------------[ 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: 1 PID: 15526 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 1 PID: 15526 Comm: syz-executor.1 Not tainted 5.13.0-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 f8 c2 89 4c 89 ee 48 c7 c7 20 ec c2 89 e8 3d e7 01 05 <0f> 0b 83 05 75 23 f6 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90000dc0c58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff88801ef39c40 RSI: ffffffff815cdfb5 RDI: fffff520001b817d RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815c7e1e R11: 0000000000000000 R12: ffffffff896da7c0 R13: ffffffff89c2f260 R14: ffffffff81648550 R15: dffffc0000000000 FS: 00007f87bb0bd700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000544038 CR3: 0000000021f61000 CR4: 0000000000350ee0 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+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 ba e6 40 f8 48 89 ef e8 d2 5b 41 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 83 53 35 f8 65 8b 05 2c 57 e8 76 85 c0 74 0a 5b 5d c3 e8 90 4e RSP: 0018:ffffc90016737a88 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1b927b9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffe8ffffd8acc0 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817ae768 R11: 0000000000000000 R12: ffff888034b229c0 R13: ffffc900168f61d8 R14: ffff888034b2281c R15: ffffc900168f6280 bpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:454 [inline] bpf_lru_pop_free+0x63d/0x16d0 kernel/bpf/bpf_lru_list.c:499 prealloc_lru_pop+0x26/0x90 kernel/bpf/hashtab.c:264 htab_lru_map_update_elem+0x157/0x790 kernel/bpf/hashtab.c:1099 bpf_map_update_value.isra.0+0x6df/0x8d0 kernel/bpf/syscall.c:202 generic_map_update_batch+0x3cf/0x560 kernel/bpf/syscall.c:1356 bpf_map_do_batch+0x3d5/0x510 kernel/bpf/syscall.c:4019 __do_sys_bpf+0x1c01/0x4f40 kernel/bpf/syscall.c:4475 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f87bb0bd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000038 RSI: 0000000020000100 RDI: 000000000000001a RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fffb0b502df R14: 00007f87bb0bd300 R15: 0000000000022000