audit: type=1400 audit(4294967802.450:130): avc:  denied  { map } for  pid=17672 comm="syz-executor.5" path="/dev/usbmon0" dev="devtmpfs" ino=634 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
4.19.83 #0 Not tainted
------------------------------------------------------
syz-executor.5/17675 is trying to acquire lock:
0000000011fcaadd (&rp->fetch_lock){+.+.}, at: mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237

but task is already holding lock:
000000008a8a088f (&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
       _copy_to_user+0x30/0x120 lib/usercopy.c:25
       copy_to_user include/linux/uaccess.h:155 [inline]
       mon_bin_read+0x329/0x640 drivers/usb/mon/mon_bin.c:825
       do_loop_readv_writev fs/read_write.c:701 [inline]
       do_loop_readv_writev fs/read_write.c:688 [inline]
       do_iter_read+0x490/0x640 fs/read_write.c:925
       vfs_readv+0xf0/0x160 fs/read_write.c:987
       do_readv+0x15e/0x370 fs/read_write.c:1020
       __do_sys_readv fs/read_write.c:1107 [inline]
       __se_sys_readv fs/read_write.c:1104 [inline]
       __x64_sys_readv+0x75/0xb0 fs/read_write.c:1104
       do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #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
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
       __do_fault+0x111/0x480 mm/memory.c:3269
       do_cow_fault mm/memory.c:3710 [inline]
       do_fault mm/memory.c:3812 [inline]
       handle_pte_fault mm/memory.c:4041 [inline]
       __handle_mm_fault+0xf6d/0x3f80 mm/memory.c:4165
       handle_mm_fault+0x1b5/0x690 mm/memory.c:4202
       faultin_page mm/gup.c:530 [inline]
       __get_user_pages+0x609/0x17a0 mm/gup.c:730
       populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234
       __mm_populate+0x204/0x380 mm/gup.c:1282
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
       mm_populate include/linux/mm.h:2328 [inline]
       vm_mmap_pgoff+0x213/0x230 mm/util.c:362
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
       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.5/17675:
 #0: 000000008a8a088f (&mm->mmap_sem){++++}, at: __mm_populate+0x270/0x380 mm/gup.c:1262

stack backtrace:
CPU: 1 PID: 17675 Comm: syz-executor.5 Not tainted 4.19.83 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221
 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+0x609/0x17a0 mm/gup.c:730
 populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234
 __mm_populate+0x204/0x380 mm/gup.c:1282
 mm_populate include/linux/mm.h:2328 [inline]
 vm_mmap_pgoff+0x213/0x230 mm/util.c:362
 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1586
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline]
 __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a219
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:00007f4bcd90dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a219
RDX: 0000000000800003 RSI: 0000000000400000 RDI: 0000000020a05000
RBP: 000000000075bf20 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000008012 R11: 0000000000000246 R12: 00007f4bcd90e6d4
R13: 00000000004c6c31 R14: 00000000004dc3b8 R15: 00000000ffffffff
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop4' (0000000053422105): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
audit: type=1326 audit(4294967808.880:131): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=17881 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=c000003e syscall=228 compat=0 ip=0x45d05a code=0x0
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
audit: type=1326 audit(4294967809.750:132): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=17908 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=c000003e syscall=228 compat=0 ip=0x45d05a code=0x0
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
audit: type=1326 audit(4294967810.660:133): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=17929 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=c000003e syscall=228 compat=0 ip=0x45d05a code=0x0
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (0000000053422105): kobject_uevent_env
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
kobject: 'loop4' (0000000053422105): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
EXT4-fs (loop3): failed to open journal device unknown-block(0,0): -6
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000a8fc8d8c): kobject_uevent_env
kobject: 'loop2' (00000000a8fc8d8c): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (000000004ee4d5b6): kobject_uevent_env
kobject: 'loop1' (000000004ee4d5b6): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop3' (000000006cd3e428): kobject_uevent_env
kobject: 'loop3' (000000006cd3e428): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000018a0333d): kobject_uevent_env
kobject: 'loop0' (0000000018a0333d): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000770a20f8): kobject_uevent_env
kobject: 'loop5' (00000000770a20f8): fill_kobj_path: path = '/devices/virtual/block/loop5'