------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:4939 WARNING: CPU: 1 PID: 14541 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... kobject: 'bcsf0' (00000000056855bb): kobject_add_internal: parent: 'net', set: 'devices' CPU: 1 PID: 14541 Comm: syz-executor.2 Not tainted 5.0.0-rc6+ #79 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 kobject: 'bcsf0' (00000000056855bb): kobject_uevent_env panic+0x2cb/0x65c kernel/panic.c:214 kobject: 'bcsf0' (00000000056855bb): fill_kobj_path: path = '/devices/virtual/net/bcsf0' kobject: 'queues' (000000003642e5b2): kobject_add_internal: parent: 'bcsf0', set: '' __warn.cold+0x20/0x45 kernel/panic.c:571 kobject: 'queues' (000000003642e5b2): kobject_uevent_env report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 kobject: 'queues' (000000003642e5b2): kobject_uevent_env: filter function caused the event to drop! do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 kobject: 'rx-0' (00000000b3f8e7ca): kobject_add_internal: parent: 'queues', set: 'queues' RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325 Code: dd 80 50 a2 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 80 50 a2 87 48 c7 c7 20 46 a2 87 e8 a4 1b 18 fe <0f> 0b 83 05 21 97 31 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 RSP: 0018:ffff8880659ffb30 EFLAGS: 00010082 kobject: 'rx-0' (00000000b3f8e7ca): kobject_uevent_env RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815a9256 RDI: ffffed100cb3ff58 RBP: ffff8880659ffb70 R08: ffff88804d852100 R09: ffffed1015d23ef9 R10: ffffed1015d23ef8 R11: ffff8880ae91f7c7 R12: 0000000000000001 R13: ffffffff889adce0 R14: ffffffff815fc230 R15: ffff88809201ed20 kobject: 'rx-0' (00000000b3f8e7ca): fill_kobj_path: path = '/devices/virtual/net/bcsf0/queues/rx-0' __debug_check_no_obj_freed lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x29f/0x464 lib/debugobjects.c:817 kobject: 'tx-0' (00000000ed6b47e0): kobject_add_internal: parent: 'queues', set: 'queues' kfree+0xbd/0x230 mm/slab.c:3805 tls_sw_free_resources_tx+0x664/0xa20 net/tls/tls_sw.c:1838 tls_sk_proto_close+0x66c/0x760 net/tls/tls_main.c:280 kobject: 'tx-0' (00000000ed6b47e0): kobject_uevent_env kobject: 'tx-0' (00000000ed6b47e0): fill_kobj_path: path = '/devices/virtual/net/bcsf0/queues/tx-0' inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:473 kobject: 'brif' (0000000028f15b32): kobject_add_internal: parent: 'bcsf0', set: '' __sock_release+0xd3/0x250 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1139 __fput+0x2df/0x8d0 fs/file_table.c:278 kobject: 'batman_adv' (00000000180e1430): kobject_add_internal: parent: 'bcsf0', set: '' ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166 netlink: 112 bytes leftover after parsing attributes in process `syz-executor.1'. prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411d31 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 94 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffd018cfaf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411d31 RDX: 0000000000000000 RSI: 0000000000740530 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000740528 R09: 0000000000137dbe R10: 00007ffd018cfa10 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000b45 R15: 0000000000000002 ======================================================