fri Sep 6 13:00:51 2019 Type: Flat Device Tree Compression: uncompressed Data Size: 2708 Bytes = 2.64 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 63d058b780f65e22da30f0a183433765f1807f1d Default Configuration: 'conf@default' Configuration 0 (conf@default) Description: Generic Linux kernel Kernel: kernel@0 Configuration 1 (conf@boston) Description: Boston Linux kernel Kernel: kernel@0 FDT: fdt@boston Configuration 2 (conf@ni169445) Description: NI 169445 Linux Kernel Kernel: kernel@0 FDT: fdt@ni169445 Configuration 3 (conf@ocelot_pcb123) Description: Ocelot Linux kernel Kernel: kernel@0 FDT: fdt@ocelot_pcb123 Configuration 4 (conf@ocelot_pcb120) Description: Ocelot Linux kernel Kernel: kernel@0 FDT: fdt@ocelot_pcb120 Configuration 5 (conf@xilfpga) Description: MIPSfpga Linux kernel Kernel: kernel@0 FDT: fdt@xilfpga Completed OK # rm -rf /kisskb/build/linus_mips-allmodconfig_mipsel # Build took: 0:28:00.171382

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