use of bytesused == 0 is deprecated and will be removed in the future, use the actual size instead. ====================================================== WARNING: possible circular locking dependency detected 4.19.85-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/29956 is trying to acquire lock: 000000002b528dd6 (&mm->mmap_sem){++++}, at: __might_fault+0xfb/0x1e0 mm/memory.c:4637 but task is already holding lock: 000000006043f4e9 (&rp->fetch_lock){+.+.}, at: mon_bin_get_event+0x3c/0x450 drivers/usb/mon/mon_bin.c:747 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rp->fetch_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 __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: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 -> #0 (&mm->mmap_sem){++++}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __might_fault mm/memory.c:4638 [inline] __might_fault+0x15e/0x1e0 mm/memory.c:4623 _copy_to_user+0x30/0x120 lib/usercopy.c:25 kobject: 'loop0' (00000000b8ef427f): kobject_uevent_env copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_get_event+0x117/0x450 drivers/usb/mon/mon_bin.c:756 mon_bin_ioctl+0xacf/0xc80 drivers/usb/mon/mon_bin.c:1068 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688 kobject: 'loop0' (00000000b8ef427f): fill_kobj_path: path = '/devices/virtual/block/loop0' 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 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rp->fetch_lock); lock(&mm->mmap_sem); lock(&rp->fetch_lock); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor.4/29956: #0: 000000006043f4e9 (&rp->fetch_lock){+.+.}, at: mon_bin_get_event+0x3c/0x450 drivers/usb/mon/mon_bin.c:747 stack backtrace: CPU: 1 PID: 29956 Comm: syz-executor.4 Not tainted 4.19.85-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 __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_get_event+0x117/0x450 drivers/usb/mon/mon_bin.c:756 mon_bin_ioctl+0xacf/0xc80 drivers/usb/mon/mon_bin.c:1068 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688 kobject: 'loop0' (00000000b8ef427f): kobject_uevent_env 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 kobject: 'loop0' (00000000b8ef427f): fill_kobj_path: path = '/devices/virtual/block/loop0' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a639 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:00007f429d7cac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639 RDX: 0000000020000240 RSI: 000000004018920a RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f429d7cb6d4 R13: 00000000004c41f2 R14: 00000000004d8800 R15: 00000000ffffffff kobject: 'loop3' (00000000125ece18): kobject_uevent_env kobject: 'loop3' (00000000125ece18): fill_kobj_path: path = '/devices/virtual/block/loop3' kauditd_printk_skb: 153 callbacks suppressed audit: type=1400 audit(1574573177.954:14454): avc: denied { map } for pid=29970 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(1574573177.994:14455): avc: denied { map } for pid=29971 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 kobject: 'nr0' (0000000018c294bf): kobject_add_internal: parent: 'net', set: 'devices' overlayfs: workdir and upperdir must reside under the same mount kobject: 'nr0' (0000000018c294bf): kobject_uevent_env audit: type=1400 audit(1574573177.994:14456): avc: denied { map } for pid=29971 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 kobject: 'nr0' (0000000018c294bf): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (0000000048ef04db): kobject_add_internal: parent: 'nr0', set: '' audit: type=1400 audit(1574573178.004:14457): avc: denied { map } for pid=29970 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 kobject: 'queues' (0000000048ef04db): kobject_uevent_env kobject: 'queues' (0000000048ef04db): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (000000006c297c38): kobject_uevent_env overlayfs: workdir and upperdir must reside under the same mount kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1400 audit(1574573178.004:14458): avc: denied { map } for pid=29970 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: 'rx-0' (000000008d3472f9): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000008d3472f9): kobject_uevent_env kobject: 'rx-0' (000000008d3472f9): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' audit: type=1400 audit(1574573178.004:14459): avc: denied { map } for pid=29970 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: 'tx-0' (0000000018951c01): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000018951c01): kobject_uevent_env audit: type=1400 audit(1574573178.014:14460): avc: denied { map } for pid=29971 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: 'loop4' (0000000029f6a538): kobject_uevent_env kobject: 'tx-0' (0000000018951c01): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'loop4' (0000000029f6a538): fill_kobj_path: path = '/devices/virtual/block/loop4' device nr0 entered promiscuous mode audit: type=1400 audit(1574573178.014:14461): avc: denied { map } for pid=29971 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: audit_backlog=65 > audit_backlog_limit=64 audit: audit_lost=87 audit_rate_limit=0 audit_backlog_limit=64 kobject: 'rx-0' (000000008d3472f9): kobject_cleanup, parent 0000000048ef04db kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'rx-0' (000000008d3472f9): auto cleanup 'remove' event kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000008d3472f9): kobject_uevent_env kobject: 'loop4' (0000000029f6a538): kobject_uevent_env kobject: 'rx-0' (000000008d3472f9): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'loop4' (0000000029f6a538): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000008d3472f9): auto cleanup kobject_del kobject: 'rx-0' (000000008d3472f9): calling ktype release kobject: 'loop0' (00000000b8ef427f): kobject_uevent_env kobject: 'rx-0': free name kobject: 'tx-0' (0000000018951c01): kobject_cleanup, parent 0000000048ef04db kobject: 'tx-0' (0000000018951c01): auto cleanup 'remove' event kobject: 'loop0' (00000000b8ef427f): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (0000000018951c01): kobject_uevent_env kobject: 'tx-0' (0000000018951c01): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (0000000018951c01): auto cleanup kobject_del kobject: 'tx-0' (0000000018951c01): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000048ef04db): kobject_cleanup, parent (null) kobject: 'queues' (0000000048ef04db): calling ktype release kobject: 'queues' (0000000048ef04db): kset_release kobject: 'queues': free name kobject: 'nr0' (0000000018c294bf): kobject_uevent_env kobject: 'nr0' (0000000018c294bf): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (0000000018c294bf): kobject_cleanup, parent (null) kobject: 'nr0' (0000000018c294bf): calling ktype release kobject: 'nr0': free name kobject: 'loop3' (00000000125ece18): kobject_uevent_env kobject: 'loop3' (00000000125ece18): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000b8ef427f): kobject_uevent_env kobject: 'loop0' (00000000b8ef427f): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nr0' (0000000096cbc88a): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'nr0' (0000000096cbc88a): kobject_uevent_env kobject: 'nr0' (0000000096cbc88a): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (0000000061dd0a4c): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (0000000061dd0a4c): kobject_uevent_env kobject: 'queues' (0000000061dd0a4c): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000f457cff8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000f457cff8): kobject_uevent_env kobject: 'rx-0' (00000000f457cff8): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (000000009800190f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000009800190f): kobject_uevent_env kobject: 'tx-0' (000000009800190f): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' device nr0 entered promiscuous mode kobject: 'loop0' (00000000b8ef427f): kobject_uevent_env kobject: 'loop0' (00000000b8ef427f): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000029f6a538): kobject_uevent_env kobject: 'loop4' (0000000029f6a538): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000f457cff8): kobject_cleanup, parent 0000000061dd0a4c kobject: 'rx-0' (00000000f457cff8): auto cleanup 'remove' event kobject: 'rx-0' (00000000f457cff8): kobject_uevent_env kobject: 'rx-0' (00000000f457cff8): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000f457cff8): auto cleanup kobject_del kobject: 'rx-0' (00000000f457cff8): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000009800190f): kobject_cleanup, parent 0000000061dd0a4c kobject: 'tx-0' (000000009800190f): auto cleanup 'remove' event kobject: 'tx-0' (000000009800190f): kobject_uevent_env kobject: 'tx-0' (000000009800190f): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (000000009800190f): auto cleanup kobject_del kobject: 'tx-0' (000000009800190f): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000061dd0a4c): kobject_cleanup, parent (null) kobject: 'queues' (0000000061dd0a4c): calling ktype release kobject: 'queues' (0000000061dd0a4c): kset_release kobject: 'queues': free name kobject: 'nr0' (0000000096cbc88a): kobject_uevent_env kobject: 'nr0' (0000000096cbc88a): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (0000000096cbc88a): kobject_cleanup, parent (null) kobject: 'nr0' (0000000096cbc88a): calling ktype release kobject: 'nr0': free name kobject: 'loop3' (00000000125ece18): kobject_uevent_env kobject: 'loop3' (00000000125ece18): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'nr0' (0000000030d6806c): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop0' (00000000b8ef427f): kobject_uevent_env kobject: 'loop0' (00000000b8ef427f): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nr0' (0000000030d6806c): kobject_uevent_env kobject: 'nr0' (0000000030d6806c): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'loop4' (0000000029f6a538): kobject_uevent_env kobject: 'queues' (00000000d15cb420): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop4' (0000000029f6a538): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (00000000d15cb420): kobject_uevent_env kobject: 'queues' (00000000d15cb420): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000004f32c38): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000004f32c38): kobject_uevent_env kobject: 'rx-0' (0000000004f32c38): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000c270f000): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000c270f000): kobject_uevent_env kobject: 'tx-0' (00000000c270f000): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' device nr0 entered promiscuous mode kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (0000000004f32c38): kobject_cleanup, parent 00000000d15cb420 kobject: 'rx-0' (0000000004f32c38): auto cleanup 'remove' event kobject: 'rx-0' (0000000004f32c38): kobject_uevent_env kobject: 'rx-0' (0000000004f32c38): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (0000000004f32c38): auto cleanup kobject_del kobject: 'rx-0' (0000000004f32c38): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000c270f000): kobject_cleanup, parent 00000000d15cb420 kobject: 'tx-0' (00000000c270f000): auto cleanup 'remove' event kobject: 'tx-0' (00000000c270f000): kobject_uevent_env kobject: 'tx-0' (00000000c270f000): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000c270f000): auto cleanup kobject_del kobject: 'tx-0' (00000000c270f000): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000d15cb420): kobject_cleanup, parent (null) kobject: 'queues' (00000000d15cb420): calling ktype release kobject: 'queues' (00000000d15cb420): kset_release kobject: 'queues': free name kobject: 'nr0' (0000000030d6806c): kobject_uevent_env kobject: 'nr0' (0000000030d6806c): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (0000000030d6806c): kobject_cleanup, parent (null) kobject: 'nr0' (0000000030d6806c): calling ktype release kobject: 'nr0': free name kobject: 'nr0' (00000000aaf02d95): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (00000000125ece18): kobject_uevent_env kobject: 'loop3' (00000000125ece18): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nr0' (00000000aaf02d95): kobject_uevent_env kobject: 'nr0' (00000000aaf02d95): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (00000000a98fc32c): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'queues' (00000000a98fc32c): kobject_uevent_env kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kauditd_printk_skb: 298 callbacks suppressed audit: type=1400 audit(1574573182.974:14753): avc: denied { map } for pid=30105 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: 'queues' (00000000a98fc32c): kobject_uevent_env: filter function caused the event to drop! audit: type=1400 audit(1574573182.984:14754): avc: denied { create } for pid=30091 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 audit: type=1400 audit(1574573183.014:14755): avc: denied { map } for pid=30107 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: 'rx-0' (00000000145fde2a): kobject_add_internal: parent: 'queues', set: 'queues' audit: type=1400 audit(1574573183.014:14756): avc: denied { map } for pid=30107 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: 'rx-0' (00000000145fde2a): kobject_uevent_env kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000145fde2a): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' audit: type=1400 audit(1574573183.064:14757): avc: denied { map } for pid=30105 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: 'tx-0' (00000000833d524d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000833d524d): kobject_uevent_env kobject: 'tx-0' (00000000833d524d): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' audit: type=1400 audit(1574573183.094:14758): avc: denied { write } for pid=30091 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'nr0' (0000000005223a0f): kobject_add_internal: parent: 'net', set: 'devices' audit: type=1400 audit(1574573183.094:14759): avc: denied { map } for pid=30105 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 kobject: 'nr0' (0000000005223a0f): kobject_uevent_env kobject: 'nr0' (0000000005223a0f): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (00000000e03b2c09): kobject_add_internal: parent: 'nr0', set: '' audit: type=1400 audit(1574573183.094:14760): avc: denied { map } for pid=30105 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 kobject: 'queues' (00000000e03b2c09): kobject_uevent_env kobject: 'queues' (00000000e03b2c09): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000036a1c40b): kobject_add_internal: parent: 'queues', set: 'queues' audit: type=1400 audit(1574573183.104:14761): avc: denied { read } for pid=30091 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'rx-0' (0000000036a1c40b): kobject_uevent_env audit: type=1400 audit(1574573183.124:14762): avc: denied { map } for pid=30120 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 kobject: 'rx-0' (0000000036a1c40b): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (0000000011c860ac): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000011c860ac): kobject_uevent_env kobject: 'tx-0' (0000000011c860ac): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'rx-0' (0000000036a1c40b): kobject_cleanup, parent 00000000e03b2c09 kobject: 'rx-0' (0000000036a1c40b): auto cleanup 'remove' event kobject: 'rx-0' (0000000036a1c40b): kobject_uevent_env kobject: 'rx-0' (0000000036a1c40b): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (0000000036a1c40b): auto cleanup kobject_del kobject: 'rx-0' (0000000036a1c40b): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000011c860ac): kobject_cleanup, parent 00000000e03b2c09 kobject: 'tx-0' (0000000011c860ac): auto cleanup 'remove' event kobject: 'tx-0' (0000000011c860ac): kobject_uevent_env kobject: 'tx-0' (0000000011c860ac): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (0000000011c860ac): auto cleanup kobject_del kobject: 'tx-0' (0000000011c860ac): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000e03b2c09): kobject_cleanup, parent (null) kobject: 'queues' (00000000e03b2c09): calling ktype release kobject: 'queues' (00000000e03b2c09): kset_release kobject: 'queues': free name kobject: 'nr0' (0000000005223a0f): kobject_uevent_env kobject: 'nr0' (0000000005223a0f): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (00000000f0831359): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (00000000f0831359): kobject_uevent_env kobject: 'nr0' (00000000f0831359): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (000000003029301a): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (000000003029301a): kobject_uevent_env kobject: 'queues' (000000003029301a): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000808e7ca8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000808e7ca8): kobject_uevent_env kobject: 'rx-0' (00000000808e7ca8): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (0000000018288d04): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000018288d04): kobject_uevent_env kobject: 'tx-0' (0000000018288d04): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'rx-0' (00000000808e7ca8): kobject_cleanup, parent 000000003029301a kobject: 'rx-0' (00000000808e7ca8): auto cleanup 'remove' event kobject: 'rx-0' (00000000808e7ca8): kobject_uevent_env kobject: 'rx-0' (00000000808e7ca8): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000808e7ca8): auto cleanup kobject_del kobject: 'rx-0' (00000000808e7ca8): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000018288d04): kobject_cleanup, parent 000000003029301a kobject: 'tx-0' (0000000018288d04): auto cleanup 'remove' event kobject: 'tx-0' (0000000018288d04): kobject_uevent_env kobject: 'tx-0' (0000000018288d04): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (0000000018288d04): auto cleanup kobject_del kobject: 'tx-0' (0000000018288d04): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000003029301a): kobject_cleanup, parent (null) kobject: 'queues' (000000003029301a): calling ktype release kobject: 'queues' (000000003029301a): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000f0831359): kobject_uevent_env kobject: 'nr0' (00000000f0831359): fill_kobj_path: path = '/devices/virtual/net/nr0' device nr0 entered promiscuous mode kobject: 'rx-0' (00000000145fde2a): kobject_cleanup, parent 00000000a98fc32c kobject: 'rx-0' (00000000145fde2a): auto cleanup 'remove' event kobject: 'rx-0' (00000000145fde2a): kobject_uevent_env kobject: 'rx-0' (00000000145fde2a): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000145fde2a): auto cleanup kobject_del kobject: 'rx-0' (00000000145fde2a): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000833d524d): kobject_cleanup, parent 00000000a98fc32c kobject: 'tx-0' (00000000833d524d): auto cleanup 'remove' event kobject: 'tx-0' (00000000833d524d): kobject_uevent_env kobject: 'tx-0' (00000000833d524d): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000833d524d): auto cleanup kobject_del kobject: 'tx-0' (00000000833d524d): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000a98fc32c): kobject_cleanup, parent (null) kobject: 'queues' (00000000a98fc32c): calling ktype release kobject: 'queues' (00000000a98fc32c): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000aaf02d95): kobject_uevent_env kobject: 'nr0' (00000000aaf02d95): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (0000000005223a0f): kobject_cleanup, parent (null) kobject: 'nr0' (00000000f0831359): kobject_cleanup, parent (null) kobject: 'nr0' (0000000005223a0f): calling ktype release kobject: 'nr0' (00000000f0831359): calling ktype release kobject: 'nr0': free name kobject: 'nr0': free name kobject: 'nr0' (00000000aaf02d95): kobject_cleanup, parent (null) kobject: 'nr0' (00000000aaf02d95): calling ktype release kobject: 'nr0': free name kobject: 'loop4' (0000000029f6a538): kobject_uevent_env kobject: 'loop4' (0000000029f6a538): fill_kobj_path: path = '/devices/virtual/block/loop4' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (00000000125ece18): kobject_uevent_env kobject: 'loop3' (00000000125ece18): fill_kobj_path: path = '/devices/virtual/block/loop3' CPU: 0 PID: 30139 Comm: syz-executor.1 Not tainted 4.19.85-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop0' (00000000b8ef427f): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop0' (00000000b8ef427f): fill_kobj_path: path = '/devices/virtual/block/loop0' __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2ae/0x700 mm/slab.c:3557 getname_flags fs/namei.c:140 [inline] getname_flags+0xd6/0x5b0 fs/namei.c:129 getname+0x1a/0x20 fs/namei.c:211 do_sys_open+0x2c9/0x550 fs/open.c:1082 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4143d1 Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 kobject: 'nr0' (00000000ef257bc4): kobject_add_internal: parent: 'net', set: 'devices' RSP: 002b:00007fe4d7cab7a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004143d1 kobject: 'nr0' (00000000ef257bc4): kobject_uevent_env RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fe4d7cab850 RBP: 000000000075bf20 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000064 R11: 0000000000000293 R12: 00007fe4d7cac6d4 R13: 00000000004ca3e2 R14: 00000000004e2418 R15: 0000000000000003 kobject: 'nr0' (00000000ef257bc4): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (00000000d3cc2b91): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (00000000d3cc2b91): kobject_uevent_env kobject: 'queues' (00000000d3cc2b91): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000a63b0165): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000a63b0165): kobject_uevent_env kobject: 'rx-0' (00000000a63b0165): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000bc803eb1): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000bc803eb1): kobject_uevent_env kobject: 'tx-0' (00000000bc803eb1): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'nr0' (000000001c4ed7ba): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (000000001c4ed7ba): kobject_uevent_env kobject: 'nr0' (000000001c4ed7ba): fill_kobj_path: path = '/devices/virtual/net/nr0' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'queues' (000000008e0831c3): kobject_add_internal: parent: 'nr0', set: '' CPU: 1 PID: 30172 Comm: syz-executor.1 Not tainted 4.19.85-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'queues' (000000008e0831c3): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'queues' (000000008e0831c3): kobject_uevent_env: filter function caused the event to drop! __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 kobject: 'rx-0' (00000000e379dabd): kobject_add_internal: parent: 'queues', set: 'queues' slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2ae/0x700 mm/slab.c:3557 kmem_cache_zalloc include/linux/slab.h:699 [inline] __alloc_file+0x27/0x330 fs/file_table.c:100 alloc_empty_file+0x72/0x170 fs/file_table.c:150 path_openat+0xef/0x45e0 fs/namei.c:3523 kobject: 'rx-0' (00000000e379dabd): kobject_uevent_env kobject: 'rx-0' (00000000e379dabd): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000eac9c4e1): kobject_add_internal: parent: 'queues', set: 'queues' do_filp_open+0x1a1/0x280 fs/namei.c:3564 kobject: 'tx-0' (00000000eac9c4e1): kobject_uevent_env do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 kobject: 'tx-0' (00000000eac9c4e1): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4143d1 Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fe4d7cab7a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004143d1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fe4d7cab850 RBP: 000000000075bf20 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000064 R11: 0000000000000293 R12: 00007fe4d7cac6d4 R13: 00000000004ca3e2 R14: 00000000004e2418 R15: 0000000000000003 kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000e379dabd): kobject_cleanup, parent 000000008e0831c3 kobject: 'rx-0' (00000000e379dabd): auto cleanup 'remove' event kobject: 'rx-0' (00000000e379dabd): kobject_uevent_env kobject: 'rx-0' (00000000e379dabd): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000e379dabd): auto cleanup kobject_del kobject: 'rx-0' (00000000e379dabd): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000eac9c4e1): kobject_cleanup, parent 000000008e0831c3 kobject: 'tx-0' (00000000eac9c4e1): auto cleanup 'remove' event kobject: 'tx-0' (00000000eac9c4e1): kobject_uevent_env kobject: 'tx-0' (00000000eac9c4e1): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'loop5' (000000006c297c38): kobject_uevent_env kobject: 'tx-0' (00000000eac9c4e1): auto cleanup kobject_del kobject: 'tx-0' (00000000eac9c4e1): calling ktype release kobject: 'loop5' (000000006c297c38): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0': free name kobject: 'queues' (000000008e0831c3): kobject_cleanup, parent (null) kobject: 'queues' (000000008e0831c3): calling ktype release kobject: 'queues' (000000008e0831c3): kset_release kobject: 'queues': free name kobject: 'nr0' (000000001c4ed7ba): kobject_uevent_env kobject: 'nr0' (000000001c4ed7ba): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (000000008657e215): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (000000008657e215): kobject_uevent_env kobject: 'nr0' (000000008657e215): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (0000000043e4d633): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (0000000043e4d633): kobject_uevent_env kobject: 'queues' (0000000043e4d633): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000049d1c2c6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000049d1c2c6): kobject_uevent_env kobject: 'rx-0' (0000000049d1c2c6): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000938178ee): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000938178ee): kobject_uevent_env kobject: 'tx-0' (00000000938178ee): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'rx-0' (00000000a63b0165): kobject_cleanup, parent 00000000d3cc2b91 kobject: 'rx-0' (00000000a63b0165): auto cleanup 'remove' event kobject: 'rx-0' (00000000a63b0165): kobject_uevent_env kobject: 'rx-0' (00000000a63b0165): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000a63b0165): auto cleanup kobject_del kobject: 'rx-0' (00000000a63b0165): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000bc803eb1): kobject_cleanup, parent 00000000d3cc2b91 kobject: 'tx-0' (00000000bc803eb1): auto cleanup 'remove' event kobject: 'tx-0' (00000000bc803eb1): kobject_uevent_env kobject: 'tx-0' (00000000bc803eb1): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000bc803eb1): auto cleanup kobject_del kobject: 'tx-0' (00000000bc803eb1): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000d3cc2b91): kobject_cleanup, parent (null) kobject: 'queues' (00000000d3cc2b91): calling ktype release kobject: 'queues' (00000000d3cc2b91): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000ef257bc4): kobject_uevent_env kobject: 'nr0' (00000000ef257bc4): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'rx-0' (0000000049d1c2c6): kobject_cleanup, parent 0000000043e4d633 kobject: 'rx-0' (0000000049d1c2c6): auto cleanup 'remove' event kobject: 'rx-0' (0000000049d1c2c6): kobject_uevent_env kobject: 'rx-0' (0000000049d1c2c6): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (0000000049d1c2c6): auto cleanup kobject_del kobject: 'rx-0' (0000000049d1c2c6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000938178ee): kobject_cleanup, parent 0000000043e4d633 kobject: 'tx-0' (00000000938178ee): auto cleanup 'remove' event kobject: 'tx-0' (00000000938178ee): kobject_uevent_env kobject: 'tx-0' (00000000938178ee): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000938178ee): auto cleanup kobject_del kobject: 'tx-0' (00000000938178ee): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000043e4d633): kobject_cleanup, parent (null) kobject: 'queues' (0000000043e4d633): calling ktype release kobject: 'queues' (0000000043e4d633): kset_release kobject: 'queues': free name kobject: 'nr0' (000000008657e215): kobject_uevent_env kobject: 'nr0' (000000008657e215): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (000000001c4ed7ba): kobject_cleanup, parent (null) kobject: 'nr0' (00000000ef257bc4): kobject_cleanup, parent (null) kobject: 'nr0' (000000001c4ed7ba): calling ktype release kobject: 'nr0' (00000000ef257bc4): calling ktype release kobject: 'nr0': free name kobject: 'nr0': free name kobject: 'nr0' (000000008657e215): kobject_cleanup, parent (null) kobject: 'nr0' (000000008657e215): calling ktype release kobject: 'nr0': free name FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop0' (00000000b8ef427f): kobject_uevent_env CPU: 1 PID: 30184 Comm: syz-executor.1 Not tainted 4.19.85-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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2ae/0x700 mm/slab.c:3557 kmem_cache_zalloc include/linux/slab.h:699 [inline] file_alloc_security security/selinux/hooks.c:390 [inline] selinux_file_alloc_security+0xb4/0x190 security/selinux/hooks.c:3597 security_file_alloc+0x63/0xa0 security/security.c:884 __alloc_file+0xcf/0x330 fs/file_table.c:105 kobject: 'nr0' (00000000b63ff7f3): kobject_add_internal: parent: 'net', set: 'devices' alloc_empty_file+0x72/0x170 fs/file_table.c:150 path_openat+0xef/0x45e0 fs/namei.c:3523 kobject: 'nr0' (00000000b63ff7f3): kobject_uevent_env kobject: 'nr0' (00000000b63ff7f3): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (0000000002c77a7a): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (0000000002c77a7a): kobject_uevent_env do_filp_open+0x1a1/0x280 fs/namei.c:3564 kobject: 'queues' (0000000002c77a7a): kobject_uevent_env: filter function caused the event to drop! do_sys_open+0x3fe/0x550 fs/open.c:1088 kobject: 'rx-0' (0000000084912764): kobject_add_internal: parent: 'queues', set: 'queues' __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 kobject: 'rx-0' (0000000084912764): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4143d1 Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fe4d7cab7a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002