WARNING: CPU: 0 PID: 22327 at include/linux/mmap_lock.h:155 mmap_assert_locked include/linux/mmap_lock.h:155 [inline] WARNING: CPU: 0 PID: 22327 at include/linux/mmap_lock.h:155 find_vma+0xf8/0x270 mm/mmap.c:2255 Modules linked in: CPU: 0 PID: 22327 Comm: syz-executor.1 Not tainted 6.0.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:mmap_assert_locked include/linux/mmap_lock.h:155 [inline] RIP: 0010:find_vma+0xf8/0x270 mm/mmap.c:2255 Code: 49 8d bc 24 28 01 00 00 be ff ff ff ff e8 a0 34 c8 07 31 ff 89 c3 89 c6 e8 95 dc c4 ff 85 db 0f 85 61 ff ff ff e8 c8 df c4 ff <0f> 0b e9 55 ff ff ff e8 bc df c4 ff 4c 89 e7 e8 64 38 fb ff 0f 0b RSP: 0018:ffffc9000ae374e8 EFLAGS: 00010216 RAX: 00000000000017ad RBX: 0000000000000000 RCX: ffffc90003dc2000 RDX: 0000000000040000 RSI: ffffffff81b72b88 RDI: 0000000000000005 RBP: 0000000020ffc000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88807ac9b100 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000070 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0063) knlGS:00000000f7f4cb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f6f3a5dc CR3: 000000001f8af000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vma_lookup include/linux/mm.h:2743 [inline] binder_alloc_get_vma drivers/android/binder_alloc.c:340 [inline] binder_alloc_new_buf_locked drivers/android/binder_alloc.c:405 [inline] binder_alloc_new_buf+0xd6/0x18b0 drivers/android/binder_alloc.c:590 binder_transaction+0x242e/0x9a80 drivers/android/binder.c:3187 binder_thread_write+0x8a9/0x3220 drivers/android/binder.c:3963 binder_ioctl_write_read drivers/android/binder.c:5024 [inline] binder_ioctl+0x3470/0x6d00 drivers/android/binder.c:5311 compat_ptr_ioctl+0x67/0x90 fs/ioctl.c:906 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:968 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f51549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f4c5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000c0306201 RDX: 0000000020000680 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi