------------[ cut here ]------------ WARNING: CPU: 0 PID: 23608 at net/ipv4/tcp_timer.c:429 tcp_retransmit_timer+0x1ac5/0x2560 net/ipv4/tcp_timer.c:429 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 23608 Comm: syz-executor.5 Not tainted 4.14.145 #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 __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 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:tcp_retransmit_timer+0x1ac5/0x2560 net/ipv4/tcp_timer.c:429 RSP: 0018:ffff8880aee07c88 EFLAGS: 00010206 RAX: ffff88805642a5c0 RBX: ffff888091e00200 RCX: 0000000000000010 RDX: 0000000000000100 RSI: ffff88809943ef4c RDI: ffff88809943f118 RBP: ffff8880aee07ce8 R08: 0000018c4c5f3c2e R09: ffff88821fff8008 R10: ffff88821fff8010 R11: 0000000000000001 R12: ffff88809943e740 R13: ffff88809943edda R14: ffff88809943e770 R15: 0000000000000000 tcp_write_timer_handler+0x479/0x7e0 net/ipv4/tcp_timer.c:579 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 __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 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:compound_head include/linux/page-flags.h:149 [inline] RIP: 0010:get_page include/linux/mm.h:833 [inline] RIP: 0010:copy_one_pte mm/memory.c:1044 [inline] RIP: 0010:copy_pte_range mm/memory.c:1106 [inline] RIP: 0010:copy_pmd_range mm/memory.c:1157 [inline] RIP: 0010:copy_pud_range mm/memory.c:1191 [inline] RIP: 0010:copy_p4d_range mm/memory.c:1213 [inline] RIP: 0010:copy_page_range+0xb21/0x1bd0 mm/memory.c:1275 RSP: 0018:ffff88808aa07a48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: dead000000000100 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00007f0d150d9000 RDI: ffff88808aa079f0 RBP: ffff88808aa07bd8 R08: ffffea0001ca88c0 R09: ffffffff88c945e0 R10: ffff88805642aee0 R11: ffff88805642a5c0 R12: ffffea0002862aa0 R13: ffffea0002862a80 R14: ffff8880a5b5c6c8 R15: 80000000a18aa007 dup_mmap kernel/fork.c:714 [inline] dup_mm kernel/fork.c:1208 [inline] copy_mm kernel/fork.c:1263 [inline] copy_process.part.0+0x4764/0x6a00 kernel/fork.c:1780 copy_process kernel/fork.c:1595 [inline] _do_fork+0x19e/0xce0 kernel/fork.c:2085 SYSC_clone kernel/fork.c:2195 [inline] SyS_clone+0x37/0x50 kernel/fork.c:2189 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x457fda RSP: 002b:00007fff14060910 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fff14060910 RCX: 0000000000457fda RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fff14060950 R08: 0000000000000001 R09: 00000000026f1940 R10: 00000000026f1c10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff140609a0 Kernel Offset: disabled Rebooting in 86400 seconds..