netlink: 16 bytes leftover after parsing attributes in process `syz.4.649'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6797 at net/wireless/core.h:231 wdev_lock net/wireless/core.h:231 [inline] WARNING: CPU: 0 PID: 6797 at net/wireless/core.h:231 cfg80211_wireless_stats+0x538/0x630 net/wireless/wext-compat.c:1371 Modules linked in: CPU: 0 PID: 6797 Comm: syz.4.649 Not tainted 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : wdev_lock net/wireless/core.h:231 [inline] pc : cfg80211_wireless_stats+0x538/0x630 net/wireless/wext-compat.c:1371 lr : wdev_lock net/wireless/core.h:231 [inline] lr : cfg80211_wireless_stats+0x538/0x630 net/wireless/wext-compat.c:1371 sp : ffff8000219174a0 x29: ffff800021917520 x28: 1fffe00019aa8c00 x27: 1ffff00004322e98 x26: dfff800000000000 x25: 1ffff00002b3a0af x24: ffff8000159d0000 x23: ffff8000159d0000 x22: ffff0000d0ec0000 x21: ffff0000cd546000 x20: ffff0000d0ec0760 x19: ffff0000cca14000 x18: ffff800021917160 x17: ffff800018aa4000 x16: ffff8000084fb1ec x15: 0000000000000002 x14: 0000000000000000 x13: ffff0000f9ee1bc0 x12: 0000000000040000 x11: 0000000000001619 x10: ffff8000233ab000 x9 : ffff800011ade788 x8 : 000000000000161a x7 : 0000000000000000 x6 : 000000000000000a x5 : ffff0000c3b2a0a2 x4 : ffff800014486dc2 x3 : ffff800012250814 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: wdev_lock net/wireless/core.h:231 [inline] cfg80211_wireless_stats+0x538/0x630 net/wireless/wext-compat.c:1371 get_wireless_stats+0x70/0x138 wireless_seq_printf_stats net/wireless/wext-proc.c:33 [inline] wireless_dev_seq_show+0x58/0x3dc net/wireless/wext-proc.c:86 traverse+0x1e8/0x554 fs/seq_file.c:111 seq_read_iter+0xb84/0xc44 fs/seq_file.c:195 seq_read+0x1e8/0x2c0 fs/seq_file.c:162 pde_read fs/proc/inode.c:316 [inline] proc_reg_read+0x190/0x2e8 fs/proc/inode.c:328 do_iter_read+0x41c/0x9a8 fs/read_write.c:798 vfs_readv fs/read_write.c:916 [inline] do_preadv+0x1e4/0x324 fs/read_write.c:1008 __do_sys_preadv fs/read_write.c:1058 [inline] __se_sys_preadv fs/read_write.c:1053 [inline] __arm64_sys_preadv+0xa0/0xb8 fs/read_write.c:1053 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1312 hardirqs last enabled at (1311): [<ffff8000089d4bb4>] mod_objcg_state+0x314/0x4e0 mm/memcontrol.c:3214 hardirqs last disabled at (1312): [<ffff800012293b94>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1290): [<ffff800008032978>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1288): [<ffff800008032944>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6797 at net/wireless/core.h:239 wdev_unlock net/wireless/core.h:239 [inline] WARNING: CPU: 1 PID: 6797 at net/wireless/core.h:239 cfg80211_wireless_stats+0x544/0x630 net/wireless/wext-compat.c:1373 Modules linked in: CPU: 1 PID: 6797 Comm: syz.4.649 Tainted: G W 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : wdev_unlock net/wireless/core.h:239 [inline] pc : cfg80211_wireless_stats+0x544/0x630 net/wireless/wext-compat.c:1373 lr : wdev_unlock net/wireless/core.h:239 [inline] lr : cfg80211_wireless_stats+0x544/0x630 net/wireless/wext-compat.c:1373 sp : ffff8000219174a0 x29: ffff800021917520 x28: 1fffe00019aa8c00 x27: 1ffff00004322e98 x26: dfff800000000000 x25: 1ffff00002b3a0af x24: ffff0000cd546580 x23: ffff8000159d0000 x22: ffff0000d0ec0000 x21: ffff0000cd546000 x20: ffff0000cd546048 x19: 0000000000000000 x18: 1fffe000367a3376 x17: ffff8000159cd000 x16: ffff8000084fb1ec x15: ffff0001b3d19bbc x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000040000 x11: 0000000000027217 x10: ffff8000233ab000 x9 : ffff800011ade794 x8 : 0000000000027218 x7 : ffff80000827d484 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: wdev_unlock net/wireless/core.h:239 [inline] cfg80211_wireless_stats+0x544/0x630 net/wireless/wext-compat.c:1373 get_wireless_stats+0x70/0x138 wireless_seq_printf_stats net/wireless/wext-proc.c:33 [inline] wireless_dev_seq_show+0x58/0x3dc net/wireless/wext-proc.c:86 traverse+0x1e8/0x554 fs/seq_file.c:111 seq_read_iter+0xb84/0xc44 fs/seq_file.c:195 seq_read+0x1e8/0x2c0 fs/seq_file.c:162 pde_read fs/proc/inode.c:316 [inline] proc_reg_read+0x190/0x2e8 fs/proc/inode.c:328 do_iter_read+0x41c/0x9a8 fs/read_write.c:798 vfs_readv fs/read_write.c:916 [inline] do_preadv+0x1e4/0x324 fs/read_write.c:1008 __do_sys_preadv fs/read_write.c:1058 [inline] __se_sys_preadv fs/read_write.c:1053 [inline] __arm64_sys_preadv+0xa0/0xb8 fs/read_write.c:1053 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1474 hardirqs last enabled at (1473): [<ffff80000827d524>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (1473): [<ffff80000827d524>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (1474): [<ffff800012293b94>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1458): [<ffff8000081c80cc>] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (1458): [<ffff8000081c80cc>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (1315): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]---