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[ 0.406217][ T1] invalid opcode: 0000 [#1] SMP PTI [ 0.406343][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.7.0-rc6-00006-g15acdfcefdf6 #1 [ 0.406343][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 0.406343][ T1] RIP: 0010:user_namespace_sysctl_init+0xcb/0xf0 [ 0.406343][ T1] Code: 2d 72 64 4c ff c6 07 00 0f 1f 00 fb ba 01 00 00 00 31 f6 48 c7 c7 20 5c a5 90 e8 00 ab 9b fd 31 c0 5b 5d c3 cc cc cc cc 0f 0b <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 [ 0.406343][ T1] RSP: 0000:ffffb68040013de8 EFLAGS: 00010246 [ 0.406343][ T1] RAX: 0000000000000000 RBX: ffffffff9158f710 RCX: 00000000000000b8 [ 0.406343][ T1] RDX: 0000000000000000 RSI: 0000000000037160 RDI: ffffffff90a4e020 [ 0.406343][ T1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffb68040013b90 [ 0.406343][ T1] R10: 0000000000000003 R11: ffffffff90ddd6e8 R12: ffff99113fc7a000 [ 0.406343][ T1] R13: ffffb68040013e00 R14: 000000000000040d R15: 0000000000000000 [ 0.406343][ T1] FS: 0000000000000000(0000) GS:ffff99113fd00000(0000) knlGS:0000000000000000 [ 0.406343][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.406343][ T1] CR2: 0000000000000000 CR3: 0000000433c1c000 CR4: 00000000000406f0 [ 0.406343][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.406343][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.406343][ T1] Call Trace: [ 0.406343][ T1] [ 0.406343][ T1] ? die+0x36/0xb0 [ 0.406343][ T1] ? do_trap+0xda/0x130 [ 0.406343][ T1] ? user_namespace_sysctl_init+0xcb/0xf0 [ 0.406343][ T1] ? do_error_trap+0x65/0xb0 [ 0.406343][ T1] ? user_namespace_sysctl_init+0xcb/0xf0 [ 0.406343][ T1] ? exc_invalid_op+0x50/0x70 [ 0.406343][ T1] ? user_namespace_sysctl_init+0xcb/0xf0 [ 0.406343][ T1] ? asm_exc_invalid_op+0x1a/0x20 [ 0.406343][ T1] ? __pfx_user_namespace_sysctl_init+0x10/0x10 [ 0.406343][ T1] ? user_namespace_sysctl_init+0xcb/0xf0 [ 0.406343][ T1] ? user_namespace_sysctl_init+0x35/0xf0 [ 0.406343][ T1] ? __pfx_user_namespace_sysctl_init+0x10/0x10 [ 0.406343][ T1] do_one_initcall+0x5b/0x2f0 [ 0.406343][ T1] do_initcalls+0xc6/0x170 [ 0.406343][ T1] kernel_init_freeable+0x25c/0x330 [ 0.406343][ T1] ? __pfx_kernel_init+0x10/0x10 [ 0.406343][ T1] kernel_init+0x1a/0x1f0 [ 0.406343][ T1] ret_from_fork+0x34/0x70 [ 0.406343][ T1] ? __pfx_kernel_init+0x10/0x10 [ 0.406343][ T1] ret_from_fork_asm+0x1b/0x30 [ 0.406343][ T1] [ 0.406343][ T1] Modules linked in: [ 0.436350][ T1] ---[ end trace 0000000000000000 ]--- [ 0.436931][ T1] RIP: 0010:user_namespace_sysctl_init+0xcb/0xf0 [ 0.437526][ T1] Code: 2d 72 64 4c ff c6 07 00 0f 1f 00 fb ba 01 00 00 00 31 f6 48 c7 c7 20 5c a5 90 e8 00 ab 9b fd 31 c0 5b 5d c3 cc cc cc cc 0f 0b <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 [ 0.439835][ T1] RSP: 0000:ffffb68040013de8 EFLAGS: 00010246 [ 0.440346][ T1] RAX: 0000000000000000 RBX: ffffffff9158f710 RCX: 00000000000000b8 [ 0.441190][ T1] RDX: 0000000000000000 RSI: 0000000000037160 RDI: ffffffff90a4e020 [ 0.441598][ T1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffb68040013b90 [ 0.442345][ T1] R10: 0000000000000003 R11: ffffffff90ddd6e8 R12: ffff99113fc7a000 [ 0.443229][ T1] R13: ffffb68040013e00 R14: 000000000000040d R15: 0000000000000000 [ 0.444599][ T1] FS: 0000000000000000(0000) GS:ffff99113fd00000(0000) knlGS:0000000000000000 [ 0.445346][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.446029][ T1] CR2: 0000000000000000 CR3: 0000000433c1c000 CR4: 00000000000406f0 [ 0.446598][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.447346][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.448197][ T1] Kernel panic - not syncing: Fatal exception The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240119/202401191627.63051dd8-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki