ipv6_getsockopt+0x1fd/0x2b0 net/ipv6/ipv6_sockglue.c:1464 do_sock_getsockopt+0x2d3/0x3f0 net/socket.c:2441 __sys_getsockopt net/socket.c:2470 [inline] __do_sys_getsockopt net/socket.c:2477 [inline] __se_sys_getsockopt net/socket.c:2474 [inline] __x64_sys_getsockopt+0x1a4/0x240 net/socket.c:2474 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:860! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 20810 Comm: syz.5.4253 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:__filemap_add_folio+0x11bc/0x1330 mm/filemap.c:859 Code: f4 c4 ff 4c 89 e7 48 c7 c6 00 b5 d7 8b e8 fc f0 26 ff 90 0f 0b e8 f4 f3 c4 ff 4c 89 e7 48 c7 c6 60 a9 d7 8b e8 e5 f0 26 ff 90 <0f> 0b e8 dd f3 c4 ff 4c 89 e7 48 c7 c6 00 b5 d7 8b e8 ce f0 26 ff RSP: 0018:ffffc90006cd71e0 EFLAGS: 00010246 RAX: 2bd63ae6e750f000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8dfc0ce0 RDI: 00000000ffffffff RBP: ffffc90006cd7360 R08: ffffffff9031b4f7 R09: 1ffffffff206369e R10: dffffc0000000000 R11: fffffbfff206369f R12: ffffea000084a280 R13: dffffc0000000000 R14: ffffea000084a288 R15: 0000000000000004 FS: 00007f28049f66c0(0000) GS:ffff88812525c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2142f456b8 CR3: 000000003a30c000 CR4: 00000000003526f0 Call Trace: filemap_add_folio+0x264/0x530 mm/filemap.c:967 ra_alloc_folio mm/readahead.c:456 [inline] page_cache_ra_order+0x6a9/0xe80 mm/readahead.c:515 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3406 filemap_fault+0x703/0x1300 mm/filemap.c:3555 __do_fault+0x3e7/0x590 mm/memory.c:5501 do_read_fault mm/memory.c:5936 [inline] do_fault mm/memory.c:6070 [inline] do_pte_missing+0x2093/0x33f0 mm/memory.c:4550 handle_pte_fault mm/memory.c:6454 [inline] __handle_mm_fault mm/memory.c:6592 [inline] handle_mm_fault+0x1bd7/0x3170 mm/memory.c:6761 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1683/0x2720 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:4137 [inline] vm_mmap_pgoff+0x3aa/0x4f0 mm/util.c:586 ksys_mmap_pgoff+0x51e/0x760 mm/mmap.c:606 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f280679c819 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:00007f28049f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f2806a16090 RCX: 00007f280679c819 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f2806832c91 R08: 0000000000000004 R09: 000000002c93a000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2806a16128 R14: 00007f2806a16090 R15: 00007ffff38acec8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11bc/0x1330 mm/filemap.c:859 Code: f4 c4 ff 4c 89 e7 48 c7 c6 00 b5 d7 8b e8 fc f0 26 ff 90 0f 0b e8 f4 f3 c4 ff 4c 89 e7 48 c7 c6 60 a9 d7 8b e8 e5 f0 26 ff 90 <0f> 0b e8 dd f3 c4 ff 4c 89 e7 48 c7 c6 00 b5 d7 8b e8 ce f0 26 ff RSP: 0018:ffffc90006cd71e0 EFLAGS: 00010246 RAX: 2bd63ae6e750f000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8dfc0ce0 RDI: 00000000ffffffff RBP: ffffc90006cd7360 R08: ffffffff9031b4f7 R09: 1ffffffff206369e R10: dffffc0000000000 R11: fffffbfff206369f R12: ffffea000084a280 R13: dffffc0000000000 R14: ffffea000084a288 R15: 0000000000000004 FS: 00007f28049f66c0(0000) GS:ffff88812525c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557c16559950 CR3: 000000003a30c000 CR4: 00000000003526f0