------------[ cut here ]------------ kernel BUG at mm/mmap.c:2854! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3210 Comm: syz.5.754 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__mmap_region mm/mmap.c:2854 [inline] RIP: 0010:mmap_region+0x1fe8/0x2130 mm/mmap.c:3030 Code: 50 80 e1 07 80 c1 03 38 c1 0f 8c e1 f9 ff ff 48 8b 7c 24 50 e8 19 4d 09 00 e9 d2 f9 ff ff e8 3f b3 c3 ff 0f 0b e8 38 b3 c3 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 66 e7 ff ff 48 89 df e8 RSP: 0018:ffffc9000eea7a40 EFLAGS: 00010283 RAX: ffffffff81adbb08 RBX: 0000200000b36000 RCX: 0000000000080000 RDX: ffffc90000dd9000 RSI: 000000000003809d RDI: 000000000003809e RBP: ffffc9000eea7c30 R08: ffff8881167a0000 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000002 R12: 0000200000b35fff R13: 0000200000b36000 R14: dffffc0000000000 R15: 0000200000000000 FS: 00007f3a775b46c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffe70 CR3: 000000013b4b3000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_mmap+0x858/0xdd0 mm/mmap.c:1491 vm_mmap_pgoff+0x206/0x3f0 mm/util.c:525 ksys_mmap_pgoff+0xf6/0x1d0 mm/mmap.c:1537 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __x64_sys_mmap+0xfa/0x110 arch/x86/kernel/sys_x86_64.c:86 x64_sys_call+0x8fd/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:10 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3a7679e2d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3a775b4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f3a76a25fa0 RCX: 00007f3a7679e2d9 RDX: 000000000000000f RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f3a76835888 R08: ffffffffffffffff R09: 000000001c5f1000 R10: 0000000004008032 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3a76a26038 R14: 00007f3a76a25fa0 R15: 00007ffefe3ff548 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__mmap_region mm/mmap.c:2854 [inline] RIP: 0010:mmap_region+0x1fe8/0x2130 mm/mmap.c:3030 Code: 50 80 e1 07 80 c1 03 38 c1 0f 8c e1 f9 ff ff 48 8b 7c 24 50 e8 19 4d 09 00 e9 d2 f9 ff ff e8 3f b3 c3 ff 0f 0b e8 38 b3 c3 ff <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 66 e7 ff ff 48 89 df e8 RSP: 0018:ffffc9000eea7a40 EFLAGS: 00010283 RAX: ffffffff81adbb08 RBX: 0000200000b36000 RCX: 0000000000080000 RDX: ffffc90000dd9000 RSI: 000000000003809d RDI: 000000000003809e RBP: ffffc9000eea7c30 R08: ffff8881167a0000 R09: 0000000000000003 R10: 0000000000000003 R11: 0000000000000002 R12: 0000200000b35fff R13: 0000200000b36000 R14: dffffc0000000000 R15: 0000200000000000 FS: 00007f3a775b46c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffe70 CR3: 000000013b4b3000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400