android_kernel_motorola_sm6375

A-Team_Digital_Solutions/android_kernel_motorola_sm6375

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Filename	Latest commit message	Latest commit date
Jaegeuk Kim 8a29c1260e f2fs: sanity check for total valid node blocks This patch enhances sanity check for SIT entries. syzbot hit the following crash on upstream commit `83beed7b2b` (Fri Apr 20 17:56:32 2018 +0000) Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal syzbot dashboard link: https://syzkaller.appspot.com/bug?extid=bf9253040425feb155ad syzkaller reproducer: https://syzkaller.appspot.com/x/repro.syz?id=5692130282438656 Raw console output: https://syzkaller.appspot.com/x/log.txt?id=5095924598571008 Kernel config: https://syzkaller.appspot.com/x/.config?id=1808800213120130118 compiler: gcc (GCC) 8.0.1 20180413 (experimental) IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+bf9253040425feb155ad@syzkaller.appspotmail.com It will help syzbot understand when the bug is fixed. See footer for details. If you forward the report, please keep this part and the footer. F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 F2FS-fs (loop0): Mounted with checkpoint version = d F2FS-fs (loop0): Bitmap was wrongly cleared, blk:9740 ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:1884! invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 4508 Comm: syz-executor0 Not tainted 4.17.0-rc1+ #10 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:update_sit_entry+0x1215/0x1590 fs/f2fs/segment.c:1882 RSP: 0018:ffff8801af526708 EFLAGS: 00010282 RAX: ffffed0035ea4cc0 RBX: ffff8801ad454f90 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff82eeb87e RDI: ffffed0035ea4cb6 RBP: ffff8801af526760 R08: ffff8801ad4a2480 R09: ffffed003b5e4f90 R10: ffffed003b5e4f90 R11: ffff8801daf27c87 R12: ffff8801adb8d380 R13: 0000000000000001 R14: 0000000000000008 R15: 00000000ffffffff FS: 00000000014af940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f06bc223000 CR3: 00000001adb02000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: allocate_data_block+0x66f/0x2050 fs/f2fs/segment.c:2663 do_write_page+0x105/0x1b0 fs/f2fs/segment.c:2727 write_node_page+0x129/0x350 fs/f2fs/segment.c:2770 __write_node_page+0x7da/0x1370 fs/f2fs/node.c:1398 sync_node_pages+0x18cf/0x1eb0 fs/f2fs/node.c:1652 block_operations+0x429/0xa60 fs/f2fs/checkpoint.c:1088 write_checkpoint+0x3ba/0x5380 fs/f2fs/checkpoint.c:1405 f2fs_sync_fs+0x2fb/0x6a0 fs/f2fs/super.c:1077 __sync_filesystem fs/sync.c:39 [inline] sync_filesystem+0x265/0x310 fs/sync.c:67 generic_shutdown_super+0xd7/0x520 fs/super.c:429 kill_block_super+0xa4/0x100 fs/super.c:1191 kill_f2fs_super+0x9f/0xd0 fs/f2fs/super.c:3030 deactivate_locked_super+0x97/0x100 fs/super.c:316 deactivate_super+0x188/0x1b0 fs/super.c:347 cleanup_mnt+0xbf/0x160 fs/namespace.c:1174 __cleanup_mnt+0x16/0x20 fs/namespace.c:1181 task_work_run+0x1e4/0x290 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x2bd/0x310 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ac/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457d97 RSP: 002b:00007ffd46f9c8e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000457d97 RDX: 00000000014b09a3 RSI: 0000000000000002 RDI: 00007ffd46f9da50 RBP: 00007ffd46f9da50 R08: 0000000000000000 R09: 0000000000000009 R10: 0000000000000005 R11: 0000000000000246 R12: 00000000014b0940 R13: 0000000000000000 R14: 0000000000000002 R15: 000000000000658e RIP: update_sit_entry+0x1215/0x1590 fs/f2fs/segment.c:1882 RSP: ffff8801af526708 ---[ end trace f498328bb02610a2 ]--- Reported-and-tested-by: syzbot+bf9253040425feb155ad@syzkaller.appspotmail.com Reported-and-tested-by: syzbot+7d6d31d3bc702f566ce3@syzkaller.appspotmail.com Reported-and-tested-by: syzbot+0a725420475916460f12@syzkaller.appspotmail.com Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>		2018-05-31 11:31:48 -07:00
arch	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel	2018-05-01 19:54:22 -07:00
block
certs
crypto
Documentation	f2fs: fix features filename in sysfs documentation	2018-05-31 11:31:47 -07:00
drivers	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc	2018-04-30 13:27:16 -07:00
firmware
fs	f2fs: sanity check for total valid node blocks	2018-05-31 11:31:48 -07:00
include	fscrypt: allow synchronous bio decryption	2018-05-02 14:30:57 -07:00
init
ipc
kernel	Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2018-04-29 09:03:25 -07:00
lib	errseq infrastructure fix for v4.17	2018-04-30 16:53:40 -07:00
LICENSES
mm
net	A CephFS quota follow-up and fixes for two older issues in the	2018-04-27 10:56:29 -07:00
samples
scripts
security
sound
tools	Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2018-04-29 09:36:22 -07:00
usr
virt	KVM fixes for v4.17-rc3	2018-04-27 16:13:31 -07:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS	MAINTAINERS: add myself as maintainer of AFFS	2018-04-28 10:30:47 -07:00
Makefile	Linux v4.17-rc3	2018-04-29 14:17:42 -07:00
README

README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.