syzbot

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kernel BUG at mm/hugetlb.c:1132!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 5938 Comm: syz-executor210 Not tainted 6.14.0-rc4-syzkaller-00073-g5394eea10651 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:resv_map_release mm/hugetlb.c:1132 [inline]
RIP: 0010:resv_map_release+0x1f3/0x290 mm/hugetlb.c:1117
Code: a2 ff 48 85 db 75 1d e8 cb 8b a2 ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 93 f1 fa ff e8 ae 8b a2 ff 90 <0f> 0b 4c 89 ef e8 93 a1 05 00 e9 3d ff ff ff 48 89 ef e8 96 a0 05
RSP: 0018:ffffc900037d78e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8217541b
RDX: ffff888024a78000 RSI: ffffffff82175442 RDI: 0000000000000007
RBP: ffff88802434cc60 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802434cc60
R13: ffff88802434cc60 R14: ffff88802f513e88 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000a00000 CR3: 000000000df80000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kref_put include/linux/kref.h:65 [inline]
 hugetlb_vm_op_close+0x4a7/0x5b0 mm/hugetlb.c:5104
 vma_close mm/internal.h:147 [inline]
 remove_vma+0x91/0x1b0 mm/vma.c:412
 exit_mmap+0x511/0xba0 mm/mmap.c:1308
 __mmput+0x12a/0x410 kernel/fork.c:1356
 mmput+0x62/0x70 kernel/fork.c:1378
 exit_mm kernel/exit.c:570 [inline]
 do_exit+0x9ba/0x2d70 kernel/exit.c:925
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 get_signal+0x24ed/0x26c0 kernel/signal.c:3036
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f51ee5a8429
Code: Unable to access opcode bytes at 0x7f51ee5a83ff.
RSP: 002b:00007f51ee542218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f51ee632318 RCX: 00007f51ee5a8429
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f51ee632318
RBP: 00007f51ee632310 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51ee5ff074
R13: 0000400000000080 R14: 0000400000000088 R15: 0000400000800000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:resv_map_release mm/hugetlb.c:1132 [inline]
RIP: 0010:resv_map_release+0x1f3/0x290 mm/hugetlb.c:1117
Code: a2 ff 48 85 db 75 1d e8 cb 8b a2 ff 48 8b 7c 24 08 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 93 f1 fa ff e8 ae 8b a2 ff 90 <0f> 0b 4c 89 ef e8 93 a1 05 00 e9 3d ff ff ff 48 89 ef e8 96 a0 05
RSP: 0018:ffffc900037d78e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8217541b
RDX: ffff888024a78000 RSI: ffffffff82175442 RDI: 0000000000000007
RBP: ffff88802434cc60 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802434cc60
R13: ffff88802434cc60 R14: ffff88802f513e88 R15: dead000000000100
FS:  0000000000000000(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000a00000 CR3: 000000000df80000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400