------------[ 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#0: syz.6.491/9170 Modules linked in: CPU: 0 UID: 0 PID: 9170 Comm: syz.6.491 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:hwsim_hw_xmit+0x15f4/0x1620 drivers/net/ieee802154/mac802154_hwsim.c:266 Code: c6 05 87 c4 1c 09 01 48 c7 c7 20 af be 8c be 0d 01 00 00 48 c7 c2 c0 af be 8c e8 47 67 5d fa e9 f4 eb ff ff e8 5d fa 81 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:ffffc90003ed7260 EFLAGS: 00010287 RAX: ffffffff8746d9e3 RBX: ffff888028c04d78 RCX: 0000000000080000 RDX: ffffc90006603000 RSI: 000000000000014c RDI: 000000000000014d RBP: ffffc90003ed73d8 R08: ffff888028c046ab R09: 1ffff110051808d5 R10: dffffc0000000000 R11: ffffffff8746c3f0 R12: dffffc0000000000 R13: ffff888028c04760 R14: ffff888028c04d20 R15: 1ffff110051808ec FS: 00007f76415f66c0(0000) GS:ffff888124cb7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34b1eff8 CR3: 000000005681a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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:5431 [inline] netdev_start_xmit include/linux/netdevice.h:5440 [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 __dev_xmit_skb net/core/dev.c:4262 [inline] __dev_queue_xmit+0x177f/0x3820 net/core/dev.c:4884 dev_queue_xmit include/linux/netdevice.h:3459 [inline] dgram_sendmsg+0x709/0xe30 net/ieee802154/socket.c:690 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2712 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2766 __sys_sendmsg net/socket.c:2798 [inline] __do_sys_sendmsg net/socket.c:2803 [inline] __se_sys_sendmsg net/socket.c:2801 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2801 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f764339e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f76415f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f7643625fa0 RCX: 00007f764339e159 RDX: 0000000000004090 RSI: 00002000000001c0 RDI: 0000000000000009 RBP: 00007f764343506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7643626038 R14: 00007f7643625fa0 R15: 00007ffc2d796888