getname_flags+0xb8/0x540 fs/namei.c:146 do_readlinkat+0xbc/0x500 fs/stat.c:575 __do_sys_readlink fs/stat.c:613 [inline] __se_sys_readlink fs/stat.c:610 [inline] __x64_sys_readlink+0x7f/0x90 fs/stat.c:610 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:868! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 7903 Comm: syz.3.498 Not tainted 6.16.0-rc3-syzkaller-00116-ge34a79b96ab9 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867 Code: fd c8 ff 4c 89 e7 48 c7 c6 a0 37 94 8b e8 4b 99 0e 00 90 0f 0b e8 63 fd c8 ff 4c 89 e7 48 c7 c6 80 2e 94 8b e8 34 99 0e 00 90 <0f> 0b e8 4c fd c8 ff 4c 89 e7 48 c7 c6 a0 37 94 8b e8 1d 99 0e 00 RSP: 0018:ffffc9000b8c7680 EFLAGS: 00010246 RAX: 8ea7d0e7ec26cf00 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d96eaa2 RDI: 00000000ffffffff RBP: ffffc9000b8c77e8 R08: ffffffff8f9fe1f7 R09: 1ffffffff1f3fc3e R10: dffffc0000000000 R11: fffffbfff1f3fc3f R12: ffffea0000cb2e00 R13: dffffc0000000000 R14: ffffea0000cb2e08 R15: 0000000000000004 FS: 000055556f30e500(0000) GS:ffff888125d83000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3316163d58 CR3: 0000000032b0c000 CR4: 00000000003526f0 Call Trace: filemap_add_folio+0xd5/0x270 mm/filemap.c:969 ra_alloc_folio mm/readahead.c:448 [inline] page_cache_ra_order+0x74c/0xc70 mm/readahead.c:509 do_sync_mmap_readahead+0x4b5/0x5f0 mm/filemap.c:3271 filemap_fault+0x62a/0x1200 mm/filemap.c:3412 __do_fault+0x135/0x390 mm/memory.c:5169 do_shared_fault mm/memory.c:5654 [inline] do_fault mm/memory.c:5728 [inline] do_pte_missing mm/memory.c:4251 [inline] handle_pte_fault mm/memory.c:6069 [inline] __handle_mm_fault+0x198b/0x5620 mm/memory.c:6212 handle_mm_fault+0x2d5/0x7f0 mm/memory.c:6381 do_user_addr_fault+0xa81/0x1390 arch/x86/mm/fault.c:1336 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f49ebb56698 Code: fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5 RSP: 002b:00007ffc5c3ed538 EFLAGS: 00010202 RAX: 00002000000001c0 RBX: 0000000000000004 RCX: 0072736d2f232f75 RDX: 000000000000000f RSI: 7570632f7665642f RDI: 00002000000001c0 RBP: 00007f49ebdb7ba0 R08: 00007f49eba00000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000009 R12: 00007f49ebdb5fac R13: 00007ffc5c3ed630 R14: fffffffffffffffe R15: 00007ffc5c3ed650 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867 Code: fd c8 ff 4c 89 e7 48 c7 c6 a0 37 94 8b e8 4b 99 0e 00 90 0f 0b e8 63 fd c8 ff 4c 89 e7 48 c7 c6 80 2e 94 8b e8 34 99 0e 00 90 <0f> 0b e8 4c fd c8 ff 4c 89 e7 48 c7 c6 a0 37 94 8b e8 1d 99 0e 00 RSP: 0018:ffffc9000b8c7680 EFLAGS: 00010246 RAX: 8ea7d0e7ec26cf00 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d96eaa2 RDI: 00000000ffffffff RBP: ffffc9000b8c77e8 R08: ffffffff8f9fe1f7 R09: 1ffffffff1f3fc3e R10: dffffc0000000000 R11: fffffbfff1f3fc3f R12: ffffea0000cb2e00 R13: dffffc0000000000 R14: ffffea0000cb2e08 R15: 0000000000000004 FS: 000055556f30e500(0000) GS:ffff888125d83000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005647b6d86168 CR3: 0000000032b0c000 CR4: 00000000003526f0