Buildresult: linus/se7619_defconfig/sh4-gcc10 built on Dec 9 2020, 14:33

kisskb

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Status:	OK
Date/Time:	Dec 9 2020, 14:33
Duration:	0:00:39.772038
Builder:	ka1
Revision:	afs: Fix memory leak when mounting with multiple source parameters (`4cb682964706deffb4861f0a91329ab3a705039f)`
Target:	linus/se7619_defconfig/sh4-gcc10
Branch:	linus
Compiler:	sh4-gcc10 (sh4-linux-gcc (GCC) 10.1.0 / GNU ld (GNU Binutils) 2.34)
Config:	se7619_defconfig (download)
Log:	Download original Possible warnings (6) <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] include/linux/sh_intc.h:100:63: warning: division 'sizeof (void ) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div] include/linux/sh_intc.h:100:63: warning: division 'sizeof (void ) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div] include/linux/sh_intc.h:100:63: warning: division 'sizeof (void ) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div] include/linux/sh_intc.h:100:63: warning: division 'sizeof (void ) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div] drivers/tty/serial/sh-sci.c:2677:19: warning: unused variable 'sport' [-Wunused-variable] Full Log # git rev-parse -q --verify 4cb682964706deffb4861f0a91329ab3a705039f^{commit} 4cb682964706deffb4861f0a91329ab3a705039f already have revision, skipping fetch # git checkout -q -f -B kisskb 4cb682964706deffb4861f0a91329ab3a705039f # git clean -qxdf # < git log -1 # commit 4cb682964706deffb4861f0a91329ab3a705039f # Author: David Howells <dhowells@redhat.com> # Date: Tue Dec 8 23:52:03 2020 +0000 # # afs: Fix memory leak when mounting with multiple source parameters # # There's a memory leak in afs_parse_source() whereby multiple source= # parameters overwrite fc->source in the fs_context struct without freeing # the previously recorded source. # # Fix this by only permitting a single source parameter and rejecting with # an error all subsequent ones. # # This was caught by syzbot with the kernel memory leak detector, showing # something like the following trace: # # unreferenced object 0xffff888114375440 (size 32): # comm "repro", pid 5168, jiffies 4294923723 (age 569.948s) # backtrace: # slab_post_alloc_hook+0x42/0x79 # __kmalloc_track_caller+0x125/0x16a # kmemdup_nul+0x24/0x3c # vfs_parse_fs_string+0x5a/0xa1 # generic_parse_monolithic+0x9d/0xc5 # do_new_mount+0x10d/0x15a # do_mount+0x5f/0x8e # __do_sys_mount+0xff/0x127 # do_syscall_64+0x2d/0x3a # entry_SYSCALL_64_after_hwframe+0x44/0xa9 # # Fixes: 13fcc6837049 ("afs: Add fs_context support") # Reported-by: syzbot+86dc6632faaca40133ab@syzkaller.appspotmail.com # Signed-off-by: David Howells <dhowells@redhat.com> # cc: Randy Dunlap <rdunlap@infradead.org> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-10.1.0-nolibc/sh4-linux/bin/sh4-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-10.1.0-nolibc/sh4-linux/bin/sh4-linux-ld --version # < git log --format=%s --max-count=1 4cb682964706deffb4861f0a91329ab3a705039f # < make -s -j 8 ARCH=sh O=/kisskb/build/linus_se7619_defconfig_sh4-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/sh4-linux/bin/sh4-linux- se7619_defconfig # < make -s -j 8 ARCH=sh O=/kisskb/build/linus_se7619_defconfig_sh4-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/sh4-linux/bin/sh4-linux- help # make -s -j 8 ARCH=sh O=/kisskb/build/linus_se7619_defconfig_sh4-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/sh4-linux/bin/sh4-linux- olddefconfig # make -s -j 8 ARCH=sh O=/kisskb/build/linus_se7619_defconfig_sh4-gcc10 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-10.1.0-nolibc/sh4-linux/bin/sh4-linux- Generating include/generated/machtypes.h <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] In file included from /kisskb/src/arch/sh/include/asm/hw_irq.h:6, from /kisskb/src/include/linux/irq.h:589, from /kisskb/src/arch/sh/include/asm/hardirq.h:6, from /kisskb/src/include/linux/hardirq.h:10, from /kisskb/src/include/linux/interrupt.h:11, from /kisskb/src/include/linux/serial_core.h:13, from /kisskb/src/include/linux/serial_sci.h:6, from /kisskb/src/arch/sh/kernel/cpu/sh2/setup-sh7619.c:11: /kisskb/src/include/linux/sh_intc.h:100:63: warning: division 'sizeof (void ) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div] 100 \| #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(a) \| ^ /kisskb/src/include/linux/sh_intc.h:105:24: note: in expansion of macro '_INTC_ARRAY' 105 \| _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \ \| ^~~~~~~~~~~ /kisskb/src/include/linux/sh_intc.h:124:8: note: in expansion of macro 'INTC_HW_DESC' 124 \| .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ \| ^~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/cpu/sh2/setup-sh7619.c:58:8: note: in expansion of macro 'DECLARE_INTC_DESC' 58 \| static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL, \| ^~~~~~~~~~~~~~~~~ /kisskb/src/include/linux/sh_intc.h:100:63: warning: division 'sizeof (void ) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div] 100 \| #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(a) \| ^ /kisskb/src/include/linux/sh_intc.h:106:2: note: in expansion of macro '_INTC_ARRAY' 106 \| _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \ \| ^~~~~~~~~~~ /kisskb/src/include/linux/sh_intc.h:124:8: note: in expansion of macro 'INTC_HW_DESC' 124 \| .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ \| ^~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/cpu/sh2/setup-sh7619.c:58:8: note: in expansion of macro 'DECLARE_INTC_DESC' 58 \| static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL, \| ^~~~~~~~~~~~~~~~~ /kisskb/src/include/linux/sh_intc.h:100:63: warning: division 'sizeof (void ) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div] 100 \| #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(a) \| ^ /kisskb/src/include/linux/sh_intc.h:107:2: note: in expansion of macro '_INTC_ARRAY' 107 \| _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \ \| ^~~~~~~~~~~ /kisskb/src/include/linux/sh_intc.h:124:8: note: in expansion of macro 'INTC_HW_DESC' 124 \| .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ \| ^~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/cpu/sh2/setup-sh7619.c:58:8: note: in expansion of macro 'DECLARE_INTC_DESC' 58 \| static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL, \| ^~~~~~~~~~~~~~~~~ /kisskb/src/include/linux/sh_intc.h:100:63: warning: division 'sizeof (void ) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div] 100 \| #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(a) \| ^ /kisskb/src/include/linux/sh_intc.h:107:27: note: in expansion of macro '_INTC_ARRAY' 107 \| _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \ \| ^~~~~~~~~~~ /kisskb/src/include/linux/sh_intc.h:124:8: note: in expansion of macro 'INTC_HW_DESC' 124 \| .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ \| ^~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/cpu/sh2/setup-sh7619.c:58:8: note: in expansion of macro 'DECLARE_INTC_DESC' 58 \| static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL, \| ^~~~~~~~~~~~~~~~~ /kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_remap_port': /kisskb/src/drivers/tty/serial/sh-sci.c:2677:19: warning: unused variable 'sport' [-Wunused-variable] 2677 \| struct sci_port *sport = to_sci_port(port); \| ^~~~~ Completed OK # rm -rf /kisskb/build/linus_se7619_defconfig_sh4-gcc10 # Build took: 0:00:39.772038

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