Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 85.381409][ T27] audit: type=1400 audit(1588547371.459:8): avc: denied { execmem } for pid=7032 comm="syz-executor017" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 85.541925][ T7039] general protection fault, probably for non-canonical address 0xdffffc001fffffe9: 0000 [#1] PREEMPT SMP KASAN [ 85.541942][ T7039] KASAN: probably user-memory-access in range [0x00000000ffffff48-0x00000000ffffff4f] [ 85.541956][ T7039] CPU: 1 PID: 7039 Comm: syz-executor017 Not tainted 5.7.0-rc3-syzkaller #0 [ 85.541963][ T7039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.541982][ T7039] RIP: 0010:do_con_write.part.0+0x9a3/0x1dc0 [ 85.541994][ T7039] Code: 24 ae 00 00 00 45 01 ef e8 6a c6 88 fd 48 8b 44 24 60 80 38 00 0f 85 af 11 00 00 49 8b 9c 24 f0 03 00 00 48 89 d8 48 c1 e8 03 <0f> b6 14 28 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 e6 [ 85.542001][ T7039] RSP: 0018:ffffc90001607a58 EFLAGS: 00010202 [ 85.542012][ T7039] RAX: 000000001fffffe9 RBX: 00000000ffffff48 RCX: ffffffff83ea6816 [ 85.542019][ T7039] RDX: 0000000000000000 RSI: ffffffff83ea6866 RDI: 0000000000000003 [ 85.542027][ T7039] RBP: dffffc0000000000 R08: ffff8880a2fd2480 R09: fffffbfff1512a01 [ 85.542035][ T7039] R10: ffffffff8a895007 R11: fffffbfff1512a00 R12: ffff88809f8b3000 [ 85.542042][ T7039] R13: 0000000000000000 R14: ffff88809f8b33dc R15: 0000000000000778 [ 85.542053][ T7039] FS: 0000000000da8880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 85.542060][ T7039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.542067][ T7039] CR2: 00000000006cc090 CR3: 00000000a26c0000 CR4: 00000000001406e0 [ 85.542077][ T7039] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.542083][ T7039] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.542087][ T7039] Call Trace: [ 85.542147][ T7039] ? do_con_trol+0x5d10/0x5d10 [ 85.542159][ T7039] ? rwlock_bug.part.0+0x90/0x90 [ 85.542176][ T7039] ? mark_held_locks+0x9f/0xe0 [ 85.542188][ T7039] con_write+0x41/0xe0 [ 85.542201][ T7039] n_tty_write+0x3f0/0xf90 [ 85.542220][ T7039] ? n_tty_read+0x1b30/0x1b30 [ 85.542233][ T7039] ? prepare_to_wait_exclusive+0x2c0/0x2c0 [ 85.542246][ T7039] ? __might_fault+0x190/0x1d0 [ 85.542260][ T7039] tty_write+0x495/0x800 [ 85.542272][ T7039] ? n_tty_read+0x1b30/0x1b30 [ 85.542285][ T7039] ? put_tty_driver+0x20/0x20 [ 85.542297][ T7039] __vfs_write+0x76/0x100 [ 85.542310][ T7039] vfs_write+0x268/0x5d0 [ 85.542323][ T7039] ksys_write+0x12d/0x250 [ 85.542335][ T7039] ? __ia32_sys_read+0xb0/0xb0 [ 85.542349][ T7039] ? trace_hardirqs_off_caller+0x55/0x230 [ 85.542367][ T7039] do_syscall_64+0xf6/0x7d0 [ 85.542384][ T7039] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 85.542394][ T7039] RIP: 0033:0x441699 [ 85.542406][ T7039] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.542413][ T7039] RSP: 002b:00007ffdf9ee1578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.542425][ T7039] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441699 [ 85.542432][ T7039] RDX: 0000000000000320 RSI: 00000000200001c0 RDI: 0000000000000003 [ 85.542439][ T7039] RBP: 00000000006cc018 R08: 000000000000000e R09: 00000000004002c8 [ 85.542446][ T7039] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402410 [ 85.542453][ T7039] R13: 00000000004024a0 R14: 0000000000000000 R15: 0000000000000000 [ 85.542465][ T7039] Modules linked in: [ 85.542482][ T7039] ---[ end trace 7e061103b279f380 ]--- [ 85.542496][ T7039] RIP: 0010:do_con_write.part.0+0x9a3/0x1dc0 [ 85.542507][ T7039] Code: 24 ae 00 00 00 45 01 ef e8 6a c6 88 fd 48 8b 44 24 60 80 38 00 0f 85 af 11 00 00 49 8b 9c 24 f0 03 00 00 48 89 d8 48 c1 e8 03 <0f> b6 14 28 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 e6 [ 85.542513][ T7039] RSP: 0018:ffffc90001607a58 EFLAGS: 00010202 [ 85.542523][ T7039] RAX: 000000001fffffe9 RBX: 00000000ffffff48 RCX: ffffffff83ea6816 [ 85.542531][ T7039] RDX: 0000000000000000 RSI: ffffffff83ea6866 RDI: 0000000000000003 [ 85.542539][ T7039] RBP: dffffc0000000000 R08: ffff8880a2fd2480 R09: fffffbfff1512a01 [ 85.542547][ T7039] R10: ffffffff8a895007 R11: fffffbfff1512a00 R12: ffff88809f8b3000 [ 85.542554][ T7039] R13: 0000000000000000 R14: ffff88809f8b33dc R15: 0000000000000778 [ 85.542564][ T7039] FS: 0000000000da8880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 85.542597][ T7039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.542604][ T7039] CR2: 00000000006cc090 CR3: 00000000a26c0000 CR4: 00000000001406e0 [ 85.542614][ T7039] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.542621][ T7039] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.542627][ T7039] Kernel panic - not syncing: Fatal exception [ 85.543892][ T7039] Kernel Offset: disabled