Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 69.384776][ T28] audit: type=1400 audit(1594290734.724:8): avc: denied { execmem } for pid=6810 comm="syz-executor779" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 69.528401][ T6810] BUG: kernel NULL pointer dereference, address: 0000000000000286 [ 69.528411][ T6810] #PF: supervisor write access in kernel mode [ 69.528418][ T6810] #PF: error_code(0x0002) - not-present page [ 69.528422][ T6810] PGD a75a9067 P4D a75a9067 PUD 9ff52067 PMD 0 [ 69.528442][ T6810] Oops: 0002 [#1] PREEMPT SMP KASAN [ 69.528455][ T6810] CPU: 1 PID: 6810 Comm: syz-executor779 Not tainted 5.8.0-rc4-syzkaller #0 [ 69.528462][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.528482][ T6810] RIP: 0010:__syscall_return_slowpath+0x26/0x280 [ 69.528494][ T6810] Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d 11 60 b4 08 00 48 8b 18 74 3f 48 89 fd 9c 58 0f 1f 44 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 69.528500][ T6810] RSP: 0018:ffffc90001617f18 EFLAGS: 00010286 [ 69.528508][ T6810] RAX: 0000000000000286 RBX: 0000000000004000 RCX: 0000000000000000 [ 69.528515][ T6810] RDX: ffff8880a81a42c0 RSI: ffffffff8164312d RDI: ffffc90001617f58 [ 69.528522][ T6810] RBP: ffffc90001617f58 R08: 0000000000000000 R09: 0000000000000000 [ 69.528528][ T6810] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 69.528534][ T6810] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 69.528544][ T6810] FS: 0000000000f78940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 69.528551][ T6810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.528558][ T6810] CR2: 0000000000000286 CR3: 00000000a61b6000 CR4: 00000000001406e0 [ 69.528569][ T6810] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.528584][ T6810] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.528588][ T6810] Call Trace: [ 69.528606][ T6810] do_syscall_64+0x6c/0xe0 [ 69.528618][ T6810] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.528627][ T6810] RIP: 0033:0x471300 [ 69.528631][ T6810] Code: Bad RIP value. [ 69.528637][ T6810] RSP: 002b:00007ffe543a0c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 69.528647][ T6810] RAX: 0000000000000000 RBX: 0000000000010f5f RCX: 0000000000471300 [ 69.528653][ T6810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe543a0c20 [ 69.528660][ T6810] RBP: 0000000000001a9c R08: 0000000000000000 R09: 0000000000f78940 [ 69.528666][ T6810] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 69.528672][ T6810] R13: 0000000000403330 R14: 0000000000000000 R15: 0000000000000000 [ 69.528681][ T6810] Modules linked in: [ 69.528690][ T6810] CR2: 0000000000000286 [ 69.528705][ T6810] ---[ end trace d9effe6c2d745df2 ]--- [ 69.528730][ T6810] RIP: 0010:__syscall_return_slowpath+0x26/0x280 [ 69.528741][ T6810] Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d 11 60 b4 08 00 48 8b 18 74 3f 48 89 fd 9c 58 0f 1f 44 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 69.528747][ T6810] RSP: 0018:ffffc90001617f18 EFLAGS: 00010286 [ 69.528756][ T6810] RAX: 0000000000000286 RBX: 0000000000004000 RCX: 0000000000000000 [ 69.528763][ T6810] RDX: ffff8880a81a42c0 RSI: ffffffff8164312d RDI: ffffc90001617f58 [ 69.528770][ T6810] RBP: ffffc90001617f58 R08: 0000000000000000 R09: 0000000000000000 [ 69.528776][ T6810] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 69.528782][ T6810] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 69.528791][ T6810] FS: 0000000000f78940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 69.528799][ T6810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.528805][ T6810] CR2: 0000000000000286 CR3: 00000000a61b6000 CR4: 00000000001406e0 [ 69.528815][ T6810] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.528822][ T6810] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.528828][ T6810] Kernel panic - not syncing: Fatal exception [ 69.529895][ T6810] Kernel Offset: disabled [ 69.895709][ T6810] Rebooting in 86400 seconds..