kernel_clone+0x248/0x8e0 kernel/fork.c:2654 __do_sys_clone3 kernel/fork.c:2956 [inline] __se_sys_clone3+0x33c/0x360 kernel/fork.c:2935 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:859! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 14452 Comm: syz.2.1922 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__filemap_add_folio+0x1204/0x13a0 mm/filemap.c:858 Code: 5a c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 e4 d0 27 ff 90 0f 0b e8 ac 5a c5 ff 4c 89 e7 48 c7 c6 c0 99 d7 8b e8 cd d0 27 ff 90 <0f> 0b e8 95 5a c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 b6 d0 27 ff RSP: 0000:ffffc9000cd0f1e0 EFLAGS: 00010246 RAX: 05496e29330a3f00 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8def38f2 RDI: 00000000ffffffff RBP: ffffc9000cd0f360 R08: ffffffff901195b7 R09: 1ffffffff20232b6 R10: dffffc0000000000 R11: fffffbfff20232b7 R12: ffffea00019607c0 R13: dffffc0000000000 R14: ffff888023a94200 R15: 0000000000000004 FS: 00007f32d7bf66c0(0000) GS:ffff888125460000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8454552000 CR3: 0000000083678000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: filemap_add_folio+0x264/0x530 mm/filemap.c:966 ra_alloc_folio mm/readahead.c:456 [inline] page_cache_ra_order+0x6b5/0xeb0 mm/readahead.c:515 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3405 filemap_fault+0x6e2/0x1320 mm/filemap.c:3554 __do_fault+0x138/0x390 mm/memory.c:5364 do_read_fault mm/memory.c:5799 [inline] do_fault mm/memory.c:5933 [inline] do_pte_missing+0x228f/0x3750 mm/memory.c:4477 handle_pte_fault mm/memory.c:6317 [inline] __handle_mm_fault mm/memory.c:6455 [inline] handle_mm_fault+0x1bec/0x3310 mm/memory.c:6624 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x165b/0x29d0 mm/gup.c:1428 populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860 __mm_populate+0x25f/0x390 mm/gup.c:1963 mm_populate include/linux/mm.h:3899 [inline] vm_mmap_pgoff+0x3aa/0x4f0 mm/util.c:586 ksys_mmap_pgoff+0x51e/0x760 mm/mmap.c:605 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f32d999bf79 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f32d7bf6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f32d9c16180 RCX: 00007f32d999bf79 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f32d9a327e0 R08: 0000000000000006 R09: 000000002c93a000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f32d9c16218 R14: 00007f32d9c16180 R15: 00007ffe96b7a1d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x1204/0x13a0 mm/filemap.c:858 Code: 5a c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 e4 d0 27 ff 90 0f 0b e8 ac 5a c5 ff 4c 89 e7 48 c7 c6 c0 99 d7 8b e8 cd d0 27 ff 90 <0f> 0b e8 95 5a c5 ff 4c 89 e7 48 c7 c6 20 a5 d7 8b e8 b6 d0 27 ff RSP: 0000:ffffc9000cd0f1e0 EFLAGS: 00010246 RAX: 05496e29330a3f00 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8def38f2 RDI: 00000000ffffffff RBP: ffffc9000cd0f360 R08: ffffffff901195b7 R09: 1ffffffff20232b6 R10: dffffc0000000000 R11: fffffbfff20232b7 R12: ffffea00019607c0 R13: dffffc0000000000 R14: ffff888023a94200 R15: 0000000000000004 FS: 00007f32d7bf66c0(0000) GS:ffff888125560000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f899a646000 CR3: 0000000083678000 CR4: 00000000003526f0