kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7724 Comm: kworker/1:3 Not tainted 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: krxrpcd rxrpc_peer_keepalive_worker RIP: 0010:selinux_socket_sendmsg+0x22/0x40 security/selinux/hooks.c:4911 Code: c3 e8 42 25 85 fe eb e8 55 48 89 e5 53 48 89 fb e8 b3 8e 4d fe 48 8d 7b 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 11 48 8b 7b 20 be 04 00 00 00 e8 0a fc ff ff 5b 5d RSP: 0018:ffff888050e9f9f0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff835f5b15 RDX: 0000000000000004 RSI: ffffffff831db6cd RDI: 0000000000000020 RBP: ffff888050e9f9f8 R08: ffff888050e90700 R09: ffff888050e90fc8 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888050e9fb20 R14: ffff888050e9fb20 R15: 000000000000001d FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000738008 CR3: 00000000942cd000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: security_socket_sendmsg+0x77/0xc0 security/security.c:1417 sock_sendmsg+0x45/0x130 net/socket.c:629 kernel_sendmsg+0x44/0x50 net/socket.c:640 rxrpc_send_keepalive+0x1ff/0x8e0 net/rxrpc/output.c:658 rxrpc_peer_keepalive_dispatch net/rxrpc/peer_event.c:366 [inline] rxrpc_peer_keepalive_worker+0x7be/0xd02 net/rxrpc/peer_event.c:427 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: kobject: 'loop3' (00000000057d393c): kobject_uevent_env kobject: 'loop3' (00000000057d393c): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000252f55f8): kobject_uevent_env kobject: 'loop1' (00000000252f55f8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000f405aefd): kobject_uevent_env kobject: 'loop5' (00000000f405aefd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000252f55f8): kobject_uevent_env kobject: 'loop1' (00000000252f55f8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000a4b9cca0): kobject_uevent_env kobject: 'loop4' (00000000a4b9cca0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000865161d0): kobject_uevent_env kobject: 'loop2' (00000000865161d0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000f405aefd): kobject_uevent_env kobject: 'loop5' (00000000f405aefd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000252f55f8): kobject_uevent_env kobject: 'loop1' (00000000252f55f8): kobject_uevent_env kobject: 'loop1' (00000000252f55f8): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000252f55f8): fill_kobj_path: path = '/devices/virtual/block/loop1' ---[ end trace 9f75aee6e573708f ]--- kobject: 'loop4' (00000000a4b9cca0): kobject_uevent_env RIP: 0010:selinux_socket_sendmsg+0x22/0x40 security/selinux/hooks.c:4911 kobject: 'loop4' (00000000a4b9cca0): fill_kobj_path: path = '/devices/virtual/block/loop4' Code: c3 e8 42 25 85 fe eb e8 55 48 89 e5 53 48 89 fb e8 b3 8e 4d fe 48 8d 7b 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 11 48 8b 7b 20 be 04 00 00 00 e8 0a fc ff ff 5b 5d kobject: 'loop2' (00000000865161d0): kobject_uevent_env RSP: 0018:ffff888050e9f9f0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff835f5b15 kobject: 'loop1' (00000000252f55f8): kobject_uevent_env kobject: 'loop2' (00000000865161d0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000252f55f8): fill_kobj_path: path = '/devices/virtual/block/loop1' RDX: 0000000000000004 RSI: ffffffff831db6cd RDI: 0000000000000020 kobject: 'loop5' (00000000f405aefd): kobject_uevent_env RBP: ffff888050e9f9f8 R08: ffff888050e90700 R09: ffff888050e90fc8 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 kobject: 'loop5' (00000000f405aefd): fill_kobj_path: path = '/devices/virtual/block/loop5' R13: ffff888050e9fb20 R14: ffff888050e9fb20 R15: 000000000000001d FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 kobject: 'loop0' (0000000035f61b06): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop0' (0000000035f61b06): fill_kobj_path: path = '/devices/virtual/block/loop0' CR2: 0000000000714158 CR3: 00000000811bd000 CR4: 00000000001406e0 kobject: 'loop2' (00000000865161d0): kobject_uevent_env DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop1' (00000000252f55f8): kobject_uevent_env kobject: 'loop1' (00000000252f55f8): fill_kobj_path: path = '/devices/virtual/block/loop1' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop2' (00000000865161d0): fill_kobj_path: path = '/devices/virtual/block/loop2'