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BUG: KASAN: slab-use-after-free in consumer_filter kernel/events/uprobes.c:869 [inline]
BUG: KASAN: slab-use-after-free in filter_chain kernel/events/uprobes.c:880 [inline]
BUG: KASAN: slab-use-after-free in uprobe_mmap+0xb9a/0x11a0 kernel/events/uprobes.c:1387
Read of size 8 at addr ffff88802f1442b0 by task syz.1.2304/14628

CPU: 0 UID: 0 PID: 14628 Comm: syz.1.2304 Not tainted 6.10.0-next-20240725-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:488
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 consumer_filter kernel/events/uprobes.c:869 [inline]
 filter_chain kernel/events/uprobes.c:880 [inline]
 uprobe_mmap+0xb9a/0x11a0 kernel/events/uprobes.c:1387
 mmap_region+0x1891/0x2090 mm/mmap.c:3058
 do_mmap+0x8f9/0x1010 mm/mmap.c:1468
 vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588
 ksys_mmap_pgoff+0x4f1/0x720 mm/mmap.c:1514
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fda27d75f19
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:00007fda28b09048 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fda27f06110 RCX: 00007fda27d75f19
RDX: 0000000000000001 RSI: 0000000000003000 RDI: 0000000020000000
RBP: 00007fda27de4e68 R08: 000000000000000a R09: 0000000000000000
R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fda27f06110 R15: 00007ffcb931a678
 </TASK>

Allocated by task 14497:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slub.c:4158 [inline]
 __kmalloc_node_noprof+0x22a/0x440 mm/slub.c:4164
 __kvmalloc_node_noprof+0x72/0x190 mm/util.c:650
 f2fs_kvmalloc fs/f2fs/f2fs.h:3416 [inline]
 f2fs_kvzalloc fs/f2fs/f2fs.h:3422 [inline]
 init_free_nid_cache fs/f2fs/node.c:3310 [inline]
 f2fs_build_node_manager+0x1385/0x2870 fs/f2fs/node.c:3343
 f2fs_fill_super+0x5328/0x7b80 fs/f2fs/super.c:4581
 mount_bdev+0x20a/0x2d0 fs/super.c:1668
 legacy_get_tree+0xee/0x190 fs/fs_context.c:662
 vfs_get_tree+0x90/0x2a0 fs/super.c:1789
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 13264:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2252 [inline]
 slab_free mm/slub.c:4473 [inline]
 kfree+0x149/0x360 mm/slub.c:4594
 f2fs_destroy_node_manager+0xad1/0xd20 fs/f2fs/node.c:3418
 f2fs_put_super+0xad9/0x1150 fs/f2fs/super.c:1661
 generic_shutdown_super+0x136/0x2d0 fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1685
 kill_f2fs_super+0x344/0x690 fs/f2fs/super.c:4898
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x24f/0x310 kernel/task_work.c:222
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88802f144280
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 48 bytes inside of
 freed 64-byte region [ffff88802f144280, ffff88802f1442c0)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2f144
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xfdffffff(slab)
raw: 00fff00000000000 ffff8880158418c0 ffffea0000af37c0 dead000000000004
raw: 0000000000000000 0000000000200020 00000001fdffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 62, tgid 62 (kworker/u8:4), ts 20060180773, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1493
 prep_new_page mm/page_alloc.c:1501 [inline]
 get_page_from_freelist+0x2e4c/0x2f10 mm/page_alloc.c:3442
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4700
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x5f/0x120 mm/slub.c:2321
 allocate_slab+0x5a/0x2f0 mm/slub.c:2484
 new_slab mm/slub.c:2537 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3723
 __slab_alloc+0x58/0xa0 mm/slub.c:3813
 __slab_alloc_node mm/slub.c:3866 [inline]
 slab_alloc_node mm/slub.c:4025 [inline]
 __do_kmalloc_node mm/slub.c:4157 [inline]
 __kmalloc_noprof+0x25a/0x400 mm/slub.c:4170
 kmalloc_noprof include/linux/slab.h:685 [inline]
 kzalloc_noprof include/linux/slab.h:807 [inline]
 lsm_task_alloc security/security.c:691 [inline]
 security_task_alloc+0x43/0x130 security/security.c:3038
 copy_process+0x1692/0x3d90 kernel/fork.c:2358
 kernel_clone+0x226/0x8f0 kernel/fork.c:2788
 user_mode_thread+0x132/0x1a0 kernel/fork.c:2866
 call_usermodehelper_exec_work+0x5c/0x230 kernel/umh.c:172
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802f144180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
 ffff88802f144200: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc
>ffff88802f144280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
                                     ^
 ffff88802f144300: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
 ffff88802f144380: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
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