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Sat, 16 Nov 2024 20:43:07 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id pRORHtsDOWdcfgAAD6G6ig (envelope-from ); Sat, 16 Nov 2024 20:43:07 +0000 Message-ID: <52be272d-009b-477b-9929-564f75208168@suse.cz> Date: Sat, 16 Nov 2024 21:43:07 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [GIT PULL] slab updates for 6.13 To: Sasha Levin , brauner@kernel.org, viro@zeniv.linux.org.uk Cc: Linus Torvalds , David Rientjes , Christoph Lameter , Andrew Morton , "linux-mm@kvack.org" , LKML , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com> References: <03ec75a9-aade-4457-ac21-5649116afa98@suse.cz> Content-Language: en-US From: Vlastimil Babka Autocrypt: addr=vbabka@suse.cz; keydata= xsFNBFZdmxYBEADsw/SiUSjB0dM+vSh95UkgcHjzEVBlby/Fg+g42O7LAEkCYXi/vvq31JTB KxRWDHX0R2tgpFDXHnzZcQywawu8eSq0LxzxFNYMvtB7sV1pxYwej2qx9B75qW2plBs+7+YB 87tMFA+u+L4Z5xAzIimfLD5EKC56kJ1CsXlM8S/LHcmdD9Ctkn3trYDNnat0eoAcfPIP2OZ+ 9oe9IF/R28zmh0ifLXyJQQz5ofdj4bPf8ecEW0rhcqHfTD8k4yK0xxt3xW+6Exqp9n9bydiy tcSAw/TahjW6yrA+6JhSBv1v2tIm+itQc073zjSX8OFL51qQVzRFr7H2UQG33lw2QrvHRXqD Ot7ViKam7v0Ho9wEWiQOOZlHItOOXFphWb2yq3nzrKe45oWoSgkxKb97MVsQ+q2SYjJRBBH4 8qKhphADYxkIP6yut/eaj9ImvRUZZRi0DTc8xfnvHGTjKbJzC2xpFcY0DQbZzuwsIZ8OPJCc LM4S7mT25NE5kUTG/TKQCk922vRdGVMoLA7dIQrgXnRXtyT61sg8PG4wcfOnuWf8577aXP1x 6mzw3/jh3F+oSBHb/GcLC7mvWreJifUL2gEdssGfXhGWBo6zLS3qhgtwjay0Jl+kza1lo+Cv BB2T79D4WGdDuVa4eOrQ02TxqGN7G0Biz5ZLRSFzQSQwLn8fbwARAQABzSBWbGFzdGltaWwg QmFia2EgPHZiYWJrYUBzdXNlLmN6PsLBlAQTAQoAPgIbAwULCQgHAwUVCgkICwUWAgMBAAIe AQIXgBYhBKlA1DSZLC6OmRA9UCJPp+fMgqZkBQJkBREIBQkRadznAAoJECJPp+fMgqZkNxIQ ALZRqwdUGzqL2aeSavbum/VF/+td+nZfuH0xeWiO2w8mG0+nPd5j9ujYeHcUP1edE7uQrjOC Gs9sm8+W1xYnbClMJTsXiAV88D2btFUdU1mCXURAL9wWZ8Jsmz5ZH2V6AUszvNezsS/VIT87 AmTtj31TLDGwdxaZTSYLwAOOOtyqafOEq+gJB30RxTRE3h3G1zpO7OM9K6ysLdAlwAGYWgJJ V4JqGsQ/lyEtxxFpUCjb5Pztp7cQxhlkil0oBYHkudiG8j1U3DG8iC6rnB4yJaLphKx57NuQ PIY0Bccg+r9gIQ4XeSK2PQhdXdy3UWBr913ZQ9AI2usid3s5vabo4iBvpJNFLgUmxFnr73SJ KsRh/2OBsg1XXF/wRQGBO9vRuJUAbnaIVcmGOUogdBVS9Sun/Sy4GNA++KtFZK95U7J417/J Hub2xV6Ehc7UGW6fIvIQmzJ3zaTEfuriU1P8ayfddrAgZb25JnOW7L1zdYL8rXiezOyYZ8Fm ZyXjzWdO0RpxcUEp6GsJr11Bc4F3aae9OZtwtLL/jxc7y6pUugB00PodgnQ6CMcfR/HjXlae h2VS3zl9+tQWHu6s1R58t5BuMS2FNA58wU/IazImc/ZQA+slDBfhRDGYlExjg19UXWe/gMcl De3P1kxYPgZdGE2eZpRLIbt+rYnqQKy8UxlszsBNBFsZNTUBCACfQfpSsWJZyi+SHoRdVyX5 J6rI7okc4+b571a7RXD5UhS9dlVRVVAtrU9ANSLqPTQKGVxHrqD39XSw8hxK61pw8p90pg4G /N3iuWEvyt+t0SxDDkClnGsDyRhlUyEWYFEoBrrCizbmahOUwqkJbNMfzj5Y7n7OIJOxNRkB IBOjPdF26dMP69BwePQao1M8Acrrex9sAHYjQGyVmReRjVEtv9iG4DoTsnIR3amKVk6si4Ea X/mrapJqSCcBUVYUFH8M7bsm4CSxier5ofy8jTEa/CfvkqpKThTMCQPNZKY7hke5qEq1CBk2 wxhX48ZrJEFf1v3NuV3OimgsF2odzieNABEBAAHCwXwEGAEKACYCGwwWIQSpQNQ0mSwujpkQ PVAiT6fnzIKmZAUCZAUSmwUJDK5EZgAKCRAiT6fnzIKmZOJGEACOKABgo9wJXsbWhGWYO7mD 8R8mUyJHqbvaz+yTLnvRwfe/VwafFfDMx5GYVYzMY9TWpA8psFTKTUIIQmx2scYsRBUwm5VI EurRWKqENcDRjyo+ol59j0FViYysjQQeobXBDDE31t5SBg++veI6tXfpco/UiKEsDswL1WAr tEAZaruo7254TyH+gydURl2wJuzo/aZ7Y7PpqaODbYv727Dvm5eX64HCyyAH0s6sOCyGF5/p eIhrOn24oBf67KtdAN3H9JoFNUVTYJc1VJU3R1JtVdgwEdr+NEciEfYl0O19VpLE/PZxP4wX PWnhf5WjdoNI1Xec+RcJ5p/pSel0jnvBX8L2cmniYnmI883NhtGZsEWj++wyKiS4NranDFlA HdDM3b4lUth1pTtABKQ1YuTvehj7EfoWD3bv9kuGZGPrAeFNiHPdOT7DaXKeHpW9homgtBxj 8aX/UkSvEGJKUEbFL9cVa5tzyialGkSiZJNkWgeHe+jEcfRT6pJZOJidSCdzvJpbdJmm+eED w9XOLH1IIWh7RURU7G1iOfEfmImFeC3cbbS73LQEFGe1urxvIH5K/7vX+FkNcr9ujwWuPE9b 1C2o4i/yZPLXIVy387EjA6GZMqvQUFuSTs/GeBcv0NjIQi8867H3uLjz+mQy63fAitsDwLmR EP+ylKVEKb0Q2A== In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Action: no action X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: ADD3D40002 X-Stat-Signature: o8dbgihdmq4nhckdkkomwuj9o64rcycg X-Rspam-User: X-HE-Tag: 1731789753-634340 X-HE-Meta: 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 Sr+H/Tbh 2rodV5xiZMbAzqBRwuYcjrqJvHkmiCiQo9ojQRb4bHCDcq76+PZzk6e4lRsyMX1D3SbqExlfT1HlOZMw+yZy7JhQNkHbqjhfVB0sZ6m1ElO1j5/MI4wqftQesjChPnBG7FSarSJd2Dfb+dLdnNW6vuo+FU/hXoYl8fAm86gzS9pkyvZsXq1Jx04RzouO3jl6tamdCDbqGMvXnTe/63QPKsBgCA6ED5eOp9R6k5Uj4i1Em8rMPV3oRh3ymUjBIX0yybhfYH0+6DbmfT56qMGq4QgSEXg9E9mJZ3pmf2m/7w3MgDIlrjiny7AQttavmXK4wQvRyxhpNaJuT9nwJRzZmDcQ2iUuJwggtugvrsgDSem2OoqbeC70Om/vFa18Fov/xRUEUbAsb/x8RxuMqdI3ZvxzJ/LqiOglgqXdCmYW94Us1C6azhDa7FcZ3+sBVUrGb9p5SgeoNjYatB9KUMQ4aVXSPM5GSeFjku/7dykJDeXrNmjBCf7eDYCh4xpgMjj9Bxk4e5rxZYrbNAwOVuuSdSpM+JIVI9e2c+UQwXM0paTAka2uNFnniv/dFBQJf2d3lunD//eFnvUR0ujUvxEsA3oOLh1YFJHFq7UvoOtWdo9kwUP3G/0BlLOx78cFgh0crf3X6iqtBP+bFUU4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 11/16/24 16:35, Sasha Levin wrote: > [ Obviously I fat-fingered it and didn't add Christian or Al ] I have found the problem and looks like I managed to force push an older broken version of a branch, possibly due to switching between two computers. Serves me well for amending in some last minute R-b tags. Doing git diff @{u} to check for unexpected suprirses before pushing the result didn't help this time, either I forgot or was blind. I have deleted the slab-for-6.13 signed tag and pushed the fixed branch only to -next. Thanks a lot Sasha for catching this early and please drop the merge from the for-linus tree. Thanks, Vlastimil > On Sat, Nov 16, 2024 at 10:32:23AM -0500, Sasha Levin wrote: >>[ Adding Christian and Al ] >> >>On Fri, Nov 15, 2024 at 03:22:30PM +0100, Vlastimil Babka wrote: >>>Hi Linus, >>> >>>please pull the latest slab updates from: >>> >>> git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git tags/slab-for-6.13 >>> >>>One new feature and non-critical fixes (mostly related to debugging). >>>No conflicts to be expected, AFAIK. >> >>After merging the last batch of pull requests which included VFS and >>SLAB into my linus-next[1] tree I've started seeing consistent boot and >>runtime failures both on LKFT[2] and KernelCI[3]. I'm going to start >>bisection, but given the amount of content that went in it might take a >>day or two. >> >>It seems that this is something in the interaction between VFS and SLAB: >> >>Boot failures: >> >>[ 4.600870] __kmem_cache_create_args(ext4_groupinfo_4k) failed with error -22 >>[ 4.602001] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-rc7 #1 >>[ 4.602644] Hardware name: linux,dummy-virt (DT) >>[ 4.603346] Call trace: >>[ 4.603594] dump_backtrace+0x108/0x190 >>[ 4.604831] show_stack+0x24/0x38 >>[ 4.605104] dump_stack_lvl+0x40/0xa0 >>[ 4.605472] dump_stack+0x18/0x28 >>[ 4.605842] __kmem_cache_create_args+0x21c/0x248 >>[ 4.606235] ext4_mb_init+0x118/0x720 >>[ 4.606572] ext4_fill_super+0x1550/0x17d8 >>[ 4.606890] get_tree_bdev_flags+0x138/0x1d8 >>[ 4.607279] get_tree_bdev+0x20/0x38 >>[ 4.607643] ext4_get_tree+0x24/0x38 >>[ 4.608013] vfs_get_tree+0x3c/0x108 >>[ 4.608260] do_new_mount+0x154/0x398 >>[ 4.608622] path_mount+0x258/0x4d0 >>[ 4.609030] init_mount+0x78/0xc8 >>[ 4.609434] do_mount_root+0xd4/0x1b0 >>[ 4.609887] mount_root_generic+0x110/0x308 >>[ 4.610177] mount_block_root+0x5c/0x78 >>[ 4.610428] mount_root+0x74/0xa8 >>[ 4.610662] prepare_namespace+0x8c/0xd8 >>[ 4.610922] kernel_init_freeable+0x10c/0x160 >>[ 4.611197] kernel_init+0x2c/0x1c0 >>[ 4.611437] ret_from_fork+0x10/0x20 >>[ 4.612106] EXT4-fs: no memory for groupinfo slab cache >>[ 4.612757] EXT4-fs (vda): failed to initialize mballoc (-12) >> >>Runtime failures: >> >>__kmem_cache_create_args(ext4_groupinfo_1k) failed with error -22 >>CPU: 0 UID: 0 PID: 76 Comm: kunit_try_catch Tainted: G N 6.12.0-rc7 #1 >>Tainted: [N]=TEST >>Hardware name: ARM-Versatile (Device Tree Support) >>Call trace: >> unwind_backtrace from show_stack+0x10/0x14 >> show_stack from dump_stack_lvl+0x34/0x3c >> dump_stack_lvl from __kmem_cache_create_args+0x24c/0x2c4 >> __kmem_cache_create_args from ext4_mb_init+0xf4/0x690 >> ext4_mb_init from mbt_kunit_init+0x394/0x474 >> mbt_kunit_init from kunit_try_run_case+0x40/0x1d4 >> kunit_try_run_case from kunit_generic_run_threadfn_adapter+0x1c/0x34 >> kunit_generic_run_threadfn_adapter from kthread+0xe0/0x10c >> kthread from ret_from_fork+0x14/0x28 >>Exception stack(0xd0981fb0 to 0xd0981ff8) >>1fa0: 00000000 00000000 00000000 00000000 >>1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >>1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 >>EXT4-fs: no memory for groupinfo slab cache >> # test_new_blocks_simple: failed to initialize: -12 >>------------[ cut here ]------------ >>kernel BUG at fs/ext4/mballoc.c:3283! >>Internal error: Oops - BUG: 0 [#1] PREEMPT ARM >>Modules linked in: >>CPU: 0 UID: 0 PID: 77 Comm: kunit_try_catch Tainted: G N 6.12.0-rc7 #1 >>Tainted: [N]=TEST >>Hardware name: ARM-Versatile (Device Tree Support) >>PC is at ext4_mb_release+0x2f4/0x31c >>LR is at mbt_kunit_exit+0x10/0x80 >>pc : [] lr : [] psr: 60000113 >>sp : d0985f18 ip : d0985f30 fp : 00000000 >>r10: 00000000 r9 : d0811d50 r8 : c17cc000 >>r7 : c17cc000 r6 : c16be240 r5 : c1c761c0 r4 : d0811d44 >>r3 : ffff0fff r2 : 00000000 r1 : c12d3fc0 r0 : 00000000 >>Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none >>Control: 00093177 Table: 00004000 DAC: 00000053 >>Register r0 information: NULL pointer >>Register r1 information: non-slab/vmalloc memory >>Register r2 information: NULL pointer >>Register r3 information: non-paged memory >>Register r4 information: 2-page vmalloc region starting at 0xd0810000 allocated at copy_process+0x170/0xdd4 >>Register r5 information: slab task_struct start c1c761c0 pointer offset 0 size 1728 >>Register r6 information: slab kmalloc-64 start c16be240 pointer offset 0 size 64 >>Register r7 information: slab kmalloc-1k start c17cc000 pointer offset 0 size 1024 >>Register r8 information: slab kmalloc-1k start c17cc000 pointer offset 0 size 1024 >>Register r9 information: 2-page vmalloc region starting at 0xd0810000 allocated at copy_process+0x170/0xdd4 >>Register r10 information: NULL pointer >>Register r11 information: NULL pointer >>Register r12 information: 2-page vmalloc region starting at 0xd0984000 allocated at copy_process+0x170/0xdd4 >>Process kunit_try_catch (pid: 77, stack limit = 0x(ptrval)) >>Stack: (0xd0985f18 to 0xd0986000) >>5f00: c1440000 00000000 >>5f20: c102e680 c1c76638 d0985f68 c0c21734 00000003 00000000 00000004 d0811d44 >>5f40: c1c761c0 c16be240 d0811c88 c17cc000 d0811d50 00000000 00000000 c022e758 >>5f60: d0811d44 c1c761c0 c16be240 d0811c88 c039be9c d0811d50 00000000 c0399c0c >>5f80: d0811d50 c039beb8 c16bf160 c0044a4c c16bf160 c004496c 00000000 00000000 >>5fa0: 00000000 00000000 00000000 c000854c 00000000 00000000 00000000 00000000 >>5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >>5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 >>Call trace: >> ext4_mb_release from mbt_kunit_exit+0x10/0x80 >> mbt_kunit_exit from kunit_try_run_case_cleanup+0x30/0x3c >> kunit_try_run_case_cleanup from kunit_generic_run_threadfn_adapter+0x1c/0x34 >> kunit_generic_run_threadfn_adapter from kthread+0xe0/0x10c >> kthread from ret_from_fork+0x14/0x28 >>Exception stack(0xd0985fb0 to 0xd0985ff8) >>5fa0: 00000000 00000000 00000000 00000000 >>5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >>5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 >>Code: e3a010c9 e3811c0e eb278c81 eaffff5d (e7f001f2) >>---[ end trace 0000000000000000 ]--- >> >> >>[1] https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linus-next.git/log/?h=linus-next >>[2] https://qa-reports.linaro.org/lkft/sashal-linus-next/build/v6.11-15430-gc12cd257292c/testrun/25849362/suite/boot/test/clang-19-lkftconfig/log >>[3] https://kciapistagingstorage1.file.core.windows.net/early-access/baseline-x86-kcidebug-amd-6738b3dc1a48e7821930a51b/log.txt.gz?sv=2022-11-02&ss=f&srt=sco&sp=r&se=2026-10-18T13:36:18Z&st=2024-10-17T05:36:18Z&spr=https&sig=xFxYOOh5uXJWeN9I3YKAUvpGGQivo89HKZbD78gcxvc%3D >> >>-- >>Thanks, >>Sasha >> >