------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: hrtimer hint: isotp_rx_timer_handler+0x0/0x170 include/linux/list.h:71 WARNING: CPU: 0 PID: 8470 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 0 PID: 8470 Comm: syz-fuzzer Not tainted 5.13.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd a0 f8 c2 89 4c 89 ee 48 c7 c7 a0 ec c2 89 e8 4d e9 01 05 <0f> 0b 83 05 05 17 f6 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0000:ffffc9000168fba0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff888026638000 RSI: ffffffff815ce3a5 RDI: fffff520002d1f66 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815c820e R11: 0000000000000000 R12: ffffffff896da7c0 R13: ffffffff89c2f2e0 R14: ffffffff816488b0 R15: dffffc0000000000 FS: 000000c00028e090(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000816f59c CR3: 0000000014bae000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __debug_check_no_obj_freed lib/debugobjects.c:987 [inline] debug_check_no_obj_freed+0x301/0x420 lib/debugobjects.c:1018 free_pages_prepare mm/page_alloc.c:1303 [inline] __free_pages_ok+0x254/0xce0 mm/page_alloc.c:1572 sk_prot_free net/core/sock.c:1747 [inline] __sk_destruct+0x6c6/0x900 net/core/sock.c:1832 sk_destruct+0xbd/0xe0 net/core/sock.c:1847 __sk_free+0xef/0x3d0 net/core/sock.c:1858 sk_free+0x78/0xa0 net/core/sock.c:1869 sock_put include/net/sock.h:1813 [inline] can_rx_delete_receiver+0xbd/0xf0 net/can/af_can.c:497 rcu_do_batch kernel/rcu/tree.c:2558 [inline] rcu_core+0x7ab/0x13b0 kernel/rcu/tree.c:2793 __do_softirq+0x29b/0x9f6 kernel/softirq.c:559 invoke_softirq kernel/softirq.c:433 [inline] __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x45/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 RIP: 0033:0x581ee0 Code: cc cc cc cc cc cc cc cc cc cc 48 8b 44 24 08 0f b6 40 04 88 44 24 10 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <64> 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 0f 86 dd 00 00 00 48 83 ec RSP: 002b:000000c00585c410 EFLAGS: 00000212 RAX: 0000000000581ee0 RBX: 000000003c84c8af RCX: 000000c00735dd50 RDX: 000000000098bda0 RSI: 00000000007780af RDI: 000000c00735fc00 RBP: 000000c00585c598 R08: 000000000098bea0 R09: 000000000098bda0 R10: 0000000000000002 R11: 0000000000000011 R12: 00000000000000f1 R13: 0000000000000000 R14: 000000000094b641 R15: 0000000000000000