------------[ cut here ]------------
WARNING: CPU: 0 PID: 4899 at net/can/isotp.c:835 isotp_tx_timer_handler+0x631/0xb80 net/can/isotp.c:835
Modules linked in:
CPU: 0 PID: 4899 Comm: systemd-journal Not tainted 5.10.0-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 4f 70 8e f9 <0f> 0b 45 31 e4 e8 45 70 8e f9 44 89 e0 48 83 c4 40 5b 5d 41 5c 41
RSP: 0018:ffffc90000007db0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88807c0c0518 RCX: ffffffff87e2273e
RDX: ffff888011e60000 RSI: ffffffff87e22d11 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ced830f
R10: 0000000000000004 R11: 0000000000000001 R12: ffff8880b9e26a00
R13: ffff8880b9e26c80 R14: ffffffff87e226e0 R15: ffff88807c0c0000
FS:  00007f9fca6eb8c0(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae7f5e9db8 CR3: 000000001180a000 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+0x693/0xea0 kernel/time/hrtimer.c:1583
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1600
 __do_softirq+0x2a0/0x9f6 kernel/softirq.c:298
 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:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x132/0x200 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:devkmsg_read+0x3da/0x740 kernel/printk/printk.c:801
Code: 01 80 3c 02 00 0f 85 19 03 00 00 48 c7 c7 40 b1 32 8b 4c 89 6d 00 e8 05 ed 95 07 e8 00 47 00 00 e8 9b 57 1d 00 fb 48 8b 2c 24 <4c> 89 ff 48 c7 c3 ea ff ff ff 48 89 ee e8 d4 8f 17 00 49 39 ef 77
RSP: 0018:ffffc9000159fd68 EFLAGS: 00000202
RAX: 00000000001e5f75 RBX: ffff8880121ba0f8 RCX: ffffffff81562d97
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000002000 R08: 0000000000000001 R09: ffffffff8ebc884f
R10: fffffbfff1d79109 R11: 0000000000000000 R12: 1ffff920002b3fb2
R13: 0000000000001b34 R14: ffff8880121b8068 R15: 000000000000004a
 vfs_read+0x1b5/0x570 fs/read_write.c:494
 ksys_read+0x12d/0x250 fs/read_write.c:634
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f9fc9c7b210
Code: 73 01 c3 48 8b 0d 98 7d 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d b9 c1 20 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 4e fc ff ff 48 89 04 24
RSP: 002b:00007ffc5df31b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ffc5df345e0 RCX: 00007f9fc9c7b210
RDX: 0000000000002000 RSI: 00007ffc5df323e0 RDI: 0000000000000009
RBP: 0000000000000000 R08: 0000000000000008 R09: 00007ffc5dfc70f0
R10: 0000000000042db0 R11: 0000000000000246 R12: 00007ffc5df323e0
R13: 00007ffc5df34538 R14: 00005559f3d56958 R15: 0005b699bd3c2e21