general protection fault, probably for non-canonical address 0xe0000ae004e6f03c: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x00007700273781e0-0x00007700273781e7] CPU: 0 PID: 30450 Comm: syz-executor.0 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mm_update_next_owner+0x2ab/0x6d0 kernel/exit.c:386 Code: 3a e1 07 4c 8d ad 28 fc ff ff 48 c7 c0 c0 29 28 89 49 39 c5 0f 84 d0 03 00 00 0f 1f 44 00 00 49 8d 5d 24 48 89 d8 48 c1 e8 03 <42> 8a 04 30 84 c0 0f 85 11 01 00 00 8b 1b be 00 00 20 00 21 de 31 RSP: 0018:ffffc90016e27ca8 EFLAGS: 00010207 RAX: 00000ee004e6f03c RBX: 00007700273781e4 RCX: ffff888028f44180 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000770027378598 R08: ffffffff8146f337 R09: fffffbfff1241209 R10: fffffbfff1241209 R11: 0000000000000000 R12: ffff8880467fd780 R13: 00007700273781c0 R14: dffffc0000000000 R15: ffff8880467fd780 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005166a0 CR3: 000000009a358000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: exit_mm+0x4c5/0x550 kernel/exit.c:481 do_exit+0x584/0x1f80 kernel/exit.c:792 do_group_exit+0x161/0x2d0 kernel/exit.c:903 __do_sys_exit_group+0x13/0x20 kernel/exit.c:914 __se_sys_exit_group+0x10/0x10 kernel/exit.c:912 __x64_sys_exit_group+0x37/0x40 kernel/exit.c:912 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cb29 Code: Bad RIP value. RSP: 002b:00007ffce58e4418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045cb29 RDX: 0000000000416721 RSI: fffffffffffffff7 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffce58e4470 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffce58e4470 R14: 0000000000000000 R15: 00007ffce58e4480 Modules linked in: ---[ end trace 7ad5470c19607f6e ]--- RIP: 0010:mm_update_next_owner+0x2ab/0x6d0 kernel/exit.c:386 Code: 3a e1 07 4c 8d ad 28 fc ff ff 48 c7 c0 c0 29 28 89 49 39 c5 0f 84 d0 03 00 00 0f 1f 44 00 00 49 8d 5d 24 48 89 d8 48 c1 e8 03 <42> 8a 04 30 84 c0 0f 85 11 01 00 00 8b 1b be 00 00 20 00 21 de 31 RSP: 0018:ffffc90016e27ca8 EFLAGS: 00010207 RAX: 00000ee004e6f03c RBX: 00007700273781e4 RCX: ffff888028f44180 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000770027378598 R08: ffffffff8146f337 R09: fffffbfff1241209 R10: fffffbfff1241209 R11: 0000000000000000 R12: ffff8880467fd780 R13: 00007700273781c0 R14: dffffc0000000000 R15: ffff8880467fd780 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005166a0 CR3: 000000009a358000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400