Warning: Permanently added '10.128.1.34' (ECDSA) to the list of known hosts. executing program [ 71.323989][ T8426] divide error: 0000 [#1] PREEMPT SMP KASAN [ 71.329970][ T8426] CPU: 0 PID: 8426 Comm: syz-executor478 Not tainted 5.12.0-rc4-syzkaller #0 [ 71.338716][ T8426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.348873][ T8426] RIP: 0010:__tcp_select_window+0x56d/0xad0 [ 71.354787][ T8426] Code: 44 89 ff e8 d5 cd f0 f9 45 39 e7 0f 8d 20 ff ff ff e8 f7 c7 f0 f9 44 89 e3 e9 13 ff ff ff e8 ea c7 f0 f9 44 89 e0 44 89 e3 99 7c 24 04 29 d3 e9 fc fe ff ff e8 d3 c7 f0 f9 41 f7 dc bf 1f 00 [ 71.374411][ T8426] RSP: 0018:ffffc9000184fac0 EFLAGS: 00010293 [ 71.380473][ T8426] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.388444][ T8426] RDX: 0000000000000000 RSI: ffffffff87832e76 RDI: 0000000000000003 [ 71.396405][ T8426] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 71.404360][ T8426] R10: ffffffff87832e14 R11: 0000000000000000 R12: 0000000000000000 [ 71.412313][ T8426] R13: 1ffff92000309f5c R14: 0000000000000000 R15: 0000000000000000 [ 71.420320][ T8426] FS: 00000000023eb300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 71.429287][ T8426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.435865][ T8426] CR2: 00007fc2b5f426c0 CR3: 000000001c5cf000 CR4: 00000000001506f0 [ 71.443829][ T8426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.451786][ T8426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.460239][ T8426] Call Trace: [ 71.463508][ T8426] ? tcp_schedule_loss_probe+0x70/0x70 [ 71.468960][ T8426] __tcp_transmit_skb+0xa82/0x38f0 [ 71.474060][ T8426] ? __tcp_select_window+0xad0/0xad0 [ 71.479333][ T8426] ? find_held_lock+0x2d/0x110 [ 71.484085][ T8426] ? ktime_get+0x38a/0x470 [ 71.488487][ T8426] ? lockdep_hardirqs_on+0x79/0x100 [ 71.493699][ T8426] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 71.499401][ T8426] ? ktime_get+0x30b/0x470 [ 71.503819][ T8426] tcp_send_active_reset+0x475/0x8e0 [ 71.509104][ T8426] tcp_disconnect+0x15a9/0x1e60 [ 71.516295][ T8426] inet_shutdown+0x260/0x430 [ 71.520876][ T8426] __sys_shutdown+0xf1/0x1b0 [ 71.525575][ T8426] ? __sys_shutdown_sock+0xa0/0xa0 [ 71.530680][ T8426] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.536623][ T8426] __x64_sys_shutdown+0x50/0x70 [ 71.541470][ T8426] do_syscall_64+0x2d/0x70 [ 71.545895][ T8426] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.551943][ T8426] RIP: 0033:0x43ef39 [ 71.555959][ T8426] 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 [ 71.576154][ T8426] RSP: 002b:00007fff9ef5fe08 EFLAGS: 00000246 ORIG_RAX: 0000000000000030 [ 71.584608][ T8426] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ef39 [ 71.592617][ T8426] RDX: 000000000043ef39 RSI: 0000000000000001 RDI: 0000000000000003 [ 71.601260][ T8426] RBP: 0000000000402f20 R08: 0000000000400488 R09: 0000000000400488 [ 71.611991][ T8426] R10: 0000000000400488 R11: 0000000000000246 R12: 0000000000402fb0 [ 71.620202][ T8426] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 71.628190][ T8426] Modules linked in: [ 71.633240][ T8426] ---[ end trace 8d7a55047d07ab8a ]--- [ 71.638944][ T8426] RIP: 0010:__tcp_select_window+0x56d/0xad0 [ 71.645189][ T8426] Code: 44 89 ff e8 d5 cd f0 f9 45 39 e7 0f 8d 20 ff ff ff e8 f7 c7 f0 f9 44 89 e3 e9 13 ff ff ff e8 ea c7 f0 f9 44 89 e0 44 89 e3 99 7c 24 04 29 d3 e9 fc fe ff ff e8 d3 c7 f0 f9 41 f7 dc bf 1f 00 [ 71.665270][ T8426] RSP: 0018:ffffc9000184fac0 EFLAGS: 00010293 [ 71.671436][ T8426] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.679729][ T8426] RDX: 0000000000000000 RSI: ffffffff87832e76 RDI: 0000000000000003 [ 71.688215][ T8426] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 71.698452][ T8426] R10: ffffffff87832e14 R11: 0000000000000000 R12: 0000000000000000 [ 71.706627][ T8426] R13: 1ffff92000309f5c R14: 0000000000000000 R15: 0000000000000000 [ 71.715055][ T8426] FS: 00000000023eb300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 71.724098][ T8426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.730723][ T8426] CR2: 00007fc2b5f426c0 CR3: 000000001c5cf000 CR4: 00000000001506f0 [ 71.738783][ T8426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.746863][ T8426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.754862][ T8426] Kernel panic - not syncing: Fatal exception [ 71.761402][ T8426] Kernel Offset: disabled [ 71.765934][ T8426] Rebooting in 86400 seconds..