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kernel BUG at mm/hugetlb.c:2360!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:alloc_hugetlb_folio_reserve+0xc3/0xd0 mm/hugetlb.c:2360
Code: e8 e2 1b a4 ff 48 c7 c7 80 66 c1 8d e8 c6 f6 3c 09 4c 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 be 1b a4 ff 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d11f830 EFLAGS: 00010083
RAX: ffffffff821bb492 RBX: ffffffff99863468 RCX: 0000000000100000
RDX: ffffc9000dfa2000 RSI: 0000000000000397 RDI: 0000000000000398
RBP: 0000000000142cc0 R08: ffffea000047002f R09: 1ffffd400008e005
R10: dffffc0000000000 R11: fffff9400008e006 R12: dffffc0000000000
R13: 1ffffffff330c68d R14: ffffea0000470000 R15: 0000000000000000
FS:  00007f7903cbd6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 000000003db62000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 memfd_alloc_folio+0x1bf/0x380 mm/memfd.c:88
 memfd_pin_folios+0xe9c/0x13d0 mm/gup.c:3733
 udmabuf_pin_folios drivers/dma-buf/udmabuf.c:346 [inline]
 udmabuf_create+0x7b5/0xf70 drivers/dma-buf/udmabuf.c:443
 udmabuf_ioctl_create drivers/dma-buf/udmabuf.c:495 [inline]
 udmabuf_ioctl+0x1d1/0x2c0 drivers/dma-buf/udmabuf.c:526
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7902d8e969
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:00007f7903cbd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7902fb5fa0 RCX: 00007f7902d8e969
RDX: 0000200000000040 RSI: 0000000040187542 RDI: 0000000000000006
RBP: 00007f7902e10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7902fb5fa0 R15: 00007ffdf8193068
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:alloc_hugetlb_folio_reserve+0xc3/0xd0 mm/hugetlb.c:2360
Code: e8 e2 1b a4 ff 48 c7 c7 80 66 c1 8d e8 c6 f6 3c 09 4c 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 be 1b a4 ff 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000d11f830 EFLAGS: 00010083
RAX: ffffffff821bb492 RBX: ffffffff99863468 RCX: 0000000000100000
RDX: ffffc9000dfa2000 RSI: 0000000000000397 RDI: 0000000000000398
RBP: 0000000000142cc0 R08: ffffea000047002f R09: 1ffffd400008e005
R10: dffffc0000000000 R11: fffff9400008e006 R12: dffffc0000000000
R13: 1ffffffff330c68d R14: ffffea0000470000 R15: 0000000000000000
FS:  00007f7903cbd6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 000000003db62000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400