Minchan Kim d14850835c ANDROID: mm: page_pinner: use put_user_page at seq_print_vma_name ... seq_print_vma_name uses get_user_pages_remote so it should use put_user_page to close false positive of page_pinner. Page pinned via pid 930, ts 38241618218 ns PFN 10351665 Block 10109 type CMA Flags 0x8000000000080034(uptodate|lru|active|swapbacked) __set_page_pinner+0x34/0xb4 try_grab_page+0x18c/0x1a0 follow_page_pte+0x2b4/0x4a8 follow_pmd_mask+0x180/0x4a4 __get_user_pages+0x1a0/0x434 __get_user_pages_remote+0xa4/0x28c get_user_pages_remote+0x20/0x48 seq_print_vma_name+0xa4/0x1f4 show_smap+0x114/0x25c seq_read_iter+0x2e8/0x3e8 seq_read+0xec/0x124 vfs_read+0xe0/0x2dc ksys_read+0x7c/0xec __arm64_sys_read+0x20/0x30 el0_svc_common+0xa4/0x180 do_el0_svc+0x28/0x88 Bug: 183414571 Signed-off-by: Minchan Kim <minchan@kernel.org> Signed-off-by: Minchan Kim <minchan@google.com> Change-Id: Ib81ccbc486877aab5e561ef516cedcbb172736f1		2021-04-30 09:13:35 -07:00
..
array.c	seccomp: Report number of loaded filters in /proc/$pid/status	2020-07-10 16:01:51 -07:00
base.c	FROMLIST: procfs: Allow reading fdinfo with PTRACE_MODE_READ	2021-02-10 14:13:43 +00:00
bootconfig.c	proc/bootconfig: Fix to use correct quotes for value	2020-06-16 21:21:03 -04:00
cmdline.c
consoles.c
cpuinfo.c	proc/cpuinfo: switch to ->read_iter	2020-11-06 10:05:18 -08:00
devices.c	block: move block-related definitions out of fs.h	2020-06-24 09:16:02 -06:00
fd.c	FROMLIST: BACKPORT: procfs/dmabuf: Add inode number to /proc/*/fdinfo	2021-02-10 14:13:53 +00:00
fd.h
generic.c	proc: fix lookup in /proc/net subdirectories after setns(2)	2020-12-30 11:53:56 +01:00
inode.c	proc: wire up generic_file_splice_read for iter ops	2020-11-06 10:05:18 -08:00
internal.h	proc: fix lookup in /proc/net subdirectories after setns(2)	2020-12-30 11:53:56 +01:00
interrupts.c
Kconfig	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
kcore.c	maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault	2020-06-17 10:57:41 -07:00
kmsg.c	proc: faster open/read/close with "permanent" files	2020-04-07 10:43:42 -07:00
loadavg.c
Makefile	Revert "ANDROID: proc: Add /proc/uid directory"	2020-03-06 12:32:34 -08:00
meminfo.c	ANDROID: vendor_hooks: Add hooks for memory when debug	2021-03-19 04:54:07 +00:00
namespaces.c
nommu.c	mm: don't include asm/pgtable.h if linux/mm.h is already included	2020-06-09 09:39:13 -07:00
page.c	mm: Add PG_arch_2 page flag	2020-09-04 12:46:06 +01:00
proc_net.c	proc: fix lookup in /proc/net subdirectories after setns(2)	2020-12-30 11:53:56 +01:00
proc_sysctl.c	proc: use kvzalloc for our kernel buffer	2021-03-04 11:38:21 +01:00
proc_tty.c
root.c	Revert "ANDROID: make sure proc mount options are applied"	2020-06-23 09:36:15 +02:00
self.c	proc: don't allow async path resolution of /proc/thread-self components	2021-03-04 11:38:42 +01:00
softirqs.c
stat.c	proc/stat: switch to ->read_iter	2020-11-06 10:05:18 -08:00
task_mmu.c	ANDROID: mm: page_pinner: use put_user_page at seq_print_vma_name	2021-04-30 09:13:35 -07:00
task_nommu.c	mmap locking API: use coccinelle to convert mmap_sem rwsem call sites	2020-06-09 09:39:14 -07:00
thread_self.c	proc: don't allow async path resolution of /proc/thread-self components	2021-03-04 11:38:42 +01:00
uptime.c
util.c
version.c
vmcore.c	mm: don't include asm/pgtable.h if linux/mm.h is already included	2020-06-09 09:39:13 -07:00