Warning: Permanently added '10.128.0.182' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 58.674789][ T0] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 58.674799][ T0] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 58.674813][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc6-syzkaller #0 [ 58.674821][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.674843][ T0] RIP: 0010:__switch_to_asm+0x0/0x40 [ 58.674857][ T0] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 58.674864][ T0] RSP: 0018:ffffc90000d3fcf8 EFLAGS: 00010046 [ 58.674875][ T0] RAX: dffffc0000000000 RBX: ffff8880ae735e18 RCX: 0000000000000000 [ 58.674883][ T0] RDX: 1ffff11015ce6bc2 RSI: ffff8880901a0380 RDI: ffff8880a9636340 [ 58.674891][ T0] RBP: ffffc90000d3fdd0 R08: 0000000000000001 R09: ffff8880a9636c08 [ 58.674899][ T0] R10: fffffbfff155da49 R11: 0000000000000000 R12: ffff8880a9636340 [ 58.674908][ T0] R13: ffff8880ae735e00 R14: ffff8880901a0380 R15: ffff8880a9636770 [ 58.674918][ T0] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 58.674927][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.674935][ T0] CR2: 00007ffdc8509824 CR3: 00000000932de000 CR4: 00000000001406e0 [ 58.674945][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.674953][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.674957][ T0] Call Trace: [ 58.674975][ T0] __schedule+0x91f/0x2250 [ 58.674994][ T0] ? io_schedule_timeout+0x140/0x140 [ 58.675010][ T0] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.675023][ T0] ? trace_hardirqs_on+0x5f/0x220 [ 58.675036][ T0] ? lockdep_hardirqs_on+0x6a/0xe0 [ 58.675051][ T0] schedule_idle+0x53/0x90 [ 58.675065][ T0] do_idle+0x323/0x6d0 [ 58.675080][ T0] ? arch_cpu_idle_exit+0x70/0x70 [ 58.675093][ T0] ? trace_hardirqs_on+0x5f/0x220 [ 58.675105][ T0] ? lockdep_hardirqs_on+0x6a/0xe0 [ 58.675120][ T0] cpu_startup_entry+0x14/0x20 [ 58.675135][ T0] start_secondary+0x2b3/0x370 [ 58.675150][ T0] ? set_cpu_sibling_map+0x1e80/0x1e80 [ 58.675167][ T0] secondary_startup_64+0xa4/0xb0 [ 58.675177][ T0] Modules linked in: [ 58.675193][ T0] ---[ end trace 7a34eebe4ac3fb0b ]--- [ 58.675214][ T0] RIP: 0010:__switch_to_asm+0x0/0x40 [ 58.675227][ T0] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 58.675234][ T0] RSP: 0018:ffffc90000d3fcf8 EFLAGS: 00010046 [ 58.675244][ T0] RAX: dffffc0000000000 RBX: ffff8880ae735e18 RCX: 0000000000000000 [ 58.675252][ T0] RDX: 1ffff11015ce6bc2 RSI: ffff8880901a0380 RDI: ffff8880a9636340 [ 58.675260][ T0] RBP: ffffc90000d3fdd0 R08: 0000000000000001 R09: ffff8880a9636c08 [ 58.675268][ T0] R10: fffffbfff155da49 R11: 0000000000000000 R12: ffff8880a9636340 [ 58.675276][ T0] R13: ffff8880ae735e00 R14: ffff8880901a0380 R15: ffff8880a9636770 [ 58.675286][ T0] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 58.675297][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.675305][ T0] CR2: 00007ffdc8509824 CR3: 00000000932de000 CR4: 00000000001406e0 [ 58.675314][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.675322][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.675327][ T0] Kernel panic - not syncing: Fatal exception [ 58.676524][ T0] Kernel Offset: disabled [ 59.026577][ T0] Rebooting in 86400 seconds..