program:
r0 = memfd_create(&(0x7f0000000480)='\xff\x00l\x1e\xa0</\x00\x8eO4._\x14zC\x8a\xe8\xe0u\xe0\xff\xf1\xb2\xfd\xf6nz\x05-]\xc2Vk\xaeky\xd3\x83\xe2\xc7\xd3\xe6M^\x98ox\x14\t\xe9Q1\x1dK\x9a\x045\xd37\xb22\xfdD(\xd2\xdd\xa0\xff\x0f\x00\x00\x00\x00\x00\x00v\n\xd8?]k\x14N\x18\xf4\xc2j\xed6g\xfd\xd2\xd4\xe3\x1f\xa6 \xa0\x8d\xb5\x9aE<2`]<\x8cR\xd69\x0fO\xbf\xc3\xbd\xb0\x96\x90\x91k\x86\x1a\x10\xd2\xf5\x8b\xfc\xf4\xd0[\x12\xf5+\x1aS\x02/Yx\xf2jJb\x97\x9c/\x1f5i\xc6\x861\x9a\xff\xc3\xe7\xbfU\xd5\xac\xccB=\x8f\xfd\x84\xeepQ\x93nn\x0f\xc6\xa9?\xad\x8b~\x96@i=G\x9ft\x1d\xcc\xc6Ys7\x7f\x8ehv\xd3$\x13s\xa0\xbfi\xfaFS\xa9=Xe\xf8tI\x15\x882\x8b\x8e-X\xb8\xf2\x9du\x15S^\xec\xce\xfaf$S\x9f\xe7Ed\n\x84\\ u\xd2\x16\xc1\xa5\xa0\xaa\xe8.i\xc8\x0e\vt\xe2\xf1lA\x93\xdd\xce\x8f$\x06v\xbe\xe7\x95nN\xc5\xaa\x1ev\xc6P\x9c\\G&y\x8bYA\xc3}\xd9\x86[\xb2\xf3\x0f\x90%\xcb\x81\xe8\xea\xbcs\x95\xe9\x8eXH\x19m\xdfOY\xf1E9-\xc8\xe7\x13^+(\x034\x82\xafiOO\x14\x8f^\x8c', 0x7)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0xa, 0x12, r0, 0x0)
fcntl$addseals(r0, 0x409, 0x2)
r1 = openat$udambuf(0xffffff9c, &(0x7f0000000000), 0x2)
ioctl$UDMABUF_CREATE(r1, 0x40187542, &(0x7f0000000040)={r0, 0x1, 0x0, 0x8000})

[   72.598087][ T5304] Bluetooth: hci0: command tx timeout
[   72.668978][ T5320] ------------[ cut here ]------------
[   72.670921][ T5320] kernel BUG at mm/hugetlb.c:2333!
[   72.673108][ T5320] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   72.675727][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.14.0-rc2-syzkaller-00039-g09fbf3d50205 #0
[   72.679525][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[   72.684222][ T5320] RIP: 0010:alloc_hugetlb_folio_reserve+0xbc/0xc0
[   72.687036][ T5320] Code: 1f eb 05 e8 a6 e5 9f ff 48 c7 c7 40 56 61 8e e8 1a 34 d9 09 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 85 e5 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
[   72.694735][ T5320] RSP: 0018:ffffc9000d42f7f8 EFLAGS: 00010087
[   72.697105][ T5320] RAX: ffffffff821f6a1b RBX: 0000000000000000 RCX: 0000000000100000
[   72.700620][ T5320] RDX: ffffc9000e49a000 RSI: 000000000000039b RDI: 000000000000039c
[   72.704056][ T5320] RBP: 1ffffffff348bed1 R08: ffffffff821f69d3 R09: 1ffffd4000092005
[   72.707791][ T5320] R10: dffffc0000000000 R11: fffff94000092006 R12: dffffc0000000000
[   72.710767][ T5320] R13: dffffc0000000000 R14: ffffea0000490000 R15: ffffffff9a45f688
[   72.713676][ T5320] FS:  00007fd5033c36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
[   72.716859][ T5320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.719220][ T5320] CR2: 0000400000000000 CR3: 0000000045c94000 CR4: 0000000000352ef0
[   72.722036][ T5320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   72.725136][ T5320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   72.728567][ T5320] Call Trace:
[   72.729802][ T5320]  <TASK>
[   72.730688][ T5320]  ? __die_body+0x5f/0xb0
[   72.731990][ T5320]  ? die+0x9e/0xc0
[   72.733415][ T5320]  ? do_trap+0x15a/0x3a0
[   72.734940][ T5320]  ? alloc_hugetlb_folio_reserve+0xbc/0xc0
[   72.737306][ T5320]  ? do_error_trap+0x1dc/0x2c0
[   72.739332][ T5320]  ? alloc_hugetlb_folio_reserve+0xbc/0xc0
[   72.741576][ T5320]  ? __pfx_do_error_trap+0x10/0x10
[   72.743580][ T5320]  ? report_bug+0x3cd/0x500
[   72.745621][ T5320]  ? handle_invalid_op+0x34/0x40
[   72.747687][ T5320]  ? alloc_hugetlb_folio_reserve+0xbc/0xc0
[   72.750138][ T5320]  ? exc_invalid_op+0x38/0x50
[   72.752228][ T5320]  ? asm_exc_invalid_op+0x1a/0x20
[   72.754662][ T5320]  ? alloc_hugetlb_folio_reserve+0x73/0xc0
[   72.757209][ T5320]  ? alloc_hugetlb_folio_reserve+0xbb/0xc0
[   72.759586][ T5320]  ? alloc_hugetlb_folio_reserve+0xbc/0xc0
[   72.761722][ T5320]  ? alloc_hugetlb_folio_reserve+0xbb/0xc0
[   72.764147][ T5320]  memfd_alloc_folio+0x1bd/0x370
[   72.766219][ T5320]  memfd_pin_folios+0xf10/0x1570
[   72.768049][ T5320]  ? __pfx_memfd_pin_folios+0x10/0x10
[   72.770193][ T5320]  ? __fget_files+0x2a/0x410
[   72.771870][ T5320]  ? __fget_files+0x395/0x410
[   72.773720][ T5320]  ? __fget_files+0x2a/0x410
[   72.775811][ T5320]  udmabuf_create+0x70e/0x10c0
[   72.778191][ T5320]  ? __pfx_udmabuf_create+0x10/0x10
[   72.780628][ T5320]  ? __might_fault+0xaa/0x120
[   72.782802][ T5320]  udmabuf_ioctl+0x301/0x4e0
[   72.784658][ T5320]  ? __pfx_udmabuf_ioctl+0x10/0x10
[   72.786417][ T5320]  ? __fget_files+0x2a/0x410
[   72.788235][ T5320]  ? __pfx_udmabuf_ioctl+0x10/0x10
[   72.790250][ T5320]  __se_sys_ioctl+0xf5/0x170
[   72.792003][ T5320]  do_syscall_64+0xf3/0x230
[   72.793678][ T5320]  ? clear_bhb_loop+0x35/0x90
[   72.795635][ T5320]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   72.798086][ T5320] RIP: 0033:0x7fd50258cde9
[   72.800416][ T5320] 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
[   72.808249][ T5320] RSP: 002b:00007fd5033c3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   72.811393][ T5320] RAX: ffffffffffffffda RBX: 00007fd5027a5fa0 RCX: 00007fd50258cde9
[   72.814617][ T5320] RDX: 0000400000000040 RSI: 0000000040187542 RDI: 0000000000000004
[   72.818013][ T5320] RBP: 00007fd50260e2a0 R08: 0000000000000000 R09: 0000000000000000
[   72.822256][ T5320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   72.825998][ T5320] R13: 0000000000000000 R14: 00007fd5027a5fa0 R15: 00007ffd676bcbd8
[   72.829153][ T5320]  </TASK>
[   72.830284][ T5320] Modules linked in:
[   72.831811][ T5320] ---[ end trace 0000000000000000 ]---
[   72.833789][ T5320] RIP: 0010:alloc_hugetlb_folio_reserve+0xbc/0xc0
[   72.836033][ T5320] Code: 1f eb 05 e8 a6 e5 9f ff 48 c7 c7 40 56 61 8e e8 1a 34 d9 09 4c 89 f0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 85 e5 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
[   72.842532][ T5320] RSP: 0018:ffffc9000d42f7f8 EFLAGS: 00010087
[   72.844811][ T5320] RAX: ffffffff821f6a1b RBX: 0000000000000000 RCX: 0000000000100000
[   72.847697][ T5320] RDX: ffffc9000e49a000 RSI: 000000000000039b RDI: 000000000000039c
[   72.851143][ T5320] RBP: 1ffffffff348bed1 R08: ffffffff821f69d3 R09: 1ffffd4000092005
[   72.854307][ T5320] R10: dffffc0000000000 R11: fffff94000092006 R12: dffffc0000000000
[   72.857163][ T5320] R13: dffffc0000000000 R14: ffffea0000490000 R15: ffffffff9a45f688
[   72.860159][ T5320] FS:  00007fd5033c36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
[   72.863812][ T5320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.866918][ T5320] CR2: 0000400000000000 CR3: 0000000045c94000 CR4: 0000000000352ef0
[   72.869572][ T5320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   72.871972][ T5320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   72.874547][ T5320] Kernel panic - not syncing: Fatal exception
[   72.876690][ T5320] Kernel Offset: disabled
[   72.878487][ T5320] Rebooting in 86400 seconds..