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WARNING: CPU: 0 PID: 3259 at lib/debugobjects.c:505 debug_print_object+0xb0/0xc4 lib/debugobjects.c:505
ODEBUG: free active (active state 0) object type: hrtimer hint: isotp_rx_timer_handler+0x0/0x54
Modules linked in:
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 3259 Comm: syz-fuzzer Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<81802550>] (dump_backtrace) from [<818027c4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:252)
 r7:00000080 r6:60000193 r5:00000000 r4:82b58344
[<818027ac>] (show_stack) from [<81809e98>] (__dump_stack lib/dump_stack.c:79 [inline])
[<818027ac>] (show_stack) from [<81809e98>] (dump_stack+0xb8/0xe8 lib/dump_stack.c:120)
[<81809de0>] (dump_stack) from [<81803358>] (panic+0x130/0x378 kernel/panic.c:231)
 r7:81f48198 r6:82a390a4 r5:00000000 r4:82c6b0d0
[<81803228>] (panic) from [<802446f4>] (__warn+0xb0/0x164 kernel/panic.c:605)
 r3:82a2248c r2:00000000 r1:00000000 r0:81f48198
 r7:000001f9
[<80244644>] (__warn) from [<8180363c>] (warn_slowpath_fmt+0x9c/0xd4 kernel/panic.c:635)
 r7:80807690 r6:000001f9 r5:81fa0950 r4:81fa0910
[<818035a4>] (warn_slowpath_fmt) from [<80807690>] (debug_print_object+0xb0/0xc4 lib/debugobjects.c:505)
 r8:81a042c8 r7:81f6ee40 r6:8674b210 r5:832feb1c r4:82a22bf0
[<808075e0>] (debug_print_object) from [<80808e48>] (__debug_check_no_obj_freed lib/debugobjects.c:987 [inline])
[<808075e0>] (debug_print_object) from [<80808e48>] (debug_check_no_obj_freed+0x1f8/0x244 lib/debugobjects.c:1018)
 r8:00000122 r7:869b5738 r6:81a042c8 r5:86c08360 r4:8674b210
[<80808c50>] (debug_check_no_obj_freed) from [<8048e308>] (free_pages_prepare mm/page_alloc.c:1276 [inline])
[<80808c50>] (debug_check_no_obj_freed) from [<8048e308>] (__free_pages_ok+0x144/0x618 mm/page_alloc.c:1540)
 r10:00080000 r9:00000000 r8:00008000 r7:00000000 r6:ddff9000 r5:00000003
 r4:de13d180
[<8048e1c4>] (__free_pages_ok) from [<804904b4>] (free_the_page mm/page_alloc.c:5062 [inline])
[<8048e1c4>] (__free_pages_ok) from [<804904b4>] (__free_pages+0xac/0xd0 mm/page_alloc.c:5088)
 r10:81329690 r9:81a03bb8 r8:82b09ef0 r7:00000113 r6:ffff8000 r5:00000003
 r4:de13d180
[<80490408>] (__free_pages) from [<804b33bc>] (kfree+0x3e8/0x4f8 mm/slub.c:4210)
 r7:00000113 r6:ffff8000 r5:00000003 r4:de13d180
[<804b2fd4>] (kfree) from [<81329690>] (sk_prot_free net/core/sock.c:1739 [inline])
[<804b2fd4>] (kfree) from [<81329690>] (__sk_destruct+0x238/0x298 net/core/sock.c:1824)
 r10:85953e60 r9:81a03bb8 r8:82b09ef0 r7:82bfddbf r6:00000000 r5:86c08000
 r4:00000000
[<81329458>] (__sk_destruct) from [<81329788>] (sk_destruct net/core/sock.c:1839 [inline])
[<81329458>] (__sk_destruct) from [<81329788>] (__sk_free+0x98/0x14c net/core/sock.c:1850)
 r7:00000000 r6:00000004 r5:86c08338 r4:86c08000
[<813296f0>] (__sk_free) from [<81329890>] (sk_free+0x54/0x58 net/core/sock.c:1861)
 r5:00000005 r4:86c08000
[<8132983c>] (sk_free) from [<816c8bf0>] (sock_put include/net/sock.h:1803 [inline])
[<8132983c>] (sk_free) from [<816c8bf0>] (can_rx_delete_receiver+0x74/0x78 net/can/af_can.c:497)
[<816c8b7c>] (can_rx_delete_receiver) from [<802f29b8>] (rcu_do_batch kernel/rcu/tree.c:2559 [inline])
[<816c8b7c>] (can_rx_delete_receiver) from [<802f29b8>] (rcu_core+0x488/0xe20 kernel/rcu/tree.c:2794)
 r5:00000005 r4:83486504
[<802f2530>] (rcu_core) from [<802f34a4>] (rcu_core_si+0x10/0x14 kernel/rcu/tree.c:2807)
 r10:00000200 r9:85952000 r8:82a22498 r7:00000003 r6:00000009 r5:0000000a
 r4:82a040a4
[<802f3494>] (rcu_core_si) from [<802012fc>] (__do_softirq+0x204/0x7ac kernel/softirq.c:345)
[<802010f8>] (__do_softirq) from [<8024dff4>] (do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline])
[<802010f8>] (__do_softirq) from [<8024dff4>] (invoke_softirq kernel/softirq.c:228 [inline])
[<802010f8>] (__do_softirq) from [<8024dff4>] (__irq_exit_rcu+0x1d8/0x200 kernel/softirq.c:422)
 r10:85953f48 r9:85953fb0 r8:00000001 r7:00000000 r6:828ad498 r5:00000000
 r4:828aecc0
[<8024de1c>] (__irq_exit_rcu) from [<8024e1a8>] (irq_exit+0x10/0x3c kernel/softirq.c:446)
 r5:00000000 r4:828ad498
[<8024e198>] (irq_exit) from [<802d8734>] (__handle_domain_irq+0xb4/0x120 kernel/irq/irqdesc.c:692)
[<802d8680>] (__handle_domain_irq) from [<8088af70>] (handle_domain_irq include/linux/irqdesc.h:176 [inline])
[<802d8680>] (__handle_domain_irq) from [<8088af70>] (gic_handle_irq+0x84/0xac drivers/irqchip/irq-gic.c:370)
 r10:02b609a0 r9:00000000 r8:e000200c r7:828ad4bc r6:e0002000 r5:85953fb0
 r4:82a22c34
[<8088aeec>] (gic_handle_irq) from [<80200e2c>] (__irq_usr+0x4c/0x60 arch/arm/kernel/entry-armv.S:430)
Exception stack(0x85953fb0 to 0x85953ff8)
3fa0:                                     b8840ffc 02a35b4c 00000000 00000000
3fc0: 00315440 02a35b68 00000001 00000000 0000004c 00000000 02b609a0 00000000
3fe0: 00000000 02a35a98 00020364 000203b0 80000010 ffffffff
 r9:00000000 r8:30c5387d r7:30c5387d r6:ffffffff r5:80000010 r4:000203b0
Rebooting in 86400 seconds..