bpf_prog_load kernel/bpf/syscall.c:2274 [inline]
 __sys_bpf+0x10908/0x11d60 kernel/bpf/syscall.c:4469
 __do_sys_bpf kernel/bpf/syscall.c:4573 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4571 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
page_owner free stack trace missing
------------[ cut here ]------------
WARNING: CPU: 0 PID: 30842 at mm/huge_memory.c:2327 unmap_page mm/huge_memory.c:2327 [inline]
WARNING: CPU: 0 PID: 30842 at mm/huge_memory.c:2327 split_huge_page_to_list+0x11da/0x1370 mm/huge_memory.c:2700
Modules linked in:
CPU: 0 PID: 30842 Comm: syz-executor.4 Not tainted 5.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:unmap_page mm/huge_memory.c:2327 [inline]
RIP: 0010:split_huge_page_to_list+0x11da/0x1370 mm/huge_memory.c:2700
Code: f7 48 c7 c6 40 49 3d 8a e8 a3 47 e9 ff 0f 0b e8 1c bd b3 ff 4c 89 ef 48 c7 c6 e0 4a 3d 8a e8 8d 47 e9 ff c6 05 e3 cb da 0b 01 <0f> 0b e9 d8 f4 ff ff e8 fa bc b3 ff 4c 89 ef e8 02 26 f5 ff 48 89
RSP: 0018:ffffc900016df6c0 EFLAGS: 00010246
RAX: 3c2cc43791a09400 RBX: ffffc900016df760 RCX: 0000000000040000
RDX: ffffc90017786000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900016df830 R08: ffffffff81d088a4 R09: ffffed10173897a8
R10: ffffed10173897a8 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffea00027e8000 R14: ffffea00027e8018 R15: ffffea00027e8008
FS:  00007fa72c3b4700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ac4ecc020 CR3: 000000001d126000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 split_huge_page include/linux/huge_mm.h:192 [inline]
 deferred_split_scan+0x66f/0xaf0 mm/huge_memory.c:2860
 do_shrink_slab+0x4e1/0xa00 mm/vmscan.c:712
 shrink_slab+0x1e6/0x340 mm/vmscan.c:872
 drop_slab_node mm/vmscan.c:906 [inline]
 drop_slab+0x175/0x250 mm/vmscan.c:916
 drop_caches_sysctl_handler+0xb1/0x160 fs/drop_caches.c:65
 proc_sys_call_handler+0x682/0x8f0 fs/proc/proc_sysctl.c:586
 call_write_iter include/linux/fs.h:2114 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xa39/0xc90 fs/read_write.c:605
 ksys_write+0x171/0x2a0 fs/read_write.c:658
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa72c3b4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe165b997f R14: 00007fa72c3b4300 R15: 0000000000022000