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2019-05-07Merge branch 'work.icache' of ↵Linus Torvalds62-427/+180
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs inode freeing updates from Al Viro: "Introduction of separate method for RCU-delayed part of ->destroy_inode() (if any). Pretty much as posted, except that destroy_inode() stashes ->free_inode into the victim (anon-unioned with ->i_fops) before scheduling i_callback() and the last two patches (sockfs conversion and folding struct socket_wq into struct socket) are excluded - that pair should go through netdev once davem reopens his tree" * 'work.icache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (58 commits) orangefs: make use of ->free_inode() shmem: make use of ->free_inode() hugetlb: make use of ->free_inode() overlayfs: make use of ->free_inode() jfs: switch to ->free_inode() fuse: switch to ->free_inode() ext4: make use of ->free_inode() ecryptfs: make use of ->free_inode() ceph: use ->free_inode() btrfs: use ->free_inode() afs: switch to use of ->free_inode() dax: make use of ->free_inode() ntfs: switch to ->free_inode() securityfs: switch to ->free_inode() apparmor: switch to ->free_inode() rpcpipe: switch to ->free_inode() bpf: switch to ->free_inode() mqueue: switch to ->free_inode() ufs: switch to ->free_inode() coda: switch to ->free_inode() ...
2019-05-07Merge tag 'printk-for-5.2' of ↵Linus Torvalds3-4/+4
git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk Pull printk updates from Petr Mladek: - Allow state reset of printk_once() calls. - Prevent crashes when dereferencing invalid pointers in vsprintf(). Only the first byte is checked for simplicity. - Make vsprintf warnings consistent and inlined. - Treewide conversion of obsolete %pf, %pF to %ps, %pF printf modifiers. - Some clean up of vsprintf and test_printf code. * tag 'printk-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk: lib/vsprintf: Make function pointer_string static vsprintf: Limit the length of inlined error messages vsprintf: Avoid confusion between invalid address and value vsprintf: Prevent crash when dereferencing invalid pointers vsprintf: Consolidate handling of unknown pointer specifiers vsprintf: Factor out %pO handler as kobject_string() vsprintf: Factor out %pV handler as va_format() vsprintf: Factor out %p[iI] handler as ip_addr_string() vsprintf: Do not check address of well-known strings vsprintf: Consistent %pK handling for kptr_restrict == 0 vsprintf: Shuffle restricted_pointer() printk: Tie printk_once / printk_deferred_once into .data.once for reset treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively lib/test_printf: Switch to bitmap_zalloc()
2019-05-07Merge branch 'linus' of ↵Linus Torvalds9-15/+0
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto update from Herbert Xu: "API: - Add support for AEAD in simd - Add fuzz testing to testmgr - Add panic_on_fail module parameter to testmgr - Use per-CPU struct instead multiple variables in scompress - Change verify API for akcipher Algorithms: - Convert x86 AEAD algorithms over to simd - Forbid 2-key 3DES in FIPS mode - Add EC-RDSA (GOST 34.10) algorithm Drivers: - Set output IV with ctr-aes in crypto4xx - Set output IV in rockchip - Fix potential length overflow with hashing in sun4i-ss - Fix computation error with ctr in vmx - Add SM4 protected keys support in ccree - Remove long-broken mxc-scc driver - Add rfc4106(gcm(aes)) cipher support in cavium/nitrox" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (179 commits) crypto: ccree - use a proper le32 type for le32 val crypto: ccree - remove set but not used variable 'du_size' crypto: ccree - Make cc_sec_disable static crypto: ccree - fix spelling mistake "protedcted" -> "protected" crypto: caam/qi2 - generate hash keys in-place crypto: caam/qi2 - fix DMA mapping of stack memory crypto: caam/qi2 - fix zero-length buffer DMA mapping crypto: stm32/cryp - update to return iv_out crypto: stm32/cryp - remove request mutex protection crypto: stm32/cryp - add weak key check for DES crypto: atmel - remove set but not used variable 'alg_name' crypto: picoxcell - Use dev_get_drvdata() crypto: crypto4xx - get rid of redundant using_sd variable crypto: crypto4xx - use sync skcipher for fallback crypto: crypto4xx - fix cfb and ofb "overran dst buffer" issues crypto: crypto4xx - fix ctr-aes missing output IV crypto: ecrdsa - select ASN1 and OID_REGISTRY for EC-RDSA crypto: ux500 - use ccflags-y instead of CFLAGS_<basename>.o crypto: ccree - handle tee fips error during power management resume crypto: ccree - add function to handle cryptocell tee fips error ...
2019-05-06Merge branch 'core-stacktrace-for-linus' of ↵Linus Torvalds2-24/+8
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull stack trace updates from Ingo Molnar: "So Thomas looked at the stacktrace code recently and noticed a few weirdnesses, and we all know how such stories of crummy kernel code meeting German engineering perfection end: a 45-patch series to clean it all up! :-) Here's the changes in Thomas's words: 'Struct stack_trace is a sinkhole for input and output parameters which is largely pointless for most usage sites. In fact if embedded into other data structures it creates indirections and extra storage overhead for no benefit. Looking at all usage sites makes it clear that they just require an interface which is based on a storage array. That array is either on stack, global or embedded into some other data structure. Some of the stack depot usage sites are outright wrong, but fortunately the wrongness just causes more stack being used for nothing and does not have functional impact. Another oddity is the inconsistent termination of the stack trace with ULONG_MAX. It's pointless as the number of entries is what determines the length of the stored trace. In fact quite some call sites remove the ULONG_MAX marker afterwards with or without nasty comments about it. Not all architectures do that and those which do, do it inconsistenly either conditional on nr_entries == 0 or unconditionally. The following series cleans that up by: 1) Removing the ULONG_MAX termination in the architecture code 2) Removing the ULONG_MAX fixups at the call sites 3) Providing plain storage array based interfaces for stacktrace and stackdepot. 4) Cleaning up the mess at the callsites including some related cleanups. 5) Removing the struct stack_trace based interfaces This is not changing the struct stack_trace interfaces at the architecture level, but it removes the exposure to the generic code'" * 'core-stacktrace-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (45 commits) x86/stacktrace: Use common infrastructure stacktrace: Provide common infrastructure lib/stackdepot: Remove obsolete functions stacktrace: Remove obsolete functions livepatch: Simplify stack trace retrieval tracing: Remove the last struct stack_trace usage tracing: Simplify stack trace retrieval tracing: Make ftrace_trace_userstack() static and conditional tracing: Use percpu stack trace buffer more intelligently tracing: Simplify stacktrace retrieval in histograms lockdep: Simplify stack trace handling lockdep: Remove save argument from check_prev_add() lockdep: Remove unused trace argument from print_circular_bug() drm: Simplify stacktrace handling dm persistent data: Simplify stack trace handling dm bufio: Simplify stack trace retrieval btrfs: ref-verify: Simplify stack trace retrieval dma/debug: Simplify stracktrace retrieval fault-inject: Simplify stacktrace retrieval mm/page_owner: Simplify stack trace handling ...
2019-05-05Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds3-8/+8
Pull vfs fixes from Al Viro: - a couple of ->i_link use-after-free fixes - regression fix for wrong errno on absent device name in mount(2) (this cycle stuff) - ancient UFS braino in large GID handling on Solaris UFS images (bogus cut'n'paste from large UID handling; wrong field checked to decide whether we should look at old (16bit) or new (32bit) field) * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour Abort file_remove_privs() for non-reg. files [fix] get rid of checking for absent device name in vfs_get_tree() apparmorfs: fix use-after-free on symlink traversal securityfs: fix use-after-free on symlink traversal
2019-05-02Merge tag 'for-linus-20190502' of git://git.kernel.dk/linux-blockLinus Torvalds2-92/+160
Pull io_uring fixes from Jens Axboe: "This is mostly io_uring fixes/tweaks. Most of these were actually done in time for the last -rc, but I wanted to ensure that everything tested out great before including them. The code delta looks larger than it really is, as it's mostly just comment additions/changes. Outside of the comment additions/changes, this is mostly removal of unnecessary barriers. In all, this pull request contains: - Tweak to how we handle errors at submission time. We now post a completion event if the error occurs on behalf of an sqe, instead of returning it through the system call. If the error happens outside of a specific sqe, we return the error through the system call. This makes it nicer to use and makes the "normal" use case behave the same as the offload cases. (me) - Fix for a missing req reference drop from async context (me) - If an sqe is submitted with RWF_NOWAIT, don't punt it to async context. Return -EAGAIN directly, instead of using it as a hint to do async punt. (Stefan) - Fix notes on barriers (Stefan) - Remove unnecessary barriers (Stefan) - Fix potential double free of memory in setup error (Mark) - Further improve sq poll CPU validation (Mark) - Fix page allocation warning and leak on buffer registration error (Mark) - Fix iov_iter_type() for new no-ref flag (Ming) - Fix a case where dio doesn't honor bio no-page-ref (Ming)" * tag 'for-linus-20190502' of git://git.kernel.dk/linux-block: io_uring: avoid page allocation warnings iov_iter: fix iov_iter_type block: fix handling for BIO_NO_PAGE_REF io_uring: drop req submit reference always in async punt io_uring: free allocated io_memory once io_uring: fix SQPOLL cpu validation io_uring: have submission side sqe errors post a cqe io_uring: remove unnecessary barrier after unsetting IORING_SQ_NEED_WAKEUP io_uring: remove unnecessary barrier after incrementing dropped counter io_uring: remove unnecessary barrier before reading SQ tail io_uring: remove unnecessary barrier after updating SQ head io_uring: remove unnecessary barrier before reading cq head io_uring: remove unnecessary barrier before wq_has_sleeper io_uring: fix notes on barriers io_uring: fix handling SQEs requesting NOWAIT
2019-05-02ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavourAl Viro1-1/+1
To choose whether to pick the GID from the old (16bit) or new (32bit) field, we should check if the old gid field is set to 0xffff. Mainline checks the old *UID* field instead - cut'n'paste from the corresponding code in ufs_get_inode_uid(). Fixes: 252e211e90ce Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02orangefs: make use of ->free_inode()Al Viro1-6/+3
Acked-by: Mike Marshall <hubcap@omnibond.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02hugetlb: make use of ->free_inode()Al Viro1-3/+2
moving synchronous parts of ->destroy_inode() to ->evict_inode() is not possible here - they are balancing the stuff done in ->alloc_inode(), not the things acquired while using it or sanity checks. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02overlayfs: make use of ->free_inode()Al Viro1-7/+6
synchronous parts are left in ->destroy_inode() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02jfs: switch to ->free_inode()Al Viro2-21/+16
synchronous part can be moved to ->evict_inode(), the rest - ->free_inode() fodder Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02fuse: switch to ->free_inode()Al Viro1-14/+10
fuse_destroy_inode() is gone - sanity checks that need the stack trace of the caller get moved into ->evict_inode(), the rest joins the RCU-delayed part which becomes ->free_inode(). While we are at it, don't just pass the address of what happens to be the first member of structure to kmem_cache_free() - get_fuse_inode() is there for purpose and it gives the proper container_of() use. No behaviour change, but verifying correctness is easier that way. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02ext4: make use of ->free_inode()Al Viro1-3/+2
the rest of this ->destroy_inode() instance could probably be folded into ext4_evict_inode() Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02ecryptfs: make use of ->free_inode()Al Viro1-3/+2
no idea if crypto destruction could be moved there as well Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02ceph: use ->free_inode()Al Viro3-4/+3
a lot of non-delayed work in this case; all of that is left in ->destroy_inode() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02btrfs: use ->free_inode()Al Viro3-5/+4
a lot of stuff remains in ->destroy_inode() Acked-by: David Sterba <dsterba@suse.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02afs: switch to use of ->free_inode()Al Viro1-5/+4
debugging printks left in ->destroy_inode() and so's the update of inode count; we could take the latter to RCU-delayed part (would take only moving the check on module exit past rcu_barrier() there), but debugging output ought to either stay where it is or go into ->evict_inode() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02ntfs: switch to ->free_inode()Al Viro3-15/+6
move the synchronous stuff from ->destroy_inode() to ->evict_inode(), turn the RCU-delayed part into ->free_inode() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02ufs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02coda: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02sysv: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02udf: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02ubifs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02squashfs: switch to ->free_inode()Al Viro1-9/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02romfs: convert to ->free_inode()Al Viro1-9/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02reiserfs: convert to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02qnx6: switch to ->free_inode()Al Viro1-9/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02qnx4: switch to ->free_inode()Al Viro1-9/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02procfs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02openpromfs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02ocfs2: switch to ->free_inode()Al Viro1-9/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02dlmfs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02nilfs2: switch to ->free_inode()Al Viro2-11/+2
kill an extern that went stale 9 years ago, while we are at it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02nfs{,4}: switch to ->free_inode()Al Viro4-11/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02minix: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02jffs2: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02isofs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02hpfs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02hostfs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02hfsplus: switch to ->free_inode()Al Viro1-10/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02hfs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02gfs2: switch to ->free_inode()Al Viro1-9/+3
... and use GFS2_I() to get the containing gfs2_inode by inode; yes, we can feed the address of the first member of structure to kmem_cache_free(), but let's do it in an obviously safe way. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02freevxfs: switch to ->free_inode()Al Viro1-9/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02fat: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02f2fs: switch to ->free_inode()Al Viro1-8/+2
Acked-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02ext2: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02efs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02debugfs: switch to ->free_inode()Al Viro1-8/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02cifs: switch to ->free_inode()Al Viro1-9/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-02bdev: switch to ->free_inode()Al Viro1-11/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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