[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.12' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.053543][ T7038] FAULT_INJECTION: forcing a failure. [ 58.053543][ T7038] name failslab, interval 1, probability 0, space 0, times 1 [ 58.066911][ T7038] CPU: 1 PID: 7038 Comm: syz-executor593 Not tainted 5.7.0-rc5-syzkaller #0 [ 58.075843][ T7038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.085891][ T7038] Call Trace: [ 58.089165][ T7038] dump_stack+0x188/0x20d [ 58.093481][ T7038] should_fail.cold+0x5/0xa [ 58.097964][ T7038] ? lock_downgrade+0x840/0x840 [ 58.102800][ T7038] ? fault_create_debugfs_attr+0x140/0x140 [ 58.108585][ T7038] should_failslab+0x5/0xf [ 58.112977][ T7038] __kmalloc+0x2d9/0x7a0 [ 58.117210][ T7038] ? rds_info_getsockopt+0x312/0x410 [ 58.122472][ T7038] rds_info_getsockopt+0x312/0x410 [ 58.127560][ T7038] ? rds_info_iter_unmap+0xe0/0xe0 [ 58.132649][ T7038] ? vfs_write+0x348/0x5d0 [ 58.137056][ T7038] rds_getsockopt+0x172/0x2d0 [ 58.141729][ T7038] __sys_getsockopt+0x14b/0x2e0 [ 58.146566][ T7038] ? kernel_accept+0x360/0x360 [ 58.151334][ T7038] ? ksys_write+0x1a5/0x250 [ 58.155832][ T7038] ? __ia32_sys_read+0xb0/0xb0 [ 58.160597][ T7038] __x64_sys_getsockopt+0xba/0x150 [ 58.165703][ T7038] ? lockdep_hardirqs_on+0x463/0x620 [ 58.170972][ T7038] do_syscall_64+0xf6/0x7d0 [ 58.175473][ T7038] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.181340][ T7038] RIP: 0033:0x440559 [ 58.185210][ T7038] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.204814][ T7038] RSP: 002b:00007ffcb8e48ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 58.213209][ T7038] RAX: ffffffffffffffda RBX: 00007ffcb8e48eb0 RCX: 0000000000440559 [ 58.221161][ T7038] RDX: 0000000000002710 RSI: 0000000000000114 RDI: 0000000000000003 [ 58.229111][ T7038] RBP: 0000000000000004 R08: 0000000020000000 R09: 00007ffcb8e40031 [ 58.237081][ T7038] R10: 0000000020c35fff R11: 0000000000000246 R12: 0000000000401e40 [ 58.245045][ T7038] R13: 0000000000401ed0 R14: 0000000000000000 R15: 0000000000000000 [ 58.260417][ T7038] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 58.272135][ T7038] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 58.280534][ T7038] CPU: 1 PID: 7038 Comm: syz-executor593 Not tainted 5.7.0-rc5-syzkaller #0 [ 58.289179][ T7038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.299214][ T7038] RIP: 0010:unpin_user_pages+0x38/0x80 [ 58.304656][ T7038] Code: 56 d3 ff 31 ff 4c 89 e6 e8 a5 57 d3 ff 4d 85 e4 74 3f 49 bd 00 00 00 00 00 fc ff df 31 ed e8 ff 55 d3 ff 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 75 2b 48 8b 3b 48 83 c5 01 48 83 c3 08 e8 51 f8 ff [ 58.324257][ T7038] RSP: 0018:ffffc90002537cc8 EFLAGS: 00010246 [ 58.330314][ T7038] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff819fdc9b [ 58.338262][ T7038] RDX: 0000000000000000 RSI: ffffffff819fdcb1 RDI: 0000000000000007 [ 58.346400][ T7038] RBP: 0000000000000000 R08: ffff88809ff6e0c0 R09: ffffed1015ce7164 [ 58.354361][ T7038] R10: ffff8880ae738b1b R11: ffffed1015ce7163 R12: 0000000000000011 [ 58.362317][ T7038] R13: dffffc0000000000 R14: 0000000000000011 R15: 0000000020c35fff [ 58.370274][ T7038] FS: 0000000000d95880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 58.379185][ T7038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.385764][ T7038] CR2: 00007f6870abd000 CR3: 000000009a8e7000 CR4: 00000000001406e0 [ 58.393718][ T7038] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.401679][ T7038] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.409646][ T7038] Call Trace: [ 58.412998][ T7038] rds_info_getsockopt+0x291/0x410 [ 58.418180][ T7038] ? rds_info_iter_unmap+0xe0/0xe0 [ 58.423299][ T7038] ? vfs_write+0x348/0x5d0 [ 58.427698][ T7038] rds_getsockopt+0x172/0x2d0 [ 58.432358][ T7038] __sys_getsockopt+0x14b/0x2e0 [ 58.437200][ T7038] ? kernel_accept+0x360/0x360 [ 58.441960][ T7038] ? ksys_write+0x1a5/0x250 [ 58.446437][ T7038] ? __ia32_sys_read+0xb0/0xb0 [ 58.451181][ T7038] __x64_sys_getsockopt+0xba/0x150 [ 58.456653][ T7038] ? lockdep_hardirqs_on+0x463/0x620 [ 58.462035][ T7038] do_syscall_64+0xf6/0x7d0 [ 58.466534][ T7038] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.472407][ T7038] RIP: 0033:0x440559 [ 58.476286][ T7038] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.495873][ T7038] RSP: 002b:00007ffcb8e48ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 58.504436][ T7038] RAX: ffffffffffffffda RBX: 00007ffcb8e48eb0 RCX: 0000000000440559 [ 58.512412][ T7038] RDX: 0000000000002710 RSI: 0000000000000114 RDI: 0000000000000003 [ 58.520362][ T7038] RBP: 0000000000000004 R08: 0000000020000000 R09: 00007ffcb8e40031 [ 58.528331][ T7038] R10: 0000000020c35fff R11: 0000000000000246 R12: 0000000000401e40 [ 58.537512][ T7038] R13: 0000000000401ed0 R14: 0000000000000000 R15: 0000000000000000 [ 58.545464][ T7038] Modules linked in: [ 58.557087][ T7038] ---[ end trace c9d832ffc8da59ec ]--- [ 58.562615][ T7038] RIP: 0010:unpin_user_pages+0x38/0x80 [ 58.568050][ T7038] Code: 56 d3 ff 31 ff 4c 89 e6 e8 a5 57 d3 ff 4d 85 e4 74 3f 49 bd 00 00 00 00 00 fc ff df 31 ed e8 ff 55 d3 ff 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 75 2b 48 8b 3b 48 83 c5 01 48 83 c3 08 e8 51 f8 ff [ 58.588452][ T7038] RSP: 0018:ffffc90002537cc8 EFLAGS: 00010246 [ 58.594957][ T7038] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff819fdc9b [ 58.603840][ T7038] RDX: 0000000000000000 RSI: ffffffff819fdcb1 RDI: 0000000000000007 [ 58.612550][ T7038] RBP: 0000000000000000 R08: ffff88809ff6e0c0 R09: ffffed1015ce7164 [ 58.620731][ T7038] R10: ffff8880ae738b1b R11: ffffed1015ce7163 R12: 0000000000000011 [ 58.628797][ T7038] R13: dffffc0000000000 R14: 0000000000000011 R15: 0000000020c35fff [ 58.637097][ T7038] FS: 0000000000d95880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 58.646321][ T7038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.653043][ T7038] CR2: 00007fbc58039178 CR3: 000000009a8e7000 CR4: 00000000001406f0 [ 58.661055][ T7038] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.669163][ T7038] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.677201][ T7038] Kernel panic - not syncing: Fatal exception [ 58.684513][ T7038] Kernel Offset: disabled [ 58.688828][ T7038] Rebooting in 86400 seconds..