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Shay Drory 791daf8240 RDMA/core: Silence oversized kvmalloc() warning [ Upstream commit `9a0e6f1502` ] syzkaller triggered an oversized kvmalloc() warning. Silence it by adding __GFP_NOWARN. syzkaller log: WARNING: CPU: 7 PID: 518 at mm/util.c:665 __kvmalloc_node_noprof+0x175/0x180 CPU: 7 UID: 0 PID: 518 Comm: c_repro Not tainted 6.11.0-rc6+ #6 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:__kvmalloc_node_noprof+0x175/0x180 RSP: 0018:ffffc90001e67c10 EFLAGS: 00010246 RAX: 0000000000000100 RBX: 0000000000000400 RCX: ffffffff8149d46b RDX: 0000000000000000 RSI: ffff8881030fae80 RDI: 0000000000000002 RBP: 000000712c800000 R08: 0000000000000100 R09: 0000000000000000 R10: ffffc90001e67c10 R11: 0030ae0601000000 R12: 0000000000000000 R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 00007fde79159740(0000) GS:ffff88813bdc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 0000000105eb4005 CR4: 00000000003706b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ib_umem_odp_get+0x1f6/0x390 mlx5_ib_reg_user_mr+0x1e8/0x450 ib_uverbs_reg_mr+0x28b/0x440 ib_uverbs_write+0x7d3/0xa30 vfs_write+0x1ac/0x6c0 ksys_write+0x134/0x170 ? __sanitizer_cov_trace_pc+0x1c/0x50 do_syscall_64+0x50/0x110 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fixes: `37824952dc` ("RDMA/odp: Use kvcalloc for the dma_list and page_list") Signed-off-by: Shay Drory <shayd@nvidia.com> Link: https://patch.msgid.link/c6cb92379de668be94894f49c2cfa40e73f94d56.1742388096.git.leonro@nvidia.com Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2025-05-02 07:44:09 +02:00
arch	x86/e820: Fix handling of subpage regions when calculating nosave ranges in e820__register_nosave_regions()	2025-05-02 07:44:06 +02:00
block	block: fix 'kmem_cache of name 'bio-108' already exists'	2025-04-10 14:31:51 +02:00
certs	certs/blacklist_hashes.c: fix const confusion in certs blacklist	2022-06-22 14:22:01 +02:00
crypto	crypto: testmgr - some more fixes to RSA test vectors	2025-03-13 12:50:48 +01:00
Documentation	scsi: libsas: Delete lldd_clear_aca callback	2025-05-02 07:44:07 +02:00
drivers	RDMA/core: Silence oversized kvmalloc() warning	2025-05-02 07:44:09 +02:00
fs	jbd2: remove wrong sb->s_sequence check	2025-05-02 07:44:03 +02:00
include	scsi: libsas: Add struct sas_tmf_task	2025-05-02 07:44:07 +02:00
init	initramfs: avoid filename buffer overrun	2024-12-14 19:50:42 +01:00
io_uring	io_uring: fix possible deadlock in io_register_iowq_max_workers()	2024-11-17 15:06:25 +01:00
ipc	ipc/sem: Fix dangling sem_array access in semtimedop race	2022-12-08 11:28:45 +01:00
kernel	ftrace: Add cond_resched() to ftrace_graph_set_hash()	2025-05-02 07:44:05 +02:00
lib	lib: scatterlist: fix sg_split_phys to preserve original scatterlist offsets	2025-05-02 07:44:03 +02:00
LICENSES	LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"	2021-07-15 06:31:24 -06:00
mm	mm/hwpoison: do not send SIGBUS to processes with recovered clean pages	2025-05-02 07:44:04 +02:00
net	wifi: mac80211: Purge vif txq in ieee80211_do_stop()	2025-05-02 07:44:08 +02:00
samples	samples/landlock: Fix possible NULL dereference in parse_path()	2025-03-13 12:49:57 +01:00
scripts	selinux: Chain up tool resolving errors in install_policy.sh	2025-04-10 14:31:57 +02:00
security	tomoyo: don't emit warning in tomoyo_write_control()	2025-03-13 12:50:18 +01:00
sound	ASoC: qdsp6: q6asm-dai: fix q6asm_dai_compr_set_params error path	2025-05-02 07:44:02 +02:00
tools	ktest: Fix Test Failures Due to Missing LOG_FILE Directories	2025-05-02 07:43:58 +02:00
usr	usr/include/Makefile: add linux/nfc.h to the compile-test coverage	2022-02-01 17:27:15 +01:00
virt	KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()	2024-10-22 15:40:41 +02:00
.clang-format	clang-format: Update with the latest for_each macro list	2021-05-12 23:32:39 +02:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.get_maintainer.ignore	Opt out of scripts/get_maintainer.pl	2019-05-16 10:53:40 -07:00
.gitattributes	.gitattributes: use 'dts' diff driver for dts files	2019-12-04 19:44:11 -08:00
.gitignore	Remove *.orig pattern from .gitignore	2024-10-17 15:11:10 +02:00
.mailmap	mailmap: add Andrej Shadura	2021-10-18 20:22:03 -10:00
COPYING	COPYING: state that all contributions really are covered by this file	2020-02-10 13:32:20 -08:00
CREDITS	MAINTAINERS: Move Daniel Drake to credits	2021-09-21 08:34:58 +03:00
Kbuild	kbuild: rename hostprogs-y/always to hostprogs/always-y	2020-02-04 01:53:07 +09:00
Kconfig	kbuild: ensure full rebuild when the compiler is updated	2020-05-12 13:28:33 +09:00
MAINTAINERS	trace: Relocate event helper files	2024-04-10 16:19:24 +02:00
Makefile	Linux 5.15.180	2025-04-10 14:32:07 +02:00
README	Drop all 00-INDEX files from Documentation/	2018-09-09 15:08:58 -06:00

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.

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.