DUID 00:04:a3:03:08:15:93:78:e3:1f:4c:1c:fb:56:e6:f5:4b:05 forked to background, child pid 3173 [ 26.750468][ T3174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.760146][ T3174] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.402978][ T3595] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 49.414708][ T3595] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 49.423102][ T3595] CPU: 1 PID: 3595 Comm: syz-executor814 Not tainted 5.17.0-next-20220328-syzkaller #0 [ 49.432710][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.442744][ T3595] RIP: 0010:dma_fence_array_first+0x78/0xb0 [ 49.448639][ T3595] Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 43 48 8b 9b 88 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 75 1b 4c 8b 23 e8 fa a9 e0 fc 4c 89 e0 5b 41 5c c3 45 [ 49.468228][ T3595] RSP: 0018:ffffc90003a4fd48 EFLAGS: 00010202 [ 49.474274][ T3595] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 49.482269][ T3595] RDX: 0000000000000002 RSI: ffffffff84980052 RDI: ffff888015c76388 [ 49.490243][ T3595] RBP: ffff888015c76300 R08: 0000000000000000 R09: ffff888015c7633b [ 49.498203][ T3595] R10: ffffffff8498f6ba R11: 0000000000000000 R12: ffff888015c76300 [ 49.506164][ T3595] R13: ffff888015c76690 R14: 00000000c0383e04 R15: 0000000020001840 [ 49.514123][ T3595] FS: 0000555556872300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 49.523047][ T3595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.529624][ T3595] CR2: 0000000020001528 CR3: 000000001e82f000 CR4: 00000000003506e0 [ 49.537587][ T3595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.545543][ T3595] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.553510][ T3595] Call Trace: [ 49.556775][ T3595] [ 49.559693][ T3595] sync_file_ioctl+0x248/0x22c0 [ 49.564556][ T3595] ? sync_file_get_name+0x2f0/0x2f0 [ 49.569753][ T3595] ? __context_tracking_exit+0xb8/0xe0 [ 49.575222][ T3595] ? aa_create_aafs+0x562/0x928 [ 49.580071][ T3595] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.586307][ T3595] ? sync_file_get_name+0x2f0/0x2f0 [ 49.591518][ T3595] __x64_sys_ioctl+0x193/0x200 [ 49.596283][ T3595] do_syscall_64+0x35/0x80 [ 49.600687][ T3595] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.606584][ T3595] RIP: 0033:0x7f6aae8951b9 [ 49.610990][ T3595] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 49.630584][ T3595] RSP: 002b:00007ffedd290238 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.638985][ T3595] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6aae8951b9 [ 49.646946][ T3595] RDX: 0000000020001840 RSI: 00000000c0383e04 RDI: 0000000000000007 [ 49.654905][ T3595] RBP: 00007f6aae8591a0 R08: 0000000000000000 R09: 0000000000000000 [ 49.662860][ T3595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6aae859230 [ 49.670818][ T3595] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.678777][ T3595] [ 49.681781][ T3595] Modules linked in: [ 49.685820][ T3595] ---[ end trace 0000000000000000 ]--- [ 49.691385][ T3595] RIP: 0010:dma_fence_array_first+0x78/0xb0 [ 49.697342][ T3595] Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 43 48 8b 9b 88 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 75 1b 4c 8b 23 e8 fa a9 e0 fc 4c 89 e0 5b 41 5c c3 45 [ 49.716990][ T3595] RSP: 0018:ffffc90003a4fd48 EFLAGS: 00010202 [ 49.723072][ T3595] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 0000000000000000 [ 49.731025][ T3595] RDX: 0000000000000002 RSI: ffffffff84980052 RDI: ffff888015c76388 [ 49.739004][ T3595] RBP: ffff888015c76300 R08: 0000000000000000 R09: ffff888015c7633b [ 49.746996][ T3595] R10: ffffffff8498f6ba R11: 0000000000000000 R12: ffff888015c76300 [ 49.754975][ T3595] R13: ffff888015c76690 R14: 00000000c0383e04 R15: 0000000020001840 [ 49.762956][ T3595] FS: 0000555556872300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 49.771867][ T3595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.778461][ T3595] CR2: 0000000020001528 CR3: 000000001e82f000 CR4: 00000000003506e0 [ 49.786440][ T3595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.794572][ T3595] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.802670][ T3595] Kernel panic - not syncing: Fatal exception [ 49.808874][ T3595] Kernel Offset: disabled [ 49.813185][ T3595] Rebooting in 86400 seconds..