====================================================== WARNING: possible circular locking dependency detected kobject: 'bonding_slave' (000000003248974e): kobject_add_internal: parent: 'bond_slave_1', set: '' 4.19.81 #0 Not tainted ------------------------------------------------------ syz-executor.4/9195 is trying to acquire lock: 00000000833a5204 (&mm->mmap_sem){++++}, at: __might_fault+0xfb/0x1e0 mm/memory.c:4637 but task is already holding lock: 00000000dc443ac2 (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813 which lock already depends on the new lock. bond0: Enslaving bond_slave_1 as an active interface with an up link 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 kobject: 'bonding_slave' (000000003248974e): kobject_cleanup, parent 000000007626e556 __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:2328 [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 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env _copy_to_user+0x30/0x120 lib/usercopy.c:25 kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' 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 kobject: 'bonding_slave' (000000003248974e): does not have a release() function, it is broken and must be fixed. __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: kobject: 'bonding_slave' (000000003248974e): auto cleanup kobject_del 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.4/9195: #0: 00000000dc443ac2 (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813 stack backtrace: CPU: 1 PID: 9195 Comm: syz-executor.4 Not tainted 4.19.81 #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+0x172/0x1f0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 kobject: 'bonding_slave': free name 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: 'loop3' (00000000e445c91e): kobject_uevent_env lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __might_fault mm/memory.c:4638 [inline] __might_fault+0x15e/0x1e0 mm/memory.c:4623 kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' _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 ISOFS: Unable to identify CD-ROM format. 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: 0033:0x459f49 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:00007f305380fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459f49 RDX: 0000000000000001 RSI: 0000000020000400 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f30538106d4 R13: 00000000004c76bf R14: 00000000004dd630 R15: 00000000ffffffff bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bonding_slave' (000000000526d189): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (000000000526d189): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (000000000526d189): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (000000000526d189): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'bonding_slave' (000000008f90d640): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' bond0: Enslaving bond_slave_1 as an active interface with an up link ISOFS: Unable to identify CD-ROM format. bond0: Error: Device is in use and cannot be enslaved kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'bonding_slave' (00000000e69f5c5c): kobject_cleanup, parent 00000000863416a7 kobject: 'bonding_slave' (00000000e69f5c5c): does not have a release() function, it is broken and must be fixed. kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (00000000e69f5c5c): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bonding_slave' (000000008f90d640): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (000000008f90d640): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (000000008f90d640): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1572380814.579:67): pid=9288 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir620739747/syzkaller.ve6HvF/105/file0" dev="sda1" ino=16795 res=1 audit: type=1804 audit(1572380814.589:68): pid=9289 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir620739747/syzkaller.ve6HvF/105/file0" dev="sda1" ino=16795 res=1 kobject: 'bonding_slave' (000000005989652e): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' ISOFS: Unable to identify CD-ROM format. kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bonding_slave' (000000005989652e): kobject_cleanup, parent 00000000863416a7 kobject: 'bonding_slave' (000000005989652e): does not have a release() function, it is broken and must be fixed. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'bonding_slave' (000000005989652e): auto cleanup kobject_del kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave': free name kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' bond0: Releasing backup interface bond_slave_1 kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bonding_slave' (00000000d3211c81): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'bonding_slave' (00000000d3211c81): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (00000000d3211c81): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (00000000d3211c81): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'bonding_slave' (00000000e71d738f): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link ISOFS: Unable to identify CD-ROM format. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (00000000e71d738f): kobject_cleanup, parent 000000007626e556 kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'bonding_slave' (00000000e71d738f): does not have a release() function, it is broken and must be fixed. kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bonding_slave' (00000000e71d738f): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000027ea841d): kobject_add_internal: parent: 'bond_slave_1', set: '' ISOFS: Unable to identify CD-ROM format. kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): kobject_uevent_env bond0: Error: Device is in use and cannot be enslaved kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' ISOFS: Unable to identify CD-ROM format. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' bond0: Error: Device is in use and cannot be enslaved ISOFS: Unable to identify CD-ROM format. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env bond0: Error: Device is in use and cannot be enslaved kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000027ea841d): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (0000000027ea841d): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (0000000027ea841d): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bonding_slave' (0000000035a8fe52): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env bond0: Enslaving bond_slave_1 as an active interface with an up link nla_parse: 15 callbacks suppressed netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000035a8fe52): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (0000000035a8fe52): does not have a release() function, it is broken and must be fixed. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000035a8fe52): auto cleanup kobject_del kobject: 'bonding_slave': free name kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'bonding_slave' (000000009bd5afcd): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'bonding_slave' (000000009bd5afcd): kobject_cleanup, parent 00000000863416a7 kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (000000009bd5afcd): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (000000009bd5afcd): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000021299c8f): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (000000009e8477de): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'bonding_slave' (0000000021299c8f): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (0000000021299c8f): does not have a release() function, it is broken and must be fixed. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'bonding_slave' (0000000021299c8f): auto cleanup kobject_del kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'bonding_slave' (000000009e8477de): kobject_cleanup, parent 00000000863416a7 kobject: 'bonding_slave' (000000009e8477de): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (000000009e8477de): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c0319313): kobject_uevent_env netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bonding_slave' (000000007fc0738e): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'bonding_slave' (0000000088dcbbc4): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'bonding_slave' (000000007fc0738e): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (000000007fc0738e): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (000000007fc0738e): auto cleanup kobject_del kobject: 'bonding_slave': free name ISOFS: Unable to identify CD-ROM format. bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'bonding_slave' (0000000088dcbbc4): kobject_cleanup, parent 00000000863416a7 kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000088dcbbc4): does not have a release() function, it is broken and must be fixed. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'bonding_slave' (0000000088dcbbc4): auto cleanup kobject_del kobject: 'bonding_slave': free name kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' bond0: Releasing backup interface bond_slave_1 kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' ISOFS: Unable to identify CD-ROM format. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (000000007c3e48ec): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' bond0: Enslaving bond_slave_1 as an active interface with an up link ISOFS: Unable to identify CD-ROM format. kobject: 'bonding_slave' (0000000069e85aab): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'bonding_slave' (0000000069e85aab): kobject_cleanup, parent 000000007626e556 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000069e85aab): does not have a release() function, it is broken and must be fixed. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000069e85aab): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' ISOFS: Unable to identify CD-ROM format. netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. bond0: Error: Device is in use and cannot be enslaved netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c0319313): kobject_uevent_env netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'bonding_slave' (00000000ee5cac91): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env bond0: Enslaving bond_slave_1 as an active interface with an up link bond0: Error: Device is in use and cannot be enslaved kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (00000000ee5cac91): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (00000000ee5cac91): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (00000000ee5cac91): auto cleanup kobject_del ISOFS: Unable to identify CD-ROM format. kobject: 'bonding_slave': free name kobject: 'loop3' (00000000e445c91e): kobject_uevent_env bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' ISOFS: Unable to identify CD-ROM format. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (0000000040d37d76): kobject_add_internal: parent: 'bond_slave_1', set: '' kobject: 'loop4' (00000000c0319313): kobject_uevent_env bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' bond0: Error: Device is in use and cannot be enslaved ISOFS: Unable to identify CD-ROM format. kobject: 'bonding_slave' (0000000040d37d76): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (0000000040d37d76): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (0000000040d37d76): auto cleanup kobject_del kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'bonding_slave': free name kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'bonding_slave' (000000007c3e48ec): kobject_cleanup, parent 00000000863416a7 kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env ISOFS: Unable to identify CD-ROM format. kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'bonding_slave' (000000007c3e48ec): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (000000007c3e48ec): auto cleanup kobject_del kobject: 'bonding_slave': free name kobject: 'loop3' (00000000e445c91e): kobject_uevent_env bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (00000000fd28e9c5): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'bonding_slave' (00000000fd28e9c5): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (00000000fd28e9c5): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (00000000fd28e9c5): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c0319313): kobject_uevent_env kobject: 'loop4' (00000000c0319313): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (000000008a8c824a): kobject_add_internal: parent: 'bond_slave_1', set: '' ISOFS: Unable to identify CD-ROM format. bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'bonding_slave' (00000000eeca894c): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link nla_parse: 2 callbacks suppressed netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'bonding_slave' (000000008a8c824a): kobject_cleanup, parent 00000000863416a7 kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'bonding_slave' (000000008a8c824a): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (000000008a8c824a): auto cleanup kobject_del kobject: 'bonding_slave': free name bond0: Releasing backup interface bond_slave_1 kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' ISOFS: Unable to identify CD-ROM format. kobject: 'bonding_slave' (00000000eeca894c): kobject_cleanup, parent 000000007626e556 kobject: 'bonding_slave' (00000000eeca894c): does not have a release() function, it is broken and must be fixed. kobject: 'bonding_slave' (00000000eeca894c): auto cleanup kobject_del kobject: 'bonding_slave': free name kobject: 'loop3' (00000000e445c91e): kobject_uevent_env kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' bond0: Releasing backup interface bond_slave_1 netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop3' (00000000e445c91e): kobject_uevent_env netlink: 'syz-executor.1': attribute type 1 has an invalid length. kobject: 'loop3' (00000000e445c91e): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 7 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop5' (00000000d2feaf74): kobject_uevent_env kobject: 'loop5' (00000000d2feaf74): fill_kobj_path: path = '/devices/virtual/block/loop5'