__sys_bpf+0x34c/0x6d0 kernel/bpf/syscall.c:4953
 __do_sys_bpf kernel/bpf/syscall.c:5069 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5067 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5067
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
------------[ cut here ]------------
WARNING: CPU: 1 PID: 21797 at mm/huge_memory.c:2465 __split_huge_page_tail+0x81c/0x1080 mm/huge_memory.c:2465
Modules linked in:
CPU: 1 PID: 21797 Comm: syz-executor.5 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:__split_huge_page_tail+0x81c/0x1080 mm/huge_memory.c:2465
Code: ff ff e8 c7 9c a6 ff 48 ff cb e9 1a fd ff ff e8 ba 9c a6 ff 4c 89 ef 48 c7 c6 80 5d bb 8a e8 6b f0 e3 ff c6 05 d0 17 30 0c 01 <0f> 0b e9 cb fb ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 29 f8 ff
RSP: 0018:ffffc90015d570e8 EFLAGS: 00010046
RAX: 8a23f3aa0f333800 RBX: 1ffffd40001e677d RCX: ffffffff8169265b
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e278328
RBP: ffffea0000f30008 R08: dffffc0000000000 R09: fffffbfff1c4f066
R10: fffffbfff1c4f066 R11: 1ffffffff1c4f065 R12: ffffea0000f33bc0
R13: ffffea0000f30000 R14: 1ffffd40001e6001 R15: ffffea0000f33be8
FS:  00007f8aa25ff700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ec29000 CR3: 000000001e690000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 __split_huge_page+0x403/0x1df0 mm/huge_memory.c:2527
 split_huge_page_to_list+0x101d/0x1c90 mm/huge_memory.c:2756
 split_huge_page include/linux/huge_mm.h:188 [inline]
 madvise_free_huge_pmd+0x5a0/0xfa0 mm/huge_memory.c:1600
 madvise_free_pte_range+0x1cd/0x1f70 mm/madvise.c:611
 walk_pmd_range mm/pagewalk.c:128 [inline]
 walk_pud_range mm/pagewalk.c:205 [inline]
 walk_p4d_range mm/pagewalk.c:240 [inline]
 walk_pgd_range+0xbc5/0x1470 mm/pagewalk.c:277
 __walk_page_range+0x132/0x5b0 mm/pagewalk.c:379
 walk_page_range+0x513/0x6f0 mm/pagewalk.c:477
 madvise_free_single_vma mm/madvise.c:762 [inline]
 madvise_dontneed_free+0xe4c/0x1540 mm/madvise.c:878
 madvise_vma_behavior mm/madvise.c:1015 [inline]
 madvise_walk_vmas mm/madvise.c:1240 [inline]
 do_madvise+0x7d3/0x2000 mm/madvise.c:1419
 __do_sys_madvise mm/madvise.c:1432 [inline]
 __se_sys_madvise mm/madvise.c:1430 [inline]
 __x64_sys_madvise+0xa2/0xb0 mm/madvise.c:1430
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8aa328b5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8aa25ff168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f8aa33abf80 RCX: 00007f8aa328b5a9
RDX: 0000000000000008 RSI: 0000000000400000 RDI: 0000000020495000
RBP: 00007f8aa32e67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff5b2499ff R14: 00007f8aa25ff300 R15: 0000000000022000
 </TASK>