------------[ cut here ]------------ kernel BUG at mm/hugetlb.c:1160! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 2020 Comm: syz.1.8615 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:resv_map_release+0x1e5/0x1f0 mm/hugetlb.c:1160 Code: 81 af a4 ff 4d 85 f6 75 1b e8 17 aa a4 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 21 03 fb ff e8 fc a9 a4 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:ffffc90004c27778 EFLAGS: 00010293 RAX: ffffffff821a0344 RBX: ffff88805d21e800 RCX: ffff88802afe8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1dac92f R12: ffff88805d21e8a0 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88805d21e8a0 FS: 0000000000000000(0000) GS:ffff888126df4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6448b27dac CR3: 000000000d3a6000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: vma_close mm/internal.h:190 [inline] remove_vma+0x8b/0x130 mm/vma.c:464 exit_mmap+0x537/0xb40 mm/mmap.c:1305 __mmput+0xcb/0x3d0 kernel/fork.c:1133 exit_mm+0x1da/0x2c0 kernel/exit.c:582 do_exit+0x648/0x2300 kernel/exit.c:954 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107 get_signal+0x125d/0x1310 kernel/signal.c:3034 arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x72/0x130 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f59c41df749 Code: Unable to access opcode bytes at 0x7f59c41df71f. RSP: 002b:00007f59c24460e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f59c4435fa8 RCX: 00007f59c41df749 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f59c4435fa8 RBP: 00007f59c4435fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f59c4436038 R14: 00007fffb36c8400 R15: 00007fffb36c84e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:resv_map_release+0x1e5/0x1f0 mm/hugetlb.c:1160 Code: 81 af a4 ff 4d 85 f6 75 1b e8 17 aa a4 ff 48 89 df 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 21 03 fb ff e8 fc a9 a4 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:ffffc90004c27778 EFLAGS: 00010293 RAX: ffffffff821a0344 RBX: ffff88805d21e800 RCX: ffff88802afe8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dead000000000122 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1dac92f R12: ffff88805d21e8a0 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88805d21e8a0 FS: 0000000000000000(0000) GS:ffff888126df4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6448b27dac CR3: 000000000d3a6000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400