==================================================================
BUG: KASAN: stack-out-of-bounds in jhash2 include/linux/jhash.h:128 [inline]
BUG: KASAN: stack-out-of-bounds in hash+0x227/0xc20 kernel/bpf/bloom_filter.c:36
Read of size 4 at addr ffffc90000976d20 by task syz-executor.2/1572

CPU: 1 PID: 1572 Comm: syz-executor.2 Not tainted 6.1.75-syzkaller-00022-g34a15d350726 #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+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0x158/0x4e0 mm/kasan/report.c:427
 kasan_report+0x13c/0x170 mm/kasan/report.c:531
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
 jhash2 include/linux/jhash.h:128 [inline]
 hash+0x227/0xc20 kernel/bpf/bloom_filter.c:36
 bloom_map_peek_elem+0xac/0x1a0 kernel/bpf/bloom_filter.c:51
 bpf_prog_00798911c748094f+0x3a/0x3e
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:600 [inline]
 bpf_prog_run include/linux/filter.h:607 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline]
 bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2314
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:94
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0xce/0xf0 mm/slab_common.c:996
 kvfree+0x35/0x40 mm/util.c:639
 __vunmap+0xaa4/0xb60 mm/vmalloc.c:2733
 __vfree mm/vmalloc.c:2776 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2807
 bpf_prog_calc_tag+0x65f/0x8f0 kernel/bpf/core.c:343
 resolve_pseudo_ldimm64+0xe2/0x1240 kernel/bpf/verifier.c:13056
 bpf_check+0x57be/0x16560 kernel/bpf/verifier.c:15587
 bpf_prog_load+0x1304/0x1bf0 kernel/bpf/syscall.c:2605
 __sys_bpf+0x52c/0x7f0 kernel/bpf/syscall.c:4981
 __do_sys_bpf kernel/bpf/syscall.c:5085 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5083 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5083
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f432c67cee9
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:00007f432d43c0c8 EFLAGS: 00000246
 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f432c7abf80 RCX: 00007f432c67cee9
RDX: 0000000000000080 RSI: 0000000020000600 RDI: 0000000000000005
RBP: 00007f432c6c949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f432c7abf80 R15: 00007fffd67bbfd8
 </TASK>

The buggy address belongs to stack of task syz-executor.2/1572
 and is located at offset 0 in frame:
 bpf_trace_run2+0x0/0x290

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

The buggy address belongs to the virtual mapping at
 [ffffc90000970000, ffffc90000979000) created by:
 copy_process+0x5c3/0x3530 kernel/fork.c:2199

The buggy address belongs to the physical page:
page:ffffea0004829540 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x120a55
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 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 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 1516, tgid 1516 (syz-executor.0), ts 56408473197, free_ts 56382054169
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x213/0x220 mm/page_alloc.c:2590
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2597
 get_page_from_freelist+0x27ea/0x2870 mm/page_alloc.c:4425
 __alloc_pages+0x3a1/0x780 mm/page_alloc.c:5712
 __vmalloc_area_node mm/vmalloc.c:3062 [inline]
 __vmalloc_node_range+0x89b/0x1540 mm/vmalloc.c:3234
 alloc_thread_stack_node kernel/fork.c:318 [inline]
 dup_task_struct+0x3d6/0x7d0 kernel/fork.c:1080
 copy_process+0x5c3/0x3530 kernel/fork.c:2199
 kernel_clone+0x229/0x890 kernel/fork.c:2786
 __do_sys_clone3 kernel/fork.c:3087 [inline]
 __se_sys_clone3 kernel/fork.c:3071 [inline]
 __x64_sys_clone3+0x35c/0x390 kernel/fork.c:3071
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1498 [inline]
 free_pcp_prepare mm/page_alloc.c:1572 [inline]
 free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3498
 free_unref_page+0xb2/0x5c0 mm/page_alloc.c:3594
 free_the_page mm/page_alloc.c:798 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5801
 __vunmap+0x9f3/0xb60 mm/vmalloc.c:2728
 __vfree mm/vmalloc.c:2776 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2807
 kvfree+0x26/0x40 mm/util.c:637
 bpf_map_area_free+0x15/0x20 kernel/bpf/syscall.c:351
 sock_hash_free+0x5e3/0x650 net/core/sock_map.c:1176
 map_create+0x963/0xcf0 kernel/bpf/syscall.c:1193
 __sys_bpf+0x2e6/0x7f0 kernel/bpf/syscall.c:4963
 __do_sys_bpf kernel/bpf/syscall.c:5085 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5083 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5083
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffffc90000976c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90000976c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90000976d00: 00 00 00 00 f1 f1 f1 f1 00 00 f3 f3 00 00 00 00
                               ^
 ffffc90000976d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90000976e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
BUG: unable to handle page fault for address: ffffc90000978000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 100000067 P4D 100000067 PUD 100154067 PMD 10d15d067 
PTE 0
Oops: 0000 [#2] PREEMPT SMP KASAN
CPU: 1 PID: 1572 Comm: syz-executor.2 Tainted: G    B D            6.1.75-syzkaller-00022-g34a15d350726 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:jhash2 include/linux/jhash.h:127 [inline]
RIP: 0010:hash+0xfe/0xc20 kernel/bpf/bloom_filter.c:36
Code: fc ff df 0f b6 04 10 84 c0 0f 85 c1 00 00 00 45 03 6e f4 48 8d 7e 04 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 db 00 00 00 <41> 03 5e f8 48 8d 7e 08 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f
RSP: 0018:ffffc90000976c28 EFLAGS: 00010282

RAX: 0000000000000000 RBX: 00000000748fbe87 RCX: ffffffff8191d5d5
RDX: dffffc0000000000 RSI: ffffc90000977ffc RDI: ffffc90000978000
RBP: ffffc90000976c68 R08: 000000003ffff0a5 R09: fffffbfff0f260fd
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000c59eab07
R13: 00000000d27f48c1 R14: ffffc90000978008 R15: ffffc90000977ffc
FS:  00007f432d43c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000978000 CR3: 0000000133961000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bloom_map_peek_elem+0xac/0x1a0 kernel/bpf/bloom_filter.c:51
 bpf_prog_00798911c748094f+0x3a/0x3e
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:600 [inline]
 bpf_prog_run include/linux/filter.h:607 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline]
 bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2314
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:94
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0xce/0xf0 mm/slab_common.c:996
 kvfree+0x35/0x40 mm/util.c:639
 __vunmap+0xaa4/0xb60 mm/vmalloc.c:2733
 __vfree mm/vmalloc.c:2776 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2807
 bpf_prog_calc_tag+0x65f/0x8f0 kernel/bpf/core.c:343
 resolve_pseudo_ldimm64+0xe2/0x1240 kernel/bpf/verifier.c:13056
 bpf_check+0x57be/0x16560 kernel/bpf/verifier.c:15587
 bpf_prog_load+0x1304/0x1bf0 kernel/bpf/syscall.c:2605
 __sys_bpf+0x52c/0x7f0 kernel/bpf/syscall.c:4981
 __do_sys_bpf kernel/bpf/syscall.c:5085 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5083 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5083
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f432c67cee9
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:00007f432d43c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f432c7abf80 RCX: 00007f432c67cee9
RDX: 0000000000000080 RSI: 0000000020000600 RDI: 0000000000000005
RBP: 00007f432c6c949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f432c7abf80 R15: 00007fffd67bbfd8
 </TASK>
Modules linked in:
CR2: ffffc90000978000
---[ end trace 0000000000000000 ]---
RIP: 0010:jhash2 include/linux/jhash.h:127 [inline]
RIP: 0010:hash+0xfe/0xc20 kernel/bpf/bloom_filter.c:36
Code: fc ff df 0f b6 04 10 84 c0 0f 85 c1 00 00 00 45 03 6e f4 48 8d 7e 04 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 db 00 00 00 <41> 03 5e f8 48 8d 7e 08 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f
RSP: 0018:ffffc90000006fe8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 00000000b9d2f346 RCX: ffffffff8191d5d5
RDX: dffffc0000000000 RSI: ffffc90000007ffc RDI: ffffc90000008000
RBP: ffffc90000007028 R08: 000000003ffff195 R09: ffffed1021b98f25
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000b67ca4e2
R13: 0000000029a7a642 R14: ffffc90000008008 R15: ffffc90000007ffc
FS:  00007f432d43c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000978000 CR3: 0000000133961000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	df 0f                	fisttps (%rdi)
   2:	b6 04                	mov    $0x4,%dh
   4:	10 84 c0 0f 85 c1 00 	adc    %al,0xc1850f(%rax,%rax,8)
   b:	00 00                	add    %al,(%rax)
   d:	45 03 6e f4          	add    -0xc(%r14),%r13d
  11:	48 8d 7e 04          	lea    0x4(%rsi),%rdi
  15:	48 89 f8             	mov    %rdi,%rax
  18:	48 c1 e8 03          	shr    $0x3,%rax
  1c:	0f b6 04 10          	movzbl (%rax,%rdx,1),%eax
  20:	84 c0                	test   %al,%al
  22:	0f 85 db 00 00 00    	jne    0x103
* 28:	41 03 5e f8          	add    -0x8(%r14),%ebx <-- trapping instruction
  2c:	48 8d 7e 08          	lea    0x8(%rsi),%rdi
  30:	48 89 f8             	mov    %rdi,%rax
  33:	48 c1 e8 03          	shr    $0x3,%rax
  37:	0f b6 04 10          	movzbl (%rax,%rdx,1),%eax
  3b:	84 c0                	test   %al,%al
  3d:	0f                   	.byte 0xf