------------[ cut here ]------------
WARNING: CPU: 1 PID: 23840 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: 1 PID: 23840 Comm: syz-executor.0 Not tainted 6.1.0-rc6-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: frame pointer underflow
[<81751604>] (dump_backtrace) from [<817516f8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253)
 r7:81cf8970 r6:822228ec r5:60000193 r4:81d06d58
[<817516e0>] (show_stack) from [<8176d3c0>] (__dump_stack lib/dump_stack.c:88 [inline])
[<817516e0>] (show_stack) from [<8176d3c0>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<8176d378>] (dump_stack_lvl) from [<8176d3e4>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:82445d14
[<8176d3cc>] (dump_stack) from [<817522a0>] (panic+0x11c/0x360 kernel/panic.c:274)
[<81752184>] (panic) from [<80241604>] (__warn+0x98/0x1a4 kernel/panic.c:621)
 r3:00000001 r2:00000000 r1:df805ce8 r0:81cf8970
 r7:815ff000
[<8024156c>] (__warn) from [<81752580>] (warn_slowpath_fmt+0x9c/0xd4 kernel/panic.c:651)
 r8:00000009 r7:815ff000 r6:00000398 r5:81eb0520 r4:81eb04f4
[<817524e8>] (warn_slowpath_fmt) from [<815ff000>] (isotp_tx_timer_handler+0xe0/0x148 net/can/isotp.c:920)
 r8:000000a0 r7:dddde220 r6:dddde180 r5:00000000 r4:85780278
[<815fef20>] (isotp_tx_timer_handler) from [<802e70e0>] (__run_hrtimer kernel/time/hrtimer.c:1685 [inline])
[<815fef20>] (isotp_tx_timer_handler) from [<802e70e0>] (__hrtimer_run_queues+0x1b0/0x46c kernel/time/hrtimer.c:1749)
 r5:dddde260 r4:85780278
[<802e6f30>] (__hrtimer_run_queues) from [<802e7428>] (hrtimer_run_softirq+0x8c/0xb8 kernel/time/hrtimer.c:1766)
 r10:8329a280 r9:00000100 r8:00000100 r7:00000000 r6:00000000 r5:20000113
 r4:dddde180
[<802e739c>] (hrtimer_run_softirq) from [<8020133c>] (__do_softirq+0x16c/0x498 kernel/softirq.c:571)
 r7:eac39fb0 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)
 r10:7ec85544 r9:76b216d0 r8:00000000 r7:eac39fb0 r6:81eba878 r5:81eba890
 r4:820aaa00
[<80249eac>] (irq_exit) from [<8176dab8>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:240)
 r5:81eba890 r4:820aa9dc
[<8176da3c>] (generic_handle_arch_irq) from [<81723aa0>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40)
 r9:76b216d0 r8:820a2044 r7:8329a280 r6:ffffffff r5:20000010 r4:000170cc
[<81723a84>] (call_with_stack) from [<80200e74>] (__irq_usr+0x74/0x80 arch/arm/kernel/entry-armv.S:436)
Exception stack(0xeac39fb0 to 0xeac39ff8)
9fa0:                                     ffffffff 00000016 000001b8 00000000
9fc0: 00000000 460add16 000000af 00000000 7ec853d2 76b216d0 7ec85544 76b2120c
9fe0: 20000700 20000700 000170cc 000170cc 20000010 ffffffff
Rebooting in 86400 seconds..