syzbot has found a reproducer for the following issue on: HEAD commit: 37f368d8 lan743x: remove redundant intializations of point.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=11ede3bed00000 kernel config: https://syzkaller.appspot.com/x/.config?x=7eff0f22b8563a5f dashboard link: https://syzkaller.appspot.com/bug?extid=fbf4fc11a819824e027b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d31a11d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12ca3611d00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fbf4fc11a819824e027b@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 8394 at kernel/locking/mutex.c:931 __mutex_lock_common kernel/locking/mutex.c:931 [inline] WARNING: CPU: 1 PID: 8394 at kernel/locking/mutex.c:931 __mutex_lock+0xc0b/0x1120 kernel/locking/mutex.c:1096 Modules linked in: CPU: 1 PID: 8394 Comm: syz-executor533 Not tainted 5.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:931 [inline] RIP: 0010:__mutex_lock+0xc0b/0x1120 kernel/locking/mutex.c:1096 Code: 08 84 d2 0f 85 a3 04 00 00 8b 05 18 cb be 04 85 c0 0f 85 12 f5 ff ff 48 c7 c6 20 8b 6b 89 48 c7 c7 e0 88 6b 89 e8 b2 3b bd ff <0f> 0b e9 f8 f4 ff ff 65 48 8b 1c 25 00 f0 01 00 be 08 00 00 00 48 RSP: 0018:ffffc90002a2f3f8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888020b554c0 RSI: ffffffff815c51f5 RDI: fffff52000545e71 RBP: ffff8880195a4c90 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815bdf8e R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffc90002a2f5a8 R15: ffff888014580014 FS: 0000000001f49300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc43046ba8 CR3: 0000000011a5a000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee802154_del_seclevel+0x3f/0x70 net/mac802154/cfg.c:382 rdev_del_seclevel net/ieee802154/rdev-ops.h:284 [inline] nl802154_del_llsec_seclevel+0x1a7/0x250 net/ieee802154/nl802154.c:2093 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x440909 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc43047c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000440909 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc43047dd8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403c10 R13: 431bde82d7b634db R14: 00000000004ae018 R15: 00000000004004a0
