prot 8000000000000025 anon_vma ffff888146e7f000 vm_ops 0000000000000000 pgoff 7fa697ec3 file 0000000000000000 private_data 0000000000000000 flags: 0x8100073(read|write|mayread|maywrite|mayexec|account|softdirty) ------------[ cut here ]------------ kernel BUG at mm/mmap.c:386! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 24322 Comm: syz-executor.5 Not tainted 5.16.0-rc2-next-20211125-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:validate_mm_rb+0x1d6/0x2d0 mm/mmap.c:386 Code: 4c 0f 42 e8 e8 4b 5c c6 ff 4c 89 ee 4c 89 ff e8 b0 5f c6 ff 4d 39 ef 0f 84 70 fe ff ff e8 32 5c c6 ff 4c 89 e7 e8 be e9 5a 07 <0f> 0b 49 89 c5 e8 20 5c c6 ff 48 8d 7d f8 48 89 f8 48 c1 e8 03 42 RSP: 0018:ffffc900062cfa48 EFLAGS: 00010283 RAX: 0000000000000154 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815f3208 RDI: fffff52000c59f24 RBP: ffff88803ffe2a70 R08: 0000000000000154 R09: 0000000000000000 R10: ffffffff815ecfae R11: 0000000000000000 R12: ffff88803ffe2a50 R13: 00007fa600000000 R14: dffffc0000000000 R15: 0000553a237a5000 FS: 00007fa697ee2700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f767b7e4718 CR3: 000000014dd8b000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vma_rb_insert mm/mmap.c:458 [inline] __vma_link_rb mm/mmap.c:657 [inline] __vma_link mm/mmap.c:683 [inline] __insert_vm_struct mm/mmap.c:719 [inline] __vma_adjust+0xebf/0x2530 mm/mmap.c:925 vma_adjust include/linux/mm.h:2656 [inline] __split_vma+0x467/0x550 mm/mmap.c:2745 __do_munmap+0xcae/0x11a0 mm/mmap.c:2855 do_munmap mm/mmap.c:2900 [inline] munmap_vma_range mm/mmap.c:603 [inline] mmap_region+0x2fd/0x1660 mm/mmap.c:1747 do_mmap+0x869/0xfb0 mm/mmap.c:1581 vm_mmap_pgoff+0x1b7/0x290 mm/util.c:519 ksys_mmap_pgoff+0x40d/0x5a0 mm/mmap.c:1629 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa69a96cae9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa697ee2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fa69aa7ff60 RCX: 00007fa69a96cae9 RDX: 0000000002800004 RSI: 0000000000800000 RDI: 0000000020000000 RBP: 00007fa69a9c6f6d R08: 0000000000000006 R09: 0000000000000000 R10: 0000000000010012 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5fb0a3ef R14: 00007fa697ee2300 R15: 0000000000022000 Modules linked in: ---[ end trace ff07a9bd62dbc2f6 ]--- RIP: 0010:validate_mm_rb+0x1d6/0x2d0 mm/mmap.c:386 Code: 4c 0f 42 e8 e8 4b 5c c6 ff 4c 89 ee 4c 89 ff e8 b0 5f c6 ff 4d 39 ef 0f 84 70 fe ff ff e8 32 5c c6 ff 4c 89 e7 e8 be e9 5a 07 <0f> 0b 49 89 c5 e8 20 5c c6 ff 48 8d 7d f8 48 89 f8 48 c1 e8 03 42 RSP: 0018:ffffc900062cfa48 EFLAGS: 00010283 RAX: 0000000000000154 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815f3208 RDI: fffff52000c59f24 RBP: ffff88803ffe2a70 R08: 0000000000000154 R09: 0000000000000000 R10: ffffffff815ecfae R11: 0000000000000000 R12: ffff88803ffe2a50 R13: 00007fa600000000 R14: dffffc0000000000 R15: 0000553a237a5000 FS: 00007fa697ee2700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33636000 CR3: 000000014dd8b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400