====================================================== WARNING: possible circular locking dependency detected 4.19.84 #0 Not tainted ------------------------------------------------------ syz-executor.4/20415 is trying to acquire lock: 00000000833d9235 (&mm->mmap_sem){++++}, at: __might_fault+0xfb/0x1e0 mm/memory.c:4637 but task is already holding lock: 00000000d92747d9 (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813 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+0x609/0x17a0 mm/gup.c:730 populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234 __mm_populate+0x204/0x380 mm/gup.c:1282 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_preadv+0x1c4/0x280 fs/read_write.c:1071 __do_sys_preadv fs/read_write.c:1121 [inline] __se_sys_preadv fs/read_write.c:1116 [inline] __x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1116 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: kobject: 'loop2' (00000000040998b9): kobject_uevent_env Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rp->fetch_lock); lock(&mm->mmap_sem); lock( kobject: 'loop2' (00000000040998b9): fill_kobj_path: path = '/devices/virtual/block/loop2' &rp->fetch_lock); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor.4/20415: #0: 00000000d92747d9 (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813 stack backtrace: CPU: 1 PID: 20415 Comm: syz-executor.4 Not tainted 4.19.84 #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 kobject: 'loop0' (000000007329525d): kobject_uevent_env kobject: 'loop0' (000000007329525d): fill_kobj_path: path = '/devices/virtual/block/loop0' 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_preadv+0x1c4/0x280 fs/read_write.c:1071 __do_sys_preadv fs/read_write.c:1121 [inline] __se_sys_preadv fs/read_write.c:1116 [inline] __x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1116 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a639 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:00007f73a6f40c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a639 RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73a6f416d4 R13: 00000000004c7eb1 R14: 00000000004dddd0 R15: 00000000ffffffff kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000050c8127e): kobject_uevent_env kobject: 'loop3' (0000000050c8127e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env IPVS: ftp: loaded support on port[0] = 21 kobject: 'lo' (0000000014cf0f1d): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'lo' (0000000014cf0f1d): kobject_uevent_env kobject: 'lo' (0000000014cf0f1d): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'queues' (0000000059d94e9b): kobject_add_internal: parent: 'lo', set: '' kobject: 'queues' (0000000059d94e9b): kobject_uevent_env kobject: 'queues' (0000000059d94e9b): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000008bd4b39d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000008bd4b39d): kobject_uevent_env kobject: 'rx-0' (000000008bd4b39d): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'tx-0' (00000000b6893ef7): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000b6893ef7): kobject_uevent_env kobject: 'tx-0' (00000000b6893ef7): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'tunl0' (0000000078c5992b): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tunl0' (0000000078c5992b): kobject_uevent_env kobject: 'tunl0' (0000000078c5992b): fill_kobj_path: path = '/devices/virtual/net/tunl0' kobject: 'queues' (00000000c94f9796): kobject_add_internal: parent: 'tunl0', set: '' kobject: 'queues' (00000000c94f9796): kobject_uevent_env kobject: 'queues' (00000000c94f9796): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000860410c6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000860410c6): kobject_uevent_env kobject: 'rx-0' (00000000860410c6): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' kobject: 'tx-0' (00000000498366b4): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000498366b4): kobject_uevent_env kobject: 'tx-0' (00000000498366b4): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' kobject: 'gre0' (00000000e3e6c256): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gre0' (00000000e3e6c256): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'gre0' (00000000e3e6c256): fill_kobj_path: path = '/devices/virtual/net/gre0' kobject: 'queues' (000000006456a24b): kobject_add_internal: parent: 'gre0', set: '' kobject: 'queues' (000000006456a24b): kobject_uevent_env kobject: 'queues' (000000006456a24b): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000a8b3e152): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000a8b3e152): kobject_uevent_env kobject: 'rx-0' (00000000a8b3e152): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' kobject: 'tx-0' (00000000ea8dccba): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000ea8dccba): kobject_uevent_env kobject: 'tx-0' (00000000ea8dccba): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' kobject: 'gretap0' (000000000d35dec3): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gretap0' (000000000d35dec3): kobject_uevent_env kobject: 'gretap0' (000000000d35dec3): fill_kobj_path: path = '/devices/virtual/net/gretap0' kobject: 'queues' (000000003657f7dc): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'queues' (000000003657f7dc): kobject_uevent_env kobject: 'loop3' (0000000050c8127e): kobject_uevent_env kobject: 'queues' (000000003657f7dc): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000004f0e6ef8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000004f0e6ef8): kobject_uevent_env kobject: 'rx-0' (000000004f0e6ef8): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/rx-0' kobject: 'tx-0' (00000000068cf4f5): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000068cf4f5): kobject_uevent_env kobject: 'tx-0' (00000000068cf4f5): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/tx-0' kobject: 'batman_adv' (000000002ebf0f98): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'erspan0' (000000005ed79e2b): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'erspan0' (000000005ed79e2b): kobject_uevent_env kobject: 'erspan0' (000000005ed79e2b): fill_kobj_path: path = '/devices/virtual/net/erspan0' kobject: 'queues' (00000000a6177de8): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'queues' (00000000a6177de8): kobject_uevent_env kobject: 'queues' (00000000a6177de8): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (0000000050c8127e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (00000000d10eb2e4): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000d10eb2e4): kobject_uevent_env kobject: 'rx-0' (00000000d10eb2e4): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/rx-0' kobject: 'tx-0' (000000004708ec8b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000004708ec8b): kobject_uevent_env kobject: 'tx-0' (000000004708ec8b): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/tx-0' kobject: 'batman_adv' (00000000a01c2da5): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'ip_vti0' (000000000fe012bf): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip_vti0' (000000000fe012bf): kobject_uevent_env kobject: 'ip_vti0' (000000000fe012bf): fill_kobj_path: path = '/devices/virtual/net/ip_vti0' kobject: 'queues' (0000000058543bc2): kobject_add_internal: parent: 'ip_vti0', set: '' kobject: 'queues' (0000000058543bc2): kobject_uevent_env kobject: 'queues' (0000000058543bc2): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000bb97f142): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env kobject: 'rx-0' (00000000bb97f142): kobject_uevent_env kobject: 'rx-0' (00000000bb97f142): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/rx-0' kobject: 'tx-0' (00000000d735a87a): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000d735a87a): kobject_uevent_env kobject: 'tx-0' (00000000d735a87a): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/tx-0' kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000bb97f142): kobject_cleanup, parent 0000000058543bc2 kobject: 'rx-0' (00000000bb97f142): auto cleanup 'remove' event kobject: 'loop0' (000000007329525d): kobject_uevent_env kobject: 'rx-0' (00000000bb97f142): kobject_uevent_env kobject: 'rx-0' (00000000bb97f142): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/rx-0' kobject: 'loop0' (000000007329525d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (00000000bb97f142): auto cleanup kobject_del kobject: 'rx-0' (00000000bb97f142): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000d735a87a): kobject_cleanup, parent 0000000058543bc2 kobject: 'loop2' (00000000040998b9): kobject_uevent_env kobject: 'tx-0' (00000000d735a87a): auto cleanup 'remove' event kobject: 'tx-0' (00000000d735a87a): kobject_uevent_env kobject: 'tx-0' (00000000d735a87a): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/tx-0' kobject: 'tx-0' (00000000d735a87a): auto cleanup kobject_del kobject: 'loop2' (00000000040998b9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000d735a87a): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000058543bc2): kobject_cleanup, parent (null) kobject: 'queues' (0000000058543bc2): calling ktype release kobject: 'queues' (0000000058543bc2): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (000000000fe012bf): kobject_uevent_env kobject: 'ip_vti0' (000000000fe012bf): fill_kobj_path: path = '/devices/virtual/net/ip_vti0' kobject: 'loop3' (0000000050c8127e): kobject_uevent_env kobject: 'loop3' (0000000050c8127e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ip_vti0' (000000000fe012bf): kobject_cleanup, parent (null) kobject: 'ip_vti0' (000000000fe012bf): calling ktype release kobject: 'ip_vti0': free name kobject: 'batman_adv' (00000000a01c2da5): kobject_uevent_env kobject: 'batman_adv' (00000000a01c2da5): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000a01c2da5): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000a01c2da5): calling ktype release kobject: (00000000a01c2da5): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000d10eb2e4): kobject_cleanup, parent 00000000a6177de8 kobject: 'rx-0' (00000000d10eb2e4): auto cleanup 'remove' event kobject: 'rx-0' (00000000d10eb2e4): kobject_uevent_env kobject: 'rx-0' (00000000d10eb2e4): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/rx-0' kobject: 'rx-0' (00000000d10eb2e4): auto cleanup kobject_del kobject: 'rx-0' (00000000d10eb2e4): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004708ec8b): kobject_cleanup, parent 00000000a6177de8 kobject: 'tx-0' (000000004708ec8b): auto cleanup 'remove' event kobject: 'tx-0' (000000004708ec8b): kobject_uevent_env kobject: 'tx-0' (000000004708ec8b): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/tx-0' kobject: 'tx-0' (000000004708ec8b): auto cleanup kobject_del kobject: 'tx-0' (000000004708ec8b): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000a6177de8): kobject_cleanup, parent (null) kobject: 'queues' (00000000a6177de8): calling ktype release kobject: 'queues' (00000000a6177de8): kset_release kobject: 'queues': free name kobject: 'erspan0' (000000005ed79e2b): kobject_uevent_env kobject: 'erspan0' (000000005ed79e2b): fill_kobj_path: path = '/devices/virtual/net/erspan0' kobject: 'erspan0' (000000005ed79e2b): kobject_cleanup, parent (null) kobject: 'erspan0' (000000005ed79e2b): calling ktype release kobject: 'erspan0': free name kobject: 'batman_adv' (000000002ebf0f98): kobject_uevent_env kobject: 'batman_adv' (000000002ebf0f98): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (000000002ebf0f98): kobject_cleanup, parent (null) kobject: 'batman_adv' (000000002ebf0f98): calling ktype release kobject: (000000002ebf0f98): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000004f0e6ef8): kobject_cleanup, parent 000000003657f7dc kobject: 'rx-0' (000000004f0e6ef8): auto cleanup 'remove' event kobject: 'rx-0' (000000004f0e6ef8): kobject_uevent_env kobject: 'rx-0' (000000004f0e6ef8): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/rx-0' kobject: 'rx-0' (000000004f0e6ef8): auto cleanup kobject_del kobject: 'rx-0' (000000004f0e6ef8): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000068cf4f5): kobject_cleanup, parent 000000003657f7dc kobject: 'tx-0' (00000000068cf4f5): auto cleanup 'remove' event kobject: 'tx-0' (00000000068cf4f5): kobject_uevent_env kobject: 'tx-0' (00000000068cf4f5): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/tx-0' kobject: 'tx-0' (00000000068cf4f5): auto cleanup kobject_del kobject: 'tx-0' (00000000068cf4f5): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000003657f7dc): kobject_cleanup, parent (null) kobject: 'queues' (000000003657f7dc): calling ktype release kobject: 'queues' (000000003657f7dc): kset_release kobject: 'queues': free name kobject: 'gretap0' (000000000d35dec3): kobject_uevent_env kobject: 'gretap0' (000000000d35dec3): fill_kobj_path: path = '/devices/virtual/net/gretap0' kobject: 'gretap0' (000000000d35dec3): kobject_cleanup, parent (null) kobject: 'gretap0' (000000000d35dec3): calling ktype release kobject: 'gretap0': free name kobject: 'rx-0' (00000000a8b3e152): kobject_cleanup, parent 000000006456a24b kobject: 'rx-0' (00000000a8b3e152): auto cleanup 'remove' event kobject: 'rx-0' (00000000a8b3e152): kobject_uevent_env kobject: 'rx-0' (00000000a8b3e152): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' kobject: 'rx-0' (00000000a8b3e152): auto cleanup kobject_del kobject: 'rx-0' (00000000a8b3e152): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000ea8dccba): kobject_cleanup, parent 000000006456a24b kobject: 'tx-0' (00000000ea8dccba): auto cleanup 'remove' event kobject: 'tx-0' (00000000ea8dccba): kobject_uevent_env kobject: 'tx-0' (00000000ea8dccba): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' kobject: 'tx-0' (00000000ea8dccba): auto cleanup kobject_del kobject: 'tx-0' (00000000ea8dccba): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000006456a24b): kobject_cleanup, parent (null) kobject: 'queues' (000000006456a24b): calling ktype release kobject: 'queues' (000000006456a24b): kset_release kobject: 'queues': free name kobject: 'gre0' (00000000e3e6c256): kobject_uevent_env kobject: 'gre0' (00000000e3e6c256): fill_kobj_path: path = '/devices/virtual/net/gre0' kobject: 'gre0' (00000000e3e6c256): kobject_cleanup, parent (null) kobject: 'gre0' (00000000e3e6c256): calling ktype release kobject: 'gre0': free name kobject: 'rx-0' (00000000860410c6): kobject_cleanup, parent 00000000c94f9796 kobject: 'rx-0' (00000000860410c6): auto cleanup 'remove' event kobject: 'rx-0' (00000000860410c6): kobject_uevent_env kobject: 'rx-0' (00000000860410c6): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' kobject: 'rx-0' (00000000860410c6): auto cleanup kobject_del kobject: 'rx-0' (00000000860410c6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000498366b4): kobject_cleanup, parent 00000000c94f9796 kobject: 'tx-0' (00000000498366b4): auto cleanup 'remove' event kobject: 'tx-0' (00000000498366b4): kobject_uevent_env kobject: 'tx-0' (00000000498366b4): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' kobject: 'tx-0' (00000000498366b4): auto cleanup kobject_del kobject: 'tx-0' (00000000498366b4): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000c94f9796): kobject_cleanup, parent (null) kobject: 'queues' (00000000c94f9796): calling ktype release kobject: 'queues' (00000000c94f9796): kset_release kobject: 'queues': free name kobject: 'tunl0' (0000000078c5992b): kobject_uevent_env kobject: 'tunl0' (0000000078c5992b): fill_kobj_path: path = '/devices/virtual/net/tunl0' kobject: 'tunl0' (0000000078c5992b): kobject_cleanup, parent (null) kobject: 'tunl0' (0000000078c5992b): calling ktype release kobject: 'tunl0': free name kobject: 'rx-0' (000000008bd4b39d): kobject_cleanup, parent 0000000059d94e9b kobject: 'rx-0' (000000008bd4b39d): auto cleanup 'remove' event kobject: 'rx-0' (000000008bd4b39d): kobject_uevent_env kobject: 'rx-0' (000000008bd4b39d): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'rx-0' (000000008bd4b39d): auto cleanup kobject_del kobject: 'rx-0' (000000008bd4b39d): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000b6893ef7): kobject_cleanup, parent 0000000059d94e9b kobject: 'tx-0' (00000000b6893ef7): auto cleanup 'remove' event kobject: 'tx-0' (00000000b6893ef7): kobject_uevent_env kobject: 'tx-0' (00000000b6893ef7): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'tx-0' (00000000b6893ef7): auto cleanup kobject_del kobject: 'tx-0' (00000000b6893ef7): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000059d94e9b): kobject_cleanup, parent (null) kobject: 'queues' (0000000059d94e9b): calling ktype release kobject: 'queues' (0000000059d94e9b): kset_release kobject: 'queues': free name kobject: 'lo' (0000000014cf0f1d): kobject_uevent_env kobject: 'lo' (0000000014cf0f1d): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'lo' (0000000014cf0f1d): kobject_cleanup, parent (null) kobject: 'lo' (0000000014cf0f1d): calling ktype release kobject: 'lo': free name kobject: 'loop0p252' (00000000c419e0c9): kobject_add_internal: parent: 'loop0', set: 'devices' kobject: 'loop0p252' (00000000c419e0c9): kobject_uevent_env kobject: 'loop0p252' (00000000c419e0c9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (0000000050c8127e): kobject_uevent_env kobject: 'loop3' (0000000050c8127e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'holders' (00000000ed453b6c): kobject_add_internal: parent: 'loop0p252', set: '' kobject: 'loop0p252' (00000000c419e0c9): kobject_uevent_env kobject: 'loop0p252' (00000000c419e0c9): fill_kobj_path: path = '/devices/virtual/block/loop0/loop0p252' kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000050c8127e): kobject_uevent_env kobject: 'loop3' (0000000050c8127e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000e425bdea): kobject_uevent_env kobject: 'kvm' (00000000e425bdea): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007329525d): kobject_uevent_env kobject: 'loop0' (000000007329525d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000e425bdea): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000e425bdea): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000050c8127e): kobject_uevent_env kobject: 'loop3' (0000000050c8127e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000040998b9): kobject_uevent_env kobject: 'loop2' (00000000040998b9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000007329525d): kobject_uevent_env kobject: 'loop0' (000000007329525d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000e425bdea): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env kobject: 'kvm' (00000000e425bdea): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000e425bdea): kobject_uevent_env kobject: 'kvm' (00000000e425bdea): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000050c8127e): kobject_uevent_env kobject: 'loop3' (0000000050c8127e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env kobject: 'kvm' (00000000e425bdea): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000e425bdea): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (000000007329525d): kobject_uevent_env kobject: 'loop0' (000000007329525d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000e425bdea): kobject_uevent_env kobject: 'kvm' (00000000e425bdea): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000009bdcbdd5): kobject_uevent_env kobject: 'loop4' (000000009bdcbdd5): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000050c8127e): kobject_uevent_env kobject: 'loop3' (0000000050c8127e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000040998b9): kobject_uevent_env kobject: 'loop2' (00000000040998b9): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000007329525d): kobject_uevent_env kobject: 'loop0' (000000007329525d): fill_kobj_path: path = '/devices/virtual/block/loop0'