------------[ 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: 8458 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 0 PID: 8458 Comm: syz-executor.3 Not tainted 5.13.0-rc6-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 20 03 c3 89 4c 89 ee 48 c7 c7 20 f7 c2 89 e8 8d 7e 05 05 <0f> 0b 83 05 45 61 f6 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90000007c58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff8880221a3880 RSI: ffffffff815ce2a5 RDI: fffff52000000f7d RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815c810e R11: 0000000000000000 R12: ffffffff896da7c0 R13: ffffffff89c2fd60 R14: ffffffff816487b0 R15: dffffc0000000000 FS: 0000000002438400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 00000000635ca000 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:1767 [inline] __sk_destruct+0x6c6/0x900 net/core/sock.c:1852 sk_destruct+0xbd/0xe0 net/core/sock.c:1867 __sk_free+0xef/0x3d0 net/core/sock.c:1878 sk_free+0x78/0xa0 net/core/sock.c:1889 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+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191 Code: 74 24 10 e8 ca fa 3c f8 48 89 ef e8 62 73 3d f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 d3 69 31 f8 65 8b 05 cc 6b e4 76 85 c0 74 0a 5b 5d c3 e8 10 65 RSP: 0018:ffffc900016dfc30 EFLAGS: 00000206 RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1b93889 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff888027a86820 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817ae948 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880221a3880 R14: 0000000000000000 R15: ffff8880221a3e20 do_wait+0x7e8/0xd40 kernel/exit.c:1540 kernel_wait4+0x14c/0x260 kernel/exit.c:1678 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1706 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x464a77 Code: 89 7c 24 10 48 89 4c 24 18 e8 d5 44 02 00 4c 8b 54 24 18 8b 54 24 14 41 89 c0 48 8b 74 24 08 8b 7c 24 10 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 10 e8 05 45 02 00 8b 44 RSP: 002b:00007ffe6b2971b0 EFLAGS: 00000293 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 00000000000007c5 RCX: 0000000000464a77 RDX: 0000000040000001 RSI: 00007ffe6b29724c RDI: 00000000ffffffff RBP: 00007ffe6b29724c R08: 0000000000000000 R09: 00007ffe6b2b6080 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 00000000000bbed4 R14: 0000000000000000 R15: 00007ffe6b2972b0