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Howlett" Cc: oe-lkp@lists.linux.dev, lkp@intel.com, maple-tree@lists.infradead.org, linux-mm@kvack.org, yi1.lai@intel.com Subject: [liam:maple_marks_v4] [maple_tree] f44e0ea8d4: WARNING:at_lib/maple_tree.c:#node_clear_tail Message-ID: <202610081209.cf3a5ca-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Stat-Signature: tabuckdhmg3rp9ai3wurq66qmd4qdbpz X-Rspam-User: X-Rspamd-Queue-Id: E6847160006 X-Rspamd-Server: rspam08 X-HE-Tag: 1791437795-965814 X-HE-Meta: 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 fTaXXj0m g4ec9/jS2NlSj5e0D0bp9utIZSNZ6ZOvFQ7IKP8AYTaV3qD2M7H8Es/BUhYptsWrP8zV1rKH+9O2wZc77cnnXmjsthhfFzPpdd0jgx7ud0MH94KmPPLeU/HaX/BpWSL0UNx8KkMujbkR+F4gRoSqWpF7mlAI0ME7yAjEFrndDardyEoGDFygPXJRABRQyKwoZTBwpS4m+InQG+v1QZ12rUzhHRxik899jXDes6eKROQqRiSlSPuX6Wl1DNAuVtEp0f9SkUa5cBFaRijFmm2WgtKu76s5jruQdGHZYnbaxdHXAwvd1zKIt80rlIrl4AtAW80Elkah3bNeGptET4B7FqQmANwW8CQSI6QZnfhGwV1b663jMHO6aAnFtPA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed "WARNING:at_lib/maple_tree.c:#node_clear_tail" on: commit: f44e0ea8d474ab9cb65305ae34780f1984515e1c ("maple_tree: Explicitly set node values to avoid clearing entire node") https://git.kernel.org/cgit/linux/kernel/git/liam/linux.git maple_marks_v4 in testcase: boot config: x86_64-randconfig-011-20260914 compiler: clang-22 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 4 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202610081209.cf3a5ca-lkp@intel.com [ 2.612810][ T0] ------------[ cut here ]------------ [ 2.615535][ T0] WARNING: lib/maple_tree.c:2447 at node_clear_tail+0x3ee/0x480, CPU#0: swapper/0/0 [ 2.620115][ T0] Modules linked in: [ 2.622063][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G T 7.3.0-rc1-00774-gf44e0ea8d474 #1 PREEMPT(full) [ 2.627914][ T0] Tainted: [T]=RANDSTRUCT [ 2.630014][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 2.635145][ T0] RIP: 0010:node_clear_tail (maple_tree.c:2447) [ 2.637935][ T0] Code: 05 cf b0 7e 01 48 3b 44 24 20 75 58 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 31 c9 31 ff 31 d2 31 f6 c3 e8 e2 af b5 fb <0f> 0b eb d0 e8 d9 af b5 fb 48 c7 c7 c0 5e aa b6 48 8b 74 24 08 e8 All code ======== 0: 05 cf b0 7e 01 add $0x17eb0cf,%eax 5: 48 3b 44 24 20 cmp 0x20(%rsp),%rax a: 75 58 jne 0x64 c: 48 83 c4 28 add $0x28,%rsp 10: 5b pop %rbx 11: 41 5c pop %r12 13: 41 5d pop %r13 15: 41 5e pop %r14 17: 41 5f pop %r15 19: 5d pop %rbp 1a: 31 c0 xor %eax,%eax 1c: 31 c9 xor %ecx,%ecx 1e: 31 ff xor %edi,%edi 20: 31 d2 xor %edx,%edx 22: 31 f6 xor %esi,%esi 24: c3 ret 25: e8 e2 af b5 fb call 0xfffffffffbb5b00c 2a:* 0f 0b ud2 <-- trapping instruction 2c: eb d0 jmp 0xfffffffffffffffe 2e: e8 d9 af b5 fb call 0xfffffffffbb5b00c 33: 48 c7 c7 c0 5e aa b6 mov $0xffffffffb6aa5ec0,%rdi 3a: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: eb d0 jmp 0xffffffffffffffd4 4: e8 d9 af b5 fb call 0xfffffffffbb5afe2 9: 48 c7 c7 c0 5e aa b6 mov $0xffffffffb6aa5ec0,%rdi 10: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 15: e8 .byte 0xe8 [ 2.647533][ T0] RSP: 0000:ffffffffb5a07980 EFLAGS: 00010046 [ 2.650539][ T0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.654515][ T0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.658372][ T0] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 2.662307][ T0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000010 [ 2.666281][ T0] R13: 0000000000000010 R14: ffffffffb572b002 R15: ffff8881022e8400 [ 2.670252][ T0] FS: 0000000000000000(0000) GS:0000000000000000(0000) knlGS:0000000000000000 [ 2.674548][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.677741][ T0] CR2: ffff88843ffff000 CR3: 000000009d634000 CR4: 00000000000000b0 [ 2.681737][ T0] Call Trace: [ 2.683296][ T0] [ 2.684659][ T0] mas_wr_store_entry (maple_tree.c:3805) [ 2.687291][ T0] ? early_irq_init (irq/irqdesc.c:195) [ 2.689639][ T0] ? start_kernel (main.c:1088) [ 2.691946][ T0] ? x86_64_start_reservations (x86/kernel/head64.c:310) [ 2.694726][ T0] ? x86_64_start_kernel (x86/kernel/head64.c:291) [ 2.697359][ T0] ? common_startup_64 (x86/kernel/head_64.S:418) [ 2.699845][ T0] mas_store_gfp (maple_tree.c:5973) [ 2.702060][ T0] early_irq_init (irq/irqdesc.c:195) [ 2.704262][ T0] start_kernel (main.c:1088) [ 2.706233][ T0] x86_64_start_reservations (x86/kernel/head64.c:310) [ 2.708590][ T0] x86_64_start_kernel (x86/kernel/head64.c:291) [ 2.710834][ T0] common_startup_64 (x86/kernel/head_64.S:418) [ 2.712798][ T0] [ 2.714169][ T0] irq event stamp: 0 [ 2.716054][ T0] hardirqs last enabled at (0): 0x0 [ 2.719576][ T0] hardirqs last disabled at (0): 0x0 [ 2.722938][ T0] softirqs last enabled at (0): 0x0 [ 2.725737][ T0] softirqs last disabled at (0): 0x0 [ 2.729141][ T0] ---[ end trace 0000000000000000 ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20261008/202610081209.cf3a5ca-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki