====================================================== WARNING: possible circular locking dependency detected 5.0.0-rc6+ #68 Not tainted ------------------------------------------------------ syz-executor.0/8500 is trying to acquire lock: 000000008b36bfaf (rlock-AF_UNIX){+.+.}, at: skb_queue_tail+0x26/0x150 net/core/skbuff.c:2968 but task is already holding lock: 00000000d316e6e6 (&(&u->lock)->rlock/1){+.+.}, at: unix_state_double_lock net/unix/af_unix.c:1085 [inline] 00000000d316e6e6 (&(&u->lock)->rlock/1){+.+.}, at: unix_state_double_lock+0x80/0xb0 net/unix/af_unix.c:1077 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&(&u->lock)->rlock/1){+.+.}: _raw_spin_lock_nested+0x35/0x50 kernel/locking/spinlock.c:354 sk_diag_dump_icons net/unix/diag.c:82 [inline] sk_diag_fill.isra.0+0x9b6/0xee0 net/unix/diag.c:144 sk_diag_dump net/unix/diag.c:178 [inline] unix_diag_dump+0x35c/0x550 net/unix/diag.c:206 netlink_dump+0x55d/0xfb0 net/netlink/af_netlink.c:2244 __netlink_dump_start+0x5b4/0x7e0 net/netlink/af_netlink.c:2352 netlink_dump_start include/linux/netlink.h:225 [inline] unix_diag_handler_dump+0x390/0x740 net/unix/diag.c:307 binder: 8503:8510 got transaction with invalid offsets ptr __sock_diag_cmd net/core/sock_diag.c:232 [inline] sock_diag_rcv_msg+0x322/0x410 net/core/sock_diag.c:263 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 sock_diag_rcv+0x2b/0x40 net/core/sock_diag.c:274 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 binder: 8503:8510 transaction failed 29201/-14, size 40-8 line 3202 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 sock_write_iter+0x27c/0x3e0 net/socket.c:900 call_write_iter include/linux/fs.h:1863 [inline] do_iter_readv_writev+0x5e0/0x8e0 fs/read_write.c:680 do_iter_write fs/read_write.c:956 [inline] do_iter_write+0x184/0x610 fs/read_write.c:937 compat_writev+0x1f6/0x3a0 fs/read_write.c:1270 do_compat_writev+0xf5/0x1f0 fs/read_write.c:1291 __do_compat_sys_writev fs/read_write.c:1302 [inline] __se_compat_sys_writev fs/read_write.c:1298 [inline] __ia32_compat_sys_writev+0x74/0xb0 fs/read_write.c:1298 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 kobject: 'loop2' (000000004522401c): kobject_uevent_env entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 -> #0 (rlock-AF_UNIX){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' skb_queue_tail+0x26/0x150 net/core/skbuff.c:2968 unix_dgram_sendmsg+0xc31/0x11e0 net/unix/af_unix.c:1804 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x3e2/0x930 net/socket.c:2114 __sys_sendmmsg+0x2df/0x4e0 net/socket.c:2202 __compat_sys_sendmmsg net/compat.c:771 [inline] __do_compat_sys_sendmmsg net/compat.c:778 [inline] __se_compat_sys_sendmmsg net/compat.c:775 [inline] __ia32_compat_sys_sendmmsg+0x9f/0x100 net/compat.c:775 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&u->lock)->rlock/1); lock(rlock-AF_UNIX); lock(&(&u->lock)->rlock/1); lock(rlock-AF_UNIX); *** DEADLOCK *** 1 lock held by syz-executor.0/8500: #0: 00000000d316e6e6 (&(&u->lock)->rlock/1){+.+.}, at: unix_state_double_lock net/unix/af_unix.c:1085 [inline] #0: 00000000d316e6e6 (&(&u->lock)->rlock/1){+.+.}, at: unix_state_double_lock+0x80/0xb0 net/unix/af_unix.c:1077 stack backtrace: CPU: 0 PID: 8500 Comm: syz-executor.0 Not tainted 5.0.0-rc6+ #68 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:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x2f00/0x4700 kernel/locking/lockdep.c:3338 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 skb_queue_tail+0x26/0x150 net/core/skbuff.c:2968 unix_dgram_sendmsg+0xc31/0x11e0 net/unix/af_unix.c:1804 binder: undelivered TRANSACTION_ERROR: 29201 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x3e2/0x930 net/socket.c:2114 __sys_sendmmsg+0x2df/0x4e0 net/socket.c:2202 __compat_sys_sendmmsg net/compat.c:771 [inline] __do_compat_sys_sendmmsg net/compat.c:778 [inline] __se_compat_sys_sendmmsg net/compat.c:775 [inline] __ia32_compat_sys_sendmmsg+0x9f/0x100 net/compat.c:775 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7f2f869 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5d2b0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000159 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000200bd000 RDX: 00000000924922c9 RSI: 0000000000000040 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env net_ratelimit: 17 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nullb0' (00000000d27cab6c): kobject_uevent_env kobject: 'nullb0' (00000000d27cab6c): fill_kobj_path: path = '/devices/virtual/block/nullb0' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' validate_nla: 7 callbacks suppressed netlink: 'syz-executor.1': attribute type 33 has an invalid length. kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008307c730): kobject_uevent_env netlink: 'syz-executor.1': attribute type 33 has an invalid length. kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000008307c730): kobject_uevent_env netlink: 'syz-executor.1': attribute type 33 has an invalid length. kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 'syz-executor.5': attribute type 33 has an invalid length. kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 'syz-executor.1': attribute type 33 has an invalid length. kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env netlink: 'syz-executor.5': attribute type 33 has an invalid length. kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (0000000008fba093): kobject_uevent_env netlink: 'syz-executor.1': attribute type 33 has an invalid length. kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.5': attribute type 33 has an invalid length. kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (0000000008fba093): kobject_uevent_env kobject: 'loop0' (0000000008fba093): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (000000004b174ae9): kobject_uevent_env kobject: 'loop3' (000000004b174ae9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000008307c730): kobject_uevent_env kobject: 'loop5' (000000008307c730): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000050f4b90d): kobject_uevent_env kobject: 'loop4' (0000000050f4b90d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000004522401c): kobject_uevent_env kobject: 'loop2' (000000004522401c): fill_kobj_path: path = '/devices/virtual/block/loop2'