------------[ cut here ]------------
kernel BUG at mm/hugetlb.c:1153!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 8035 Comm: syz.3.525 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:resv_map_release mm/hugetlb.c:1153 [inline]
RIP: 0010:resv_map_release+0x1e2/0x280 mm/hugetlb.c:1138
Code: 14 9a ff 48 85 db 75 1c e8 ab 19 9a ff 48 8b 3c 24 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f e9 f4 84 fa ff e8 8f 19 9a ff 90 <0f> 0b 4c 89 f7 e8 94 97 06 00 e9 38 ff ff ff 48 89 ef e8 97 96 06
RSP: 0018:ffffc90006b377d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff826e994b
RDX: ffff88801cb924c0 RSI: ffffffff826e9971 RDI: ffff88801cb924c0
RBP: ffff888026f36060 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888026f36060
R13: ffff888026f36060 R14: ffff888026f36060 R15: ffff8880777be308
FS:  0000000000000000(0000) GS:ffff888124445000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000032000 CR3: 000000005e070000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kref_put include/linux/kref.h:65 [inline]
 hugetlb_vm_op_close+0x5cd/0x730 mm/hugetlb.c:4761
 vma_close mm/internal.h:190 [inline]
 remove_vma+0x88/0x160 mm/vma.c:466
 tear_down_vmas+0x2a5/0x600 mm/mmap.c:1264
 exit_mmap+0x469/0xa30 mm/mmap.c:1322
 __mmput+0x12a/0x410 kernel/fork.c:1174
 mmput+0x67/0x80 kernel/fork.c:1197
 exit_mm kernel/exit.c:581 [inline]
 do_exit+0x78a/0x2aa0 kernel/exit.c:959
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
 get_signal+0x1ec7/0x21e0 kernel/signal.c:3034
 arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop+0x86/0x4a0 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+0x67c/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fad2d79c799
Code: Unable to access opcode bytes at 0x7fad2d79c76f.
RSP: 002b:00007fad2e6ba0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fad2da16188 RCX: 00007fad2d79c799
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fad2da16188
RBP: 00007fad2da16180 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fad2da16218 R14: 00007ffc1c6cec10 R15: 00007ffc1c6cecf8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:resv_map_release mm/hugetlb.c:1153 [inline]
RIP: 0010:resv_map_release+0x1e2/0x280 mm/hugetlb.c:1138
Code: 14 9a ff 48 85 db 75 1c e8 ab 19 9a ff 48 8b 3c 24 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f e9 f4 84 fa ff e8 8f 19 9a ff 90 <0f> 0b 4c 89 f7 e8 94 97 06 00 e9 38 ff ff ff 48 89 ef e8 97 96 06
RSP: 0018:ffffc90006b377d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff826e994b
RDX: ffff88801cb924c0 RSI: ffffffff826e9971 RDI: ffff88801cb924c0
RBP: ffff888026f36060 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888026f36060
R13: ffff888026f36060 R14: ffff888026f36060 R15: ffff8880777be308
FS:  0000000000000000(0000) GS:ffff888124445000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67ab3e82f8 CR3: 000000005e070000 CR4: 00000000003526f0