audit: type=1400 audit(2000000307.810:19625): avc: denied { map } for pid=5784 comm="syz-executor.1" path="/dev/usbmon0" dev="devtmpfs" ino=17766 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 ====================================================== audit: type=1800 audit(2000000307.830:19626): pid=5783 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.0" name="bus" dev="loop0" ino=829 res=0 WARNING: possible circular locking dependency detected 4.19.88-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/5787 is trying to acquire lock: 000000006572f643 (&rp->fetch_lock){+.+.}, at: mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 but task is already holding lock: 00000000f50ff6c7 (&mm->mmap_sem){++++}, at: __mm_populate+0x270/0x380 mm/gup.c:1262 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&mm->mmap_sem){++++}: __might_fault mm/memory.c:4638 [inline] __might_fault+0x15e/0x1e0 mm/memory.c:4623 mon_bin_fetch+0x26f/0x340 drivers/usb/mon/mon_bin.c:928 mon_bin_ioctl+0x21e/0xc80 drivers/usb/mon/mon_bin.c:1091 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688 ksys_ioctl+0xab/0xd0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&rp->fetch_lock){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 __do_fault+0x111/0x480 mm/memory.c:3269 do_cow_fault mm/memory.c:3710 [inline] do_fault mm/memory.c:3812 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0xf6d/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 faultin_page mm/gup.c:530 [inline] __get_user_pages+0x609/0x1860 mm/gup.c:730 populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234 __mm_populate+0x204/0x380 mm/gup.c:1282 mm_populate include/linux/mm.h:2323 [inline] vm_mmap_pgoff+0x213/0x230 mm/util.c:362 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1586 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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.1/5787: #0: 00000000f50ff6c7 (&mm->mmap_sem){++++}, at: __mm_populate+0x270/0x380 mm/gup.c:1262 stack backtrace: CPU: 0 PID: 5787 Comm: syz-executor.1 Not tainted 4.19.88-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e19/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 __do_fault+0x111/0x480 mm/memory.c:3269 do_cow_fault mm/memory.c:3710 [inline] do_fault mm/memory.c:3812 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0xf6d/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 faultin_page mm/gup.c:530 [inline] __get_user_pages+0x609/0x1860 mm/gup.c:730 populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234 __mm_populate+0x204/0x380 mm/gup.c:1282 mm_populate include/linux/mm.h:2323 [inline] vm_mmap_pgoff+0x213/0x230 mm/util.c:362 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1586 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a6f9 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:00007f7b61aaac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a6f9 RDX: 0000000001000002 RSI: 0000000000400300 RDI: 0000000020a05000 RBP: 000000000075bf20 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000008012 R11: 0000000000000246 R12: 00007f7b61aab6d4 R13: 00000000004c78e1 R14: 00000000004de648 R15: 00000000ffffffff kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env CR3 = 0x0000000000000000 kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' RSP = 0x0000000000000f80 RIP = 0x0000000000000000 net_ratelimit: 34 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 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 CS: sel=0x0000, attr=0x0009b, limit=0x0000ffff, base=0x0000000000000000 kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00081, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env IDTR: limit=0x0000ffff, base=0x0000000000000000 kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811cf693 RSP = 0xffff8880845e78c0 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' FSBase=00007f265960e700 GSBase=ffff8880ae800000 TRBase=fffffe0000003000 kobject: 'loop0' (0000000073b02b59): kobject_uevent_env GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' CR0=0000000080050033 CR3=00000000a7e38000 CR4=00000000001426f0 Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff87601400 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' *** Control State *** PinBased=0000003f CPUBased=b5986dfa SecondaryExec=000000ea EntryControls=0000d1ff ExitControls=002fefff kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffc2b501f6c9f EPT pointer = 0x000000007e22601e Virtual processor ID = 0x0001 kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env vhci_hcd: default hub control req: 010b v0000 i0000 l0 kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' vhci_hcd: default hub control req: 010b v0000 i0000 l0 kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' vhci_hcd: default hub control req: 010b v0000 i0000 l0 kobject: 'loop4' (00000000763ea10f): kobject_uevent_env usb usb2: usbfs: process 6008 (syz-executor.1) did not claim interface 0 before use kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' usb usb2: usbfs: process 6039 (syz-executor.1) did not claim interface 0 before use vhci_hcd: default hub control req: 010b v0000 i0000 l0 kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' vhci_hcd: default hub control req: 010b v0000 i0000 l0 kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' rdma_op 00000000048a405f conn xmit_rdma (null) kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: '2-0:1.0' (0000000067445368): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' rdma_op 0000000040e41838 conn xmit_rdma (null) kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '2-0:1.0' (0000000067445368): fill_kobj_path: path = '/devices/platform/vhci_hcd.0/usb2/2-0:1.0' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' rdma_op 0000000001b6ccd8 conn xmit_rdma (null) kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' rdma_op 00000000ad1d626d conn xmit_rdma (null) kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' rdma_op 0000000083ef8a45 conn xmit_rdma (null) rdma_op 000000004b0ca1ac conn xmit_rdma (null) kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' rdma_op 000000000be13f7d conn xmit_rdma (null) kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' rdma_op 000000005255ea53 conn xmit_rdma (null) kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env rdma_op 0000000086a96cc1 conn xmit_rdma (null) kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' rdma_op 0000000043b4fcff conn xmit_rdma (null) kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' ecryptfs_parse_options: eCryptfs: unrecognized option [bdeveth0:lo] kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' Error parsing options; rc = [-22] kobject: 'loop0' (0000000073b02b59): kobject_uevent_env ecryptfs_parse_options: eCryptfs: unrecognized option [bdeveth0:lo] net_ratelimit: 37 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 audit: type=1400 audit(2000000314.990:19627): avc: denied { map } for pid=6182 comm="syz-executor.1" path="/dev/nullb0" dev="devtmpfs" ino=17582 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=blk_file permissive=1 kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' Error parsing options; rc = [-22] protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nullb0' (00000000426162fc): kobject_uevent_env kobject: 'nullb0' (00000000426162fc): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): 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: 'nullb0' (00000000426162fc): kobject_uevent_env kobject: 'nullb0' (00000000426162fc): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c7469ec0): kobject_uevent_env kobject: 'loop3' (00000000c7469ec0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nullb0' (00000000426162fc): kobject_uevent_env kobject: 'nullb0' (00000000426162fc): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (0000000027fdddcb): kobject_uevent_env kobject: 'loop5' (0000000027fdddcb): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'input103' (00000000f4a01bf7): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'input103' (00000000f4a01bf7): kobject_uevent_env kobject: 'input103' (00000000f4a01bf7): fill_kobj_path: path = '/devices/virtual/input/input103' kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'input103' (00000000f4a01bf7): fill_kobj_path: path = '/devices/virtual/input/input103' input: syz1 as /devices/virtual/input/input103 kobject: 'event4' (00000000d9d85b1a): kobject_add_internal: parent: 'input103', set: 'devices' kobject: 'event4' (00000000d9d85b1a): kobject_uevent_env kobject: 'event4' (00000000d9d85b1a): fill_kobj_path: path = '/devices/virtual/input/input103/event4' kobject: 'loop4' (00000000763ea10f): kobject_uevent_env kobject: 'event4' (00000000d9d85b1a): kobject_uevent_env kobject: 'event4' (00000000d9d85b1a): fill_kobj_path: path = '/devices/virtual/input/input103/event4' kobject: 'loop4' (00000000763ea10f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: '(null)' (000000000c5eccb4): kobject_cleanup, parent 00000000d9d85b1a kobject: '(null)' (000000000c5eccb4): calling ktype release kobject: 'nullb0' (00000000426162fc): kobject_uevent_env kobject: 'nullb0' (00000000426162fc): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (0000000073b02b59): kobject_uevent_env kobject: 'loop0' (0000000073b02b59): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'event4' (00000000d9d85b1a): kobject_cleanup, parent (null) kobject: 'nullb0' (00000000426162fc): kobject_uevent_env kobject: 'event4' (00000000d9d85b1a): calling ktype release kobject: 'nullb0' (00000000426162fc): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'event4': free name kobject: 'input103' (00000000f4a01bf7): kobject_uevent_env kobject: 'kvm' (00000000c6fe695c): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): kobject_uevent_env kobject: 'loop1' (00000000f330a3cc): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000c6fe695c): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'input103' (00000000f4a01bf7): fill_kobj_path: path = '/devices/virtual/input/input103'