R13: 00007fff8f12dfaf R14: 00007f3c3e4ac9c0 R15: 000000000119bf2c INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 32258 Comm: syz-executor.5 Not tainted 4.14.210-syzkaller #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+0x1b2/0x283 lib/dump_stack.c:58 register_lock_class+0x32b/0x1320 kernel/locking/lockdep.c:768 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_work+0xad/0x770 kernel/workqueue.c:2889 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2964 rhashtable_free_and_destroy+0x26/0x710 lib/rhashtable.c:1073 mesh_table_free net/mac80211/mesh_pathtbl.c:70 [inline] mesh_pathtbl_init+0x223/0x290 net/mac80211/mesh_pathtbl.c:863 ieee80211_mesh_init_sdata+0x2b4/0x650 net/mac80211/mesh.c:1459 ieee80211_setup_sdata+0xb29/0xf40 net/mac80211/iface.c:1476 ieee80211_if_add+0xce0/0x16b0 net/mac80211/iface.c:1885 ieee80211_add_iface+0x89/0x110 net/mac80211/cfg.c:124 rdev_add_virtual_intf net/wireless/rdev-ops.h:45 [inline] nl80211_new_interface+0x44b/0x1360 net/wireless/nl80211.c:2990 genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45deb9 RSP: 002b:00007f3c3e4abc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002bb40 RCX: 000000000045deb9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00007f3c3e4abca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c R13: 00007fff8f12dfaf R14: 00007f3c3e4ac9c0 R15: 000000000119bf2c 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 Modules linked in: CPU: 0 PID: 32258 Comm: syz-executor.5 Not tainted 4.14.210-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880b03b60c0 task.stack: ffff888056e58000 RIP: 0010:rhashtable_free_and_destroy+0xa4/0x710 lib/rhashtable.c:1078 RSP: 0018:ffff888056e5f4a0 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 000012000000bde5 RCX: ffffc900062f9000 RDX: 00000240000017bc RSI: ffffffff8320b1b3 RDI: 0000000000000001 RBP: ffff8880a9469280 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8880b03b60c0 R12: ffff88806529d140 R13: ffff8880a94692c0 R14: dffffc0000000000 R15: ffff8880a9469280 FS: 00007f3c3e4ac700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff177acf98 CR3: 00000000548fa000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mesh_table_free net/mac80211/mesh_pathtbl.c:70 [inline] mesh_pathtbl_init+0x223/0x290 net/mac80211/mesh_pathtbl.c:863 ieee80211_mesh_init_sdata+0x2b4/0x650 net/mac80211/mesh.c:1459 ieee80211_setup_sdata+0xb29/0xf40 net/mac80211/iface.c:1476 ieee80211_if_add+0xce0/0x16b0 net/mac80211/iface.c:1885 ieee80211_add_iface+0x89/0x110 net/mac80211/cfg.c:124 rdev_add_virtual_intf net/wireless/rdev-ops.h:45 [inline] nl80211_new_interface+0x44b/0x1360 net/wireless/nl80211.c:2990 genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45deb9 RSP: 002b:00007f3c3e4abc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002bb40 RCX: 000000000045deb9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00007f3c3e4abca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c R13: 00007fff8f12dfaf R14: 00007f3c3e4ac9c0 R15: 000000000119bf2c Code: 45 00 48 83 3c 24 00 48 89 c3 48 89 44 24 10 0f 84 6d 01 00 00 e8 8d 8d 36 fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 35 06 00 00 48 8b 44 24 10 RIP: rhashtable_free_and_destroy+0xa4/0x710 lib/rhashtable.c:1078 RSP: ffff888056e5f4a0 Bluetooth: hci0 command 0x0406 tx timeout Bluetooth: hci2 command 0x0406 tx timeout ---[ end trace 2092f1881c09eda7 ]--- Bluetooth: hci4 command 0x0406 tx timeout NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)