do_replace net/ipv6/netfilter/ip6_tables.c:1158 [inline] do_ip6t_set_ctl+0xb4e/0xe10 net/ipv6/netfilter/ip6_tables.c:1644 nf_setsockopt+0x26f/0x290 net/netfilter/nf_sockopt.c:101 do_sock_setsockopt+0x17c/0x1b0 net/socket.c:2322 __sys_setsockopt net/socket.c:2347 [inline] __do_sys_setsockopt net/socket.c:2353 [inline] __se_sys_setsockopt net/socket.c:2350 [inline] __x64_sys_setsockopt+0x13d/0x1b0 net/socket.c:2350 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 NOPTI CPU: 1 UID: 0 PID: 16274 Comm: syz.5.2388 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/0x1350 mm/filemap.c:858 Code: 2a c5 ff 4c 89 e7 48 c7 c6 40 ae d7 8b e8 3c 86 27 ff 90 0f 0b e8 74 2a c5 ff 4c 89 e7 48 c7 c6 e0 a2 d7 8b e8 25 86 27 ff 90 <0f> 0b e8 5d 2a c5 ff 4c 89 e7 48 c7 c6 40 ae d7 8b e8 0e 86 27 ff RSP: 0018:ffffc90005e1f160 EFLAGS: 00010246 RAX: 2ad6c875f1e70e00 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8defbe6a RDI: 00000000ffffffff RBP: ffffc90005e1f2e0 R08: ffffffff9011dbb7 R09: 1ffffffff2023b76 R10: dffffc0000000000 R11: fffffbfff2023b77 R12: ffffea00013a4700 R13: dffffc0000000000 R14: ffffea00013a4708 R15: 0000000000000002 FS: 00007fcec67836c0(0000) GS:ffff888125554000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000032680 CR3: 000000004d204000 CR4: 0000000000350ef0 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_shared_fault mm/memory.c:5863 [inline] do_fault mm/memory.c:5937 [inline] do_pte_missing+0x5c4/0x3490 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 do_user_addr_fault+0x75b/0x1340 arch/x86/mm/fault.c:1385 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0010:copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline] RIP: 0010:raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline] RIP: 0010:_inline_copy_to_user include/linux/uaccess.h:206 [inline] RIP: 0010:_copy_to_user+0x85/0xb0 lib/usercopy.c:26 Code: e8 20 17 16 fd 4d 39 fc 72 3d 4d 39 ec 77 38 e8 b1 14 16 fd 4c 89 f7 89 de e8 97 69 80 fd 0f 01 cb 4c 89 ff 48 89 d9 4c 89 f6 a4 0f 1f 00 48 89 cb 0f 01 ca 48 89 d8 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc90005e1fb90 EFLAGS: 00050256 RAX: ffffffff84afaa01 RBX: 0000000000000008 RCX: 0000000000000008 RDX: 0000000000000000 RSI: ffffc90005e1fc20 RDI: 0000200000001a40 RBP: ffffc90005e1fc90 R08: ffffc90005e1fc27 R09: 1ffff92000bc3f84 R10: dffffc0000000000 R11: fffff52000bc3f85 R12: 0000200000001a48 R13: 00007ffffffff000 R14: ffffc90005e1fc20 R15: 0000200000001a40 copy_to_user include/linux/uaccess.h:236 [inline] msr_read+0x17a/0x250 arch/x86/kernel/msr.c:69 vfs_read+0x20c/0xa70 fs/read_write.c:572 ksys_read+0x150/0x270 fs/read_write.c:717 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: 0033:0x7fcec599c819 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:00007fcec6783028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fcec5c16090 RCX: 00007fcec599c819 RDX: 0000000000018ff8 RSI: 0000200000001a40 RDI: 0000000000000005 RBP: 00007fcec5a32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcec5c16128 R14: 00007fcec5c16090 R15: 00007fff37a01b38 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858 Code: 2a c5 ff 4c 89 e7 48 c7 c6 40 ae d7 8b e8 3c 86 27 ff 90 0f 0b e8 74 2a c5 ff 4c 89 e7 48 c7 c6 e0 a2 d7 8b e8 25 86 27 ff 90 <0f> 0b e8 5d 2a c5 ff 4c 89 e7 48 c7 c6 40 ae d7 8b e8 0e 86 27 ff RSP: 0018:ffffc90005e1f160 EFLAGS: 00010246 RAX: 2ad6c875f1e70e00 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8defbe6a RDI: 00000000ffffffff RBP: ffffc90005e1f2e0 R08: ffffffff9011dbb7 R09: 1ffffffff2023b76 R10: dffffc0000000000 R11: fffffbfff2023b77 R12: ffffea00013a4700 R13: dffffc0000000000 R14: ffffea00013a4708 R15: 0000000000000002 FS: 00007fcec67836c0(0000) GS:ffff888125554000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6f709e92f8 CR3: 000000004d204000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: e8 20 17 16 fd call 0xfd161725 5: 4d 39 fc cmp %r15,%r12 8: 72 3d jb 0x47 a: 4d 39 ec cmp %r13,%r12 d: 77 38 ja 0x47 f: e8 b1 14 16 fd call 0xfd1614c5 14: 4c 89 f7 mov %r14,%rdi 17: 89 de mov %ebx,%esi 19: e8 97 69 80 fd call 0xfd8069b5 1e: 0f 01 cb stac 21: 4c 89 ff mov %r15,%rdi 24: 48 89 d9 mov %rbx,%rcx 27: 4c 89 f6 mov %r14,%rsi * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: 0f 1f 00 nopl (%rax) 2f: 48 89 cb mov %rcx,%rbx 32: 0f 01 ca clac 35: 48 89 d8 mov %rbx,%rax 38: 5b pop %rbx 39: 41 5c pop %r12 3b: 41 5d pop %r13 3d: 41 5e pop %r14 3f: 41 rex.B