DUID 00:04:98:96:05:40:f2:aa:0a:66:7a:29:c2:20:2e:76:e0:ec forked to background, child pid 3182 [ 29.166813][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.180405][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.228' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.132129][ T3597] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 50.143845][ T3597] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 50.152234][ T3597] CPU: 1 PID: 3597 Comm: syz-executor403 Not tainted 5.16.0-rc5-syzkaller #0 [ 50.160971][ T3597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.171001][ T3597] RIP: 0010:sg_alloc_append_table_from_pages+0x821/0xdb0 [ 50.178013][ T3597] 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 [ 50.197599][ T3597] RSP: 0018:ffffc90001effc48 EFLAGS: 00010202 [ 50.203643][ T3597] RAX: 0000000000000002 RBX: 0000000000000001 RCX: dffffc0000000000 [ 50.211596][ T3597] RDX: ffff888023b18000 RSI: 0000000000000000 RDI: 0000000000000010 [ 50.219636][ T3597] RBP: 00000000fffff000 R08: fffffffffffff000 R09: ffff888014db6980 [ 50.227584][ T3597] R10: ffffffff83d88f50 R11: 0000000000000000 R12: 0000000000000002 [ 50.235537][ T3597] R13: ffff888014db6980 R14: 0000000000000000 R15: 0000000000000010 [ 50.243492][ T3597] FS: 0000555556744300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 50.252411][ T3597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.258979][ T3597] CR2: 0000000020005b4c CR3: 00000000238d2000 CR4: 00000000003506e0 [ 50.266935][ T3597] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.274887][ T3597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.282839][ T3597] Call Trace: [ 50.286099][ T3597] [ 50.289015][ T3597] sg_alloc_table_from_pages_segment+0xc9/0x260 [ 50.295242][ T3597] ? sg_alloc_append_table_from_pages+0xdb0/0xdb0 [ 50.301636][ T3597] ? rcu_read_lock_sched_held+0x3a/0x70 [ 50.307168][ T3597] get_sg_table.isra.0+0xbb/0x160 [ 50.312176][ T3597] begin_cpu_udmabuf+0x130/0x1d0 [ 50.317095][ T3597] ? map_udmabuf+0xa0/0xa0 [ 50.321492][ T3597] dma_buf_begin_cpu_access+0xfd/0x1d0 [ 50.326930][ T3597] dma_buf_ioctl+0x29a/0x380 [ 50.331499][ T3597] ? dma_buf_begin_cpu_access+0x1d0/0x1d0 [ 50.337203][ T3597] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 50.343424][ T3597] ? dma_buf_begin_cpu_access+0x1d0/0x1d0 [ 50.349125][ T3597] __x64_sys_ioctl+0x193/0x200 [ 50.353872][ T3597] do_syscall_64+0x35/0xb0 [ 50.358279][ T3597] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.364155][ T3597] RIP: 0033:0x7ff9d2d62069 [ 50.368546][ T3597] 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 [ 50.388132][ T3597] RSP: 002b:00007fff7fc2d718 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.396523][ T3597] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9d2d62069 [ 50.404473][ T3597] RDX: 0000000020000000 RSI: 0000000040086200 RDI: 0000000000000004 [ 50.412420][ T3597] RBP: 00007ff9d2d26050 R08: 0000000000000000 R09: 0000000000000000 [ 50.420370][ T3597] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff9d2d260e0 [ 50.428323][ T3597] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.436283][ T3597] [ 50.439281][ T3597] Modules linked in: [ 50.443427][ T3597] ---[ end trace a3fd5d84989cc6e3 ]--- [ 50.448876][ T3597] RIP: 0010:sg_alloc_append_table_from_pages+0x821/0xdb0 [ 50.456126][ T3597] 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 [ 50.476137][ T3597] RSP: 0018:ffffc90001effc48 EFLAGS: 00010202 [ 50.482210][ T3597] RAX: 0000000000000002 RBX: 0000000000000001 RCX: dffffc0000000000 [ 50.490179][ T3597] RDX: ffff888023b18000 RSI: 0000000000000000 RDI: 0000000000000010 [ 50.498163][ T3597] RBP: 00000000fffff000 R08: fffffffffffff000 R09: ffff888014db6980 [ 50.506161][ T3597] R10: ffffffff83d88f50 R11: 0000000000000000 R12: 0000000000000002 [ 50.514139][ T3597] R13: ffff888014db6980 R14: 0000000000000000 R15: 0000000000000010 [ 50.522112][ T3597] FS: 0000555556744300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 50.531135][ T3597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.537704][ T3597] CR2: 0000000020005b4c CR3: 00000000238d2000 CR4: 00000000003506e0 [ 50.545716][ T3597] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.553713][ T3597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.561727][ T3597] Kernel panic - not syncing: Fatal exception [ 50.568015][ T3597] Kernel Offset: disabled [ 50.572320][ T3597] Rebooting in 86400 seconds..