Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.717756] kasan: CONFIG_KASAN_INLINE enabled [ 43.722536] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.730280] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 43.736529] CPU: 0 PID: 7593 Comm: syz-executor813 Not tainted 5.0.0+ #7 [ 43.743345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.752692] RIP: 0010:sctp_sched_rr_dequeue+0xd3/0x170 [ 43.757946] Code: ea 03 80 3c 02 00 0f 85 a2 00 00 00 48 8b 5b 08 e8 62 20 ee fa 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 53 4c 8b 6b 30 4c 89 e7 49 83 ed 18 4c 89 ee e8 b4 [ 43.776832] RSP: 0018:ffff88809024f040 EFLAGS: 00010206 [ 43.782176] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8679cd9f [ 43.789436] RDX: 0000000000000006 RSI: ffffffff8681c41e RDI: 0000000000000030 [ 43.796703] RBP: ffff88809024f058 R08: ffff888090514180 R09: 0000000000000002 [ 43.803951] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff88808fcd72e0 [ 43.811200] R13: ffff88808fcd6bc0 R14: dffffc0000000000 R15: ffff88809024f198 [ 43.818453] FS: 0000000000d97880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 43.826655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.832527] CR2: 0000000020000080 CR3: 00000000a5b8d000 CR4: 00000000001406f0 [ 43.839791] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.847040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.854289] Call Trace: [ 43.856861] sctp_outq_flush+0xba2/0x2790 [ 43.860996] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 43.866428] ? sctp_chunkify+0x4b/0x290 [ 43.870384] ? __sctp_outq_teardown+0xc60/0xc60 [ 43.875033] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 43.880554] ? sctp_outq_tail+0x681/0x930 [ 43.884685] sctp_outq_uncork+0x6c/0x80 [ 43.888645] sctp_do_sm+0x513/0x5390 [ 43.892349] ? __lock_acquire+0x53b/0x4700 [ 43.896564] ? __sys_sendmsg+0x105/0x1d0 [ 43.900614] ? sctp_do_8_2_transport_strike.isra.0+0x940/0x940 [ 43.906565] ? mark_held_locks+0x100/0x100 [ 43.910781] ? sctp_assoc_bh_rcv+0x2fc/0x660 [ 43.915170] ? find_held_lock+0x35/0x130 [ 43.919209] ? sctp_assoc_bh_rcv+0x2fc/0x660 [ 43.923604] ? kvm_clock_read+0x18/0x30 [ 43.927581] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 43.932585] ? ktime_get+0x208/0x300 [ 43.936281] sctp_assoc_bh_rcv+0x343/0x660 [ 43.940502] sctp_inq_push+0x1ea/0x290 [ 43.944379] sctp_backlog_rcv+0x189/0xbc0 [ 43.948511] ? __local_bh_enable_ip+0x15a/0x270 [ 43.953158] ? sctp_hash_obj+0x5e0/0x5e0 [ 43.957197] ? __release_sock+0xca/0x3a0 [ 43.961238] ? __local_bh_enable_ip+0x15a/0x270 [ 43.965893] __release_sock+0x12e/0x3a0 [ 43.969852] release_sock+0x59/0x1c0 [ 43.973544] sctp_wait_for_connect+0x316/0x540 [ 43.978105] ? sctp_get_port+0x180/0x180 [ 43.982152] ? finish_wait+0x260/0x260 [ 43.986019] ? sctp_datamsg_put+0x36/0x4d0 [ 43.990236] ? sctp_primitive_SEND+0xa0/0xd0 [ 43.994624] sctp_sendmsg_to_asoc+0x13e2/0x17d0 [ 43.999280] ? sctp_clear_owner_w+0x120/0x120 [ 44.003754] ? sctp_autobind+0x1f0/0x1f0 [ 44.007809] ? lock_downgrade+0x810/0x810 [ 44.011942] ? kasan_check_read+0x11/0x20 [ 44.016073] sctp_sendmsg+0x10a9/0x17e0 [ 44.020029] ? sctp_id2assoc+0x2c0/0x2c0 [ 44.024070] ? __might_sleep+0x95/0x190 [ 44.028025] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 44.032936] ? aa_sk_perm+0x1c6/0x7c0 [ 44.036715] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 44.041540] inet_sendmsg+0x147/0x5d0 [ 44.045328] ? ipip_gro_receive+0x100/0x100 [ 44.049639] sock_sendmsg+0xdd/0x130 [ 44.053342] ___sys_sendmsg+0x806/0x930 [ 44.057295] ? copy_msghdr_from_user+0x430/0x430 [ 44.062033] ? _raw_spin_unlock_bh+0x31/0x40 [ 44.066417] ? release_sock+0x158/0x1c0 [ 44.070372] ? sctp_setsockopt+0x165/0x68a0 [ 44.074683] ? sctp_setsockopt_paddr_thresholds+0x540/0x540 [ 44.080384] ? lockdep_hardirqs_on+0x415/0x5d0 [ 44.084951] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 44.089881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.095401] ? __fget_light+0x1a9/0x230 [ 44.099353] ? __fdget+0x1b/0x20 [ 44.102714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.108241] __sys_sendmsg+0x105/0x1d0 [ 44.112123] ? __ia32_sys_shutdown+0x80/0x80 [ 44.116517] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.121257] ? do_syscall_64+0x26/0x610 [ 44.125211] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.130554] ? do_syscall_64+0x26/0x610 [ 44.134512] __x64_sys_sendmsg+0x78/0xb0 [ 44.138557] do_syscall_64+0x103/0x610 [ 44.142429] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.147597] RIP: 0033:0x440159 [ 44.150771] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.169654] RSP: 002b:00007ffcaa5bef08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 44.177345] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440159 [ 44.184595] RDX: 0000000000000000 RSI: 000000002001afc8 RDI: 0000000000000003 [ 44.191847] RBP: 00000000006ca018 R08: 0000000000000002 R09: 00000000004002c8 [ 44.199099] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000004019e0 [ 44.206354] R13: 0000000000401a70 R14: 0000000000000000 R15: 0000000000000000 [ 44.213606] Modules linked in: [ 44.217620] ---[ end trace ef0ebf2f1bb10a42 ]--- [ 44.222458] RIP: 0010:sctp_sched_rr_dequeue+0xd3/0x170 [ 44.227719] Code: ea 03 80 3c 02 00 0f 85 a2 00 00 00 48 8b 5b 08 e8 62 20 ee fa 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 53 4c 8b 6b 30 4c 89 e7 49 83 ed 18 4c 89 ee e8 b4 [ 44.246637] RSP: 0018:ffff88809024f040 EFLAGS: 00010206 [ 44.252011] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8679cd9f [ 44.259292] RDX: 0000000000000006 RSI: ffffffff8681c41e RDI: 0000000000000030 [ 44.266570] RBP: ffff88809024f058 R08: ffff888090514180 R09: 0000000000000002 [ 44.273854] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff88808fcd72e0 [ 44.281134] R13: ffff88808fcd6bc0 R14: dffffc0000000000 R15: ffff88809024f198 [ 44.288425] FS: 0000000000d97880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 44.296645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.302542] CR2: 0000000020000080 CR3: 00000000a5b8d000 CR4: 00000000001406f0 [ 44.309826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.317100] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.324384] Kernel panic - not syncing: Fatal exception [ 44.330447] Kernel Offset: disabled [ 44.334067] Rebooting in 86400 seconds..