__slab_free+0x326/0x400 mm/slub.c:4554
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4148 [inline]
 slab_alloc_node mm/slub.c:4197 [inline]
 kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4204
 getname_flags+0xb8/0x540 fs/namei.c:146
 getname include/linux/fs.h:2903 [inline]
 do_sys_openat2+0xbc/0x1c0 fs/open.c:1431
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_openat fs/open.c:1468 [inline]
 __se_sys_openat fs/open.c:1463 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1463
 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:3442!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 18215 Comm: syz.6.3050 Not tainted 6.15.0-syzkaller-12293-g7fdaba912981 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:filemap_fault+0x117d/0x1200 mm/filemap.c:3442
Code: 38 c1 0f 8c 8e fc ff ff 4c 89 e7 e8 5d 5f 29 00 e9 81 fc ff ff e8 83 18 c8 ff 48 89 df 48 c7 c6 a0 2e 94 8b e8 c4 a7 0d 00 90 <0f> 0b e8 6c 18 c8 ff 48 8b 3c 24 48 c7 c6 20 35 94 8b e8 ac a7 0d
RSP: 0018:ffffc9000b4bf280 EFLAGS: 00010246
RAX: 605fe0f4379cd300 RBX: ffffea0001353d80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8d96929a RDI: 00000000ffffffff
RBP: ffffc9000b4bf3b8 R08: ffffffff8f9fd6f7 R09: 1ffffffff1f3fade
R10: dffffc0000000000 R11: fffffbfff1f3fadf R12: dffffc0000000000
R13: 1ffffd400026a7b1 R14: ffffea0001353d98 R15: ffffea0001353d88
FS:  00007fa990c6c6c0(0000) GS:ffff888125c89000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32b07ff8 CR3: 0000000034cec000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __do_fault+0x135/0x390 mm/memory.c:5189
 do_shared_fault mm/memory.c:5674 [inline]
 do_fault mm/memory.c:5748 [inline]
 do_pte_missing mm/memory.c:4251 [inline]
 handle_pte_fault mm/memory.c:6089 [inline]
 __handle_mm_fault+0x198b/0x5620 mm/memory.c:6232
 handle_mm_fault+0x2d5/0x7f0 mm/memory.c:6401
 faultin_page mm/gup.c:1186 [inline]
 __get_user_pages+0x1af4/0x30b0 mm/gup.c:1488
 __get_user_pages_locked mm/gup.c:1754 [inline]
 faultin_page_range+0x257/0x890 mm/gup.c:1978
 madvise_populate mm/madvise.c:972 [inline]
 madvise_do_behavior+0x232/0x2e70 mm/madvise.c:1729
 do_madvise+0x174/0x220 mm/madvise.c:1824
 __do_sys_madvise mm/madvise.c:1833 [inline]
 __se_sys_madvise mm/madvise.c:1831 [inline]
 __x64_sys_madvise+0xa7/0xc0 mm/madvise.c:1831
 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
RIP: 0033:0x7fa98fd8e929
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:00007fa990c6c038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fa98ffb6080 RCX: 00007fa98fd8e929
RDX: 0000000000000017 RSI: 0000000000c00000 RDI: 0000200000000000
RBP: 00007fa98fe10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa98ffb6080 R15: 00007fff128c81d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_fault+0x117d/0x1200 mm/filemap.c:3442
Code: 38 c1 0f 8c 8e fc ff ff 4c 89 e7 e8 5d 5f 29 00 e9 81 fc ff ff e8 83 18 c8 ff 48 89 df 48 c7 c6 a0 2e 94 8b e8 c4 a7 0d 00 90 <0f> 0b e8 6c 18 c8 ff 48 8b 3c 24 48 c7 c6 20 35 94 8b e8 ac a7 0d
RSP: 0018:ffffc9000b4bf280 EFLAGS: 00010246
RAX: 605fe0f4379cd300 RBX: ffffea0001353d80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8d96929a RDI: 00000000ffffffff
RBP: ffffc9000b4bf3b8 R08: ffffffff8f9fd6f7 R09: 1ffffffff1f3fade
R10: dffffc0000000000 R11: fffffbfff1f3fadf R12: dffffc0000000000
R13: 1ffffd400026a7b1 R14: ffffea0001353d98 R15: ffffea0001353d88
FS:  00007fa990c6c6c0(0000) GS:ffff888125c89000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32b07ff8 CR3: 0000000034cec000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400