------------[ cut here ]------------ WARNING: CPU: 0 PID: 20658 at net/mac80211/rx.c:4902 ieee80211_rx_list+0x18e2/0x2740 net/mac80211/rx.c:4902 Modules linked in: CPU: 0 PID: 20658 Comm: syz-executor.4 Not tainted 5.16.0-syzkaller-11655-ge5313968c41b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ieee80211_rx_list+0x18e2/0x2740 net/mac80211/rx.c:4902 Code: 00 00 31 ff 89 de e8 6d 9a d8 f8 85 db 0f 85 19 02 00 00 e8 40 98 d8 f8 4c 89 e7 e8 58 ef 88 fe e9 bc eb ff ff e8 2e 98 d8 f8 <0f> 0b e9 53 ec ff ff e8 22 98 d8 f8 4c 89 ea 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000007c90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88802060b3c8 RCX: 0000000000000100 RDX: ffff88807df45700 RSI: ffffffff889fbdc2 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff889fa75b R11: 0000000000000000 R12: ffff888074575b40 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888020608e60 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f38da1eb903 CR3: 000000004ffd6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> ieee80211_rx_napi+0xdb/0x3d0 net/mac80211/rx.c:5000 ieee80211_rx include/net/mac80211.h:4594 [inline] ieee80211_tasklet_handler+0xd4/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:784 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5607 Code: 30 a5 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc90005ec75d0 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff92000bd8ebc RCX: 236a5d9e48021b38 RDX: 1ffff1100fbe8c2b RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fdeca07 R10: fffffbfff1fbd940 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8bb851a0 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:268 [inline] rcu_read_lock include/linux/rcupdate.h:694 [inline] folio_memcg_lock+0x3a/0x3e0 mm/memcontrol.c:2017 page_remove_rmap+0x25/0x1480 mm/rmap.c:1377 zap_pte_range mm/memory.c:1380 [inline] zap_pmd_range mm/memory.c:1490 [inline] zap_pud_range mm/memory.c:1519 [inline] zap_p4d_range mm/memory.c:1540 [inline] unmap_page_range+0xf7f/0x2a30 mm/memory.c:1561 unmap_single_vma+0x198/0x310 mm/memory.c:1606 unmap_vmas+0x16b/0x2f0 mm/memory.c:1638 exit_mmap+0x201/0x670 mm/mmap.c:3178 __mmput+0x122/0x4b0 kernel/fork.c:1114 mmput+0x56/0x60 kernel/fork.c:1135 exit_mm kernel/exit.c:507 [inline] do_exit+0xa3c/0x2a30 kernel/exit.c:793 do_group_exit+0xd2/0x2f0 kernel/exit.c:935 get_signal+0x4b0/0x28c0 kernel/signal.c:2862 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f2c8b990049 Code: Unable to access opcode bytes at RIP 0x7f2c8b99001f. RSP: 002b:00007f2c8a305168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 000000000000002e RBX: 00007f2c8baa2f60 RCX: 00007f2c8b990049 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f2c8b9ea08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb1b5a4df R14: 00007f2c8a305300 R15: 0000000000022000 </TASK> ---------------- Code disassembly (best guess): 0: 30 a5 7e 83 f8 01 xor %ah,0x1f8837e(%rbp) 6: 0f 85 b4 02 00 00 jne 0x2c0 c: 9c pushfq d: 58 pop %rax e: f6 c4 02 test $0x2,%ah 11: 0f 85 9f 02 00 00 jne 0x2b6 17: 48 83 7c 24 08 00 cmpq $0x0,0x8(%rsp) 1d: 74 01 je 0x20 1f: fb sti 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction 2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx) 3b: 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 84 .byte 0x84 3f: 24 .byte 0x24