------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/can/isotp.c:920 isotp_tx_timer_handler+0xe0/0x148 net/can/isotp.c:920 can-isotp: tx timer state 00000000 cfecho 00000000 Modules linked in: Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rc5-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81751364>] (dump_backtrace) from [<81751458>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253) r7:81cf8850 r6:822228ec r5:60000193 r4:81d06c38 [<81751440>] (show_stack) from [<8176d108>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81751440>] (show_stack) from [<8176d108>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<8176d0c0>] (dump_stack_lvl) from [<8176d12c>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:82445d14 [<8176d114>] (dump_stack) from [<81752000>] (panic+0x11c/0x360 kernel/panic.c:274) [<81751ee4>] (panic) from [<80241604>] (__warn+0x98/0x1a4 kernel/panic.c:621) r3:00000001 r2:00000000 r1:82201b88 r0:81cf8850 r7:815fec10 [<8024156c>] (__warn) from [<817522e0>] (warn_slowpath_fmt+0x9c/0xd4 kernel/panic.c:651) r8:00000009 r7:815fec10 r6:00000398 r5:81eb0380 r4:81eb0354 [<81752248>] (warn_slowpath_fmt) from [<815fec10>] (isotp_tx_timer_handler+0xe0/0x148 net/can/isotp.c:920) r8:000000a0 r7:dddcd220 r6:dddcd180 r5:00000000 r4:85580278 [<815feb30>] (isotp_tx_timer_handler) from [<802e70c0>] (__run_hrtimer kernel/time/hrtimer.c:1685 [inline]) [<815feb30>] (isotp_tx_timer_handler) from [<802e70c0>] (__hrtimer_run_queues+0x1b0/0x46c kernel/time/hrtimer.c:1749) r5:dddcd260 r4:85580278 [<802e6f10>] (__hrtimer_run_queues) from [<802e7408>] (hrtimer_run_softirq+0x8c/0xb8 kernel/time/hrtimer.c:1766) r10:8221aec0 r9:00000101 r8:00000100 r7:00000000 r6:00000000 r5:20000113 r4:dddcd180 [<802e737c>] (hrtimer_run_softirq) from [<8020133c>] (__do_softirq+0x16c/0x498 kernel/softirq.c:571) r7:82201ea0 r6:00000008 r5:00000009 r4:822040a0 [<802011d0>] (__do_softirq) from [<80249f48>] (invoke_softirq kernel/softirq.c:445 [inline]) [<802011d0>] (__do_softirq) from [<80249f48>] (__irq_exit_rcu kernel/softirq.c:650 [inline]) [<802011d0>] (__do_softirq) from [<80249f48>] (__irq_exit_rcu kernel/softirq.c:640 [inline]) [<802011d0>] (__do_softirq) from [<80249f48>] (irq_exit+0x9c/0xe8 kernel/softirq.c:674) r10:823d84b4 r9:8221aec0 r8:00000000 r7:82201ea0 r6:81eba6d8 r5:81eba6f0 r4:820aaa00 [<80249eac>] (irq_exit) from [<8176d800>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:240) r5:81eba6f0 r4:820aa9dc [<8176d784>] (generic_handle_arch_irq) from [<80200b34>] (__irq_svc+0x74/0xac arch/arm/kernel/entry-armv.S:221) Exception stack(0x82201ea0 to 0x82201ee8) 1ea0: 00000000 00000000 01796de1 8021c220 8221aec0 00000000 8221aec0 8220c5d8 1ec0: 00000000 00000000 823d84b4 82201efc 82201f00 82201ef0 80208efc 80208f00 1ee0: 60000013 ffffffff r9:8221aec0 r8:00000000 r7:82201ed4 r6:ffffffff r5:60000013 r4:80208f00 [<80208ec0>] (arch_cpu_idle) from [<81777a4c>] (default_idle_call+0x38/0x1b4 kernel/sched/idle.c:109) [<81777a14>] (default_idle_call) from [<8028e944>] (cpuidle_idle_call kernel/sched/idle.c:191 [inline]) [<81777a14>] (default_idle_call) from [<8028e944>] (do_idle+0x218/0x2a0 kernel/sched/idle.c:303) r7:8220c5d8 r6:8221aec0 r5:8220c498 r4:00000000 [<8028e72c>] (do_idle) from [<8028ece8>] (cpu_startup_entry+0x20/0x24 kernel/sched/idle.c:400) r10:82445000 r9:8221a9f4 r8:00000000 r7:deffc0c0 r6:8220c440 r5:82225a6c r4:000000ec [<8028ecc8>] (cpu_startup_entry) from [<8176e398>] (rest_init+0xd8/0xdc init/main.c:729) [<8176e2c0>] (rest_init) from [<82000bb8>] (arch_post_acpi_subsys_init+0x0/0x20 init/main.c:890) r5:00000022 r4:82445068 [<82000ba8>] (arch_call_rest_init) from [<8200134c>] (start_kernel+0x734/0x78c init/main.c:1145) [<82000c18>] (start_kernel) from [<00000000>] (0x0) Rebooting in 86400 seconds..