WARNING: possible circular locking dependency detected kobject: 'kvm' (ffff8880a6e6cad0): kobject_uevent_env 4.14.152 #0 Not tainted kobject: 'kvm' (ffff8880a6e6cad0): fill_kobj_path: path = '/devices/virtual/misc/kvm' ------------------------------------------------------ syz-executor.4/30138 is trying to acquire lock: (&mm->mmap_sem){++++}, at: [] __might_fault+0xe0/0x1d0 mm/memory.c:4583 but task is already holding lock: kobject: 'kvm' (ffff8880a6e6cad0): kobject_uevent_env (&rp->fetch_lock){+.+.}, at: [] mon_bin_get_event+0x3c/0x430 drivers/usb/mon/mon_bin.c:747 which lock already depends on the new lock. kobject: 'kvm' (ffff8880a6e6cad0): fill_kobj_path: path = '/devices/virtual/misc/kvm' the existing dependency chain (in reverse order) is: -> #1 (&rp->fetch_lock){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 kobject: 'kvm' (ffff8880a6e6cad0): kobject_uevent_env mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236 __do_fault+0x104/0x390 mm/memory.c:3223 do_cow_fault mm/memory.c:3662 [inline] do_fault mm/memory.c:3761 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0xde1/0x3470 mm/memory.c:4113 handle_mm_fault+0x293/0x7c0 mm/memory.c:4150 kobject: 'kvm' (ffff8880a6e6cad0): fill_kobj_path: path = '/devices/virtual/misc/kvm' faultin_page mm/gup.c:514 [inline] __get_user_pages+0x465/0x1220 mm/gup.c:714 populate_vma_page_range+0x18e/0x230 mm/gup.c:1231 __mm_populate+0x198/0x2c0 mm/gup.c:1279 mm_populate include/linux/mm.h:2187 [inline] vm_mmap_pgoff+0x1be/0x1d0 mm/util.c:338 SYSC_mmap_pgoff mm/mmap.c:1551 [inline] SyS_mmap_pgoff+0x3ca/0x520 mm/mmap.c:1509 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (&mm->mmap_sem){++++}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __might_fault mm/memory.c:4584 [inline] __might_fault+0x143/0x1d0 mm/memory.c:4569 _copy_to_user+0x2c/0xd0 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_get_event+0x10a/0x430 drivers/usb/mon/mon_bin.c:756 mon_bin_ioctl+0x9b4/0xb50 drivers/usb/mon/mon_bin.c:1067 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 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.4/30138: #0: (&rp->fetch_lock){+.+.}, at: [] mon_bin_get_event+0x3c/0x430 drivers/usb/mon/mon_bin.c:747 stack backtrace: CPU: 1 PID: 30138 Comm: syz-executor.4 Not tainted 4.14.152 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __might_fault mm/memory.c:4584 [inline] __might_fault+0x143/0x1d0 mm/memory.c:4569 _copy_to_user+0x2c/0xd0 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_get_event+0x10a/0x430 drivers/usb/mon/mon_bin.c:756 mon_bin_ioctl+0x9b4/0xb50 drivers/usb/mon/mon_bin.c:1067 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fdcb9753c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 00000000200000c0 RSI: 0000000040189206 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdcb97546d4 R13: 00000000004c3d98 R14: 00000000004d8128 R15: 00000000ffffffff kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env audit: type=1804 audit(1573475221.852:1468): pid=30144 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-testdir893825357/syzkaller.iOdpMz/307/bus" dev="sda1" ino=17214 res=1 kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1573475221.922:1469): pid=30148 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.2" name="/root/syzkaller-testdir983335974/syzkaller.yAK7fv/424/bus" dev="sda1" ino=17205 res=1 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (ffff8880a4aa49e0): kobject_uevent_env devpts: called with bogus options audit: type=1804 audit(1573475221.952:1470): pid=30153 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.2" name="/root/syzkaller-testdir983335974/syzkaller.yAK7fv/424/bus" dev="sda1" ino=17205 res=1 CPU: 1 PID: 30152 Comm: syz-executor.5 Not tainted 4.14.152 #0 kobject: 'loop3' (ffff8880a4aa49e0): fill_kobj_path: path = '/devices/virtual/block/loop3' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2891 [inline] prepare_alloc_pages mm/page_alloc.c:4124 [inline] __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env alloc_pages_vma+0xc9/0x4c0 mm/mempolicy.c:2077 alloc_zeroed_user_highpage_movable include/linux/highmem.h:184 [inline] wp_page_copy+0xb13/0x1410 mm/memory.c:2497 do_wp_page+0x24b/0x12b0 mm/memory.c:2784 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' handle_pte_fault mm/memory.c:4005 [inline] __handle_mm_fault+0x1d4a/0x3470 mm/memory.c:4113 kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env handle_mm_fault+0x293/0x7c0 mm/memory.c:4150 __do_page_fault+0x4c1/0xb80 arch/x86/mm/fault.c:1420 do_page_fault+0x71/0x511 arch/x86/mm/fault.c:1495 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1122 RIP: 0010:copy_user_generic_unrolled+0xa0/0xc0 arch/x86/lib/copy_user_64.S:76 kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' RSP: 0018:ffff888020ce7d18 EFLAGS: 00010202 RAX: 0000000000000020 RBX: 0000000000000004 RCX: 0000000000000004 RDX: 0000000000000004 RSI: ffff888020ce7da0 RDI: 0000000020651000 RBP: ffff888020ce7d48 R08: 1ffff1100419cfb4 R09: ffffed100419cfb5 R10: ffffed100419cfb4 R11: 0000000000000003 R12: 0000000020651000 R13: ffff888020ce7da0 R14: 00007ffffffff000 R15: 0000000020651004 copy_to_user include/linux/uaccess.h:155 [inline] packet_getsockopt+0x5c4/0x880 net/packet/af_packet.c:4025 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x126/0x1e0 net/socket.c:1878 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007f3cd73abc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007f3cd73abc90 RCX: 000000000045a219 kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env RDX: 000000000000000b RSI: 0000000000000107 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000020000100 R09: 0000000000000000 R10: 0000000020651000 R11: 0000000000000246 R12: 00007f3cd73ac6d4 R13: 00000000004c17cf R14: 00000000004d5308 R15: 0000000000000004 kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env audit: type=1804 audit(1573475222.432:1471): pid=30187 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.5" name="/root/syzkaller-testdir641513662/syzkaller.Zxr4yY/729/bus" dev="sda1" ino=17473 res=1 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' devpts: called with bogus options kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4aa49e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aa49e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1573475222.912:1472): pid=30187 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.5" name="/root/syzkaller-testdir641513662/syzkaller.Zxr4yY/729/bus" dev="sda1" ino=17473 res=1 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' ubi0: detaching mtd0 kobject: 'ubi0' (ffff8880a0518538): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'ubi0' (ffff8880a0518538): fill_kobj_path: path = '/devices/virtual/ubi/ubi0' kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ubi' (ffff88808cf5d600): kobject_cleanup, parent (null) kobject: 'ubi' (ffff88808cf5d600): calling ktype release kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'ubi': free name kobject: '(null)' (ffff8880a05184c0): kobject_cleanup, parent ffff8880a0518538 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '(null)' (ffff8880a05184c0): calling ktype release ubi0: mtd0 is detached kobject: 'ubi0' (ffff8880a0518538): kobject_cleanup, parent (null) kobject: 'ubi0' (ffff8880a0518538): calling ktype release kobject: 'ubi0': free name kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' net_ratelimit: 6 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env CPU: 1 PID: 30365 Comm: syz-executor.4 Not tainted 4.14.152 #0 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x2d7/0x780 mm/slab.c:3550 kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' prepare_creds+0x3e/0x380 kernel/cred.c:255 do_coredump+0x2a6/0x2a45 fs/coredump.c:574 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' get_signal+0xc89/0x1cd0 kernel/signal.c:2403 do_signal+0x86/0x19a0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fdcb9753c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffffc RBX: 00007fdcb9753c90 RCX: 000000000045a219 RDX: 00000000200000c0 RSI: 0000000040189206 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdcb97546d4 R13: 00000000004c3d98 R14: 00000000004d8128 R15: 0000000000000004 kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kauditd_printk_skb: 2 callbacks suppressed audit: type=1804 audit(1573475225.662:1475): pid=30399 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-testdir893825357/syzkaller.iOdpMz/317/bus" dev="sda1" ino=17265 res=1 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1804 audit(1573475226.212:1476): pid=30399 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-testdir893825357/syzkaller.iOdpMz/317/bus" dev="sda1" ino=17265 res=1 kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1573475226.422:1477): pid=30450 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.2" name="/root/syzkaller-testdir983335974/syzkaller.yAK7fv/436/bus" dev="sda1" ino=17425 res=1 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1804 audit(1573475226.472:1478): pid=30452 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-testdir893825357/syzkaller.iOdpMz/318/bus" dev="sda1" ino=17201 res=1 kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1804 audit(1573475226.612:1479): pid=30465 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.5" name="/root/syzkaller-testdir641513662/syzkaller.Zxr4yY/735/bus" dev="sda1" ino=17361 res=1 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env audit: type=1400 audit(1573475226.722:1480): avc: denied { set_context_mgr } for pid=30473 comm="syz-executor.3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env binder: 30473:30474 unknown command 0 binder: 30473:30474 ioctl c0306201 20000080 returned -22 kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' binder: 30473:30474 unknown command 0 binder: 30473:30474 ioctl c0306201 20000480 returned -22 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env audit: type=1804 audit(1573475226.842:1481): pid=30479 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.2" name="/root/syzkaller-testdir983335974/syzkaller.yAK7fv/437/bus" dev="sda1" ino=17204 res=1 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1804 audit(1573475227.002:1482): pid=30465 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.5" name="/root/syzkaller-testdir641513662/syzkaller.Zxr4yY/735/bus" dev="sda1" ino=17361 res=1 kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1804 audit(1573475227.262:1483): pid=30504 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.2" name="/root/syzkaller-testdir983335974/syzkaller.yAK7fv/438/bus" dev="sda1" ino=17171 res=1 kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4aa49e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aa49e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' binder: 30525:30529 unknown command 0 binder: 30525:30529 ioctl c0306201 20000080 returned -22 binder: 30525:30529 unknown command 0 kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env binder: 30525:30529 ioctl c0306201 20000480 returned -22 audit: type=1804 audit(1573475227.712:1484): pid=30542 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.5" name="/root/syzkaller-testdir641513662/syzkaller.Zxr4yY/738/bus" dev="sda1" ino=17267 res=1 kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4aa49e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aa49e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' binder: 30592:30597 unknown command 0 binder: 30592:30597 ioctl c0306201 20000080 returned -22 kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env binder: 30592:30597 unknown command 0 kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env binder: 30592:30597 ioctl c0306201 20000480 returned -22 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4aa49e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aa49e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env binder: 30631:30638 unknown command 0 binder: 30631:30638 ioctl c0306201 20000080 returned -22 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' binder: 30631:30638 unknown command 0 binder: 30631:30638 ioctl c0306201 20000480 returned -22 kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aa49e0): kobject_uevent_env net_ratelimit: 8 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (ffff8880a4aa49e0): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: 30691:30693 unknown command 0 binder: 30691:30693 ioctl c0306201 20000080 returned -22 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' binder: 30691:30693 unknown command 0 kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env binder: 30691:30693 ioctl c0306201 20000480 returned -22 kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ad72e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ad72e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4aa49e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4aa49e0): fill_kobj_path: path = '/devices/virtual/block/loop3' binder: 30737:30740 unknown command 0 kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env binder: 30737:30740 ioctl c0306201 20000080 returned -22 kauditd_printk_skb: 11 callbacks suppressed audit: type=1804 audit(1573475231.002:1496): pid=30742 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.2" name="/root/syzkaller-testdir983335974/syzkaller.yAK7fv/443/bus" dev="sda1" ino=17777 res=1 binder: 30737:30740 unknown command 0 kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' binder: 30737:30740 ioctl c0306201 20000480 returned -22 kobject: 'loop5' (ffff8880a4b36220): kobject_uevent_env kobject: 'loop5' (ffff8880a4b36220): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49dcf60): kobject_uevent_env kobject: 'loop1' (ffff8880a49dcf60): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880349d8f60): kobject_uevent_env kobject: 'loop0' (ffff8880349d8f60): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a49ee960): kobject_uevent_env kobject: 'loop2' (ffff8880a49ee960): fill_kobj_path: path = '/devices/virtual/block/loop2'