WARNING in tcp_retransmit

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in tcp_retransmit_timer net	C	unreliable		8	556d	645d	0/26	closed as invalid on 2022/11/15 19:19
linux-4.14	WARNING in tcp_retransmit_timer	C		done	215	1685d	1696d	1/1	fixed on 2019/12/09 13:28
android-414	WARNING in tcp_retransmit_timer	C			478	1684d	1695d	0/1	public: reported C repro on 2019/09/10 12:00

upstream

WARNING in tcp_retransmit_timer net

unreliable

556d

645d

0/26

closed as invalid on 2022/11/15 19:19

linux-4.14

WARNING in tcp_retransmit_timer

done

215

1685d

1696d

1/1

fixed on 2019/12/09 13:28

android-414

WARNING in tcp_retransmit_timer

478

1684d

1695d

0/1

public: reported C repro on 2019/09/10 12:00

Created	Duration	User	Patch	Repo	Result
2023/09/26 15:43	28m	retest repro		upstream	OK log

Created

Duration

User

Patch

Repo

Result

2023/09/26 15:43

28m

retest repro

upstream

OK log


Created	Duration	User	Repo	Result
2023/07/18 11:07	1h49m	bisect fix	upstream	job log (0) log
2023/06/08 03:39	1h06m	bisect fix	upstream	job log (0) log
2023/05/09 02:27	1h11m	bisect fix	upstream	job log (0) log
2023/04/08 20:28	27m	bisect fix	upstream	job log (0) log
2023/03/09 18:52	34m	bisect fix	upstream	job log (0) log
2023/02/07 08:01	34m	bisect fix	upstream	job log (0) log

------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/ipv4/tcp_timer.c:470 tcp_retransmit_timer+0x19e7/0x3410 net/ipv4/tcp_timer.c:470 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rc6-syzkaller-00251-g0b1dcc2cf55a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:tcp_retransmit_timer+0x19e7/0x3410 net/ipv4/tcp_timer.c:470 Code: 03 0f b6 04 02 40 38 f0 0f 8f 97 fc ff ff 84 c0 0f 84 8f fc ff ff 48 8b 7c 24 18 e8 03 8a 89 f9 e9 80 fc ff ff e8 89 7e 3d f9 <0f> 0b e9 42 eb ff ff e8 7d 7e 3d f9 48 8b 9c 24 c8 00 00 00 48 85 RSP: 0018:ffffc90000007b28 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 RDX: ffffffff8c2bc9c0 RSI: ffffffff8841be27 RDI: ffff888023af9000 RBP: ffff888023af8d80 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888023af8eb0 R13: ffffffff8c20f200 R14: 0000000000000000 R15: ffff888023af8db0 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002065c000 CR3: 0000000022971000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> tcp_write_timer_handler net/ipv4/tcp_timer.c:620 [inline] tcp_write_timer_handler+0x4e2/0x9f0 net/ipv4/tcp_timer.c:594 tcp_write_timer+0xa6/0x2b0 net/ipv4/tcp_timer.c:637 call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x6a2/0xaf0 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb7/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1fb/0xadc kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 drivers/acpi/processor_idle.c:572 Code: 89 de e8 96 31 8f f7 84 db 75 ac e8 1d 35 8f f7 e8 f8 ba 95 f7 66 90 e8 11 35 8f f7 0f 00 2d 7a d8 c0 00 e8 05 35 8f f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 c0 31 8f f7 48 85 db RSP: 0018:ffffffff8c207d28 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8c2bc9c0 RSI: ffffffff89f007ab RDI: 0000000000000000 RBP: ffff888017daa064 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff888017daa000 R14: ffff888017daa064 R15: ffff88801ae41004 acpi_idle_enter+0x368/0x510 drivers/acpi/processor_idle.c:709 cpuidle_enter_state+0x1af/0xd40 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3f7/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:400 rest_init+0x16d/0x270 init/main.c:729 arch_call_rest_init+0x13/0x1c init/main.c:890 start_kernel+0x477/0x498 init/main.c:1145 secondary_startup_64_no_verify+0xce/0xdb </TASK> ---------------- Code disassembly (best guess): 0: 89 de mov %ebx,%esi 2: e8 96 31 8f f7 callq 0xf78f319d 7: 84 db test %bl,%bl 9: 75 ac jne 0xffffffb7 b: e8 1d 35 8f f7 callq 0xf78f352d 10: e8 f8 ba 95 f7 callq 0xf795bb0d 15: 66 90 xchg %ax,%ax 17: e8 11 35 8f f7 callq 0xf78f352d 1c: 0f 00 2d 7a d8 c0 00 verw 0xc0d87a(%rip) # 0xc0d89d 23: e8 05 35 8f f7 callq 0xf78f352d 28: fb sti 29: f4 hlt * 2a: 9c pushfq <-- trapping instruction 2b: 5b pop %rbx 2c: 81 e3 00 02 00 00 and $0x200,%ebx 32: fa cli 33: 31 ff xor %edi,%edi 35: 48 89 de mov %rbx,%rsi 38: e8 c0 31 8f f7 callq 0xf78f31fd 3d: 48 85 db test %rbx,%rbx

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/11/26 15:47	upstream	0b1dcc2cf55a	74a66371	.config	strace log	report	syz			[disk image] [vmlinux] [kernel image]	ci-upstream-kasan-gce-selinux-root	WARNING in tcp_retransmit_timer

Crashes (1):

Assets (help?)