------------[ cut here ]------------
WARNING: CPU: 1 PID: 2232 at net/can/isotp.c:910 isotp_tx_timer_handler+0x110/0x130 net/can/isotp.c:910
Modules linked in:
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 2232 Comm: syz-executor.1 Not tainted 6.1.0-rc3-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: frame pointer underflow
[<8173ab88>] (dump_backtrace) from [<8173ac7c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253)
 r7:81cfb7a8 r6:822228ec r5:60000193 r4:81d09b90
[<8173ac64>] (show_stack) from [<81756d58>] (__dump_stack lib/dump_stack.c:88 [inline])
[<8173ac64>] (show_stack) from [<81756d58>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<81756d10>] (dump_stack_lvl) from [<81756d7c>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:82448d14
[<81756d64>] (dump_stack) from [<8173b824>] (panic+0x11c/0x360 kernel/panic.c:274)
[<8173b708>] (panic) from [<80241604>] (__warn+0x98/0x1a4 kernel/panic.c:621)
 r3:00000001 r2:00000000 r1:00000000 r0:81cfb7a8
 r7:815ea7b0
[<8024156c>] (__warn) from [<8173bad0>] (warn_slowpath_fmt+0x68/0xd4 kernel/panic.c:644)
 r8:00000009 r7:815ea7b0 r6:0000038e r5:81eb3870 r4:00000000
[<8173ba6c>] (warn_slowpath_fmt) from [<815ea7b0>] (isotp_tx_timer_handler+0x110/0x130 net/can/isotp.c:910)
 r8:000000a0 r7:dddde220 r6:dddde180 r5:85790278 r4:00000000
[<815ea6a0>] (isotp_tx_timer_handler) from [<802e70c0>] (__run_hrtimer kernel/time/hrtimer.c:1685 [inline])
[<815ea6a0>] (isotp_tx_timer_handler) from [<802e70c0>] (__hrtimer_run_queues+0x1b0/0x46c kernel/time/hrtimer.c:1749)
 r5:dddde260 r4:85780278
[<802e6f10>] (__hrtimer_run_queues) from [<802e7408>] (hrtimer_run_softirq+0x8c/0xb8 kernel/time/hrtimer.c:1766)
 r10:83f02e00 r9:00000101 r8:00000100 r7:00000000 r6:00000000 r5:20000113
 r4:dddde180
[<802e737c>] (hrtimer_run_softirq) from [<8020133c>] (__do_softirq+0x16c/0x498 kernel/softirq.c:571)
 r7:df97dd78 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)
 r10:00000000 r9:83f02e00 r8:00000000 r7:df97dd78 r6:81ebdb44 r5:81ebdb5c
 r4:820aaa00
[<80249eac>] (irq_exit) from [<81756f18>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:240)
 r5:81ebdb5c r4:820aa9dc
[<81756e9c>] (generic_handle_arch_irq) from [<8170e3a4>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40)
 r9:83f02e00 r8:00000000 r7:df97ddac r6:ffffffff r5:20000113 r4:8027590c
[<8170e388>] (call_with_stack) from [<80200b44>] (__irq_svc+0x84/0xac arch/arm/kernel/entry-armv.S:221)
Exception stack(0xdf97dd78 to 0xdf97ddc0)
dd60:                                                       00000001 81d09b90
dd80: 00000001 83f02e00 00000000 ddde5d80 00000000 85191800 00000000 83f02e00
dda0: 00000000 df97de0c df97ddb8 df97ddc8 8176187c 8027590c 20000113 ffffffff
[<80275880>] (finish_task_switch) from [<817591e8>] (context_switch kernel/sched/core.c:5194 [inline])
[<80275880>] (finish_task_switch) from [<817591e8>] (__schedule+0x330/0xab8 kernel/sched/core.c:6503)
 r10:851919d0 r9:00000001 r8:85191800 r7:85191800 r6:83f02e00 r5:ddde5d80
 r4:83d30b80
[<81758eb8>] (__schedule) from [<817599cc>] (schedule+0x5c/0xac kernel/sched/core.c:6579)
 r10:00000000 r9:00000000 r8:0000c350 r7:00000001 r6:00002001 r5:83f02e00
 r4:83f02e00
[<81759970>] (schedule) from [<817606c4>] (do_nanosleep+0x6c/0x16c kernel/time/hrtimer.c:2044)
 r5:83f02e00 r4:df97dee8
[<81760658>] (do_nanosleep) from [<802e80f0>] (hrtimer_nanosleep+0xe4/0x164 kernel/time/hrtimer.c:2097)
 r7:00000001 r6:83f02e00 r5:00000000 r4:000f4240
[<802e800c>] (hrtimer_nanosleep) from [<802f1980>] (common_nsleep+0x5c/0x6c kernel/time/posix-timers.c:1236)
 r10:00000197 r9:83f02e00 r8:80200288 r7:00000000 r6:81804a1c r5:7ee6f590
 r4:00000000
[<802f1924>] (common_nsleep) from [<802f395c>] (__do_sys_clock_nanosleep kernel/time/posix-timers.c:1276 [inline])
[<802f1924>] (common_nsleep) from [<802f395c>] (sys_clock_nanosleep+0xd8/0x138 kernel/time/posix-timers.c:1254)
 r5:7ee6f590 r4:00000000
[<802f3884>] (sys_clock_nanosleep) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:64)
Exception stack(0xdf97dfa8 to 0xdf97dff0)
dfa0:                   00000000 00000000 00000000 00000000 7ee6f580 7ee6f590
dfc0: 00000000 00000000 00000000 00000197 7ee6f590 7ee6f580 02c444c0 000001f4
dfe0: 00000000 7ee6f548 0006f7d0 0006f7f8
 r7:00000197 r6:00000000 r5:00000000 r4:00000000
Rebooting in 86400 seconds..