forked to background, child pid 3058 no interfaces have a carrier [ 66.397061][ T3059] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.432729][ T3059] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.26' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 87.956984][ T3479] netlink: 244 bytes leftover after parsing attributes in process `syz-executor678'. [ 87.996595][ T3479] ===================================================== [ 88.003621][ T3479] BUG: KMSAN: uninit-value in sctp_inq_pop+0x15c8/0x18f0 [ 88.010665][ T3479] sctp_inq_pop+0x15c8/0x18f0 [ 88.015705][ T3479] sctp_assoc_bh_rcv+0x1fa/0xdd0 [ 88.020672][ T3479] sctp_inq_push+0x31c/0x440 [ 88.025282][ T3479] sctp_backlog_rcv+0x30f/0x10b0 [ 88.030254][ T3479] __release_sock+0x256/0x640 [ 88.034942][ T3479] release_sock+0x98/0x2e0 [ 88.039382][ T3479] sctp_wait_for_connect+0x52a/0x9e0 [ 88.044699][ T3479] sctp_sendmsg_to_asoc+0x1c47/0x1f90 [ 88.050084][ T3479] sctp_sendmsg+0x3eaa/0x5460 [ 88.054778][ T3479] inet_sendmsg+0x15b/0x1d0 [ 88.059301][ T3479] __sys_sendto+0x9ef/0xc70 [ 88.063818][ T3479] __x64_sys_sendto+0x19c/0x210 [ 88.068685][ T3479] do_syscall_64+0x54/0xd0 [ 88.073124][ T3479] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.079056][ T3479] [ 88.081373][ T3479] Uninit was stored to memory at: [ 88.086424][ T3479] sctp_inq_pop+0x155c/0x18f0 [ 88.091111][ T3479] sctp_assoc_bh_rcv+0x1fa/0xdd0 [ 88.096067][ T3479] sctp_inq_push+0x31c/0x440 [ 88.100757][ T3479] sctp_backlog_rcv+0x30f/0x10b0 [ 88.105706][ T3479] __release_sock+0x256/0x640 [ 88.110393][ T3479] release_sock+0x98/0x2e0 [ 88.115097][ T3479] sctp_wait_for_connect+0x52a/0x9e0 [ 88.120406][ T3479] sctp_sendmsg_to_asoc+0x1c47/0x1f90 [ 88.125794][ T3479] sctp_sendmsg+0x3eaa/0x5460 [ 88.130485][ T3479] inet_sendmsg+0x15b/0x1d0 [ 88.135059][ T3479] __sys_sendto+0x9ef/0xc70 [ 88.139579][ T3479] __x64_sys_sendto+0x19c/0x210 [ 88.144450][ T3479] do_syscall_64+0x54/0xd0 [ 88.148887][ T3479] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.154798][ T3479] [ 88.157115][ T3479] Uninit was created at: [ 88.161404][ T3479] __kmalloc_node_track_caller+0xe0c/0x1510 [ 88.167333][ T3479] __alloc_skb+0x545/0xf90 [ 88.171770][ T3479] sctp_packet_transmit+0x194c/0x45a0 [ 88.177175][ T3479] sctp_outq_flush+0x17d9/0x5eb0 [ 88.182142][ T3479] sctp_outq_uncork+0x105/0x120 [ 88.187010][ T3479] sctp_do_sm+0x946f/0x9b50 [ 88.191544][ T3479] sctp_assoc_bh_rcv+0xa15/0xdd0 [ 88.196529][ T3479] sctp_inq_push+0x31c/0x440 [ 88.201131][ T3479] sctp_backlog_rcv+0x30f/0x10b0 [ 88.206081][ T3479] __release_sock+0x256/0x640 [ 88.210774][ T3479] release_sock+0x98/0x2e0 [ 88.215213][ T3479] sctp_wait_for_connect+0x52a/0x9e0 [ 88.220520][ T3479] sctp_sendmsg_to_asoc+0x1c47/0x1f90 [ 88.225925][ T3479] sctp_sendmsg+0x3eaa/0x5460 [ 88.230625][ T3479] inet_sendmsg+0x15b/0x1d0 [ 88.235163][ T3479] __sys_sendto+0x9ef/0xc70 [ 88.239695][ T3479] __x64_sys_sendto+0x19c/0x210 [ 88.244565][ T3479] do_syscall_64+0x54/0xd0 [ 88.248998][ T3479] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.254911][ T3479] [ 88.257228][ T3479] CPU: 0 PID: 3479 Comm: syz-executor678 Not tainted 5.16.0-rc5-syzkaller #0 [ 88.265999][ T3479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.276066][ T3479] ===================================================== [ 88.282990][ T3479] Disabling lock debugging due to kernel taint [ 88.289701][ T3479] Kernel panic - not syncing: kmsan.panic set ... [ 88.296139][ T3479] CPU: 0 PID: 3479 Comm: syz-executor678 Tainted: G B 5.16.0-rc5-syzkaller #0 [ 88.309194][ T3479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.319278][ T3479] Call Trace: [ 88.322576][ T3479] [ 88.325517][ T3479] dump_stack_lvl+0x1ff/0x28e [ 88.330227][ T3479] dump_stack+0x25/0x28 [ 88.334407][ T3479] panic+0x487/0xe1f [ 88.338341][ T3479] ? add_taint+0x181/0x210 [ 88.342770][ T3479] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 88.348598][ T3479] kmsan_report+0x2e6/0x2f0 [ 88.353132][ T3479] ? kmsan_internal_chain_origin+0xf3/0x110 [ 88.359074][ T3479] ? __msan_warning+0xb8/0x130 [ 88.363855][ T3479] ? sctp_inq_pop+0x15c8/0x18f0 [ 88.368722][ T3479] ? sctp_assoc_bh_rcv+0x1fa/0xdd0 [ 88.373860][ T3479] ? sctp_inq_push+0x31c/0x440 [ 88.378663][ T3479] ? sctp_backlog_rcv+0x30f/0x10b0 [ 88.383808][ T3479] ? __release_sock+0x256/0x640 [ 88.388674][ T3479] ? release_sock+0x98/0x2e0 [ 88.393292][ T3479] ? sctp_wait_for_connect+0x52a/0x9e0 [ 88.398778][ T3479] ? sctp_sendmsg_to_asoc+0x1c47/0x1f90 [ 88.404336][ T3479] ? sctp_sendmsg+0x3eaa/0x5460 [ 88.409206][ T3479] ? inet_sendmsg+0x15b/0x1d0 [ 88.413902][ T3479] ? __sys_sendto+0x9ef/0xc70 [ 88.418597][ T3479] ? __x64_sys_sendto+0x19c/0x210 [ 88.423642][ T3479] ? do_syscall_64+0x54/0xd0 [ 88.428263][ T3479] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.434352][ T3479] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.440470][ T3479] ? kmsan_get_metadata+0x33/0x220 [ 88.445605][ T3479] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 88.451876][ T3479] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 88.457992][ T3479] ? kmsan_get_metadata+0x33/0x220 [ 88.463129][ T3479] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.468966][ T3479] ? skb_pull+0x26f/0x290 [ 88.473314][ T3479] ? kmsan_get_metadata+0x33/0x220 [ 88.478447][ T3479] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.484293][ T3479] __msan_warning+0xb8/0x130 [ 88.488926][ T3479] sctp_inq_pop+0x15c8/0x18f0 [ 88.493655][ T3479] sctp_assoc_bh_rcv+0x1fa/0xdd0 [ 88.498651][ T3479] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.504486][ T3479] ? sctp_assoc_lookup_asconf_ack+0x2d0/0x2d0 [ 88.510586][ T3479] sctp_inq_push+0x31c/0x440 [ 88.515201][ T3479] sctp_backlog_rcv+0x30f/0x10b0 [ 88.520168][ T3479] ? sctp_add_backlog+0xb10/0xb10 [ 88.525219][ T3479] __release_sock+0x256/0x640 [ 88.529927][ T3479] release_sock+0x98/0x2e0 [ 88.534379][ T3479] sctp_wait_for_connect+0x52a/0x9e0 [ 88.539724][ T3479] ? init_wait_entry+0x190/0x190 [ 88.544699][ T3479] sctp_sendmsg_to_asoc+0x1c47/0x1f90 [ 88.550122][ T3479] sctp_sendmsg+0x3eaa/0x5460 [ 88.554839][ T3479] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.560674][ T3479] ? sctp_getsockopt+0x2170/0x2170 [ 88.565816][ T3479] inet_sendmsg+0x15b/0x1d0 [ 88.570371][ T3479] ? inet_send_prepare+0x6c0/0x6c0 [ 88.575524][ T3479] __sys_sendto+0x9ef/0xc70 [ 88.580061][ T3479] ? kmsan_get_metadata+0x33/0x220 [ 88.585200][ T3479] ? kmsan_get_metadata+0x33/0x220 [ 88.590334][ T3479] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 88.596167][ T3479] __x64_sys_sendto+0x19c/0x210 [ 88.601049][ T3479] do_syscall_64+0x54/0xd0 [ 88.605487][ T3479] ? exc_page_fault+0x76/0x150 [ 88.610280][ T3479] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 88.616191][ T3479] RIP: 0033:0x7fb5b6885129 [ 88.620609][ T3479] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 [ 88.640232][ T3479] RSP: 002b:00007ffdce53a3b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 88.648666][ T3479] RAX: ffffffffffffffda RBX: 0100000000000000 RCX: 00007fb5b6885129 [ 88.656654][ T3479] RDX: 0000000000034000 RSI: 0000000020847fff RDI: 0000000000000005 [ 88.664641][ T3479] RBP: 0000000000000000 R08: 000000002005ffe4 R09: 000000000000001c [ 88.672624][ T3479] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5b68489b0 [ 88.680605][ T3479] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 88.688609][ T3479] [ 88.691902][ T3479] Kernel Offset: disabled [ 88.696229][ T3479] Rebooting in 86400 seconds..