audit: type=1400 audit(822.970:292): avc: denied { map } for pid=1560 comm="syz-executor.1" path="/dev/usbmon0" dev="devtmpfs" ino=15320 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=1 ====================================================== WARNING: possible circular locking dependency detected 4.14.150 #0 Not tainted ------------------------------------------------------ syz-executor.1/1575 is trying to acquire lock: (&rp->fetch_lock){+.+.}, at: [] mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236 but task is already holding lock: (&mm->mmap_sem){++++}, at: [] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&mm->mmap_sem){++++}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __might_fault mm/memory.c:4584 [inline] __might_fault+0x143/0x1d0 mm/memory.c:4569 mon_bin_fetch+0x212/0x2e0 drivers/usb/mon/mon_bin.c:928 mon_bin_ioctl+0x1c5/0xb50 drivers/usb/mon/mon_bin.c:1090 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 -> #0 (&rp->fetch_lock){+.+.}: 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 __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 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 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 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_sem); lock(&rp->fetch_lock); lock(&mm->mmap_sem); lock(&rp->fetch_lock); *** DEADLOCK *** 1 lock held by syz-executor.1/1575: #0: (&mm->mmap_sem){++++}, at: [] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259 stack backtrace: CPU: 0 PID: 1575 Comm: syz-executor.1 Not tainted 4.14.150 #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 __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 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 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 RIP: 0033:0x459f39 RSP: 002b:00007f24c3ec4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459f39 RDX: 0000000001000002 RSI: 0000000000400300 RDI: 0000000020a05000 RBP: 000000000075c070 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000008012 R11: 0000000000000246 R12: 00007f24c3ec56d4 R13: 00000000004c682e R14: 00000000004dbb40 R15: 00000000ffffffff kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1400 audit(823.090:293): avc: denied { map } for pid=1577 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(823.150:294): avc: denied { map } for pid=1583 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(823.200:295): avc: denied { map } for pid=1590 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(823.200:296): avc: denied { map } for pid=1590 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(823.240:297): avc: denied { map } for pid=1588 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(823.240:298): avc: denied { map } for pid=1588 comm="blkid" path="/etc/ld.so.cache" dev="sda1" ino=2251 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(823.240:299): avc: denied { map } for pid=1588 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(823.240:300): avc: denied { map } for pid=1588 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(823.240:301): avc: denied { map } for pid=1588 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 152 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 152 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env netlink: 152 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 152 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (ffff88809fbf5c10): kobject_cleanup, parent ffff888088a07b48 kobject: 'rx-0' (ffff88809fbf5c10): auto cleanup 'remove' event kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'rx-0' (ffff88809fbf5c10): kobject_uevent_env kobject: 'rx-0' (ffff88809fbf5c10): fill_kobj_path: path = '/devices/virtual/net/nlmon0/queues/rx-0' kobject: 'rx-0' (ffff88809fbf5c10): auto cleanup kobject_del kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff88809fbf5c10): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888095ecfad8): kobject_cleanup, parent ffff888088a07b48 kobject: 'tx-0' (ffff888095ecfad8): auto cleanup 'remove' event kobject: 'tx-0' (ffff888095ecfad8): kobject_uevent_env kobject: 'tx-0' (ffff888095ecfad8): fill_kobj_path: path = '/devices/virtual/net/nlmon0/queues/tx-0' kobject: 'tx-0' (ffff888095ecfad8): auto cleanup kobject_del kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'tx-0' (ffff888095ecfad8): calling ktype release kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0': free name kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'queues' (ffff888088a07b48): kobject_cleanup, parent (null) kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (ffff888088a07b48): calling ktype release kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'queues' (ffff888088a07b48): kset_release kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues': free name kobject: 'nlmon0' (ffff88803ddc69b0): kobject_uevent_env kobject: 'nlmon0' (ffff88803ddc69b0): fill_kobj_path: path = '/devices/virtual/net/nlmon0' kobject: 'nlmon0' (ffff88803ddc69b0): kobject_cleanup, parent (null) kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'nlmon0' (ffff88803ddc69b0): calling ktype release kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nlmon0': free name netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kauditd_printk_skb: 121 callbacks suppressed audit: type=1804 audit(828.070:423): pid=1784 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.3" name="/root/syzkaller-testdir662165944/syzkaller.ROXSTA/103/file0" dev="sda1" ino=16634 res=1 kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' audit: type=1400 audit(828.170:424): avc: denied { map } for pid=1791 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1400 audit(828.170:425): avc: denied { map } for pid=1791 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1400 audit(828.180:426): avc: denied { map } for pid=1795 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env audit: type=1400 audit(828.190:427): avc: denied { map } for pid=1795 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env audit: type=1400 audit(828.200:428): avc: denied { map } for pid=1795 comm="modprobe" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1400 audit(828.200:429): avc: denied { map } for pid=1795 comm="modprobe" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' audit: type=1400 audit(828.210:430): avc: denied { map } for pid=1795 comm="modprobe" path="/etc/ld.so.cache" dev="sda1" ino=2251 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env audit: type=1804 audit(828.210:431): pid=1784 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.3" name="/root/syzkaller-testdir662165944/syzkaller.ROXSTA/103/file0" dev="sda1" ino=16634 res=1 kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1400 audit(828.230:432): avc: denied { map } for pid=1795 comm="modprobe" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (ffff8880a49c8960): kobject_uevent_env kobject: 'loop2' (ffff8880a49c8960): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'veth2' (ffff88806caf92b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'veth2' (ffff88806caf92b0): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'veth2' (ffff88806caf92b0): fill_kobj_path: path = '/devices/virtual/net/veth2' kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'queues' (ffff888093ec2b48): kobject_add_internal: parent: 'veth2', set: '' kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (ffff888093ec2b48): kobject_uevent_env kobject: 'queues' (ffff888093ec2b48): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'rx-0' (ffff88808d3a7310): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88808d3a7310): kobject_uevent_env kobject: 'rx-0' (ffff88808d3a7310): fill_kobj_path: path = '/devices/virtual/net/veth2/queues/rx-0' kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'tx-0' (ffff888090a70058): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (ffff888090a70058): kobject_uevent_env kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'tx-0' (ffff888090a70058): fill_kobj_path: path = '/devices/virtual/net/veth2/queues/tx-0' kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'batman_adv' (ffff888068d62700): kobject_add_internal: parent: 'veth2', set: '' kobject: 'veth3' (ffff8880811c6e70): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'veth3' (ffff8880811c6e70): kobject_uevent_env kobject: 'loop4' (ffff8880a4a672e0): kobject_uevent_env kobject: 'veth3' (ffff8880811c6e70): fill_kobj_path: path = '/devices/virtual/net/veth3' kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'queues' (ffff8880a02cb748): kobject_add_internal: parent: 'veth3', set: '' kobject: 'loop4' (ffff8880a4a672e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (ffff8880a02cb748): kobject_uevent_env kobject: 'queues' (ffff8880a02cb748): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (ffff8880a4a33260): kobject_uevent_env kobject: 'rx-0' (ffff88808d3a7250): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (ffff8880a4a33260): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff88808d3a7250): kobject_uevent_env kobject: 'loop5' (ffff8880a4ae3360): kobject_uevent_env kobject: 'rx-0' (ffff88808d3a7250): fill_kobj_path: path = '/devices/virtual/net/veth3/queues/rx-0' kobject: 'loop5' (ffff8880a4ae3360): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff888038127098): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'tx-0' (ffff888038127098): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (ffff888038127098): fill_kobj_path: path = '/devices/virtual/net/veth3/queues/tx-0' kobject: 'loop0' (ffff8880914d53e0): kobject_uevent_env kobject: 'batman_adv' (ffff88808e904280): kobject_add_internal: parent: 'veth3', set: '' kobject: 'loop0' (ffff8880914d53e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a498c6e0): kobject_uevent_env kobject: 'kvm' (ffff8880a6e6ab50): kobject_uevent_env kobject: 'loop1' (ffff8880a498c6e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff8880a6e6ab50): fill_kobj_path: path = '/devices/virtual/misc/kvm'