------------[ cut here ]------------ current_phy->suspended WARNING: drivers/net/ieee802154/mac802154_hwsim.c:266 at hwsim_hw_xmit+0x15f4/0x1620 drivers/net/ieee802154/mac802154_hwsim.c:266, CPU#1: kworker/u8:3/49 Modules linked in: CPU: 1 UID: 0 PID: 49 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: phy0-mac-cmds mac802154_scan_worker RIP: 0010:hwsim_hw_xmit+0x15f4/0x1620 drivers/net/ieee802154/mac802154_hwsim.c:266 Code: c6 05 53 86 24 09 01 48 c7 c7 00 5d be 8c be 0d 01 00 00 48 c7 c2 a0 5d be 8c e8 c7 5b 64 fa e9 f4 eb ff ff e8 6d b0 88 fa 90 <0f> 0b 90 e9 e1 ea ff ff 89 d9 80 e1 07 38 c1 0f 8c c6 ea ff ff 48 RSP: 0018:ffffc90000a18a60 EFLAGS: 00010246 RAX: ffffffff873f1a43 RBX: ffff888028f7ed78 RCX: ffff8880236e1f40 RDX: 0000000000000100 RSI: 0000000000000100 RDI: ffff888028f7e720 RBP: ffffc90000a18bd8 R08: ffff888028f7e6ab R09: 1ffff110051efcd5 R10: dffffc0000000000 R11: ffffffff873f0450 R12: dffffc0000000000 R13: ffff888028f7e760 R14: ffff888028f7ed20 R15: 1ffff110051efcec FS: 0000000000000000(0000) GS:ffff888124dd1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f724db47ee0 CR3: 0000000035e76000 CR4: 00000000003526f0 Call Trace: drv_xmit_async net/mac802154/driver-ops.h:16 [inline] ieee802154_tx+0x26d/0x510 net/mac802154/tx.c:89 ieee802154_hot_tx net/mac802154/tx.c:207 [inline] ieee802154_subif_start_xmit+0x110/0x190 net/mac802154/tx.c:239 __netdev_start_xmit include/linux/netdevice.h:5438 [inline] netdev_start_xmit include/linux/netdevice.h:5447 [inline] xmit_one net/core/dev.c:3937 [inline] dev_hard_start_xmit+0x2cd/0x830 net/core/dev.c:3953 sch_direct_xmit+0x257/0x4c0 net/sched/sch_generic.c:372 qdisc_restart net/sched/sch_generic.c:437 [inline] __qdisc_run+0xb11/0x1620 net/sched/sch_generic.c:445 qdisc_run include/net/pkt_sched.h:121 [inline] net_tx_action+0x7cb/0xc30 net/core/dev.c:5915 handle_softirqs+0x226/0x860 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:221 Code: f7 e8 8d d3 bb f5 f7 c3 00 02 00 00 74 05 e8 50 17 e8 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 94 e2 ac f5 65 48 8b 05 0c f1 ac 07 48 85 c0 74 18 5b 41 5e e9 RSP: 0018:ffffc90000ba7968 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000282 RCX: 0000000000000001 RDX: 0000000000000006 RSI: ffffffff8e4777a6 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff907a317f R09: 1ffffffff20f462f R10: dffffc0000000000 R11: fffffbfff20f4630 R12: ffff88807d2f5680 R13: ffff888028510ed0 R14: ffff888028f7e668 R15: ffff888028f7e0a0 mac802154_scan_cleanup_locked+0xc9/0x280 net/mac802154/scan.c:69 mac802154_scan_worker+0x775/0xe60 net/mac802154/scan.c:275 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e8 8d d3 bb f5 call 0xf5bbd392 5: f7 c3 00 02 00 00 test $0x200,%ebx b: 74 05 je 0x12 d: e8 50 17 e8 f5 call 0xf5e81762 12: 9c pushf 13: 58 pop %rax 14: a9 00 02 00 00 test $0x200,%eax 19: 75 29 jne 0x44 1b: f7 c3 00 02 00 00 test $0x200,%ebx 21: 74 01 je 0x24 23: fb sti 24: bf 01 00 00 00 mov $0x1,%edi * 29: e8 94 e2 ac f5 call 0xf5ace2c2 <-- trapping instruction 2e: 65 48 8b 05 0c f1 ac mov %gs:0x7acf10c(%rip),%rax # 0x7acf142 35: 07 36: 48 85 c0 test %rax,%rax 39: 74 18 je 0x53 3b: 5b pop %rbx 3c: 41 5e pop %r14 3e: e9 .byte 0xe9