invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4189 Comm: systemd-udevd Not tainted 5.7.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:prepare_exit_to_usermode+0x11e/0x600 arch/x86/entry/common.c:190 Code: 03 42 8a 04 20 84 c0 0f 85 8c 04 00 00 8b 1b 31 ff 89 de e8 64 fb 72 00 85 db 74 0e e8 bb f7 72 00 eb 49 e8 b4 f7 72 00 eb 42 <48> 8d ff ff ff ff ff ff ff ff 48 c1 e8 03 42 8a 04 20 84 c0 0f 85 RSP: 0018:ffffc90000e77ef0 EFLAGS: 00010046 RAX: ffff8880a2dbc080 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880a2dbc080 R08: ffffffff81007f0c R09: ffffed10145b7811 R10: ffffed10145b7811 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff110145b7810 R14: ffffc90000e77f58 R15: 0000000000000000 FS: 00007f25d1d058c0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000b90004 CR3: 00000000a2644000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x7f25d0b78335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007ffd6764f678 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: 0000000000000000 RBX: 0000560cccbb28d0 RCX: 00007f25d0b78335 RDX: 00007ffd6764f6b0 RSI: 00007ffd6764f6b0 RDI: 0000560cccbb18d0 RBP: 00007ffd6764f770 R08: 00007f25d0e371c8 R09: 0000000000001010 R10: 00007f25d0e36b58 R11: 0000000000000246 R12: 0000560cccbb18d0 R13: 0000560cccbb18e4 R14: 0000560cccba7ced R15: 0000560cccba7cf4 Modules linked in: ---[ end trace 51953aa772e9ab22 ]--- RIP: 0010:prepare_exit_to_usermode+0x11e/0x600 arch/x86/entry/common.c:190 Code: 03 42 8a 04 20 84 c0 0f 85 8c 04 00 00 8b 1b 31 ff 89 de e8 64 fb 72 00 85 db 74 0e e8 bb f7 72 00 eb 49 e8 b4 f7 72 00 eb 42 <48> 8d ff ff ff ff ff ff ff ff 48 c1 e8 03 42 8a 04 20 84 c0 0f 85 RSP: 0018:ffffc90000e77ef0 EFLAGS: 00010046 RAX: ffff8880a2dbc080 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880a2dbc080 R08: ffffffff81007f0c R09: ffffed10145b7811 R10: ffffed10145b7811 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff110145b7810 R14: ffffc90000e77f58 R15: 0000000000000000 FS: 00007f25d1d058c0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000b90004 CR3: 00000000a2644000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400