WARNING: CPU: 0 PID: 30221 at net/mac80211/tx.c:4154 __ieee80211_csa_update_counter net/mac80211/tx.c:4154 [inline] WARNING: CPU: 0 PID: 30221 at net/mac80211/tx.c:4154 __ieee80211_csa_update_counter net/mac80211/tx.c:4149 [inline] WARNING: CPU: 0 PID: 30221 at net/mac80211/tx.c:4154 __ieee80211_beacon_get+0x1678/0x1a30 net/mac80211/tx.c:4347 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 30221 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 audit: type=1800 audit(1677286638.888:1528): pid=30222 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="file0" dev="sda1" ino=15390 res=0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:__ieee80211_csa_update_counter net/mac80211/tx.c:4154 [inline] RIP: 0010:__ieee80211_csa_update_counter net/mac80211/tx.c:4149 [inline] RIP: 0010:__ieee80211_beacon_get+0x1678/0x1a30 net/mac80211/tx.c:4347 Code: 85 70 03 00 00 41 0f b6 45 24 31 ff 44 8d 60 ff 45 88 65 24 44 89 e6 e8 e6 9f bf f9 45 84 e4 0f 85 4f f5 ff ff e8 a8 9e bf f9 <0f> 0b e9 43 f5 ff ff e8 9c 9e bf f9 e8 c7 c6 ad f9 31 ff 41 89 c4 RSP: 0018:ffff8880ba007c18 EFLAGS: 00010206 RAX: ffff888093fb0140 RBX: ffff88805092f3f8 RCX: ffffffff87a2e6ba RDX: 0000000000000100 RSI: ffffffff87a2e6c8 RDI: 0000000000000001 RBP: ffff888050871a40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880ab974200 R14: 0000000000000000 R15: ffff8880ba007d60 ieee80211_beacon_get_tim+0x88/0x890 net/mac80211/tx.c:4463 ieee80211_beacon_get include/net/mac80211.h:4484 [inline] mac80211_hwsim_beacon_tx+0xff/0x680 drivers/net/wireless/mac80211_hwsim.c:1577 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:lock_release+0x42/0x8b0 kernel/locking/lockdep.c:3917 Code: fd 53 48 83 ec 78 48 c7 44 24 18 b3 8a b5 41 4c 8d 64 24 18 48 c7 44 24 20 ac 2a b7 89 49 c1 ec 03 48 c7 44 24 28 f0 49 4b 81 <49> 8d 14 04 65 48 8b 1c 25 c0 df 01 00 48 8d bb 84 08 00 00 c7 02 RSP: 0018:ffff88804f817888 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff888093fb0140 RCX: ffffc90005f2f000 RDX: ffffffff818aebcf RSI: 0000000000000000 RDI: ffff888050c82d08 RBP: ffff888050c82d08 R08: ffffffff8cd254f0 R09: 0000000000000000 R10: ffff888093fb09c8 R11: 0000000000000000 R12: 1ffff11009f02f14 R13: ffffffff818aebcf R14: ffff88804f817ad0 R15: dffffc0000000000 __might_fault mm/memory.c:4772 [inline] __might_fault+0x192/0x1d0 mm/memory.c:4757 _copy_from_user+0x29/0x130 lib/usercopy.c:10 copy_from_user include/linux/uaccess.h:147 [inline] copy_msghdr_from_user+0x8d/0x440 net/socket.c:2108 ___sys_recvmsg+0x102/0x570 net/socket.c:2377 __sys_recvmmsg+0x254/0x6d0 net/socket.c:2501 do_sys_recvmmsg+0x172/0x190 net/socket.c:2577 __do_sys_recvmmsg net/socket.c:2595 [inline] __se_sys_recvmmsg net/socket.c:2591 [inline] __x64_sys_recvmmsg+0xba/0x150 net/socket.c:2591 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff4c41db0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff4c272c168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007ff4c42fb050 RCX: 00007ff4c41db0f9 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007ff4c4236ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca668d5cf R14: 00007ff4c272c300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: fd std 1: 53 push %rbx 2: 48 83 ec 78 sub $0x78,%rsp 6: 48 c7 44 24 18 b3 8a movq $0x41b58ab3,0x18(%rsp) d: b5 41 f: 4c 8d 64 24 18 lea 0x18(%rsp),%r12 14: 48 c7 44 24 20 ac 2a movq $0xffffffff89b72aac,0x20(%rsp) 1b: b7 89 1d: 49 c1 ec 03 shr $0x3,%r12 21: 48 c7 44 24 28 f0 49 movq $0xffffffff814b49f0,0x28(%rsp) 28: 4b 81 * 2a: 49 8d 14 04 lea (%r12,%rax,1),%rdx <-- trapping instruction 2e: 65 48 8b 1c 25 c0 df mov %gs:0x1dfc0,%rbx 35: 01 00 37: 48 8d bb 84 08 00 00 lea 0x884(%rbx),%rdi 3e: c7 .byte 0xc7 3f: 02 .byte 0x2