kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4948 [inline]
 slab_alloc_node mm/slub.c:5258 [inline]
 __do_kmalloc_node mm/slub.c:5651 [inline]
 __kmalloc_noprof+0x3cf/0x800 mm/slub.c:5664
 kmalloc_noprof include/linux/slab.h:961 [inline]
 tomoyo_realpath_from_path+0xe3/0x5d0 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x213/0x4b0 security/tomoyo/file.c:822
 security_inode_getattr+0x12f/0x330 security/security.c:1869
 vfs_getattr fs/stat.c:259 [inline]
 vfs_fstat fs/stat.c:281 [inline]
 __do_sys_newfstat fs/stat.c:555 [inline]
 __se_sys_newfstat fs/stat.c:550 [inline]
 __x64_sys_newfstat+0xfc/0x200 fs/stat.c:550
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/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: 7350 Comm: syz.1.1314 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__filemap_add_folio+0x118b/0x12d0 mm/filemap.c:858
Code: a0 c7 ff 4c 89 e7 48 c7 c6 c0 b1 94 8b e8 ad b5 2d ff 90 0f 0b e8 e5 a0 c7 ff 4c 89 e7 48 c7 c6 a0 a8 94 8b e8 96 b5 2d ff 90 <0f> 0b e8 ce a0 c7 ff 4c 89 e7 48 c7 c6 c0 b1 94 8b e8 7f b5 2d ff
RSP: 0018:ffffc9000d097300 EFLAGS: 00010246
RAX: 5be7f8989e0e1200 RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8da95064 RDI: 00000000ffffffff
RBP: ffffc9000d097480 R08: ffffffff8fc2d477 R09: 1ffffffff1f85a8e
R10: dffffc0000000000 R11: fffffbfff1f85a8f R12: ffffea0001725d00
R13: dffffc0000000000 R14: ffffea0001725d08 R15: 0000000000000004
FS:  00005555933e0500(0000) GS:ffff888125a03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f963fff CR3: 00000000290c0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x26d/0x540 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x6a7/0xe50 mm/readahead.c:512
 do_async_mmap_readahead mm/filemap.c:3436 [inline]
 filemap_fault+0x620/0x1290 mm/filemap.c:3535
 __do_fault+0x138/0x390 mm/memory.c:5320
 do_read_fault mm/memory.c:5755 [inline]
 do_fault mm/memory.c:5889 [inline]
 do_pte_missing+0x2206/0x3330 mm/memory.c:4401
 handle_pte_fault mm/memory.c:6273 [inline]
 __handle_mm_fault mm/memory.c:6411 [inline]
 handle_mm_fault+0x1b26/0x32b0 mm/memory.c:6580
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1650/0x29f0 mm/gup.c:1428
 populate_vma_page_range+0x29f/0x3a0 mm/gup.c:1860
 __mm_populate+0x24c/0x380 mm/gup.c:1963
 mm_populate include/linux/mm.h:3706 [inline]
 vm_mmap_pgoff+0x387/0x4d0 mm/util.c:586
 ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:604
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4553d8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc2fe09d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f4553fe5fa0 RCX: 00007f4553d8f749
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f4553e13f91 R08: 0000000000000004 R09: 000000002c93a000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4553fe5fa0 R14: 00007f4553fe5fa0 R15: 0000000000000006
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x118b/0x12d0 mm/filemap.c:858
Code: a0 c7 ff 4c 89 e7 48 c7 c6 c0 b1 94 8b e8 ad b5 2d ff 90 0f 0b e8 e5 a0 c7 ff 4c 89 e7 48 c7 c6 a0 a8 94 8b e8 96 b5 2d ff 90 <0f> 0b e8 ce a0 c7 ff 4c 89 e7 48 c7 c6 c0 b1 94 8b e8 7f b5 2d ff
RSP: 0018:ffffc9000d097300 EFLAGS: 00010246
RAX: 5be7f8989e0e1200 RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8da95064 RDI: 00000000ffffffff
RBP: ffffc9000d097480 R08: ffffffff8fc2d477 R09: 1ffffffff1f85a8e
R10: dffffc0000000000 R11: fffffbfff1f85a8f R12: ffffea0001725d00
R13: dffffc0000000000 R14: ffffea0001725d08 R15: 0000000000000004
FS:  00005555933e0500(0000) GS:ffff888125a03000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555755d2808 CR3: 00000000290c0000 CR4: 00000000003526f0