qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4612 [inline]
 slab_alloc_node mm/slub.c:4945 [inline]
 kmem_cache_alloc_noprof+0x2a0/0x5f0 mm/slub.c:4959
 alloc_filename fs/namei.c:147 [inline]
 do_getname+0x2e/0x250 fs/namei.c:187
 getname_flags fs/namei.c:230 [inline]
 class_filename_flags_constructor include/linux/fs.h:2566 [inline]
 user_path_at+0x2a/0x160 fs/namei.c:3640
 inotify_find_inode fs/notify/inotify/inotify_user.c:377 [inline]
 __do_sys_inotify_add_watch fs/notify/inotify/inotify_user.c:772 [inline]
 __se_sys_inotify_add_watch+0x18a/0xf30 fs/notify/inotify/inotify_user.c:730
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 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: 0 UID: 0 PID: 24853 Comm: syz.5.3651 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026
RIP: 0010:__filemap_add_folio+0x11ee/0x1360 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 20 f6 f7 8b e8 3c f1 22 ff 90 0f 0b e8 64 44 c1 ff 48 8b 7c 24 08 48 c7 c6 e0 ea f7 8b e8 23 f1 22 ff 90 <0f> 0b e8 4b 44 c1 ff 4c 89 f7 48 c7 c6 20 f6 f7 8b e8 0c f1 22 ff
RSP: 0018:ffffc9000cdaf2c0 EFLAGS: 00010246
RAX: 891e0485a6926800 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8e22bfa8 RDI: 00000000ffffffff
RBP: ffffc9000cdaf440 R08: ffffffff905786f7 R09: 1ffffffff20af0de
R10: dffffc0000000000 R11: fffffbfff20af0df R12: dffffc0000000000
R13: ffff88802395e4c0 R14: 0000000000000002 R15: ffff88802395e5d8
FS:  00007effd4a406c0(0000) GS:ffff888124f54000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f149803eff8 CR3: 0000000012145000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x25e/0x530 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:470 [inline]
 page_cache_ra_order+0x6d1/0xee0 mm/readahead.c:535
 filemap_get_pages+0x4a9/0x1ec0 mm/filemap.c:2704
 filemap_splice_read+0x61b/0xd60 mm/filemap.c:3093
 do_splice_read fs/splice.c:980 [inline]
 splice_direct_to_actor+0x48b/0xcb0 fs/splice.c:1084
 do_splice_direct_actor fs/splice.c:1202 [inline]
 do_splice_direct+0x195/0x290 fs/splice.c:1228
 do_sendfile+0x52e/0x7c0 fs/read_write.c:1371
 __do_sys_sendfile64 fs/read_write.c:1432 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1418
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7effd3b9de99
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:00007effd4a40028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007effd3e25fa0 RCX: 00007effd3b9de99
RDX: 0000000000000000 RSI: 000000000000000b RDI: 000000000000000a
RBP: 00007effd3c33eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007effd3e26038 R14: 00007effd3e25fa0 R15: 00007ffc5ba70318
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ee/0x1360 mm/filemap.c:858
Code: ff 4c 89 f7 48 c7 c6 20 f6 f7 8b e8 3c f1 22 ff 90 0f 0b e8 64 44 c1 ff 48 8b 7c 24 08 48 c7 c6 e0 ea f7 8b e8 23 f1 22 ff 90 <0f> 0b e8 4b 44 c1 ff 4c 89 f7 48 c7 c6 20 f6 f7 8b e8 0c f1 22 ff
RSP: 0018:ffffc9000cdaf2c0 EFLAGS: 00010246
RAX: 891e0485a6926800 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8e22bfa8 RDI: 00000000ffffffff
RBP: ffffc9000cdaf440 R08: ffffffff905786f7 R09: 1ffffffff20af0de
R10: dffffc0000000000 R11: fffffbfff20af0df R12: dffffc0000000000
R13: ffff88802395e4c0 R14: 0000000000000002 R15: ffff88802395e5d8
FS:  00007effd4a406c0(0000) GS:ffff888125054000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff03daa0d58 CR3: 0000000012145000 CR4: 0000000000350ef0