list_add corruption. next->prev should be prev (ffff88801eabe9c0), but was ffffffff9a43e100. (next=ffff88805b1f79c8). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:31! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5931 Comm: syz-executor Not tainted 6.14.0-rc1-syzkaller-00034-g92514ef226f5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__list_add_valid_or_report+0xf3/0x130 lib/list_debug.c:29 Code: 12 1b fd 42 80 7c 2d 00 00 74 08 48 89 df e8 f4 50 3c fd 49 8b 56 08 48 c7 c7 c0 b7 5f 8c 4c 89 e6 4c 89 f1 e8 fe e1 3f fc 90 <0f> 0b 4c 89 e7 e8 d3 11 1b fd 42 80 3c 2b 00 74 08 4c 89 e7 e8 c4 RSP: 0018:ffffc90010666d98 EFLAGS: 00010246 RAX: 0000000000000075 RBX: ffff88805b1f79d0 RCX: af5efb286629a700 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff1100b63ef3a R08: ffffffff819f140c R09: 1ffff920020ccd50 R10: dffffc0000000000 R11: fffff520020ccd51 R12: ffff88801eabe9c0 R13: dffffc0000000000 R14: ffff88805b1f79c8 R15: ffff88806ecbd108 FS: 000055558f2ed500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3430934440 CR3: 000000002767e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add_valid include/linux/list.h:88 [inline] __list_add include/linux/list.h:150 [inline] list_add include/linux/list.h:169 [inline] inode_sb_list_add fs/inode.c:617 [inline] new_inode+0xc7/0x1d0 fs/inode.c:1195 debugfs_get_inode fs/debugfs/inode.c:72 [inline] debugfs_create_dir+0xf6/0x430 fs/debugfs/inode.c:597 wiphy_register+0x1b8f/0x27b0 net/wireless/core.c:1015 ieee80211_register_hw+0x354e/0x4240 net/mac80211/main.c:1587 mac80211_hwsim_new_radio+0x2a9f/0x4aa0 drivers/net/wireless/virtual/mac80211_hwsim.c:5558 hwsim_new_radio_nl+0xece/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6242 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 __sys_sendto+0x363/0x4c0 net/socket.c:2182 __do_sys_sendto net/socket.c:2189 [inline] __se_sys_sendto net/socket.c:2185 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2185 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f115998ec7c Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b RSP: 002b:00007fff0f4323c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f115a6d4620 RCX: 00007f115998ec7c RDX: 0000000000000024 RSI: 00007f115a6d4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fff0f432414 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f115a6d4670 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_add_valid_or_report+0xf3/0x130 lib/list_debug.c:29 Code: 12 1b fd 42 80 7c 2d 00 00 74 08 48 89 df e8 f4 50 3c fd 49 8b 56 08 48 c7 c7 c0 b7 5f 8c 4c 89 e6 4c 89 f1 e8 fe e1 3f fc 90 <0f> 0b 4c 89 e7 e8 d3 11 1b fd 42 80 3c 2b 00 74 08 4c 89 e7 e8 c4 RSP: 0018:ffffc90010666d98 EFLAGS: 00010246 RAX: 0000000000000075 RBX: ffff88805b1f79d0 RCX: af5efb286629a700 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff1100b63ef3a R08: ffffffff819f140c R09: 1ffff920020ccd50 R10: dffffc0000000000 R11: fffff520020ccd51 R12: ffff88801eabe9c0 R13: dffffc0000000000 R14: ffff88805b1f79c8 R15: ffff88806ecbd108 FS: 000055558f2ed500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3430934440 CR3: 000000002767e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400