IPv6: ADDRCONF(NETDEV_UP): veth1803: link is not ready ====================================================== WARNING: possible circular locking dependency detected 4.19.89-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/7797 is trying to acquire lock: kobject: 'loop4' (00000000a1ae4cd1): kobject_uevent_env 000000002958e7de (&mm->mmap_sem){++++}, at: __might_fault+0xfb/0x1e0 mm/memory.c:4637 but task is already holding lock: kobject: 'loop4' (00000000a1ae4cd1): fill_kobj_path: path = '/devices/virtual/block/loop4' 000000005a7131bc (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813 device veth1803 entered promiscuous mode which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rp->fetch_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 __do_fault+0x111/0x480 mm/memory.c:3269 do_cow_fault mm/memory.c:3710 [inline] do_fault mm/memory.c:3812 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0xf6d/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 faultin_page mm/gup.c:530 [inline] __get_user_pages+0x609/0x1860 mm/gup.c:730 populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234 __mm_populate+0x204/0x380 mm/gup.c:1282 team0: Port device veth1803 added mm_populate include/linux/mm.h:2323 [inline] vm_mmap_pgoff+0x213/0x230 mm/util.c:362 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1586 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&mm->mmap_sem){++++}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __might_fault mm/memory.c:4638 [inline] __might_fault+0x15e/0x1e0 mm/memory.c:4623 _copy_to_user+0x30/0x120 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_read+0x329/0x640 drivers/usb/mon/mon_bin.c:825 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 do_readv+0x15e/0x370 fs/read_write.c:1020 __do_sys_readv fs/read_write.c:1107 [inline] __se_sys_readv fs/read_write.c:1104 [inline] __x64_sys_readv+0x75/0xb0 fs/read_write.c:1104 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rp->fetch_lock); lock(&mm->mmap_sem); lock(&rp->fetch_lock); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor.0/7797: #0: 000000005a7131bc (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813 stack backtrace: CPU: 1 PID: 7797 Comm: syz-executor.0 Not tainted 4.19.89-syzkaller #0 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+0x197/0x210 lib/dump_stack.c:118 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e19/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __might_fault mm/memory.c:4638 [inline] __might_fault+0x15e/0x1e0 mm/memory.c:4623 _copy_to_user+0x30/0x120 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_read+0x329/0x640 drivers/usb/mon/mon_bin.c:825 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 do_readv+0x15e/0x370 fs/read_write.c:1020 __do_sys_readv fs/read_write.c:1107 [inline] __se_sys_readv fs/read_write.c:1104 [inline] __x64_sys_readv+0x75/0xb0 fs/read_write.c:1104 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a909 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1b146adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a909 kobject: 'loop4' (00000000a1ae4cd1): kobject_uevent_env RDX: 0000000000000001 RSI: 0000000020000600 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b146ae6d4 R13: 00000000004c8cf3 R14: 00000000004e07c0 R15: 00000000ffffffff nla_parse: 1 callbacks suppressed netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop4' (00000000a1ae4cd1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000003f934272): kobject_uevent_env kobject: 'loop5' (000000003f934272): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'veth1804' (00000000077c52a1): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop0' (0000000061413a62): kobject_uevent_env kobject: 'loop0' (0000000061413a62): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'veth1804' (00000000077c52a1): kobject_uevent_env kobject: 'veth1804' (00000000077c52a1): fill_kobj_path: path = '/devices/virtual/net/veth1804' kobject: 'loop0' (0000000061413a62): kobject_uevent_env kobject: 'loop0' (0000000061413a62): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (00000000eefb0f1a): kobject_add_internal: parent: 'veth1804', set: '' kobject: 'queues' (00000000eefb0f1a): kobject_uevent_env kobject: 'queues' (00000000eefb0f1a): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000006bc7dbf5): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000006bc7dbf5): kobject_uevent_env kobject: 'rx-0' (000000006bc7dbf5): fill_kobj_path: path = '/devices/virtual/net/veth1804/queues/rx-0' kobject: 'tx-0' (000000000e5fa2ef): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000000e5fa2ef): kobject_uevent_env kobject: 'tx-0' (000000000e5fa2ef): fill_kobj_path: path = '/devices/virtual/net/veth1804/queues/tx-0' kobject: 'batman_adv' (00000000571d69d0): kobject_add_internal: parent: 'veth1804', set: '' kobject: 'veth1805' (00000000bd1ef806): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1805' (00000000bd1ef806): kobject_uevent_env kobject: 'veth1805' (00000000bd1ef806): fill_kobj_path: path = '/devices/virtual/net/veth1805' kobject: 'queues' (00000000645370b2): kobject_add_internal: parent: 'veth1805', set: '' kobject: 'queues' (00000000645370b2): kobject_uevent_env kobject: 'queues' (00000000645370b2): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000003f25c079): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000003f25c079): kobject_uevent_env kobject: 'rx-0' (000000003f25c079): fill_kobj_path: path = '/devices/virtual/net/veth1805/queues/rx-0' kobject: 'tx-0' (0000000061bf333d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000061bf333d): kobject_uevent_env kobject: 'tx-0' (0000000061bf333d): fill_kobj_path: path = '/devices/virtual/net/veth1805/queues/tx-0' kobject: 'batman_adv' (0000000094cd2246): kobject_add_internal: parent: 'veth1805', set: '' IPv6: ADDRCONF(NETDEV_UP): veth1805: link is not ready device veth1805 entered promiscuous mode team0: Port device veth1805 added kobject: 'loop4' (00000000a1ae4cd1): kobject_uevent_env kobject: 'loop4' (00000000a1ae4cd1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000061413a62): kobject_uevent_env kobject: 'loop0' (0000000061413a62): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000003f934272): kobject_uevent_env kobject: 'loop5' (000000003f934272): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop4' (00000000a1ae4cd1): kobject_uevent_env kobject: 'veth1806' (00000000af46cc32): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop4' (00000000a1ae4cd1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth1806' (00000000af46cc32): kobject_uevent_env kobject: 'veth1806' (00000000af46cc32): fill_kobj_path: path = '/devices/virtual/net/veth1806' kobject: 'queues' (00000000dbe6b98e): kobject_add_internal: parent: 'veth1806', set: '' kobject: 'queues' (00000000dbe6b98e): kobject_uevent_env kobject: 'queues' (00000000dbe6b98e): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000bdc7a7d2): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000bdc7a7d2): kobject_uevent_env kobject: 'rx-0' (00000000bdc7a7d2): fill_kobj_path: path = '/devices/virtual/net/veth1806/queues/rx-0' kobject: 'tx-0' (000000009b4cc08b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000009b4cc08b): kobject_uevent_env kobject: 'tx-0' (000000009b4cc08b): fill_kobj_path: path = '/devices/virtual/net/veth1806/queues/tx-0' kobject: 'batman_adv' (000000007dcf62ca): kobject_add_internal: parent: 'veth1806', set: '' kobject: 'veth1807' (000000005805f42d): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1807' (000000005805f42d): kobject_uevent_env kobject: 'veth1807' (000000005805f42d): fill_kobj_path: path = '/devices/virtual/net/veth1807' kobject: 'queues' (00000000a6e7be14): kobject_add_internal: parent: 'veth1807', set: '' kobject: 'queues' (00000000a6e7be14): kobject_uevent_env kobject: 'queues' (00000000a6e7be14): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000008cafdc17): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000008cafdc17): kobject_uevent_env kobject: 'rx-0' (000000008cafdc17): fill_kobj_path: path = '/devices/virtual/net/veth1807/queues/rx-0' kobject: 'tx-0' (00000000ef1e1a38): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000ef1e1a38): kobject_uevent_env kobject: 'tx-0' (00000000ef1e1a38): fill_kobj_path: path = '/devices/virtual/net/veth1807/queues/tx-0' kobject: 'batman_adv' (00000000a1169f2a): kobject_add_internal: parent: 'veth1807', set: '' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'veth2' (00000000e2059820): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth2' (00000000e2059820): kobject_uevent_env kobject: 'veth2' (00000000e2059820): fill_kobj_path: path = '/devices/virtual/net/veth2' kobject: 'queues' (0000000050cdf01e): kobject_add_internal: parent: 'veth2', set: '' kobject: 'queues' (0000000050cdf01e): kobject_uevent_env kobject: 'queues' (0000000050cdf01e): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000008cfc3b1c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000008cfc3b1c): kobject_uevent_env kobject: 'rx-0' (000000008cfc3b1c): fill_kobj_path: path = '/devices/virtual/net/veth2/queues/rx-0' kobject: 'tx-0' (000000003fa9a2c6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000003fa9a2c6): kobject_uevent_env kobject: 'tx-0' (000000003fa9a2c6): fill_kobj_path: path = '/devices/virtual/net/veth2/queues/tx-0' kobject: 'batman_adv' (00000000e6405c28): kobject_add_internal: parent: 'veth2', set: '' kobject: 'veth3' (000000007a8f01a9): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth3' (000000007a8f01a9): kobject_uevent_env kobject: 'veth3' (000000007a8f01a9): fill_kobj_path: path = '/devices/virtual/net/veth3' kobject: 'queues' (00000000c34c2900): kobject_add_internal: parent: 'veth3', set: '' kobject: 'queues' (00000000c34c2900): kobject_uevent_env kobject: 'queues' (00000000c34c2900): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000003a0bdbb2): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000003a0bdbb2): kobject_uevent_env kobject: 'rx-0' (000000003a0bdbb2): fill_kobj_path: path = '/devices/virtual/net/veth3/queues/rx-0' kobject: 'tx-0' (000000007aeb62d9): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000007aeb62d9): kobject_uevent_env kobject: 'tx-0' (000000007aeb62d9): fill_kobj_path: path = '/devices/virtual/net/veth3/queues/tx-0' kobject: 'batman_adv' (00000000c5c64d6c): kobject_add_internal: parent: 'veth3', set: '' IPv6: ADDRCONF(NETDEV_UP): veth3: link is not ready team0: Port device veth3 added IPv6: ADDRCONF(NETDEV_UP): veth1807: link is not ready device veth1807 entered promiscuous mode kobject: 'loop0' (0000000061413a62): kobject_uevent_env team0: Port device veth1807 added kobject: 'loop0' (0000000061413a62): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000003f934272): kobject_uevent_env kobject: 'loop5' (000000003f934272): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop4' (00000000a1ae4cd1): kobject_uevent_env kobject: 'loop4' (00000000a1ae4cd1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'veth1808' (00000000423d91c4): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1808' (00000000423d91c4): kobject_uevent_env kobject: 'veth1808' (00000000423d91c4): fill_kobj_path: path = '/devices/virtual/net/veth1808' kobject: 'queues' (000000004ac2e710): kobject_add_internal: parent: 'veth1808', set: '' kobject: 'queues' (000000004ac2e710): kobject_uevent_env kobject: 'queues' (000000004ac2e710): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000005099069e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000005099069e): kobject_uevent_env kobject: 'rx-0' (000000005099069e): fill_kobj_path: path = '/devices/virtual/net/veth1808/queues/rx-0' kobject: 'tx-0' (00000000567d544d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000567d544d): kobject_uevent_env kobject: 'tx-0' (00000000567d544d): fill_kobj_path: path = '/devices/virtual/net/veth1808/queues/tx-0' kobject: 'batman_adv' (00000000941f0276): kobject_add_internal: parent: 'veth1808', set: '' kobject: 'veth1809' (00000000ea3975cf): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1809' (00000000ea3975cf): kobject_uevent_env kobject: 'veth1809' (00000000ea3975cf): fill_kobj_path: path = '/devices/virtual/net/veth1809' kobject: 'queues' (0000000021bf6355): kobject_add_internal: parent: 'veth1809', set: '' kobject: 'queues' (0000000021bf6355): kobject_uevent_env kobject: 'queues' (0000000021bf6355): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000001b71d514): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000001b71d514): kobject_uevent_env kobject: 'rx-0' (000000001b71d514): fill_kobj_path: path = '/devices/virtual/net/veth1809/queues/rx-0' kobject: 'tx-0' (0000000038217f92): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (0000000061413a62): kobject_uevent_env kobject: 'tx-0' (0000000038217f92): kobject_uevent_env kobject: 'loop0' (0000000061413a62): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (0000000038217f92): fill_kobj_path: path = '/devices/virtual/net/veth1809/queues/tx-0' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=12849 sclass=netlink_xfrm_socket pig=7883 comm=syz-executor.3 kobject: 'batman_adv' (00000000c6e41726): kobject_add_internal: parent: 'veth1809', set: '' IPv6: ADDRCONF(NETDEV_UP): veth1809: link is not ready device veth1809 entered promiscuous mode team0: Port device veth1809 added kobject: 'loop4' (00000000a1ae4cd1): kobject_uevent_env kobject: 'loop4' (00000000a1ae4cd1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000003f934272): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop5' (000000003f934272): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'veth1810' (000000008f63d8ec): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (00000000e3355e86): kobject_uevent_env kobject: 'veth1810' (000000008f63d8ec): kobject_uevent_env kobject: 'loop3' (00000000e3355e86): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'veth1810' (000000008f63d8ec): fill_kobj_path: path = '/devices/virtual/net/veth1810' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=12849 sclass=netlink_xfrm_socket pig=7903 comm=syz-executor.3 kobject: 'queues' (00000000527ed60a): kobject_add_internal: parent: 'veth1810', set: '' kobject: 'queues' (00000000527ed60a): kobject_uevent_env kobject: 'queues' (00000000527ed60a): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000fa192631): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000fa192631): kobject_uevent_env kobject: 'rx-0' (00000000fa192631): fill_kobj_path: path = '/devices/virtual/net/veth1810/queues/rx-0' kobject: 'tx-0' (00000000f5f79e19): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000f5f79e19): kobject_uevent_env kobject: 'tx-0' (00000000f5f79e19): fill_kobj_path: path = '/devices/virtual/net/veth1810/queues/tx-0' kobject: 'batman_adv' (00000000221846c6): kobject_add_internal: parent: 'veth1810', set: '' kobject: 'veth1811' (0000000027aa3b6d): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1811' (0000000027aa3b6d): kobject_uevent_env kobject: 'veth1811' (0000000027aa3b6d): fill_kobj_path: path = '/devices/virtual/net/veth1811' kobject: 'queues' (00000000814bec0e): kobject_add_internal: parent: 'veth1811', set: '' kobject: 'loop0' (0000000061413a62): kobject_uevent_env kobject: 'queues' (00000000814bec0e): kobject_uevent_env kobject: 'loop0' (0000000061413a62): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (00000000814bec0e): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000005a8133f3): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000005a8133f3): kobject_uevent_env kobject: 'rx-0' (000000005a8133f3): fill_kobj_path: path = '/devices/virtual/net/veth1811/queues/rx-0' kobject: 'tx-0' (0000000070a70b39): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000070a70b39): kobject_uevent_env kobject: 'tx-0' (0000000070a70b39): fill_kobj_path: path = '/devices/virtual/net/veth1811/queues/tx-0' kobject: 'batman_adv' (00000000e6cef342): kobject_add_internal: parent: 'veth1811', set: '' IPv6: ADDRCONF(NETDEV_UP): veth1811: link is not ready kobject: 'loop3' (00000000e3355e86): kobject_uevent_env kobject: 'loop3' (00000000e3355e86): fill_kobj_path: path = '/devices/virtual/block/loop3' device veth1811 entered promiscuous mode team0: Port device veth1811 added kobject: 'loop4' (00000000a1ae4cd1): kobject_uevent_env kobject: 'loop4' (00000000a1ae4cd1): fill_kobj_path: path = '/devices/virtual/block/loop4' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=12849 sclass=netlink_xfrm_socket pig=7928 comm=syz-executor.3 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop5' (000000003f934272): kobject_uevent_env kobject: 'veth1812' (000000008e98d2fc): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (000000003f934272): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'veth1812' (000000008e98d2fc): kobject_uevent_env kobject: 'veth1812' (000000008e98d2fc): fill_kobj_path: path = '/devices/virtual/net/veth1812' kobject: 'queues' (000000002fe5d111): kobject_add_internal: parent: 'veth1812', set: '' kobject: 'queues' (000000002fe5d111): kobject_uevent_env kobject: 'loop3' (00000000e3355e86): kobject_uevent_env kobject: 'queues' (000000002fe5d111): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000008fb11d55): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000008fb11d55): kobject_uevent_env kobject: 'loop3' (00000000e3355e86): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000008fb11d55): fill_kobj_path: path = '/devices/virtual/net/veth1812/queues/rx-0' kobject: 'loop0' (0000000061413a62): kobject_uevent_env kobject: 'loop0' (0000000061413a62): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (00000000342dcb63): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000342dcb63): kobject_uevent_env kobject: 'tx-0' (00000000342dcb63): fill_kobj_path: path = '/devices/virtual/net/veth1812/queues/tx-0' kobject: 'batman_adv' (000000006f05a9c6): kobject_add_internal: parent: 'veth1812', set: '' kobject: 'veth1813' (00000000fc4cf377): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1813' (00000000fc4cf377): kobject_uevent_env