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kernel BUG at mm/hugetlb.c:2333!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 6731 Comm: syz.0.16 Not tainted 6.14.0-rc5-syzkaller-g2a520073e74f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:alloc_hugetlb_folio_reserve+0xbc/0xc0 mm/hugetlb.c:2333
Code: 1f eb 05 e8 36 4f 9f ff 48 c7 c7 40 56 81 8e e8 6a f6 e8 09 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 15 4f 9f ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc900033377f8 EFLAGS: 00010093
RAX: ffffffff82228fdb RBX: 0000000000000000 RCX: ffff888030c08000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffffff34d5cd1 R08: ffffffff82228f93 R09: 1ffffd40002db005
R10: dffffc0000000000 R11: fffff940002db006 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffea00016d8000 R15: ffffffff9a6ae688
FS:  00007ff0c658f6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3115ffff CR3: 000000002f748000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 memfd_alloc_folio+0x1bd/0x370 mm/memfd.c:88
 memfd_pin_folios+0xf10/0x1570 mm/gup.c:3740
 udmabuf_pin_folios drivers/dma-buf/udmabuf.c:346 [inline]
 udmabuf_create+0x70e/0x10c0 drivers/dma-buf/udmabuf.c:443
 udmabuf_ioctl_create drivers/dma-buf/udmabuf.c:495 [inline]
 udmabuf_ioctl+0x301/0x4e0 drivers/dma-buf/udmabuf.c:526
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff0c578cda9
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:00007ff0c658f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff0c59a5fa0 RCX: 00007ff0c578cda9
RDX: 0000000020000040 RSI: 0000000040187542 RDI: 0000000000000004
RBP: 00007ff0c580e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff0c59a5fa0 R15: 00007fffb8f01938
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:alloc_hugetlb_folio_reserve+0xbc/0xc0 mm/hugetlb.c:2333
Code: 1f eb 05 e8 36 4f 9f ff 48 c7 c7 40 56 81 8e e8 6a f6 e8 09 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 15 4f 9f ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc900033377f8 EFLAGS: 00010093
RAX: ffffffff82228fdb RBX: 0000000000000000 RCX: ffff888030c08000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffffff34d5cd1 R08: ffffffff82228f93 R09: 1ffffd40002db005
R10: dffffc0000000000 R11: fffff940002db006 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffea00016d8000 R15: ffffffff9a6ae688
FS:  00007ff0c658f6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3115ffff CR3: 000000002f748000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400