invalid inflight: 1 state 4 cwnd 10 mss 1448 protocol 88fb is buggy, dev hsr_slave_0 ------------[ cut here ]------------ protocol 88fb is buggy, dev hsr_slave_1 WARNING: CPU: 1 PID: 7143 at net/ipv4/tcp_output.c:2507 tcp_send_loss_probe.cold+0x83/0xa2 net/ipv4/tcp_output.c:2507 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7143 Comm: syz-executor.4 Not tainted 4.14.144 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 panic+0x1f2/0x426 kernel/panic.c:182 kobject: 'loop2' (ffff8880a497a6e0): kobject_uevent_env __warn.cold+0x2f/0x36 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 kobject: 'loop2' (ffff8880a497a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:tcp_send_loss_probe.cold+0x83/0xa2 net/ipv4/tcp_output.c:2507 RSP: 0018:ffff8880aef07cb8 EFLAGS: 00010282 RAX: 000000000000002c RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffff888098ad7010 RDI: ffffed1015de0f8d RBP: ffff8880aef07ce8 R08: 000000000000002c R09: ffff888098ad7030 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806ffc4000 R13: 0000000000000001 R14: 00000000000005a8 R15: 000000000000000a tcp_write_timer_handler+0x4a8/0x7e0 net/ipv4/tcp_timer.c:575 tcp_write_timer+0xd8/0x180 net/ipv4/tcp_timer.c:597 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1634 [inline] __run_timers kernel/time/timer.c:1602 [inline] run_timer_softirq+0x5b4/0x1570 kernel/time/timer.c:1647 kobject: 'loop2' (ffff8880a497a6e0): kobject_uevent_env kobject: 'loop2' (ffff8880a497a6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102 kobject: 'loop1' (ffff8880a4922660): kobject_uevent_env apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 kobject: 'loop1' (ffff8880a4922660): fill_kobj_path: path = '/devices/virtual/block/loop1' RIP: 0010:save_stack_address+0x14/0x60 arch/x86/kernel/stacktrace.c:21 RSP: 0018:ffff88807a6474b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 kobject: 'loop3' (ffff8880a49b4960): kobject_uevent_env RAX: 0000000000000000 RBX: ffff88807a647578 RCX: 1ffff1100f4c8ea3 RDX: 0000000000000000 RSI: ffffffff85241701 RDI: ffff88807a647578 RBP: ffff88807a6474c8 R08: 0000000000000001 R09: ffff88807a647530 R10: ffff88807a647500 R11: ffff88807a647510 R12: ffffffff85241701 R13: 0000000000000000 R14: ffff888098ad6740 R15: ffff8880aa800ac0 kobject: 'loop3' (ffff8880a49b4960): fill_kobj_path: path = '/devices/virtual/block/loop3' __save_stack_trace+0x5e/0xd0 arch/x86/kernel/stacktrace.c:46 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 kobject: 'loop0' (ffff8880a489a5e0): kobject_uevent_env set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529 kmem_cache_alloc_node_trace+0x153/0x770 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb_fclone include/linux/skbuff.h:1022 [inline] sk_stream_alloc_skb+0xb3/0x780 net/ipv4/tcp.c:855 tcp_sendmsg_locked+0xf61/0x3200 net/ipv4/tcp.c:1301 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1457 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 sock_write_iter+0x21d/0x390 net/socket.c:925 call_write_iter include/linux/fs.h:1777 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x4a7/0x6b0 fs/read_write.c:482 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'loop0' (ffff8880a489a5e0): fill_kobj_path: path = '/devices/virtual/block/loop0' RIP: 0033:0x4598e9 protocol 88fb is buggy, dev hsr_slave_0 RSP: 002b:00007fd8c960ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 00000000fffffebd RSI: 0000000020000140 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd8c960b6d4 R13: 00000000004c9a89 R14: 00000000004e1190 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_1 Kernel Offset: disabled Rebooting in 86400 seconds..