------------[ cut here ]------------ can-isotp: tx timer state 00000000 cfecho 00000000 WARNING: CPU: 1 PID: 20 at net/can/isotp.c:920 isotp_tx_timer_handler+0xc4/0x14c net/can/isotp.c:920 Modules linked in: CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 Hardware name: linux,dummy-virt (DT) pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : isotp_tx_timer_handler+0xc4/0x14c net/can/isotp.c:920 lr : isotp_tx_timer_handler+0xc4/0x14c net/can/isotp.c:920 sp : ffff80000a80bce0 x29: ffff80000a80bce0 x28: ffff00007fbd0440 x27: ffff00007fbd0480 x26: ffff8000096eb434 x25: 0000000000000001 x24: 0000000000000000 x23: 0000000000000000 x22: 000008ad7f163c70 x21: ffff00007fbd0340 x20: f1ff00002a100000 x19: 0000000000000000 x18: 00000000fffffffe x17: 0000000000000000 x16: ffff800009c7d238 x15: 0000000000000020 x14: ffff80000a38eb08 x13: 0000000000003729 x12: 0000000000001263 x11: 3030303030303030 x10: ffff80000a43eb08 x9 : 00000000ffffe000 x8 : ffff80000a38eb08 x7 : ffff80000a43eb08 x6 : 0000000000000000 x5 : ffff00007fbcda88 x4 : 0000000000000000 x3 : ffff80007588e000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : f6ff000002d73e00 Call trace: isotp_tx_timer_handler+0xc4/0x14c net/can/isotp.c:920 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x140/0x1dc kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x6c/0xd0 kernel/time/hrtimer.c:1766 _stext+0x124/0x2a4 run_ksoftirqd+0x4c/0x60 kernel/softirq.c:934 smpboot_thread_fn+0x23c/0x270 kernel/smpboot.c:164 kthread+0x108/0x10c kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 ---[ end trace 0000000000000000 ]---