------------[ cut here ]------------ kernel BUG at mm/hugetlb.c:1164! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 8827 Comm: syz.4.664 Not tainted 6.16.0-rc1-syzkaller-00010-g2c4a1f3fe03e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:resv_map_release+0x1df/0x1f0 mm/hugetlb.c:1164 Code: e7 19 a3 ff 4d 85 f6 75 1b e8 fd 14 a3 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 07 95 fb ff e8 e2 14 a3 ff 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9001a04f778 EFLAGS: 00010293 RAX: ffffffff821d4a0e RBX: ffff88804e459000 RCX: ffff88802fd7da00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dead000000000122 R08: ffffffff8fa108f7 R09: 1ffffffff1f4211e R10: dffffc0000000000 R11: fffffbfff1f4211f R12: ffff88804e459060 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88804e459060 FS: 0000000000000000(0000) GS:ffff888125c52000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7f355c0 CR3: 0000000066272000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vma_close mm/internal.h:190 [inline] remove_vma+0x88/0x130 mm/vma.c:461 exit_mmap+0x53f/0xb50 mm/mmap.c:1309 __mmput+0x118/0x420 kernel/fork.c:1121 exit_mm+0x1da/0x2c0 kernel/exit.c:581 do_exit+0x640/0x22e0 kernel/exit.c:943 do_group_exit+0x21c/0x2d0 kernel/exit.c:1104 get_signal+0x1286/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] __do_fast_syscall_32+0x1f4/0x2b0 arch/x86/entry/syscall_32.c:309 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7ff8539 Code: Unable to access opcode bytes at 0xf7ff850f. RSP: 002b:00000000f50f560c EFLAGS: 00000206 ORIG_RAX: 00000000000000f0 RAX: fffffffffffffe00 RBX: 00000000f74b5018 RCX: 0000000000000080 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f74b501c RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:resv_map_release+0x1df/0x1f0 mm/hugetlb.c:1164 Code: e7 19 a3 ff 4d 85 f6 75 1b e8 fd 14 a3 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 07 95 fb ff e8 e2 14 a3 ff 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9001a04f778 EFLAGS: 00010293 RAX: ffffffff821d4a0e RBX: ffff88804e459000 RCX: ffff88802fd7da00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dead000000000122 R08: ffffffff8fa108f7 R09: 1ffffffff1f4211e R10: dffffc0000000000 R11: fffffbfff1f4211f R12: ffff88804e459060 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88804e459060 FS: 0000000000000000(0000) GS:ffff888125c52000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000030516ffc CR3: 0000000030cc8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400