forked to background, child pid 3180 no interfaces have a carrier [ 22.073226][ T3181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.086749][ T3181] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.164' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.077890][ T3595] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 37.089759][ T3595] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 37.098144][ T3595] CPU: 1 PID: 3595 Comm: syz-executor559 Not tainted 5.16.0-rc5-syzkaller #0 [ 37.106878][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.117171][ T3595] RIP: 0010:sg_alloc_append_table_from_pages+0x821/0xdb0 [ 37.124196][ T3595] Code: 0c 24 48 8b 4c 24 48 48 39 c8 48 0f 46 c8 89 f0 4c 8d 3c c7 48 89 4c 24 30 48 b9 00 00 00 00 00 fc ff df 4c 89 f8 48 c1 e8 03 <80> 3c 08 00 0f 85 24 05 00 00 4d 8b 3f 4c 89 e0 31 ff 83 e0 03 48 [ 37.143781][ T3595] RSP: 0018:ffffc90002d0fc48 EFLAGS: 00010212 [ 37.149826][ T3595] RAX: 0000000000000002 RBX: 0000000000000001 RCX: dffffc0000000000 [ 37.157773][ T3595] RDX: ffff888021fd5700 RSI: 0000000000000000 RDI: 0000000000000010 [ 37.165913][ T3595] RBP: 00000000fffff000 R08: fffffffffffff000 R09: ffff8880189ddb00 [ 37.173985][ T3595] R10: ffffffff83d88b30 R11: 0000000000000000 R12: 0000000000000002 [ 37.181949][ T3595] R13: ffff8880189ddb00 R14: 0000000000000000 R15: 0000000000000010 [ 37.189919][ T3595] FS: 000055555652c300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 37.198837][ T3595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.205403][ T3595] CR2: 0000000020005b4c CR3: 00000000176ae000 CR4: 0000000000350ee0 [ 37.213359][ T3595] Call Trace: [ 37.216621][ T3595] [ 37.219548][ T3595] sg_alloc_table_from_pages_segment+0xc9/0x260 [ 37.225778][ T3595] ? sg_alloc_append_table_from_pages+0xdb0/0xdb0 [ 37.232183][ T3595] ? rcu_read_lock_sched_held+0x3a/0x70 [ 37.237721][ T3595] get_sg_table.isra.0+0xbb/0x160 [ 37.242735][ T3595] begin_cpu_udmabuf+0x130/0x1d0 [ 37.247656][ T3595] ? map_udmabuf+0xa0/0xa0 [ 37.252141][ T3595] dma_buf_begin_cpu_access+0xfd/0x1d0 [ 37.257588][ T3595] dma_buf_ioctl+0x29a/0x380 [ 37.262162][ T3595] ? dma_buf_begin_cpu_access+0x1d0/0x1d0 [ 37.268073][ T3595] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 37.274501][ T3595] ? dma_buf_begin_cpu_access+0x1d0/0x1d0 [ 37.280214][ T3595] __x64_sys_ioctl+0x193/0x200 [ 37.285325][ T3595] do_syscall_64+0x35/0xb0 [ 37.289837][ T3595] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 37.295720][ T3595] RIP: 0033:0x7f57966b60a9 [ 37.300128][ 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 [ 37.319729][ T3595] RSP: 002b:00007ffea34a0a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.328136][ T3595] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f57966b60a9 [ 37.336095][ T3595] RDX: 0000000020000000 RSI: 0000000040086200 RDI: 0000000000000004 [ 37.344054][ T3595] RBP: 00007f579667a090 R08: 0000000000000000 R09: 0000000000000000 [ 37.352014][ T3595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f579667a120 [ 37.359974][ T3595] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.367937][ T3595] [ 37.370938][ T3595] Modules linked in: [ 37.375063][ T3595] ---[ end trace ed55bd5e5ccee2ad ]--- [ 37.380533][ T3595] RIP: 0010:sg_alloc_append_table_from_pages+0x821/0xdb0 [ 37.387852][ T3595] Code: 0c 24 48 8b 4c 24 48 48 39 c8 48 0f 46 c8 89 f0 4c 8d 3c c7 48 89 4c 24 30 48 b9 00 00 00 00 00 fc ff df 4c 89 f8 48 c1 e8 03 <80> 3c 08 00 0f 85 24 05 00 00 4d 8b 3f 4c 89 e0 31 ff 83 e0 03 48 [ 37.407537][ T3595] RSP: 0018:ffffc90002d0fc48 EFLAGS: 00010212 [ 37.413603][ T3595] RAX: 0000000000000002 RBX: 0000000000000001 RCX: dffffc0000000000 [ 37.421614][ T3595] RDX: ffff888021fd5700 RSI: 0000000000000000 RDI: 0000000000000010 [ 37.429617][ T3595] RBP: 00000000fffff000 R08: fffffffffffff000 R09: ffff8880189ddb00 [ 37.437610][ T3595] R10: ffffffff83d88b30 R11: 0000000000000000 R12: 0000000000000002 [ 37.445811][ T3595] R13: ffff8880189ddb00 R14: 0000000000000000 R15: 0000000000000010 [ 37.453777][ T3595] FS: 000055555652c300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 37.462862][ T3595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.469485][ T3595] CR2: 000055c8ef357220 CR3: 00000000176ae000 CR4: 0000000000350ef0 [ 37.477493][ T3595] Kernel panic - not syncing: Fatal exception [ 37.484462][ T3595] Kernel Offset: disabled [ 37.488778][ T3595] Rebooting in 86400 seconds..