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 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: Hello, kernel test robot noticed "WARNING:at_include/linux/memcontrol.h:#mem_cgroup_from_slab_obj" on: commit: 230b2f1f31b978958ba3c50f5bc3f04fc7abb8cd ("mm: kmem: add lockdep assertion to obj_cgroup_memcg") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master [test failed on linux-next/master cd19ac2f903276b820f5d0d89de0c896c27036ed] in testcase: boot compiler: clang-18 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +-----------------------------------------------------------------+------------+------------+ | | bfe1f729fa | 230b2f1f31 | +-----------------------------------------------------------------+------------+------------+ | WARNING:at_include/linux/memcontrol.h:#mem_cgroup_from_slab_obj | 0 | 6 | | RIP:mem_cgroup_from_slab_obj | 0 | 6 | +-----------------------------------------------------------------+------------+------------+ 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/202407311639.4cc7f719-oliver.sang@intel.com [ 28.951470][ T1] ------------[ cut here ]------------ [ 28.952578][ T1] WARNING: CPU: 0 PID: 1 at include/linux/memcontrol.h:373 mem_cgroup_from_slab_obj (include/linux/memcontrol.h:373 mm/memcontrol.c:2440 mm/memcontrol.c:2469) [ 28.954150][ T1] Modules linked in: [ 28.954834][ T1] CPU: 0 UID: 0 PID: 1 Comm: systemd Tainted: G T 6.10.0-12994-g230b2f1f31b9 #1 [ 28.956386][ T1] Tainted: [T]=RANDSTRUCT [ 28.957111][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 28.958700][ T1] RIP: 0010:mem_cgroup_from_slab_obj (include/linux/memcontrol.h:373 mm/memcontrol.c:2440 mm/memcontrol.c:2469) [ 28.959692][ T1] Code: 00 0f 84 96 00 00 00 e8 c7 6c ba ff 85 c0 0f 85 89 00 00 00 48 c7 c7 c8 38 b6 86 be ff ff ff ff e8 ae 6e e0 02 85 c0 75 74 90 <0f> 0b 90 eb 6e 49 83 c6 38 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 All code ======== 0: 00 0f add %cl,(%rdi) 2: 84 96 00 00 00 e8 test %dl,-0x18000000(%rsi) 8: c7 (bad) 9: 6c insb (%dx),%es:(%rdi) a: ba ff 85 c0 0f mov $0xfc085ff,%edx f: 85 89 00 00 00 48 test %ecx,0x48000000(%rcx) 15: c7 c7 c8 38 b6 86 mov $0x86b638c8,%edi 1b: be ff ff ff ff mov $0xffffffff,%esi 20: e8 ae 6e e0 02 callq 0x2e06ed3 25: 85 c0 test %eax,%eax 27: 75 74 jne 0x9d 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: eb 6e jmp 0x9d 2f: 49 83 c6 38 add $0x38,%r14 33: 4c 89 f0 mov %r14,%rax 36: 48 c1 e8 03 shr $0x3,%rax 3a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 3f: 74 .byte 0x74 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: eb 6e jmp 0x73 5: 49 83 c6 38 add $0x38,%r14 9: 4c 89 f0 mov %r14,%rax c: 48 c1 e8 03 shr $0x3,%rax 10: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 15: 74 .byte 0x74 [ 28.962395][ T1] RSP: 0018:ffff888101aa7958 EFLAGS: 00010246 [ 28.963315][ T1] RAX: 0000000000000000 RBX: ffff8881599d9680 RCX: ffff8881012d8000 [ 28.964489][ T1] RDX: dffffc0000000000 RSI: ffffffff86b638c8 RDI: ffff8881012d9578 [ 28.965626][ T1] RBP: 00000000000001bb R08: ffffffff88b2662f R09: 1ffffffff1164cc5 [ 28.966839][ T1] R10: dffffc0000000000 R11: fffffbfff1164cc6 R12: dffffc0000000000 [ 28.968142][ T1] R13: ffff8881599ed080 R14: 0000000000000008 R15: 0000000000000801 [ 28.969425][ T1] FS: 00007f7d28623940(0000) GS:ffffffff864cc000(0000) knlGS:0000000000000000 [ 28.970782][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.971768][ T1] CR2: 00007f7d29447fb0 CR3: 000000015583a000 CR4: 00000000000406f0 [ 28.973094][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.974386][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.975693][ T1] Call Trace: [ 28.976303][ T1] [ 28.976878][ T1] ? __warn (kernel/panic.c:735) [ 28.977572][ T1] ? mem_cgroup_from_slab_obj (include/linux/memcontrol.h:373 mm/memcontrol.c:2440 mm/memcontrol.c:2469) [ 28.978575][ T1] ? report_bug (lib/bug.c:? lib/bug.c:219) [ 28.979355][ T1] ? handle_bug (arch/x86/kernel/traps.c:239) [ 28.980099][ T1] ? exc_invalid_op (arch/x86/kernel/traps.c:260) [ 28.980897][ T1] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621) [ 28.981686][ T1] ? mem_cgroup_from_slab_obj (include/linux/memcontrol.h:373 mm/memcontrol.c:2440 mm/memcontrol.c:2469) [ 28.982597][ T1] ? mem_cgroup_from_slab_obj (include/linux/memcontrol.h:373 mm/memcontrol.c:2440 mm/memcontrol.c:2469) [ 28.983537][ T1] list_lru_del_obj (mm/list_lru.c:144) [ 28.984379][ T1] d_lru_del (fs/dcache.c:448) [ 28.985113][ T1] ? dput (include/linux/rcupdate.h:326 include/linux/rcupdate.h:838 fs/dcache.c:845) [ 28.985820][ T1] __dentry_kill (include/linux/list_bl.h:54 include/linux/dcache.h:354 fs/dcache.c:514 fs/dcache.c:608) [ 28.986603][ T1] ? dput (include/linux/rcupdate.h:326 include/linux/rcupdate.h:838 fs/dcache.c:845) [ 28.987295][ T1] dput (fs/dcache.c:853) [ 28.987981][ T1] lookup_fast (fs/namei.c:1685) [ 28.988813][ T1] walk_component (fs/namei.c:2035) [ 28.989617][ T1] path_lookupat (fs/namei.c:2542 fs/namei.c:2566) [ 28.990445][ T1] filename_lookup (fs/namei.c:2595) [ 28.991317][ T1] user_path_at (fs/namei.c:3002) [ 28.992100][ T1] __se_sys_name_to_handle_at (fs/fhandle.c:110 fs/fhandle.c:94) [ 28.993021][ T1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:4359) [ 28.994034][ T1] do_syscall_64 (arch/x86/entry/common.c:?) [ 28.994856][ T1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:4359) [ 28.995771][ T1] ? do_syscall_64 (arch/x86/entry/common.c:102) [ 28.996278][ T1] ? do_syscall_64 (arch/x86/entry/common.c:102) [ 28.996768][ T1] ? do_syscall_64 (arch/x86/entry/common.c:102) [ 28.997262][ T1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:4359) [ 28.997857][ T1] ? do_syscall_64 (arch/x86/entry/common.c:102) [ 28.998355][ T1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:4359) [ 28.998981][ T1] ? do_syscall_64 (arch/x86/entry/common.c:102) [ 28.999494][ T1] ? do_syscall_64 (arch/x86/entry/common.c:102) [ 28.999985][ T1] ? exc_page_fault (arch/x86/mm/fault.c:1543) [ 29.000460][ T1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 29.001018][ T1] RIP: 0033:0x7f7d2919709a [ 29.001463][ T1] Code: 48 8b 0d 69 7d 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 2f 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 36 7d 0c 00 f7 d8 64 89 01 48 All code ======== 0: 48 8b 0d 69 7d 0c 00 mov 0xc7d69(%rip),%rcx # 0xc7d70 7: f7 d8 neg %eax 9: 64 89 01 mov %eax,%fs:(%rcx) c: 48 83 c8 ff or $0xffffffffffffffff,%rax 10: c3 retq 11: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 18: 00 00 00 1b: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 20: 49 89 ca mov %rcx,%r10 23: b8 2f 01 00 00 mov $0x12f,%eax 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 8b 0d 36 7d 0c 00 mov 0xc7d36(%rip),%rcx # 0xc7d70 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 retq 9: 48 8b 0d 36 7d 0c 00 mov 0xc7d36(%rip),%rcx # 0xc7d46 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240731/202407311639.4cc7f719-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki