------------[ cut here ]------------
WARNING: CPU: 1 PID: 2233 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: 2233 Comm: syz-executor.0 Not tainted 6.1.0-rc3-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: frame pointer underflow
[<81739ba8>] (dump_backtrace) from [<81739c9c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253)
 r7:81cfb788 r6:822228ec r5:60000193 r4:81d09b70
[<81739c84>] (show_stack) from [<81755d78>] (__dump_stack lib/dump_stack.c:88 [inline])
[<81739c84>] (show_stack) from [<81755d78>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<81755d30>] (dump_stack_lvl) from [<81755d9c>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:82448d14
[<81755d84>] (dump_stack) from [<8173a844>] (panic+0x11c/0x360 kernel/panic.c:274)
[<8173a728>] (panic) from [<80241604>] (__warn+0x98/0x1a4 kernel/panic.c:621)
 r3:00000001 r2:00000000 r1:df805cf0 r0:81cfb788
 r7:815e97e8
[<8024156c>] (__warn) from [<8173aaf0>] (warn_slowpath_fmt+0x68/0xd4 kernel/panic.c:644)
 r8:00000009 r7:815e97e8 r6:0000038e r5:81eb386c r4:00000000
[<8173aa8c>] (warn_slowpath_fmt) from [<815e97e8>] (isotp_tx_timer_handler+0x110/0x130 net/can/isotp.c:910)
 r8:000000a0 r7:dddde220 r6:dddde180 r5:85590278 r4:00000000
[<815e96d8>] (isotp_tx_timer_handler) from [<802e70d0>] (__run_hrtimer kernel/time/hrtimer.c:1685 [inline])
[<815e96d8>] (isotp_tx_timer_handler) from [<802e70d0>] (__hrtimer_run_queues+0x1b0/0x46c kernel/time/hrtimer.c:1749)
 r5:dddde260 r4:85580278
[<802e6f20>] (__hrtimer_run_queues) from [<802e7418>] (hrtimer_run_softirq+0x8c/0xb8 kernel/time/hrtimer.c:1766)
 r10:83255080 r9:00000101 r8:00000100 r7:00000000 r6:00000000 r5:20000113
 r4:dddde180
[<802e738c>] (hrtimer_run_softirq) from [<8020133c>] (__do_softirq+0x16c/0x498 kernel/softirq.c:571)
 r7:df985db8 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)
 r10:00000072 r9:83255080 r8:00000000 r7:df985db8 r6:81ebdb40 r5:81ebdb58
 r4:820aaa00
[<80249eac>] (irq_exit) from [<81755f38>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:240)
 r5:81ebdb58 r4:820aa9dc
[<81755ebc>] (generic_handle_arch_irq) from [<8170d3d4>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40)
 r9:83255080 r8:00000004 r7:df985dec r6:ffffffff r5:60000013 r4:8020d434
[<8170d3b8>] (call_with_stack) from [<80200b44>] (__irq_svc+0x84/0xac arch/arm/kernel/entry-armv.S:221)
Exception stack(0xdf985db8 to 0xdf985e00)
5da0:                                                       df985e34 df985e2c
5dc0: 8024778d df985e34 df985e34 df985e2c 8020d434 83255080 00000004 82204040
5de0: 00000072 df985e24 df985ea4 df985e08 8020c314 8020d434 60000013 ffffffff
[<8020c2f0>] (walk_stackframe) from [<8020d4c4>] (return_address+0x60/0x174 arch/arm/kernel/return_address.c:52)
 r7:83255080 r6:81760780 r5:00000001 r4:00000000
[<8020d464>] (return_address) from [<80275510>] (get_lock_parent_ip include/linux/ftrace.h:952 [inline])
[<8020d464>] (return_address) from [<80275510>] (preempt_latency_start kernel/sched/core.c:5633 [inline])
[<8020d464>] (return_address) from [<80275510>] (preempt_count_add+0x98/0x15c kernel/sched/core.c:5658)
 r4:83255080
[<80275478>] (preempt_count_add) from [<81760780>] (__raw_read_lock include/linux/rwlock_api_smp.h:149 [inline])
[<80275478>] (preempt_count_add) from [<81760780>] (_raw_read_lock+0x18/0x3c kernel/locking/spinlock.c:228)
 r6:00000000 r5:00000001 r4:82204040
[<81760768>] (_raw_read_lock) from [<8024778c>] (do_wait+0x9c/0x354 kernel/exit.c:1533)
 r5:00000001 r4:df985ee4
[<802476f0>] (do_wait) from [<80248d1c>] (kernel_wait4+0x8c/0x124 kernel/exit.c:1706)
 r10:00000072 r9:83255080 r8:00000004 r7:00000000 r6:00000000 r5:7ebfe650
 r4:40000005
[<80248c90>] (kernel_wait4) from [<80248ef0>] (__do_sys_wait4 kernel/exit.c:1734 [inline])
[<80248c90>] (kernel_wait4) from [<80248ef0>] (sys_wait4+0x9c/0xac kernel/exit.c:1730)
 r8:80200288 r7:00000072 r6:00004a55 r5:00000000 r4:ffffffff
[<80248e54>] (sys_wait4) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:64)
Exception stack(0xdf985fa8 to 0xdf985ff0)
5fa0:                   ffffffff 025b84c0 ffffffff 7ebfe650 40000001 00000000
5fc0: ffffffff 025b84c0 00004a55 00000072 00140000 7ebfe6a4 00140000 000001f4
5fe0: 00000008 7ebfe5c0 0004a4f4 0004a510
 r5:025b84c0 r4:ffffffff
Rebooting in 86400 seconds..