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X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR11MB8537 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "sysctl_could_not_get_directory" on: commit: 9f1a3a2fcea5b48ed81097e779d384a33deb1ac3 ("sysctl: make internal ctl_tables const") https://git.kernel.org/cgit/linux/kernel/git/sysctl/sysctl.git sysctl-testing 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) +------------------------------------------+------------+------------+ | | 8ac44bd8e9 | 9f1a3a2fce | +------------------------------------------+------------+------------+ | boot_successes | 24 | 0 | | boot_failures | 0 | 24 | | sysctl_could_not_get_directory | 0 | 24 | | kernel_BUG_at_kernel/ucount.c | 0 | 24 | | Oops:invalid_opcode:#[##]SMP_PTI | 0 | 24 | | RIP:user_namespace_sysctl_init | 0 | 24 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 24 | +------------------------------------------+------------+------------+ 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/202408051453.f638857e-lkp@intel.com [ 0.403331][ T1] devtmpfs: initialized [ 0.404444][ T1] x86/mm: Memory block size: 128MB [ 0.406772][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.408486][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, linear) [ 0.409606][ T1] pinctrl core: initialized pinctrl subsystem [ 0.410485][ T1] sysctl could not get directory: /net -30 [ 0.411213][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.412462][ T1] DMA: preallocated 2048 KiB GFP_KERNEL pool for atomic allocations [ 0.413408][ T1] DMA: preallocated 2048 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.414428][ T1] DMA: preallocated 2048 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.415498][ T1] thermal_sys: Registered thermal governor 'fair_share' [ 0.415499][ T1] thermal_sys: Registered thermal governor 'bang_bang' [ 0.416351][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 0.418128][ T1] thermal_sys: Registered thermal governor 'user_space' [ 0.419133][ T1] cpuidle: using governor menu [ 0.421087][ T1] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.421666][ T1] PCI: Using configuration type 1 for base access [ 0.423516][ T1] sysctl could not get directory: /user -30 [ 0.424138][ T1] ------------[ cut here ]------------ [ 0.424885][ T1] kernel BUG at kernel/ucount.c:370! [ 0.425334][ T1] Oops: invalid opcode: 0000 [#1] SMP PTI [ 0.426110][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-rc1-00004-g9f1a3a2fcea5 #1 [ 0.426125][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 0.426125][ T1] RIP: 0010:user_namespace_sysctl_init+0xdc/0xe0 [ 0.426125][ T1] Code: 48 0f c1 81 80 00 00 00 48 8b 41 10 48 8b 88 58 02 00 00 48 8b 88 f0 01 00 00 48 85 c9 75 db 31 c0 5b c3 cc cc cc cc cc 0f 0b <0f> 0b cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f [ 0.426125][ T1] RSP: 0000:ffffaa4540013b00 EFLAGS: 00010246 [ 0.426125][ T1] RAX: 61a99279fe04ab00 RBX: ffffffffa210e1a0 RCX: 00000000000000b8 [ 0.426125][ T1] RDX: 00000000000000b7 RSI: 0000000000039160 RDI: ffffffffa1644250 [ 0.426125][ T1] RBP: ffffaa4540013e28 R08: 0000000000007fff R09: ffffffffa1653640 [ 0.426125][ T1] R10: 0000000000017ffd R11: 0000000000000004 R12: 0000000000000000 [ 0.426125][ T1] R13: 0000000000000000 R14: ffffffffa2346dc4 R15: 0000000000000000 [ 0.426125][ T1] FS: 0000000000000000(0000) GS:ffff896c2fd00000(0000) knlGS:0000000000000000 [ 0.426125][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.426125][ T1] CR2: 0000000000000000 CR3: 000000010241a000 CR4: 00000000000406f0 [ 0.426125][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.426125][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.426125][ T1] Call Trace: [ 0.426125][ T1] [ 0.426125][ T1] ? __die_body+0x66/0xb0 [ 0.426125][ T1] ? die+0xa0/0xc0 [ 0.426125][ T1] ? do_trap+0xa2/0x170 [ 0.426125][ T1] ? user_namespace_sysctl_init+0xdc/0xe0 [ 0.426125][ T1] ? handle_invalid_op+0x65/0x80 [ 0.426125][ T1] ? user_namespace_sysctl_init+0xdc/0xe0 [ 0.426125][ T1] ? exc_invalid_op+0x34/0x50 [ 0.426125][ T1] ? asm_exc_invalid_op+0x16/0x20 [ 0.426125][ T1] ? __pfx_user_namespace_sysctl_init+0x10/0x10 [ 0.426125][ T1] ? user_namespace_sysctl_init+0xdc/0xe0 [ 0.426125][ T1] ? __pfx_user_namespace_sysctl_init+0x10/0x10 [ 0.426125][ T1] do_one_initcall+0x11a/0x330 [ 0.426125][ T1] ? crng_fast_key_erasure+0x109/0x190 [ 0.426125][ T1] ? crng_make_state+0x174/0x1b0 [ 0.426125][ T1] ? get_random_u32+0x138/0x190 [ 0.426125][ T1] ? __get_random_u32_below+0xf/0x60 [ 0.426125][ T1] ? allocate_slab+0x1ef/0x670 [ 0.426125][ T1] ? parameq+0x13/0x90 [ 0.426125][ T1] ? __pfx_ignore_unknown_bootoption+0x10/0x10 [ 0.426125][ T1] ? parse_args+0x143/0x3e0 [ 0.426125][ T1] do_initcall_level+0x7c/0xd0 [ 0.426125][ T1] do_initcalls+0x59/0xa0 [ 0.426125][ T1] kernel_init_freeable+0x11e/0x190 [ 0.426125][ T1] ? __pfx_kernel_init+0x10/0x10 [ 0.426125][ T1] kernel_init+0x16/0x1a0 [ 0.426125][ T1] ret_from_fork+0x36/0x40 [ 0.426125][ T1] ? __pfx_kernel_init+0x10/0x10 [ 0.426125][ T1] ret_from_fork_asm+0x1a/0x30 [ 0.426125][ T1] [ 0.426125][ T1] Modules linked in: [ 0.464137][ T1] ---[ end trace 0000000000000000 ]--- [ 0.464859][ T1] RIP: 0010:user_namespace_sysctl_init+0xdc/0xe0 [ 0.466337][ T1] Code: 48 0f c1 81 80 00 00 00 48 8b 41 10 48 8b 88 58 02 00 00 48 8b 88 f0 01 00 00 48 85 c9 75 db 31 c0 5b c3 cc cc cc cc cc 0f 0b <0f> 0b cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f [ 0.468633][ T1] RSP: 0000:ffffaa4540013b00 EFLAGS: 00010246 [ 0.469329][ T1] RAX: 61a99279fe04ab00 RBX: ffffffffa210e1a0 RCX: 00000000000000b8 [ 0.470127][ T1] RDX: 00000000000000b7 RSI: 0000000000039160 RDI: ffffffffa1644250 [ 0.471130][ T1] RBP: ffffaa4540013e28 R08: 0000000000007fff R09: ffffffffa1653640 [ 0.472126][ T1] R10: 0000000000017ffd R11: 0000000000000004 R12: 0000000000000000 [ 0.473126][ T1] R13: 0000000000000000 R14: ffffffffa2346dc4 R15: 0000000000000000 [ 0.474127][ T1] FS: 0000000000000000(0000) GS:ffff896c2fd00000(0000) knlGS:0000000000000000 [ 0.475127][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.475982][ T1] CR2: 0000000000000000 CR3: 000000010241a000 CR4: 00000000000406f0 [ 0.477482][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.478502][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.480487][ T1] Kernel panic - not syncing: Fatal exception The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240805/202408051453.f638857e-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki