------------[ cut here ]------------ kernel BUG at lib/maple_tree.c:5789! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29001 Comm: syz-executor.4 Not tainted 6.1.25-syzkaller-00258-gcffbdd825e02 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:mas_store_prealloc+0x3c0/0x420 lib/maple_tree.c:5789 Code: 48 89 df e8 02 d0 bd fc 48 8b 3b 48 c7 c6 13 25 45 86 48 8b 54 24 10 31 c9 4c 8b 44 24 18 e8 47 8a ff ff eb 18 e8 d0 68 78 fc <0f> 0b e8 19 e5 08 00 e8 c4 68 78 fc eb 34 e8 bd 68 78 fc 31 db 65 RSP: 0018:ffffc900021df4a0 EFLAGS: 00010287 RAX: ffffffff84fb42b0 RBX: 0000000000000002 RCX: 0000000000040000 RDX: ffffc9000157a000 RSI: 0000000000000183 RDI: 0000000000000184 RBP: ffffc900021df5b0 R08: ffffffff84fb4153 R09: fffffbfff0d0d41b R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff9200043bee7 R14: ffffffffffffffd2 R15: 1ffff9200043be98 FS: 00007f8cc65da700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7fc16d56be CR3: 000000013cbe7000 CR4: 00000000003526a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vma_mas_store+0xe0/0x1e0 mm/mmap.c:436 __vma_adjust+0xf81/0x1870 mm/mmap.c:791 vma_merge+0x8ce/0x8f0 madvise_update_vma+0x220/0x7f0 mm/madvise.c:155 madvise_vma_behavior mm/madvise.c:1098 [inline] madvise_walk_vmas mm/madvise.c:1267 [inline] do_madvise+0x100f/0x3da0 mm/madvise.c:1446 __do_sys_madvise mm/madvise.c:1459 [inline] __se_sys_madvise mm/madvise.c:1457 [inline] __x64_sys_madvise+0xa8/0xc0 mm/madvise.c:1457 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8cc588c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8cc65da168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f8cc59ac050 RCX: 00007f8cc588c169 RDX: 0000000000000002 RSI: 0000000000400000 RDI: 0000000020495000 RBP: 00007f8cc65da1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd67a805ff R14: 00007f8cc65da300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:mas_store_prealloc+0x3c0/0x420 lib/maple_tree.c:5789 Code: 48 89 df e8 02 d0 bd fc 48 8b 3b 48 c7 c6 13 25 45 86 48 8b 54 24 10 31 c9 4c 8b 44 24 18 e8 47 8a ff ff eb 18 e8 d0 68 78 fc <0f> 0b e8 19 e5 08 00 e8 c4 68 78 fc eb 34 e8 bd 68 78 fc 31 db 65 RSP: 0018:ffffc900021df4a0 EFLAGS: 00010287 RAX: ffffffff84fb42b0 RBX: 0000000000000002 RCX: 0000000000040000 RDX: ffffc9000157a000 RSI: 0000000000000183 RDI: 0000000000000184 RBP: ffffc900021df5b0 R08: ffffffff84fb4153 R09: fffffbfff0d0d41b R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff9200043bee7 R14: ffffffffffffffd2 R15: 1ffff9200043be98 FS: 00007f8cc65da700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7fc1751fc0 CR3: 000000013cbe7000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400