general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 10094 Comm: kworker/u4:10 Not tainted 5.12.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy150 hw_scan_work RIP: 0010:mac80211_hwsim_tx_frame_nl+0x3fd/0xdb0 drivers/net/wireless/mac80211_hwsim.c:1315 Code: 48 c1 ea 03 80 3c 02 00 0f 85 50 08 00 00 4c 8b ab 90 3c 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 RSP: 0018:ffffc90001b2fa90 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff888077ef31e0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff852894ff RDI: 0000000000000004 RBP: ffff888084d76a00 R08: 0000000000000000 R09: ffff8880671e60ab R10: ffffffff852894f1 R11: 0000000000000000 R12: ffffc90001b2fb18 R13: 0000000000000000 R14: ffff888084d76500 R15: ffff888077ef0d00 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400308 CR3: 00000000564b0000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mac80211_hwsim_tx_frame+0x10d/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1773 hw_scan_work+0x7be/0xc20 drivers/net/wireless/mac80211_hwsim.c:2331 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Modules linked in: ---[ end trace c19f48fbc5ee38e3 ]--- RIP: 0010:mac80211_hwsim_tx_frame_nl+0x3fd/0xdb0 drivers/net/wireless/mac80211_hwsim.c:1315 Code: 48 c1 ea 03 80 3c 02 00 0f 85 50 08 00 00 4c 8b ab 90 3c 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 RSP: 0018:ffffc90001b2fa90 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff888077ef31e0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff852894ff RDI: 0000000000000004 RBP: ffff888084d76a00 R08: 0000000000000000 R09: ffff8880671e60ab R10: ffffffff852894f1 R11: 0000000000000000 R12: ffffc90001b2fb18 R13: 0000000000000000 R14: ffff888084d76500 R15: ffff888077ef0d00 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400308 CR3: 00000000564b0000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400