------------[ cut here ]------------ WARNING: CPU: 3 PID: 5288 at include/linux/mmap_lock.h:155 mmap_assert_locked include/linux/mmap_lock.h:155 [inline] WARNING: CPU: 3 PID: 5288 at include/linux/mmap_lock.h:155 binder_alloc_set_vma drivers/android/binder_alloc.c:327 [inline] WARNING: CPU: 3 PID: 5288 at include/linux/mmap_lock.h:155 binder_alloc_vma_close+0x126/0x170 drivers/android/binder_alloc.c:986 Modules linked in: CPU: 3 PID: 5288 Comm: syz-executor.3 Not tainted 6.0.0-rc6-syzkaller-00309-g1a61b828566f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:mmap_assert_locked include/linux/mmap_lock.h:155 [inline] RIP: 0010:binder_alloc_set_vma drivers/android/binder_alloc.c:327 [inline] RIP: 0010:binder_alloc_vma_close+0x126/0x170 drivers/android/binder_alloc.c:986 Code: 8d bd 28 01 00 00 be ff ff ff ff e8 44 10 62 02 31 ff 41 89 c4 89 c6 e8 98 ef 5d fa 45 85 e4 0f 85 58 ff ff ff e8 ca f2 5d fa <0f> 0b e9 4c ff ff ff e8 be f2 5d fa 48 89 ef e8 66 44 94 fa 0f 0b RSP: 0018:ffffc9000d2ff900 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888024e351e0 RCX: ffffc900077f2000 RDX: 0000000000040000 RSI: ffffffff871e1656 RDI: 0000000000000005 RBP: ffff88801db83f00 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000008c07c R12: 0000000000000000 R13: ffff888015895398 R14: 0000000000000000 R15: ffff88801db80eb8 FS: 0000000000000000(0000) GS:ffff88802cb00000(0063) knlGS:00000000f7f25b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f6f4d67c CR3: 00000000485f1000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: remove_vma+0xac/0x170 mm/mmap.c:143 exit_mmap+0x24d/0x490 mm/mmap.c:3124 __mmput+0x122/0x4b0 kernel/fork.c:1187 mmput+0x56/0x60 kernel/fork.c:1208 copy_process+0x3140/0x7090 kernel/fork.c:2518 kernel_clone+0xe7/0xab0 kernel/fork.c:2671 __do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2963 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: 0023:0xf7f2a549 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:00000000f7f2549c EFLAGS: 00000286 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00000000f7f254d0 RCX: 0000000000000058 RDX: 0000000000000000 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