WARNING in isotp_tx_timer

WARNING in isotp_tx_timer_handler
Status: upstream: reported C repro on 2020/12/20 19:24
Reported-by: syzbot+78bab6958a614b0c80b9@syzkaller.appspotmail.com
First crash: 115d, last: 2d11h

Cause bisection: failed (bisect log)

Sample crash report:

------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at net/can/isotp.c:835 isotp_tx_timer_handler+0x631/0xb80 net/can/isotp.c:835
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:isotp_tx_timer_handler+0x631/0xb80 net/can/isotp.c:835
Code: c1 e8 03 83 e1 07 0f b6 04 28 38 c8 7f 08 84 c0 0f 85 b8 04 00 00 41 88 54 24 05 e9 35 fb ff ff 40 84 ed 75 21 e8 ef 41 8e f9 <0f> 0b 45 31 e4 e8 e5 41 8e f9 44 89 e0 48 83 c4 40 5b 5d 41 5c 41
RSP: 0018:ffffc90000007de8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88802de98518 RCX: 0000000000000100
RDX: ffffffff8babc340 RSI: ffffffff87e492b1 RDI: 0000000000000003
RBP: 0000000000000000 R08: ffffffff8a581e40 R09: ffffffff87e48cde
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b9c26c80 R14: ffff8880b9c26a00 R15: ffff88802de98000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000048f890 CR3: 0000000015cd1000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1519 [inline]
 __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1583
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1600
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu kernel/softirq.c:420 [inline]
 irq_exit_rcu+0x134/0x200 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:629
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:79 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:169 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline]
RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 drivers/acpi/processor_idle.c:516
Code: 0d eb 75 f8 84 db 75 ac e8 84 e4 75 f8 e8 ff b6 7b f8 e9 0c 00 00 00 e8 75 e4 75 f8 0f 00 2d ee f1 ac 00 e8 69 e4 75 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 44 ec 75 f8 48 85 db
RSP: 0018:ffffffff8ba07d60 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff8babc340 RSI: ffffffff88fcf037 RDI: 0000000000000000
RBP: ffff8880157d0864 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8178a758 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880157d0800 R14: ffff8880157d0864 R15: ffff888143a25004
 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:647
 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x3e1/0x590 kernel/sched/idle.c:299
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:396
 start_kernel+0x46b/0x48c init/main.c:1061
 secondary_startup_64_no_verify+0xb0/0xbb

Crashes (38):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce	2021/02/09 22:12	upstream	e0756cfc	2bd9619f	.config	log	report	syz	C		WARNING in isotp_tx_timer_handler
ci-upstream-kasan-gce	2020/12/24 00:19	upstream	614cb589	c2c1d1dd	.config	log	report	syz	C
ci-upstream-kasan-gce	2020/12/16 22:47	upstream	5e60366d	04201c06	.config	log	report	syz
ci-upstream-kasan-gce-root	2021/03/26 13:41	upstream	db24726b	6a383ecf	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-kasan-gce	2021/03/26 13:34	upstream	db24726b	6a383ecf	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-kasan-gce	2021/01/23 11:47	upstream	fe75a218	52e37319	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/04/09 04:32	upstream	3fb4f979	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/04/08 04:16	upstream	3a229812	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/04/06 14:08	upstream	0a50438c	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/04/05 17:39	upstream	e49d033b	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64	2021/04/05 12:06	upstream	e49d033b	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64	2021/04/02 05:38	upstream	ffd9fb54	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/04/01 10:11	upstream	d19cc4bf	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/03/30 14:43	upstream	1e43c377	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/03/30 07:53	upstream	1e43c377	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/03/28 17:05	upstream	0f4498ce	a8529b82	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-qemu2-arm64-mte	2021/03/24 14:36	upstream	7acac4b3	607e3baf	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-kasan-gce-386	2021/03/02 03:39	upstream	fe07bfda	183afb6c	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-this-kasan-gce	2021/02/23 06:05	net	3a2eb515	c26fb06b	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-this-kasan-gce	2021/02/22 09:47	net	d310ec03	a659b3f1	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-this-kasan-gce	2021/02/21 14:33	net	3af409ca	3e5ed8b4	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-this-kasan-gce	2021/02/20 16:27	net	3af409ca	3e5ed8b4	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-this-kasan-gce	2021/01/20 17:34	net	9c30ae83	d4f4eca5	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/04/01 11:46	net-next	917e2e6c	6a81331a	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/03/29 08:42	net-next	72642f41	a8529b82	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/03/02 11:24	net-next	d310ec03	92ead296	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/02/27 11:58	net-next	d310ec03	4c37c133	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/02/23 23:42	net-next	d310ec03	fcc6d71b	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/02/21 14:33	net-next	38b5133a	3e5ed8b4	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/02/04 15:35	net-next	32d1bbb1	42b90a7c	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/02/04 07:20	net-next	32d1bbb1	624dad51	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-net-kasan-gce	2021/01/23 20:45	net-next	59a49d96	52e37319	.config	log	report			info	WARNING in isotp_tx_timer_handler
ci-upstream-kasan-gce	2020/12/23 22:45	upstream	614cb589	c2c1d1dd	.config	log	report			info
ci-upstream-kasan-gce	2020/12/16 22:06	upstream	5e60366d	04201c06	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/26 12:14	net	1f45dc22	821e0b09	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/16 19:18	net	57030a0b	04201c06	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/28 18:01	net-next	3db1a3fa	8259d56c	.config	log	report			info
ci-upstream-net-kasan-gce	2020/12/26 12:32	net-next	3db1a3fa	821e0b09	.config	log	report			info