watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.0:25609] Modules linked in: irq event stamp: 2942353 hardirqs last enabled at (2942352): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2942353): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2927064): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2927067): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2927067): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 25609 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:42 [inline] RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:321 [inline] RIP: 0010:deref_stack_reg+0xa3/0x1d0 arch/x86/kernel/unwind_orc.c:331 Code: 00 00 41 8b 04 24 85 c0 74 62 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 00 01 00 00 <49> 8d 7c 24 10 4d 8b 74 24 08 48 b8 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffff8880ba007670 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff11017400ecf RCX: 0000000000000000 RDX: 1ffff11017400f08 RSI: ffff888222f5fd98 RDI: ffff8880ba007840 RBP: ffff888222f5fd98 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba007897 R11: 0000000000074071 R12: ffff8880ba007838 R13: ffff8880ba007878 R14: ffff8880ba007838 R15: ffffffff8b990f2e FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffac135e48 CR3: 00000000284ca000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0xf83/0x1400 arch/x86/kernel/unwind_orc.c:555 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 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 kmem_cache_alloc_node_trace+0x151/0x3b0 mm/slab.c:3668 __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 __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:zap_pte_range mm/memory.c:1335 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1463 [inline] RIP: 0010:zap_pud_range mm/memory.c:1492 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1513 [inline] RIP: 0010:unmap_page_range+0x1174/0x2c50 mm/memory.c:1534 Code: 0f 85 b5 09 00 00 e8 1b e8 d6 ff 48 8b 44 24 18 48 8d 78 20 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 74 06 0f 8e e4 09 00 00 <48> 8b 44 24 18 31 ff 0f b6 40 20 89 c3 88 84 24 b8 00 00 00 83 e3 RSP: 0018:ffff888222f5fa60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 8000000000000007 RCX: ffffffff818b840c RDX: 0000000000000000 RSI: ffffffff818b9d55 RDI: ffff888222f5fcc0 RBP: 0000000000000001 R08: 0000000000000000 R09: 000000000023ffff R10: 0000000000000006 R11: 0000000000000000 R12: 80000000a9a96007 R13: ffffea0002a6a580 R14: dffffc0000000000 R15: 00007f6df2fc3000 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_sys_exit kernel/exit.c:936 [inline] __se_sys_exit kernel/exit.c:934 [inline] __x64_sys_exit+0x3e/0x50 kernel/exit.c:934 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f6df41d55a9 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:00007f6df2748118 EFLAGS: 00000246 ORIG_RAX: 000000000000003c RAX: ffffffffffffffda RBX: 00007f6df42f5f80 RCX: 00007f6df41d55a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f6df42307b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffccb7fec6f R14: 00007f6df2748300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 26182 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:_raw_spin_unlock_irqrestore+0x71/0xe0 kernel/locking/spinlock.c:185 Code: 31 d8 01 00 74 64 48 89 df 57 9d 0f 1f 44 00 00 e8 94 5c 4e f9 bf 01 00 00 00 e8 fa 1b 28 f9 65 8b 05 73 8e e8 77 85 c0 74 39 <5b> 5d c3 e8 57 58 4e f9 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 RSP: 0018:ffff8880ba107b18 EFLAGS: 00000002 RAX: 0000000000000102 RBX: 0000000000000086 RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff88804c4289c8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880ba12b0c0 R14: ffff88804c428200 R15: ffff88804c4289c8 FS: 00007f3c4359d700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556754848 CR3: 000000003ffd5000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: try_to_wake_up+0x733/0x1050 kernel/sched/core.c:2056 wake_up_worker kernel/workqueue.c:839 [inline] insert_work+0x28b/0x360 kernel/workqueue.c:1312 __queue_work+0x5cd/0x1100 kernel/workqueue.c:1464 queue_work_on+0x17e/0x1f0 kernel/workqueue.c:1489 queue_work include/linux/workqueue.h:512 [inline] rxrpc_peer_keepalive_timeout net/rxrpc/net_ns.c:41 [inline] rxrpc_peer_keepalive_timeout+0x8d/0xc0 net/rxrpc/net_ns.c:35 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1724 [inline] RIP: 0010:vprintk_emit+0x668/0x740 kernel/printk/printk.c:1964 Code: 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 0f 85 d9 00 00 00 48 83 3d 9c a2 a3 08 00 74 37 e8 7d a5 14 00 48 89 df 57 9d <0f> 1f 44 00 00 e9 82 fe ff ff e8 69 a5 14 00 0f 0b e8 62 a5 14 00 RSP: 0018:ffff888214b86fd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 0000000000000246 RCX: ffffc9000b745000 RDX: 0000000000040000 RSI: ffffffff814ddff3 RDI: 0000000000000246 RBP: ffff888214b87010 R08: ffffffff8cd33108 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000040 R13: 1ffffffff13e3051 R14: 0000000000000200 R15: 0000000000000001 dev_vprintk_emit+0x2e3/0x640 drivers/base/core.c:3264 dev_printk_emit+0xbb/0xf0 drivers/base/core.c:3275 __dev_printk+0x108/0x260 drivers/base/core.c:3287 dev_printk+0xd1/0x110 drivers/base/core.c:3304 ieee80211_init_rate_ctrl_alg+0x3b5/0x740 net/mac80211/rate.c:979 ieee80211_register_hw+0x1736/0x3550 net/mac80211/main.c:1163 mac80211_hwsim_new_radio+0x1d3f/0x3c60 drivers/net/wireless/mac80211_hwsim.c:2896 hwsim_new_radio_nl+0x5c3/0x850 drivers/net/wireless/mac80211_hwsim.c:3374 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3c4502a5a9 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:00007f3c4359d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3c4514af80 RCX: 00007f3c4502a5a9 RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003 RBP: 00007f3c450857b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffac13674f R14: 00007f3c4359d300 R15: 0000000000022000