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Date: Thu, 17 Dec 2020 11:10:10 +0800 From: kernel test robot <oliver.sang@...el.com> To: Miquel Raynal <miquel.raynal@...tlin.com> Cc: LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org, lkp@...el.com Subject: [mtd] 19b2ce184b: WARNING:at_drivers/mtd/nand/raw/nand_base.c:#nand_scan_with_ids Greeting, FYI, we noticed the following commit (built with clang-12): commit: 19b2ce184b9f404d6620adf667a9019e6abcae51 ("mtd: nand: ecc-hamming: Stop using raw NAND structures") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master in testcase: trinity version: trinity-x86_64-af355e9-1_2019-12-03 with following parameters: runtime: 300s test-description: Trinity is a linux system call fuzz tester. test-url: http://codemonkey.org.uk/projects/trinity/ on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): +-----------------------------------------------------------------+------------+------------+ | | 90ccf0a019 | 19b2ce184b | +-----------------------------------------------------------------+------------+------------+ | WARNING:at_drivers/mtd/nand/raw/nand_base.c:#nand_scan_with_ids | 0 | 16 | | RIP:nand_scan_with_ids | 0 | 16 | +-----------------------------------------------------------------+------------+------------+ If you fix the issue, kindly add following tag Reported-by: kernel test robot <oliver.sang@...el.com> [ 24.075484] WARNING: CPU: 0 PID: 1 at drivers/mtd/nand/raw/nand_base.c:5856 nand_scan_with_ids+0x13c1/0x1850 [ 24.076283] Modules linked in: [ 24.076542] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.10.0-rc6-00016-g19b2ce184b9f #1 [ 24.077185] RIP: 0010:nand_scan_with_ids+0x13c1/0x1850 [ 24.077613] Code: 9e 98 82 31 c0 e8 8f c6 92 ff 90 0f 0b 90 90 41 bc ea ff ff ff e9 30 04 00 00 90 48 c7 c7 c5 14 a9 82 31 c0 e8 70 c6 92 ff 90 <0f> 0b 90 90 41 bc ea ff ff ff e9 11 04 00 00 48 89 df e8 38 d1 fd [ 24.079123] RSP: 0000:ffff888100117c30 EFLAGS: 00010246 [ 24.079558] RAX: 30a3860978805c00 RBX: ffff8881493d8000 RCX: ffffffff82c51b00 [ 24.080129] RDX: c0000000ffff7fff RSI: ffffffff811996f4 RDI: ffffffff8119a021 [ 24.080703] RBP: ffff888100117ca8 R08: 0000000000000000 R09: ffffffff82d11cc0 [ 24.081292] R10: 00000000ffff7fff R11: 0000000000000000 R12: 00000000fffffff4 [ 24.081864] R13: ffffffff830d4898 R14: 0000000000000001 R15: 0000000000000001 [ 24.082455] FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 24.083101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.083571] CR2: 0000000000000000 CR3: 0000000002c22000 CR4: 00000000000406f0 [ 24.084144] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.084720] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.085299] Call Trace: [ 24.085508] ? inftl_partscan+0x2d4/0x2d4 [ 24.085837] ns_init_module+0x48f/0x8b8 [ 24.086157] ? inftl_partscan+0x2d4/0x2d4 [ 24.086495] ? inftl_partscan+0x2d4/0x2d4 [ 24.086823] do_one_initcall+0x113/0x230 [ 24.087147] ? rcu_read_lock_sched_held+0x44/0xa0 [ 24.087538] do_initcall_level+0x95/0xab [ 24.087862] ? kernel_init+0x9/0x180 [ 24.088156] do_initcalls+0x49/0x75 [ 24.088452] do_basic_setup+0x1f/0x21 [ 24.088753] kernel_init_freeable+0x15d/0x1b3 [ 24.089109] ? rest_init+0x1f0/0x1f0 [ 24.089411] kernel_init+0x9/0x180 [ 24.089693] ret_from_fork+0x22/0x30 [ 24.089987] irq event stamp: 7045039 [ 24.090300] hardirqs last enabled at (7045049): [<ffffffff8119a021>] console_unlock+0x6f1/0x790 [ 24.091000] hardirqs last disabled at (7045056): [<ffffffff81199abb>] console_unlock+0x18b/0x790 [ 24.091708] softirqs last enabled at (7044862): [<ffffffff82000ea2>] asm_call_irq_on_stack+0x12/0x20 [ 24.092450] softirqs last disabled at (7044853): [<ffffffff82000ea2>] asm_call_irq_on_stack+0x12/0x20 [ 24.093197] ---[ end trace b33334ce9dfe4ae9 ]--- To reproduce: # build kernel cd linux cp config-5.10.0-rc6-00016-g19b2ce184b9f .config make HOSTCC=clang-12 CC=clang-12 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email Thanks, Oliver Sang View attachment "config-5.10.0-rc6-00016-g19b2ce184b9f" of type "text/plain" (126459 bytes) View attachment "job-script" of type "text/plain" (4514 bytes) Download attachment "dmesg.xz" of type "application/x-xz" (20552 bytes)
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