syzbot

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kernel BUG at mm/hugetlb.c:1153!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6260 Comm: syz.0.68 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:resv_map_release+0x1e5/0x1f0 mm/hugetlb.c:1153
Code: f1 ba a0 ff 4d 85 f6 75 1b e8 87 b5 a0 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 e3 fa ff e8 6c b5 a0 ff 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003c47758 EFLAGS: 00010293
RAX: ffffffff8223af34 RBX: ffff888038557000 RCX: ffff88803a25bd00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1ed4777 R12: ffff8880385570a0
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880385570a0
FS:  0000000000000000(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000a00000 CR3: 000000000dbba000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 vma_close mm/internal.h:190 [inline]
 remove_vma+0x8b/0x130 mm/vma.c:466
 tear_down_vmas+0x312/0x520 mm/mmap.c:1264
 exit_mmap+0x4b6/0xa10 mm/mmap.c:1322
 __mmput+0xcb/0x3d0 kernel/fork.c:1174
 exit_mm+0x168/0x220 kernel/exit.c:581
 do_exit+0x6a2/0x23c0 kernel/exit.c:964
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1118
 get_signal+0x125c/0x1310 kernel/signal.c:3034
 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline]
 do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c24abc799
Code: Unable to access opcode bytes at 0x7f9c24abc76f.
RSP: 002b:00007f9c241160e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9c24d35fa8 RCX: 00007f9c24abc799
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9c24d35fa8
RBP: 00007f9c24d35fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c24d36038 R14: 00007ffe29968b10 R15: 00007ffe29968bf8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:resv_map_release+0x1e5/0x1f0 mm/hugetlb.c:1153
Code: f1 ba a0 ff 4d 85 f6 75 1b e8 87 b5 a0 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 e3 fa ff e8 6c b5 a0 ff 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003c47758 EFLAGS: 00010293
RAX: ffffffff8223af34 RBX: ffff888038557000 RCX: ffff88803a25bd00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1ed4777 R12: ffff8880385570a0
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880385570a0
FS:  0000000000000000(0000) GS:ffff88812643c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000a00000 CR3: 000000000dbba000 CR4: 00000000003526f0