watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:24653] Modules linked in: irq event stamp: 3097297 hardirqs last enabled at (3097296): [] slab_alloc_node mm/slab.c:3334 [inline] hardirqs last enabled at (3097296): [] kmem_cache_alloc_node_trace+0x2da/0x3b0 mm/slab.c:3666 hardirqs last disabled at (3097297): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3094852): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3094855): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3094855): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 24653 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:kasan_slab_alloc+0x0/0x10 mm/kasan/kasan.c:489 Code: 00 48 01 f0 c3 0f 1f 44 00 00 f6 47 23 08 75 01 c3 48 63 bf f8 00 00 00 ba 10 00 00 00 48 01 f7 31 f6 e9 a3 50 59 06 0f 1f 00 <89> d1 48 63 57 74 e9 a5 f8 ff ff 0f 1f 44 00 00 b9 01 00 00 00 e9 RSP: 0018:ffff8880ba007b18 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000490220 RCX: 1ffff1100bf439cd RDX: 0000000000490220 RSI: ffff88804ab565c0 RDI: ffff88813bff0940 RBP: 0000000000490220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804ab565c0 R13: ffff88813bff0940 R14: 0000000000000200 R15: ffff88813bff0940 FS: 00007fb3fcff4700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f89e3a7ca63 CR3: 000000009582d000 CR4: 00000000003426f0 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 __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:__sanitizer_cov_trace_pc+0x22/0x50 kernel/kcov.c:101 Code: 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b 8b 90 60 13 00 00 <83> fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 RSP: 0018:ffff8882346e7768 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88805fa1c5c0 RBX: 00007fb3fd9f6000 RCX: ffffffff818b9c86 RDX: 0000000000000000 RSI: ffffffff818b9694 RDI: 0000000000000006 RBP: ffffea0002c931f0 R08: 0000000000000000 R09: 00007fb3fd9f6000 R10: 0000000000000006 R11: 0000000000000000 R12: dead000000000100 R13: ffffea0002c931c0 R14: dffffc0000000000 R15: 00007fb3fd9aa000 zap_pte_range mm/memory.c:1316 [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+0xa94/0x2c50 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: 0033:0x7fb3fe6815f9 Code: Bad RIP value. RSP: 002b:00007fb3fcff4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000021 RAX: 0000000000000007 RBX: 00007fb3fe7a1f80 RCX: 00007fb3fe6815f9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000005 RBP: 00007fb3fe6dc7b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe4136edbf R14: 00007fb3fcff4300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 24663 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:native_apic_mem_write+0x8/0x10 arch/x86/include/asm/apic.h:109 Code: 3d cc 17 3d 0b 01 7f 02 5d c3 89 ef 5d e9 f5 fe c9 06 48 c7 c7 00 97 65 8c e8 84 e2 6f 00 eb df 66 90 89 ff 89 b7 00 c0 5f ff 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48 RSP: 0018:ffff8880ba107518 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffffff89cfb1a0 RCX: 0000000000000020 RDX: 1ffffffff139f636 RSI: 0000000000000127 RDI: 0000000000000380 RBP: ffff8880ba11e2c0 R08: ffffffff8c665058 R09: 0000000000000000 R10: 0000000000000007 R11: ffffffff8c66505b R12: 0000000000000127 R13: 0000000000000000 R14: ffff8880ba124cc0 R15: ffff8880ba124d30 FS: 00007f0b94708700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f950bcd63be CR3: 0000000023380000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: apic_write arch/x86/include/asm/apic.h:389 [inline] lapic_next_event+0x4d/0x80 arch/x86/kernel/apic/apic.c:460 clockevents_program_event+0x234/0x350 kernel/time/clockevents.c:344 tick_program_event+0xac/0x140 kernel/time/tick-oneshot.c:48 hrtimer_interrupt+0x40a/0x9e0 kernel/time/hrtimer.c:1598 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:unwind_next_frame+0xa8b/0x1400 arch/x86/kernel/unwind_orc.c:511 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5c 09 00 00 4c 89 ea 49 c7 46 58 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 e5 08 00 00 RSP: 0018:ffff8880ba107730 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff11017420eef RCX: 0000000000000000 RDX: 1ffff11017420f12 RSI: ffff8880ba1076c0 RDI: ffff8880ba1078b8 RBP: 0000000000000002 R08: ffffffff8b912368 R09: ffffffff8b912364 R10: ffff8880ba1078bf R11: 0000000000074071 R12: ffff8880ba107fc8 R13: ffff8880ba107895 R14: ffff8880ba107860 R15: ffffffff8b912364 __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 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node+0x133/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 __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:__tlb_remove_page_size+0xfd/0x470 mm/memory.c:316 Code: 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e e0 02 00 00 48 b8 00 00 00 00 00 fc ff df 44 8b 65 08 4a 8d 7c e5 10 <45> 8d 6c 24 01 48 89 fa 48 c1 ea 03 44 89 6d 08 80 3c 02 00 0f 85 RSP: 0018:ffff88822fd4f738 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff88822fd4f9b0 RCX: ffffffff818b3334 RDX: 1ffff11012ac2401 RSI: ffffffff818b3342 RDI: ffff8880956127d0 RBP: ffff888095612000 R08: 0000000000000000 R09: 0000000000001000 R10: 0000000000000004 R11: 0000000000000000 R12: 00000000000000f8 R13: ffffea0002adc380 R14: ffffea0002adc380 R15: ffff88822fd4f9d8 __tlb_remove_page include/asm-generic/tlb.h:161 [inline] zap_pte_range mm/memory.c:1353 [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+0x14e7/0x2c50 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: 0033:0x7f0b95d955f9 Code: Bad RIP value. RSP: 002b:00007f0b94708168 EFLAGS: 00000246 ORIG_RAX: 0000000000000021 RAX: 0000000000000005 RBX: 00007f0b95eb5f80 RCX: 00007f0b95d955f9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000003 RBP: 00007f0b95df07b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcb3969e5f R14: 00007f0b94708300 R15: 0000000000022000