====================================================== WARNING: possible circular locking dependency detected 4.14.154 #0 Not tainted ------------------------------------------------------ syz-executor.5/13090 is trying to acquire lock: (pmus_lock){+.+.}, at: [] swevent_hlist_get kernel/events/core.c:7891 [inline] (pmus_lock){+.+.}, at: [] perf_swevent_init+0x12e/0x4c0 kernel/events/core.c:7951 but task is already holding lock: (&cpuctx_mutex/1){+.+.}, at: [] perf_event_ctx_lock_nested+0x150/0x2c0 kernel/events/core.c:1235 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&cpuctx_mutex/1){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 mutex_lock_double kernel/events/core.c:9904 [inline] __perf_event_ctx_lock_double kernel/events/core.c:9963 [inline] SYSC_perf_event_open+0x134c/0x2690 kernel/events/core.c:10225 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (&cpuctx_mutex){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_event_init_cpu+0xc2/0x170 kernel/events/core.c:11223 perf_event_init+0x2d8/0x31a kernel/events/core.c:11270 start_kernel+0x3b6/0x6fd init/main.c:621 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:399 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:380 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #0 (pmus_lock){+.+.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 swevent_hlist_get kernel/events/core.c:7891 [inline] perf_swevent_init+0x12e/0x4c0 kernel/events/core.c:7951 perf_try_init_event+0xe6/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd90/0x25b0 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xad1/0x2690 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env other info that might help us debug this: kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' Chain exists of: pmus_lock --> &cpuctx_mutex --> &cpuctx_mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&cpuctx_mutex/1); lock(&cpuctx_mutex); lock(&cpuctx_mutex/1); lock(pmus_lock); *** DEADLOCK *** 2 locks held by syz-executor.5/13090: #0: (&pmus_srcu){....} kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env , at: [] perf_event_alloc.part.0+0xbaa/0x25b0 kernel/events/core.c:9636 #1: kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' (&cpuctx_mutex/1){+.+.}, at: [] perf_event_ctx_lock_nested+0x150/0x2c0 kernel/events/core.c:1235 stack backtrace: CPU: 1 PID: 13090 Comm: syz-executor.5 Not tainted 4.14.154 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' swevent_hlist_get kernel/events/core.c:7891 [inline] perf_swevent_init+0x12e/0x4c0 kernel/events/core.c:7951 perf_try_init_event+0xe6/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd90/0x25b0 kernel/events/core.c:9640 kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xad1/0x2690 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007f2e5328dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a219 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000200 RBP: 000000000075c268 R08: 0000000000000000 R09: 0000000000000000 kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env R10: 0000000000000003 R11: 0000000000000246 R12: 00007f2e5328e6d4 R13: 00000000004c75c7 R14: 00000000004dd348 R15: 00000000ffffffff kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kauditd_printk_skb: 53 callbacks suppressed audit: type=1400 audit(8016267613.838:103965): avc: denied { map } for pid=13196 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: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1400 audit(8016267613.878:103966): avc: denied { map } for pid=13196 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: 'kvm' (ffff888219f9ee10): kobject_uevent_env audit: type=1400 audit(8016267613.878:103967): avc: denied { map } for pid=13196 comm="blkid" path="/etc/ld.so.cache" dev="sda1" ino=2251 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1400 audit(8016267613.878:103968): avc: denied { map } for pid=13196 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(8016267613.988:103969): avc: denied { create } for pid=13202 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: 'loop5' (ffff8880a4b5e120): kobject_uevent_env audit: type=1400 audit(8016267614.008:103970): avc: denied { write } for pid=13202 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: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1400 audit(8016267614.008:103971): avc: denied { read } for pid=13202 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(8016267614.038:103972): avc: denied { map } for pid=13215 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(8016267614.038:103973): avc: denied { map } for pid=13215 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(8016267614.138:103974): avc: denied { map } for pid=13199 comm="syz-executor.3" path="/dev/sg0" dev="devtmpfs" ino=14868 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:scsi_generic_device_t:s0 tclass=chr_file permissive=1 kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'teql0' (ffff8880613195b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'teql0' (ffff8880613195b0): kobject_uevent_env kobject: 'teql0' (ffff8880613195b0): fill_kobj_path: path = '/devices/virtual/net/teql0' kobject: 'queues' (ffff8880a0796248): kobject_add_internal: parent: 'teql0', set: '' kobject: 'queues' (ffff8880a0796248): kobject_uevent_env kobject: 'queues' (ffff8880a0796248): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'rx-0' (ffff88809175fcd0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88809175fcd0): kobject_uevent_env kobject: 'rx-0' (ffff88809175fcd0): fill_kobj_path: path = '/devices/virtual/net/teql0/queues/rx-0' kobject: 'tx-0' (ffff888095e2fad8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888095e2fad8): kobject_uevent_env kobject: 'tx-0' (ffff888095e2fad8): fill_kobj_path: path = '/devices/virtual/net/teql0/queues/tx-0' kobject: 'batman_adv' (ffff888096d60f80): kobject_add_internal: parent: 'teql0', set: '' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'batman_adv' (ffff888096d60f80): kobject_uevent_env kobject: 'batman_adv' (ffff888096d60f80): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'batman_adv' (ffff888096d60f80): kobject_cleanup, parent (null) kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'batman_adv' (ffff888096d60f80): calling ktype release kobject: (ffff888096d60f80): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff88809175fcd0): kobject_cleanup, parent ffff8880a0796248 kobject: 'rx-0' (ffff88809175fcd0): auto cleanup 'remove' event kobject: 'rx-0' (ffff88809175fcd0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'rx-0' (ffff88809175fcd0): fill_kobj_path: path = '/devices/virtual/net/teql0/queues/rx-0' kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88809175fcd0): auto cleanup kobject_del kobject: 'rx-0' (ffff88809175fcd0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888095e2fad8): kobject_cleanup, parent ffff8880a0796248 kobject: 'tx-0' (ffff888095e2fad8): auto cleanup 'remove' event kobject: 'tx-0' (ffff888095e2fad8): kobject_uevent_env kobject: 'tx-0' (ffff888095e2fad8): fill_kobj_path: path = '/devices/virtual/net/teql0/queues/tx-0' kobject: 'tx-0' (ffff888095e2fad8): auto cleanup kobject_del kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'tx-0' (ffff888095e2fad8): calling ktype release kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0': free name kobject: 'queues' (ffff8880a0796248): kobject_cleanup, parent (null) kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (ffff8880a0796248): calling ktype release kobject: 'queues' (ffff8880a0796248): kset_release kobject: 'queues': free name kobject: 'teql0' (ffff8880613195b0): kobject_uevent_env kobject: 'teql0' (ffff8880613195b0): fill_kobj_path: path = '/devices/virtual/net/teql0' kobject: 'teql0' (ffff8880613195b0): kobject_cleanup, parent (null) kobject: 'teql0' (ffff8880613195b0): calling ktype release kobject: 'teql0': free name kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' kauditd_printk_skb: 130 callbacks suppressed audit: type=1400 audit(8016267618.848:104105): avc: denied { create } for pid=13514 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1400 audit(8016267618.868:104106): avc: denied { map } for pid=13519 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: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1400 audit(8016267618.868:104107): avc: denied { map } for pid=13519 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(8016267618.868:104108): avc: denied { map } for pid=13519 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(8016267618.898:104109): avc: denied { map } for pid=13522 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: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1400 audit(8016267619.118:104110): avc: denied { map } for pid=13530 comm="syz-executor.3" path="/dev/sg0" dev="devtmpfs" ino=14868 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:scsi_generic_device_t:s0 tclass=chr_file permissive=1 kobject: 'loop2' (ffff8880606ce160): kobject_uevent_env kobject: 'loop2' (ffff8880606ce160): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1400 audit(8016267619.478:104111): avc: denied { map } for pid=13549 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: 'loop5' (ffff8880a4b5e120): kobject_uevent_env kobject: 'loop5' (ffff8880a4b5e120): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1400 audit(8016267619.718:104112): avc: denied { map } for pid=13555 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: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): kobject_uevent_env kobject: 'loop4' (ffff8880a4ac40a0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1400 audit(8016267619.868:104113): avc: denied { map } for pid=13561 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: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1400 audit(8016267619.948:104114): avc: denied { map } for pid=13564 comm="syz-executor.3" path="/dev/sg0" dev="devtmpfs" ino=14868 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:scsi_generic_device_t:s0 tclass=chr_file permissive=1 kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219f9ee10): kobject_uevent_env kobject: 'kvm' (ffff888219f9ee10): fill_kobj_path: path = '/devices/virtual/misc/kvm'