------------[ cut here ]------------
WARNING: CPU: 0 PID: 16402 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: 16402 Comm: syz-executor.0 Not tainted 6.1.0-rc5-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: frame pointer underflow
[<817514a4>] (dump_backtrace) from [<81751598>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253)
 r7:81cf8928 r6:822228ec r5:60000193 r4:81d06d10
[<81751580>] (show_stack) from [<8176d260>] (__dump_stack lib/dump_stack.c:88 [inline])
[<81751580>] (show_stack) from [<8176d260>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<8176d218>] (dump_stack_lvl) from [<8176d284>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:82445d14
[<8176d26c>] (dump_stack) from [<81752140>] (panic+0x11c/0x360 kernel/panic.c:274)
[<81752024>] (panic) from [<80241604>] (__warn+0x98/0x1a4 kernel/panic.c:621)
 r3:00000001 r2:00000000 r1:00000000 r0:81cf8928
 r7:815feeb0
[<8024156c>] (__warn) from [<81752420>] (warn_slowpath_fmt+0x9c/0xd4 kernel/panic.c:651)
 r8:00000009 r7:815feeb0 r6:00000398 r5:81eb0478 r4:81eb044c
[<81752388>] (warn_slowpath_fmt) from [<815feeb0>] (isotp_tx_timer_handler+0xe0/0x148 net/can/isotp.c:920)
 r8:000000a0 r7:dddcd220 r6:dddcd180 r5:00000000 r4:87040278
[<815fedd0>] (isotp_tx_timer_handler) from [<802e70c0>] (__run_hrtimer kernel/time/hrtimer.c:1685 [inline])
[<815fedd0>] (isotp_tx_timer_handler) from [<802e70c0>] (__hrtimer_run_queues+0x1b0/0x46c kernel/time/hrtimer.c:1749)
 r5:dddcd260 r4:87040278
[<802e6f10>] (__hrtimer_run_queues) from [<802e7408>] (hrtimer_run_softirq+0x8c/0xb8 kernel/time/hrtimer.c:1766)
 r10:828f3980 r9:00000100 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:eea65fb0 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)
 r10:7ebd1544 r9:76b616d0 r8:00000000 r7:eea65fb0 r6:81eba7d0 r5:81eba7e8
 r4:820aaa00
[<80249eac>] (irq_exit) from [<8176d958>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:240)
 r5:81eba7e8 r4:820aa9dc
[<8176d8dc>] (generic_handle_arch_irq) from [<81723950>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40)
 r9:76b616d0 r8:820a2044 r7:828f3980 r6:ffffffff r5:20000010 r4:000165f4
[<81723934>] (call_with_stack) from [<80200e74>] (__irq_usr+0x74/0x80 arch/arm/kernel/entry-armv.S:436)
Exception stack(0xeea65fb0 to 0xeea65ff8)
5fa0:                                     ffffffff 00000004 000001b8 00000000
5fc0: 00000000 00000000 00000000 00000000 7ebd13d2 76b616d0 7ebd1544 76b6120c
5fe0: 20000180 20000180 000165f4 000165f4 20000010 ffffffff
Rebooting in 86400 seconds..