------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 4320 at net/mac80211/rate.c:385 __rate_control_send_low+0x574/0x774 net/mac80211/rate.c:380 Modules linked in: CPU: 1 PID: 4320 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __rate_control_send_low+0x574/0x774 net/mac80211/rate.c:380 lr : __rate_control_send_low+0x574/0x774 net/mac80211/rate.c:380 sp : ffff800008017670 x29: ffff8000080176c0 x28: ffff0000c356b390 x27: 000000000000000c x26: dfff800000000000 x25: ffff0000c356b3a0 x24: ffff0000d231ba28 x23: 0000000000000040 x22: 1fffe000186ad674 x21: ffff0000c356b398 x20: ffff0000c3568ea0 x19: dfff800000000000 x18: 0000000000000000 x17: 6d5f65746172206e x16: ffff8000082d22d4 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 x11: ff00800008191ca8 x10: 0000000000000000 x9 : 05eebd177ed5cb00 x8 : 05eebd177ed5cb00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000080170f8 x4 : ffff8000151a4820 x3 : ffff80000852e3b0 x2 : 0000000000000001 x1 : 0000000100000100 x0 : 0000000000000000 Call trace: __rate_control_send_low+0x574/0x774 net/mac80211/rate.c:380 rate_control_send_low+0x164/0x684 net/mac80211/rate.c:405 rate_control_get_rate+0x1a0/0x4b8 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x2e0/0x5b4 net/mac80211/tx.c:5131 ieee80211_beacon_get_ap net/mac80211/tx.c:5214 [inline] __ieee80211_beacon_get+0x1428/0x19cc net/mac80211/tx.c:5253 ieee80211_beacon_get_tim+0x68/0x444 net/mac80211/tx.c:5352 ieee80211_beacon_get include/net/mac80211.h:5264 [inline] mac80211_hwsim_beacon_tx+0x1e8/0x914 drivers/net/wireless/mac80211_hwsim.c:2091 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xc8/0x1b8 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1752 [inline] __hrtimer_run_queues+0x44c/0xc64 kernel/time/hrtimer.c:1816 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1833 handle_softirqs+0x318/0xc6c kernel/softirq.c:596 __do_softirq+0x14/0x20 kernel/softirq.c:630 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:897 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:477 [inline] __irq_exit_rcu+0x23c/0x43c kernel/softirq.c:679 irq_exit_rcu+0x14/0x84 kernel/softirq.c:691 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] __local_bh_enable_ip+0x200/0x380 kernel/softirq.c:426 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x48/0x58 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] lock_sock_nested net/core/sock.c:3495 [inline] lock_sock include/net/sock.h:1756 [inline] sockopt_lock_sock+0x10c/0x15c net/core/sock.c:1056 do_ipv6_setsockopt+0x2b8/0x311c net/ipv6/ipv6_sockglue.c:419 ipv6_setsockopt+0x6c/0x1a0 net/ipv6/ipv6_sockglue.c:1024 tcp_setsockopt+0xcc/0xe8 net/ipv4/tcp.c:3866 sock_common_setsockopt+0xb0/0xcc net/core/sock.c:3682 __sys_setsockopt+0x2f8/0x504 net/socket.c:2288 __do_sys_setsockopt net/socket.c:2299 [inline] __se_sys_setsockopt net/socket.c:2296 [inline] __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2296 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 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: 144941 hardirqs last enabled at (144940): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (144941): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (144908): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (144908): [] lock_sock_nested net/core/sock.c:3495 [inline] softirqs last enabled at (144908): [] lock_sock include/net/sock.h:1756 [inline] softirqs last enabled at (144908): [] sockopt_lock_sock+0x10c/0x15c net/core/sock.c:1056 softirqs last disabled at (144911): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 mm/page-writeback.c:2951 Modules linked in: CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:243 [inline] pc : __folio_end_writeback+0x7d4/0x9e0 mm/page-writeback.c:2951 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : __folio_end_writeback+0x7d4/0x9e0 mm/page-writeback.c:2951 sp : ffff80001c937960 x29: ffff80001c937980 x28: dfff800000000000 x27: ffff0000c049c7e8 x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000625d78 x23: 0000000000000001 x22: ffff0000dcfeb770 x21: ffff0000dcfeb778 x20: 0000000000000001 x19: fffffc000312ebc0 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e24 x15: ffff8000150bd000 x14: 0000000000000100 x13: 1ffff00002a180b1 x12: 0000000000ff0100 x11: ff008000086fcfd8 x10: 0000000000000000 x9 : ffff8000086fcfd8 x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] __folio_end_writeback+0x7d4/0x9e0 mm/page-writeback.c:2951 folio_end_writeback+0x12c/0x41c mm/filemap.c:1641 end_page_writeback+0x58/0x74 mm/folio-compat.c:26 end_buffer_async_write+0x32c/0x508 fs/buffer.c:375 end_bio_bh_io_sync+0xb0/0x1e0 fs/buffer.c:2655 bio_endio+0x770/0x7b4 block/bio.c:1554 req_bio_endio block/blk-mq.c:780 [inline] blk_update_request+0x49c/0xbec block/blk-mq.c:925 blk_mq_end_request+0x54/0x88 block/blk-mq.c:1050 lo_complete_rq+0x1ec/0x250 drivers/block/loop.c:365 blk_complete_reqs block/blk-mq.c:1130 [inline] blk_done_softirq+0x11c/0x168 block/blk-mq.c:1135 handle_softirqs+0x318/0xc6c kernel/softirq.c:596 run_ksoftirqd+0x7c/0x2a0 kernel/softirq.c:963 smpboot_thread_fn+0x4b0/0x964 kernel/smpboot.c:164 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 388221 hardirqs last enabled at (388220): [] folio_memcg_lock+0xe8/0x1fc mm/memcontrol.c:2113 hardirqs last disabled at (388221): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (388221): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (388210): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (388210): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (388215): [] run_ksoftirqd+0x7c/0x2a0 kernel/softirq.c:963 ---[ end trace 0000000000000000 ]---