batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:4259] Modules linked in: irq event stamp: 6559391 hardirqs last enabled at (6559390): [] slab_alloc_node mm/slab.c:3334 [inline] hardirqs last enabled at (6559390): [] kmem_cache_alloc_node_trace+0x2da/0x3b0 mm/slab.c:3666 hardirqs last disabled at (6559391): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (6542464): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (6542467): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (6542467): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 4259 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:kasan_kmalloc+0x2/0x160 mm/kasan/kasan.c:533 Code: 0f 1f 84 00 00 00 00 00 48 85 ff 74 0d 48 39 f7 77 08 48 29 fe e9 fe fe ff ff c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 <49> 89 d7 41 56 49 89 fe 41 55 41 54 41 89 cc 55 48 89 f5 53 48 81 RSP: 0018:ffff8880ba007b38 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000490220 RCX: 0000000000490220 RDX: 0000000000000200 RSI: ffff88809a3d9540 RDI: ffff88813bff0940 RBP: 0000000000490220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809a3d9540 R13: ffff88813bff0940 R14: 0000000000000200 R15: ffff88813bff0940 FS: 00007f0a714be700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0044db628 CR3: 0000000009e6d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node_trace+0x13c/0x3b0 mm/slab.c:3666 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 skb_copy+0x139/0x2f0 net/core/skbuff.c:1358 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb8a/0x1330 drivers/net/wireless/mac80211_hwsim.c:1353 mac80211_hwsim_tx_frame+0x12b/0x210 drivers/net/wireless/mac80211_hwsim.c:1556 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __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:__unlock_page_memcg+0x0/0x100 mm/memcontrol.c:1946 Code: 9d f9 ff 48 8b 04 24 e9 90 fd ff ff e8 d9 9c f9 ff e9 ca fd ff ff e8 5f 9d f9 ff e9 f4 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 <48> 85 ff 53 74 37 48 b8 00 00 00 00 00 fc ff df 48 89 fb 48 8d bf RSP: 0018:ffff88802e967738 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff818fb155 RDX: 1ffffd4000479957 RSI: ffffffff818fb11a RDI: 0000000000000000 RBP: ffffea00023cca80 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dead000000000100 R15: 00007f0a72ab1000 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0a72f4b639 Code: Bad RIP value. RSP: 002b:00007f0a714be168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: 0000000000000070 RBX: 00007f0a7306bf80 RCX: 00007f0a72f4b639 RDX: 0400000000000070 RSI: 0000000020007fc0 RDI: 0000000000000005 RBP: 00007f0a72fa67e1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeddb0cb8f R14: 00007f0a714be300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60