------------[ 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: 28205 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 0 PID: 28205 Comm: syz-executor.2 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: ffff888021ba8000 RSI: ffffffff815ce2a5 RDI: fffff52000000f7d RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815c810e R11: 0000000000000000 R12: ffffffff896da7c0 R13: ffffffff89c2fd60 R14: ffffffff816487b0 R15: dffffc0000000000 FS: 00000000032c8400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055aa956f2bfc CR3: 000000006fa5c000 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:__sanitizer_cov_trace_pc+0x37/0x60 kernel/kcov.c:197 Code: 81 e1 00 01 00 00 65 48 8b 14 25 00 f0 01 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 3c 15 00 00 85 c0 74 2b 8b 82 18 15 00 00 <83> f8 02 75 20 48 8b 8a 20 15 00 00 8b 92 1c 15 00 00 48 8b 01 48 RSP: 0018:ffffc900013dfd18 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc900013dfd98 RCX: 0000000000000000 RDX: ffff888021ba8000 RSI: ffffffff816493ba RDI: 0000000000000003 RBP: 0000000000000000 R08: 000000000000000f R09: ffffc900013dfd98 R10: ffffffff81649560 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: ffff8880b9c26380 R15: 0000000000000000 hrtimer_clockid_to_base kernel/time/hrtimer.c:1384 [inline] __hrtimer_init+0x8a/0x280 kernel/time/hrtimer.c:1422 __hrtimer_init_sleeper kernel/time/hrtimer.c:1848 [inline] hrtimer_init_sleeper_on_stack kernel/time/hrtimer.c:446 [inline] hrtimer_nanosleep+0x181/0x4a0 kernel/time/hrtimer.c:1947 common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1227 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline] __x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x48a7a1 Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f RSP: 002b:00007ffe51e61300 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 000000000000058c RCX: 000000000048a7a1 RDX: 00007ffe51e61340 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffe51e613dc R08: 0000000000000000 R09: 00007ffe51f25080 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 00000000000f6c32 R14: 0000000000000011 R15: 00007ffe51e61440