------------[ cut here ]------------ Invalid VIF (ffff888032d129d0) magic 0x0, 08:02:11:00:00:01, 1/0 WARNING: CPU: 0 PID: 5832 at drivers/net/wireless/virtual/mac80211_hwsim.c:237 hwsim_check_magic drivers/net/wireless/virtual/mac80211_hwsim.c:235 [inline] WARNING: CPU: 0 PID: 5832 at drivers/net/wireless/virtual/mac80211_hwsim.c:237 mac80211_hwsim_tx+0x1b6f/0x23c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2026 Modules linked in: CPU: 0 UID: 0 PID: 5832 Comm: syz-executor Not tainted 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:hwsim_check_magic drivers/net/wireless/virtual/mac80211_hwsim.c:235 [inline] RIP: 0010:mac80211_hwsim_tx+0x1b6f/0x23c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2026 Code: 28 84 c0 0f 85 06 08 00 00 45 0f b6 8e 61 04 00 00 48 c7 c7 e0 d4 a9 8c 4c 89 f6 44 89 e2 48 89 e9 41 89 d8 e8 42 d1 49 fa 90 <0f> 0b 90 90 e9 69 f2 ff ff e8 53 1e 89 fa 90 0f 0b 90 e9 d5 f2 ff RSP: 0018:ffffc90000006e90 EFLAGS: 00010246 RAX: 28fdf37b4ee4ad00 RBX: 0000000000000001 RCX: ffff88802fabbc00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888032d12e2a R08: ffffffff81603132 R09: 1ffffffff2037496 R10: dffffc0000000000 R11: fffffbfff2037497 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff888032d129d0 R15: 0000000000000000 FS: 0000555587945500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4a37ad56c0 CR3: 0000000066a7e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drv_tx net/mac80211/driver-ops.h:37 [inline] wake_tx_push_queue net/mac80211/util.c:298 [inline] ieee80211_handle_wake_tx_queue+0x1ae/0x2d0 net/mac80211/util.c:315 drv_wake_tx_queue net/mac80211/driver-ops.h:1366 [inline] schedule_and_wake_txq net/mac80211/driver-ops.h:1373 [inline] ieee80211_queue_skb+0x1ae9/0x24b0 net/mac80211/tx.c:1664 ieee80211_tx+0x2c4/0x470 net/mac80211/tx.c:1967 __ieee80211_subif_start_xmit+0xe93/0x1600 net/mac80211/tx.c:4339 ieee80211_subif_start_xmit+0xde/0x4d0 net/mac80211/tx.c:4533 __netdev_start_xmit include/linux/netdevice.h:5144 [inline] netdev_start_xmit include/linux/netdevice.h:5153 [inline] xmit_one net/core/dev.c:3735 [inline] dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3751 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4584 dev_queue_xmit include/linux/netdevice.h:3305 [inline] tipc_l2_send_msg+0x321/0x3f0 net/tipc/bearer.c:516 tipc_bearer_xmit_skb+0x2f5/0x460 net/tipc/bearer.c:575 tipc_disc_timeout+0x5ee/0x760 net/tipc/discover.c:338 call_timer_fn+0x187/0x650 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2445 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:check_kcov_mode kernel/kcov.c:185 [inline] RIP: 0010:write_comp_data kernel/kcov.c:246 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x2f/0x90 kernel/kcov.c:321 Code: 8b 04 24 65 48 8b 0c 25 00 d6 03 00 65 8b 05 50 55 64 7e 25 00 01 ff 00 74 10 3d 00 01 00 00 75 57 83 b9 1c 16 00 00 00 74 4e <8b> 81 f8 15 00 00 83 f8 03 75 43 48 8b 91 00 16 00 00 44 8b 89 fc RSP: 0018:ffffc90003f7f2b8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88802fabbc00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90003f7f6d0 R08: ffffffff81ed7408 R09: 1ffffd400033f7d0 R10: dffffc0000000000 R11: fffff9400033f7d1 R12: ffffea00019fbe88 R13: ffffea00019fbe80 R14: 1ffff920007efeac R15: 00000000000001e1 constant_test_bit arch/x86/include/asm/bitops.h:206 [inline] arch_test_bit arch/x86/include/asm/bitops.h:238 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline] folio_test_head include/linux/page-flags.h:824 [inline] folio_test_large include/linux/page-flags.h:845 [inline] copy_present_ptes mm/memory.c:999 [inline] copy_pte_range mm/memory.c:1173 [inline] copy_pmd_range+0xb38/0x77a0 mm/memory.c:1261 copy_pud_range mm/memory.c:1298 [inline] copy_p4d_range mm/memory.c:1322 [inline] copy_page_range+0x99f/0xe90 mm/memory.c:1420 dup_mmap kernel/fork.c:748 [inline] dup_mm kernel/fork.c:1688 [inline] copy_mm+0x121a/0x2090 kernel/fork.c:1740 copy_process+0x1845/0x3d50 kernel/fork.c:2391 kernel_clone+0x226/0x8e0 kernel/fork.c:2803 __do_sys_clone kernel/fork.c:2946 [inline] __se_sys_clone kernel/fork.c:2930 [inline] __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2930 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4a36d83593 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd4ded1f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a36d83593 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: 00005555879457d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000028472 R14: 00007ffd4ded20e0 R15: 0000000000000230 ---------------- Code disassembly (best guess): 0: 8b 04 24 mov (%rsp),%eax 3: 65 48 8b 0c 25 00 d6 mov %gs:0x3d600,%rcx a: 03 00 c: 65 8b 05 50 55 64 7e mov %gs:0x7e645550(%rip),%eax # 0x7e645563 13: 25 00 01 ff 00 and $0xff0100,%eax 18: 74 10 je 0x2a 1a: 3d 00 01 00 00 cmp $0x100,%eax 1f: 75 57 jne 0x78 21: 83 b9 1c 16 00 00 00 cmpl $0x0,0x161c(%rcx) 28: 74 4e je 0x78 * 2a: 8b 81 f8 15 00 00 mov 0x15f8(%rcx),%eax <-- trapping instruction 30: 83 f8 03 cmp $0x3,%eax 33: 75 43 jne 0x78 35: 48 8b 91 00 16 00 00 mov 0x1600(%rcx),%rdx 3c: 44 rex.R 3d: 8b .byte 0x8b 3e: 89 fc mov %edi,%esp