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BUG: KASAN: stack-out-of-bounds in __get_unaligned_cpu32 include/linux/unaligned/packed_struct.h:19 [inline]
BUG: KASAN: stack-out-of-bounds in jhash+0x200/0x740 include/linux/jhash.h:82
Read of size 4 at addr ffffc900034ff0e0 by task syz-executor.3/16110

CPU: 0 PID: 16110 Comm: syz-executor.3 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 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
 __get_unaligned_cpu32 include/linux/unaligned/packed_struct.h:19 [inline]
 jhash+0x200/0x740 include/linux/jhash.h:82
 hash+0x339/0x410 kernel/bpf/bloom_filter.c:31
 bloom_map_peek_elem+0xb2/0x1b0 kernel/bpf/bloom_filter.c:43
 bpf_prog_00798911c748094f+0x42/0x46
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:650 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run6+0x416/0x4d0 kernel/trace/bpf_trace.c:2424
 __bpf_trace_ext4_ext_remove_space_done+0x43/0x60 include/trace/events/ext4.h:2128
 trace_ext4_ext_remove_space_done include/trace/events/ext4.h:2128 [inline]
 ext4_ext_remove_space+0x4b84/0x4db0 fs/ext4/extents.c:3007
 ext4_ext_truncate+0x159/0x2b0 fs/ext4/extents.c:4440
 ext4_truncate+0xa08/0x1130 fs/ext4/inode.c:4146
 ext4_setattr+0x119a/0x1bb0 fs/ext4/inode.c:5454
 notify_change+0xb9d/0xe70 fs/attr.c:499
 do_truncate+0x220/0x310 fs/open.c:66
 handle_truncate fs/namei.c:3301 [inline]
 do_open fs/namei.c:3647 [inline]
 path_openat+0x29fe/0x3240 fs/namei.c:3800
 do_filp_open+0x235/0x490 fs/namei.c:3827
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407
 do_sys_open fs/open.c:1422 [inline]
 __do_sys_openat fs/open.c:1438 [inline]
 __se_sys_openat fs/open.c:1433 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1433
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fd78b07dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd78beb80c8 EFLAGS: 00000246
 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd78b1abf80 RCX: 00007fd78b07dea9
RDX: 0000000000007a05 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fd78b0ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001700 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd78b1abf80 R15: 00007ffec45e64d8
 </TASK>

The buggy address belongs to stack of task syz-executor.3/16110
 and is located at offset 0 in frame:
 bpf_trace_run6+0x0/0x4d0

This frame has 1 object:
 [32, 80) 'args'

The buggy address belongs to the virtual mapping at
 [ffffc900034f8000, ffffc90003501000) created by:
 copy_process+0x5d1/0x3df0 kernel/fork.c:2219

The buggy address belongs to the physical page:
page:ffffea00007802c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1e00b
memcg:ffff8880281b1702
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff ffff8880281b1702
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 16107, tgid 16107 (syz-executor.3), ts 489642380022, free_ts 489390482230
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533
 prep_new_page mm/page_alloc.c:1540 [inline]
 get_page_from_freelist+0x33ea/0x3580 mm/page_alloc.c:3311
 __alloc_pages+0x256/0x680 mm/page_alloc.c:4569
 alloc_pages_mpol+0x3de/0x650 mm/mempolicy.c:2133
 vm_area_alloc_pages mm/vmalloc.c:3135 [inline]
 __vmalloc_area_node mm/vmalloc.c:3211 [inline]
 __vmalloc_node_range+0x9a4/0x14a0 mm/vmalloc.c:3392
 alloc_thread_stack_node kernel/fork.c:309 [inline]
 dup_task_struct+0x3e9/0x7d0 kernel/fork.c:1114
 copy_process+0x5d1/0x3df0 kernel/fork.c:2219
 kernel_clone+0x21e/0x8d0 kernel/fork.c:2796
 __do_sys_clone3 kernel/fork.c:3097 [inline]
 __se_sys_clone3+0x2cb/0x350 kernel/fork.c:3081
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
page last free pid 7069 tgid 7069 stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1140 [inline]
 free_unref_page_prepare+0x968/0xa90 mm/page_alloc.c:2346
 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2486
 discard_slab mm/slub.c:2453 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:2922
 put_cpu_partial+0x17c/0x250 mm/slub.c:2997
 __slab_free+0x302/0x410 mm/slub.c:4166
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x5e/0xc0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3813 [inline]
 slab_alloc_node mm/slub.c:3860 [inline]
 kmem_cache_alloc+0x172/0x350 mm/slub.c:3867
 kmem_cache_zalloc include/linux/slab.h:701 [inline]
 jbd2_alloc_handle include/linux/jbd2.h:1591 [inline]
 new_handle fs/jbd2/transaction.c:476 [inline]
 jbd2__journal_start+0x17c/0x620 fs/jbd2/transaction.c:503
 __ext4_journal_start_sb+0x215/0x5b0 fs/ext4/ext4_jbd2.c:112
 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
 ext4_rmdir+0x51c/0xaa0 fs/ext4/namei.c:3175
 vfs_rmdir+0x367/0x4c0 fs/namei.c:4207
 do_rmdir+0x3b5/0x580 fs/namei.c:4266
 __do_sys_unlinkat fs/namei.c:4442 [inline]
 __se_sys_unlinkat fs/namei.c:4436 [inline]
 __x64_sys_unlinkat+0xe0/0xf0 fs/namei.c:4436
 do_syscall_64+0xfb/0x240

Memory state around the buggy address:
 ffffc900034fef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900034ff000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900034ff080: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
                                                       ^
 ffffc900034ff100: 00 00 00 00 00 00 f3 f3 f3 f3 f3 f3 00 00 00 00
 ffffc900034ff180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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