------------[ cut here ]------------ WARNING: CPU: 0 PID: 13446 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 0 PID: 13446 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x120b/0x15d0 net/mac80211/tx.c:5469 Modules linked in: CPU: 0 UID: 0 PID: 13446 Comm: kworker/u4:8 Not tainted 6.14.0-rc5-syzkaller-00234-gb7c90e3e717a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] RIP: 0010:__ieee80211_beacon_get+0x120b/0x15d0 net/mac80211/tx.c:5469 Code: e8 ba 70 40 f6 eb 0d e8 b3 70 40 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 d3 27 9c f6 45 31 ed e9 4d fe ff ff e8 96 70 40 f6 90 <0f> 0b 90 e9 f9 f6 ff ff e8 88 70 40 f6 90 0f 0b 90 e9 e7 f8 ff ff RSP: 0018:ffffc900000079e0 EFLAGS: 00010246 RAX: ffffffff8b816e7a RBX: 0000000000000000 RCX: ffff8880333d0000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8b81656f R09: ffffffff8b815f6f R10: 0000000000000003 R11: ffff8880333d0000 R12: ffff88804f57a500 R13: ffff888051d7ec00 R14: ffff88804f57a9d0 R15: ffff88804f578d80 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa0874d56c0 CR3: 0000000055f48000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5641 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1801 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1865 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1882 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:194 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x70 kernel/kcov.c:217 Code: 80 d6 03 00 65 8b 15 60 f7 41 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 2c 16 00 00 00 74 2c 8b 91 08 16 00 00 <83> fa 02 75 21 48 8b 91 10 16 00 00 48 8b 32 48 8d 7e 01 8b 89 0c RSP: 0018:ffffc9000d3efa48 EFLAGS: 00000246 RAX: ffffffff816ecbc1 RBX: ffffffff823c697b RCX: ffff8880333d0000 RDX: 0000000000000000 RSI: ffffffff8c80ff00 RDI: ffff88804f3f5500 RBP: ffffc9000d3efcf0 R08: ffffffff823d8b4a R09: 1ffff11009e7eaa2 R10: dffffc0000000000 R11: ffffed1009e7eaa3 R12: dffffc0000000000 R13: ffff88804f3f5500 R14: ffff88804f3f5500 R15: 1ffff92001a7df84 __phys_addr+0x11/0x170 arch/x86/mm/physaddr.c:16 virt_to_folio include/linux/mm.h:1295 [inline] virt_to_slab mm/slab.h:211 [inline] kmem_cache_free+0x78/0x410 mm/slub.c:4711 open_exec+0x4b/0x60 fs/exec.c:933 load_elf_binary+0x1957/0x2820 fs/binfmt_elf.c:899 search_binary_handler fs/exec.c:1775 [inline] exec_binprm fs/exec.c:1807 [inline] bprm_execve+0x979/0x1430 fs/exec.c:1859 kernel_execve+0x931/0xa50 fs/exec.c:2026 call_usermodehelper_exec_async+0x237/0x380 kernel/umh.c:109 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---------------- Code disassembly (best guess): 0: 80 d6 03 adc $0x3,%dh 3: 00 65 8b add %ah,-0x75(%rbp) 6: 15 60 f7 41 7e adc $0x7e41f760,%eax b: 81 e2 00 01 ff 00 and $0xff0100,%edx 11: 74 11 je 0x24 13: 81 fa 00 01 00 00 cmp $0x100,%edx 19: 75 35 jne 0x50 1b: 83 b9 2c 16 00 00 00 cmpl $0x0,0x162c(%rcx) 22: 74 2c je 0x50 24: 8b 91 08 16 00 00 mov 0x1608(%rcx),%edx * 2a: 83 fa 02 cmp $0x2,%edx <-- trapping instruction 2d: 75 21 jne 0x50 2f: 48 8b 91 10 16 00 00 mov 0x1610(%rcx),%rdx 36: 48 8b 32 mov (%rdx),%rsi 39: 48 8d 7e 01 lea 0x1(%rsi),%rdi 3d: 8b .byte 0x8b 3e: 89 .byte 0x89 3f: 0c .byte 0xc