====================================================== WARNING: possible circular locking dependency detected kobject: 'loop4' (000000003c5a5172): kobject_uevent_env 5.0.0-rc2+ #28 Not tainted ------------------------------------------------------ syz-executor2/22803 is trying to acquire lock: 00000000eb1bcedb (&(&u->lock)->rlock/1){+.+.}, at: sk_diag_dump_icons net/unix/diag.c:82 [inline] 00000000eb1bcedb (&(&u->lock)->rlock/1){+.+.}, at: sk_diag_fill.isra.0+0xa3e/0x10c0 net/unix/diag.c:144 but task is already holding lock: netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. 000000009552fea3 (rlock-AF_UNIX){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000009552fea3 (rlock-AF_UNIX){+.+.}, at: sk_diag_dump_icons net/unix/diag.c:64 [inline] 000000009552fea3 (rlock-AF_UNIX){+.+.}, at: sk_diag_fill.isra.0+0x949/0x10c0 net/unix/diag.c:144 kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (rlock-AF_UNIX){+.+.}: __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 kobject: 'loop4' (000000003c5a5172): kobject_uevent_env unix_dgram_sendmsg+0xebf/0x1610 net/unix/af_unix.c:1804 kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x409/0x910 net/socket.c:2116 __sys_sendmmsg+0x246/0x730 net/socket.c:2211 __do_sys_sendmmsg net/socket.c:2240 [inline] __se_sys_sendmmsg net/socket.c:2237 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2237 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&(&u->lock)->rlock/1){+.+.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 kobject: 'loop4' (000000003c5a5172): kobject_uevent_env _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+0xa3e/0x10c0 net/unix/diag.c:144 kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' sk_diag_dump net/unix/diag.c:178 [inline] unix_diag_dump+0x35c/0x550 net/unix/diag.c:206 netlink_dump+0x5f2/0x1070 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+0x405/0x7f0 net/unix/diag.c:307 __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+0x17d/0x410 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+0x574/0x770 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa05/0xf90 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+0x379/0x5e0 net/socket.c:900 call_write_iter include/linux/fs.h:1862 [inline] do_iter_readv_writev+0x902/0xbc0 fs/read_write.c:680 do_iter_write fs/read_write.c:956 [inline] do_iter_write+0x184/0x610 fs/read_write.c:937 vfs_writev+0x1ee/0x370 fs/read_write.c:1001 do_writev+0x11a/0x300 fs/read_write.c:1036 kobject: 'loop4' (000000003c5a5172): kobject_uevent_env __do_sys_writev fs/read_write.c:1109 [inline] __se_sys_writev fs/read_write.c:1106 [inline] __x64_sys_writev+0x75/0xb0 fs/read_write.c:1106 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rlock-AF_UNIX); lock(&(&u->lock)->rlock/1); lock(rlock-AF_UNIX); lock(&(&u->lock)->rlock/1); kobject: 'loop4' (000000003c5a5172): kobject_uevent_env *** DEADLOCK *** 5 locks held by syz-executor2/22803: #0: 000000001db39c20 (sock_diag_mutex){+.+.}, at: sock_diag_rcv+0x1c/0x40 net/core/sock_diag.c:273 #1: 00000000c0e51381 (sock_diag_table_mutex){+.+.}, at: __sock_diag_cmd net/core/sock_diag.c:227 [inline] #1: 00000000c0e51381 (sock_diag_table_mutex){+.+.}, at: sock_diag_rcv_msg+0x19d/0x410 net/core/sock_diag.c:263 kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' #2: 0000000066ce8964 (nlk_cb_mutex-SOCK_DIAG){+.+.}, at: netlink_dump+0x135/0x1070 net/netlink/af_netlink.c:2199 #3: 0000000026dcb525 (unix_table_lock){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] #3: 0000000026dcb525 (unix_table_lock){+.+.}, at: unix_diag_dump+0x10d/0x550 net/unix/diag.c:192 kobject: 'loop4' (000000003c5a5172): kobject_uevent_env #4: 000000009552fea3 (rlock-AF_UNIX){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] #4: 000000009552fea3 (rlock-AF_UNIX){+.+.}, at: sk_diag_dump_icons net/unix/diag.c:64 [inline] #4: 000000009552fea3 (rlock-AF_UNIX){+.+.}, at: sk_diag_fill.isra.0+0x949/0x10c0 net/unix/diag.c:144 stack backtrace: CPU: 1 PID: 22803 Comm: syz-executor2 Not tainted 5.0.0-rc2+ #28 kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' 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+0x1db/0x2d0 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+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 _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+0xa3e/0x10c0 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+0x5f2/0x1070 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+0x405/0x7f0 net/unix/diag.c:307 __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+0x17d/0x410 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+0x574/0x770 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa05/0xf90 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+0x379/0x5e0 net/socket.c:900 call_write_iter include/linux/fs.h:1862 [inline] do_iter_readv_writev+0x902/0xbc0 fs/read_write.c:680 do_iter_write fs/read_write.c:956 [inline] do_iter_write+0x184/0x610 fs/read_write.c:937 vfs_writev+0x1ee/0x370 fs/read_write.c:1001 do_writev+0x11a/0x300 fs/read_write.c:1036 __do_sys_writev fs/read_write.c:1109 [inline] __se_sys_writev fs/read_write.c:1106 [inline] __x64_sys_writev+0x75/0xb0 fs/read_write.c:1106 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458099 Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fec8b66cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458099 RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000006 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec8b66d6d4 R13: 00000000004c4b1c R14: 00000000004dcf58 R15: 00000000ffffffff kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' IPVS: Unknown mcast interface: hwsim0 IPVS: Unknown mcast interface: hwsim0 kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000bad76592): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' net_ratelimit: 35 callbacks suppressed sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 'syz-executor4': attribute type 1 has an invalid length. sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 'syz-executor0': attribute type 1 has an invalid length. kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 'syz-executor0': attribute type 1 has an invalid length. kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 'syz-executor0': attribute type 1 has an invalid length. kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' __nla_parse: 26 callbacks suppressed netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000d3e88f0d): kobject_uevent_env kobject: 'loop2' (00000000d3e88f0d): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' net_ratelimit: 62 callbacks suppressed sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' sit: non-ECT from 172.20.255.187 with TOS=0x3 sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop4' (000000003c5a5172): kobject_uevent_env sit: non-ECT from 172.20.255.187 with TOS=0x3 kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env netlink: 'syz-executor4': attribute type 5 has an invalid length. kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env netlink: 'syz-executor4': attribute type 2 has an invalid length. kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 'syz-executor4': attribute type 5 has an invalid length. kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' __nla_parse: 53 callbacks suppressed netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000002d8d87a9): kobject_uevent_env kobject: 'loop5' (000000002d8d87a9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000bad76592): kobject_uevent_env kobject: 'loop0' (00000000bad76592): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000003c5a5172): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop4' (000000003c5a5172): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009e0a9f9c): kobject_uevent_env kobject: 'loop1' (000000009e0a9f9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000b24a05c1): kobject_uevent_env kobject: 'loop3' (00000000b24a05c1): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop4' (000000003c5a5172): kobject_uevent_env