netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 48 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_UP): vlan90: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan91: link is not ready watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:18224] Modules linked in: irq event stamp: 3552425 hardirqs last enabled at (3552424): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3552425): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (232): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (232): [] netif_addr_unlock_bh include/linux/netdevice.h:4022 [inline] softirqs last enabled at (232): [] dev_set_rx_mode net/core/dev.c:7608 [inline] softirqs last enabled at (232): [] __dev_change_flags+0x198/0x660 net/core/dev.c:7666 softirqs last disabled at (337): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (337): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 18224 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_release+0x429/0x8b0 kernel/locking/lockdep.c:3930 Code: 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 95 03 00 00 48 83 3d 7b 34 a6 08 00 0f 84 cc 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 00 00 00 RSP: 0018:ffff8880ba107770 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff88801a846580 RCX: 1ffff11003508dd0 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000286 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000074071 R12: 1ffff11017420ef1 R13: 7e697efdfd88e78a R14: ffff88801a846580 R15: 0000000000000004 FS: 00007f356c03b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ed29000 CR3: 000000022fc4d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] is_bpf_text_address+0xfc/0x1b0 kernel/bpf/core.c:548 kernel_text_address kernel/extable.c:152 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:122 __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 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 alloc_skb include/linux/skbuff.h:995 [inline] mrp_pdu_init net/802/mrp.c:316 [inline] mrp_pdu_append_vecattr_event+0x7d2/0x1050 net/802/mrp.c:415 mrp_attr_event+0x15d/0x220 net/802/mrp.c:510 mrp_mad_event net/802/mrp.c:590 [inline] mrp_join_timer+0x5a/0xc0 net/802/mrp.c:607 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __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:write_comp_data+0x23/0x70 kernel/kcov.c:122 Code: 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 65 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 <83> f8 03 75 44 48 8b 86 68 13 00 00 8b b6 64 13 00 00 48 8b 38 48 RSP: 0018:ffff88822e75f728 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000002 RBX: 00000000ffffffd5 RCX: ffffffff813fcad6 RDX: 0000000000000000 RSI: ffff88801a846580 RDI: 0000000000000005 RBP: ffffffff8aef73e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 notifier_call_chain+0x106/0x230 kernel/notifier.c:98 call_netdevice_notifiers net/core/dev.c:1762 [inline] __dev_open+0x104/0x3a0 net/core/dev.c:1391 __dev_change_flags+0x501/0x660 net/core/dev.c:7679 dev_change_flags+0x7e/0x140 net/core/dev.c:7748 devinet_ioctl+0x13c9/0x1b40 net/ipv4/devinet.c:1106 inet_ioctl+0x1ea/0x360 net/ipv4/af_inet.c:954 sock_do_ioctl+0xce/0x300 net/socket.c:1015 sock_ioctl+0x2ef/0x5d0 net/socket.c:1135 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f356d6e85a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f356c03b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f356d80a050 RCX: 00007f356d6e85a9 RDX: 00000000200007c0 RSI: 0000000000008914 RDI: 0000000000000006 RBP: 00007f356d743580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff946f30cf R14: 00007f356c03b300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 18198 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:is_bpf_text_address+0x2/0x1b0 kernel/bpf/core.c:543 Code: e9 1b ff ff ff 48 89 df e8 ab 54 2b 00 eb c1 48 89 ef e8 a1 54 2b 00 eb 82 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 54 <55> 48 89 fd 53 e8 c4 74 f5 ff e8 2f fb e3 ff e8 ba 74 f5 ff 45 31 RSP: 0018:ffff8880ba007820 EFLAGS: 00000246 RAX: 00000000ba007900 RBX: 00007f5454dbb5a9 RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000004 RDI: 00007f5454dbb5a9 RBP: 00007f5454dbb5a9 R08: 0000000000000000 R09: ffffed101740455a R10: ffff8880ba022ad3 R11: 0000000000074071 R12: ffff8880ba007918 R13: 0000000000000000 R14: ffff88813bff0940 R15: 0000000000000200 FS: 00007f545370e700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ee26000 CR3: 00000000a9933000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kernel_text_address kernel/extable.c:152 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:122 __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 __do_kmalloc_node mm/slab.c:3689 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407 netdev_alloc_skb include/linux/skbuff.h:2680 [inline] dev_alloc_skb include/linux/skbuff.h:2693 [inline] __ieee80211_beacon_get+0xc7d/0x1a30 net/mac80211/tx.c:4352 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:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline] RIP: 0010:write_comp_data+0x1d/0x70 kernel/kcov.c:122 Code: d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 65 8b 05 7a 59 9f 7e a9 00 01 1f 00 75 4f <8b> 86 60 13 00 00 83 f8 03 75 44 48 8b 86 68 13 00 00 8b b6 64 13 RSP: 0018:ffff8882327ef6d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: ffffea00027318c0 RCX: ffffffff81941fea RDX: 0000000000000000 RSI: ffff88801a5c8140 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea00027318c0 R15: 00007f5453f97000 PageCompound include/linux/page-flags.h:156 [inline] PageHuge+0x3a/0x160 mm/hugetlb.c:1374 page_remove_file_rmap+0x3e/0xa30 mm/rmap.c:1215 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: 0033:0x7f5454dbb5a9 Code: Bad RIP value. RSP: 002b:00007f545370e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f5454edd050 RCX: 00007f5454dbb5a9 RDX: 00000000200007c0 RSI: 0000000000008914 RDI: 0000000000000006 RBP: 00007f5454e16580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc540dc3ef R14: 00007f545370e300 R15: 0000000000022000