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2024 17:59:37 +0800 User-Agent: Mozilla Thunderbird Subject: Re: linux-next: boot warning after merge of the mm tree To: Stephen Rothwell , Andrew Morton Cc: Linux Kernel Mailing List , Linux Next Mailing List References: <20240826194648.407fdf58@canb.auug.org.au> From: zhiguojiang In-Reply-To: <20240826194648.407fdf58@canb.auug.org.au> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SGAP274CA0008.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::20) To JH0PR06MB6849.apcprd06.prod.outlook.com (2603:1096:990:47::12) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: JH0PR06MB6849:EE_|KL1PR0601MB5798:EE_ X-MS-Office365-Filtering-Correlation-Id: 09427b38-7cec-413a-cf42-08dcc5b5cd8b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: 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=?utf-8?B?YXJrT28yNkNkQXFIcGlRUGNDd1k5MTNZajJNR0E1OEUyR0o5cmNteDkzN3Fr?= =?utf-8?B?aXR6cjVxUXMzUTB6aWUxOExuQXoydytOMVplakNUVzRIMmF0NE1OZ0ExOVQz?= =?utf-8?B?RmV6alZpbCtsQkxkaW1XRjNydTVnc1BuMGk3VnlUSEp3eXBYbEh5Mm5WRFRp?= =?utf-8?B?MlFmNW1GMGxYTlhnRFR4RitRZ3dOM2MwdFJhcXdDWW1KUTNxaksyWjRTQ1k1?= =?utf-8?B?SXVuV0lNU0dpbTkwQmtEOE1ZUlBlb1A2MHFPdnFwQWJQUlNTMjg3b2gwbkRB?= =?utf-8?Q?5cPZADgQnMRyigc1ghWupjrdb?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 09427b38-7cec-413a-cf42-08dcc5b5cd8b X-MS-Exchange-CrossTenant-AuthSource: JH0PR06MB6849.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Aug 2024 09:59:40.8899 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: euG888gFu1Pl5fW1z/r3XXtkg8c0q4ZrKTUjbS4Jd0PN53oEFsbdy6Cq8Si8VA1zwN0eP+av95uabUlGJPnd6g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: KL1PR0601MB5798 在 2024/8/26 17:46, Stephen Rothwell 写道: > Hi all, > > After merging the mm tree, today's linux-next boot test (powerpc > pseries_le_defconfig) produced many warnings like this: > > Run /init as init process > mount (55) used greatest stack depth: 28240 bytes left > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 1 at mm/rmap.c:443 unlink_anon_vmas+0x23c/0x358 > Modules linked in: > CPU: 0 UID: 0 PID: 1 Comm: init Not tainted 6.11.0-rc5-06732-g133a683d26fd #14 > Hardware name: IBM pSeries (emulated by qemu) POWER8 (architected) 0x4d0200 0xf000004 of:SLOF,HEAD pSeries > NIP: c0000000004d0208 LR: c0000000004d0158 CTR: c00000000121d230 > REGS: c0000000049bf550 TRAP: 0700 Not tainted (6.11.0-rc5-06732-g133a683d26fd) > MSR: 800000000282b033 CR: 44004222 XER: 20000000 > CFAR: c0000000004d019c IRQMASK: 0 > GPR00: c0000000004d0158 c0000000049bf7f0 c00000000167b100 c000000008b5e2b0 > GPR04: c000000008b5e300 0000000000000006 c00000000445a108 0000000000000000 > GPR08: 0000000000000000 0000000000000001 ffffffffffffffff c0000000013550d8 > GPR12: 0000000000000000 c000000002b90000 0000000000000000 0000000000000000 > GPR16: 0000000000000000 c000000006cea000 c00000000405e3c0 c000000006556500 > GPR20: c000000006ce5000 c000000002a30308 0000000000000000 c000000008ba8398 > GPR24: c000000008ba8388 c000000008b60310 c000000002acb790 5deadbeef0000100 > GPR28: c000000008ba8398 5deadbeef0000122 c000000008ba8388 c000000008b60300 > NIP [c0000000004d0208] unlink_anon_vmas+0x23c/0x358 > LR [c0000000004d0158] unlink_anon_vmas+0x18c/0x358 > Call Trace: > [c0000000049bf7f0] [c0000000004d00f0] unlink_anon_vmas+0x124/0x358 (unreliable) > [c0000000049bf860] [c0000000004a7eec] free_pgtables+0x1d0/0x368 > [c0000000049bf930] [c0000000004bce20] exit_mmap+0x1c0/0x578 > [c0000000049bfa70] [c000000000151f80] __mmput+0x60/0x1e0 > [c0000000049bfaa0] [c0000000005a6980] begin_new_exec+0x6e0/0xed0 > [c0000000049bfb20] [c0000000006405a8] load_elf_binary+0x460/0x1b68 > [c0000000049bfc70] [c0000000005a4088] bprm_execve+0x2ac/0x754 > [c0000000049bfd40] [c0000000005a5de0] do_execveat_common+0x188/0x250 > [c0000000049bfde0] [c0000000005a71c4] sys_execve+0x54/0x6c > [c0000000049bfe10] [c000000000030980] system_call_exception+0x120/0x310 > [c0000000049bfe50] [c00000000000d6a0] system_call_common+0x160/0x2c4 > --- interrupt: c00 at 0x7fff98ea1638 > NIP: 00007fff98ea1638 LR: 000000001004a12c CTR: 0000000000000000 > REGS: c0000000049bfe80 TRAP: 0c00 Not tainted (6.11.0-rc5-06732-g133a683d26fd) > MSR: 800000000280f033 CR: 22002824 XER: 00000000 > IRQMASK: 0 > GPR00: 000000000000000b 00007fffcec19410 00007fff98f79900 000001001dc20410 > GPR04: 000001001dc20440 000001001dc20450 0000000000000000 0000000000000000 > GPR08: 000001001dc20410 0000000000000000 0000000000000000 0000000000000000 > GPR12: 0000000000000000 00007fff98ffa9a0 0000000000000000 0000000000000000 > GPR16: 0000000000000000 0000000000000000 0000000000000000 00000000100b8fd0 > GPR20: 00000000100d03a2 00000000100b8f90 0000000000000000 0000000000000000 > GPR24: 0000000000000000 00000000100e77b8 00000000100b8700 00000000100d03e6 > GPR28: 000001001dc20450 00000000100d03e6 000001001dc20410 000001001dc20440 > NIP [00007fff98ea1638] 0x7fff98ea1638 > LR [000000001004a12c] 0x1004a12c > --- interrupt: c00 > Code: fbbf0018 7fdff378 48033221 60000000 ebd90000 7c39e040 3bdefff0 418200a8 e87f0008 e9430038 312affff 7d295110 <0b090000> e9430040 312affff 7d295110 > ---[ end trace 0000000000000000 ]--- > mkdir (59) used greatest stack depth: 28176 bytes left > > Bisected to commit > > 1cd7eb306a54 ("vma remove the unneeded avc bound with non-CoWed folio") > > I have reverted that commit for today. Sorry, this commit has still some issues by discussing with other maintainers, and the submission can be cancelled. https://lore.kernel.org/linux-mm/5a17754a-162f-48e0-93a5-19b043d29c37@vivo.com/T/#t Thanks Zhiguo >