watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.1:486] Modules linked in: irq event stamp: 3810193 hardirqs last enabled at (3810192): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3810193): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3797234): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3797237): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3797237): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 486 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:jhash2 include/linux/jhash.h:129 [inline] RIP: 0010:hash_stack lib/stackdepot.c:165 [inline] RIP: 0010:depot_save_stack+0x5f/0x410 lib/stackdepot.c:234 Code: fe 49 8b 4c 24 08 48 8d 04 36 44 8d 14 85 7b 71 f5 75 83 f8 03 41 89 c1 0f 86 51 02 00 00 44 89 d3 44 89 d0 48 89 ca 03 5a 08 <41> 83 e9 03 48 83 c2 0c 44 03 52 f4 03 42 f8 41 29 da 44 89 d5 41 RSP: 0018:ffff8880ba107918 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000075f571d3 RBX: 00000000fc660a84 RCX: ffff8880ba107978 RDX: ffff8880ba107978 RSI: 000000000000000b RDI: 000000000000000b RBP: ffff888035aa8528 R08: 0000000000480020 R09: 0000000000000016 R10: 0000000075f571d3 R11: 0000000000074071 R12: ffff8880ba107960 R13: 0000000000000000 R14: ffff88823b33a540 R15: 00000000000000e8 FS: 00007fbec3281700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f90f2e61000 CR3: 0000000096ee3000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: save_stack mm/kasan/kasan.c:454 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0x139/0x160 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 alloc_skb include/linux/skbuff.h:995 [inline] nlmsg_new include/net/netlink.h:511 [inline] genlmsg_new include/net/genetlink.h:346 [inline] mac80211_hwsim_tx_frame_nl+0x23e/0x1230 drivers/net/wireless/mac80211_hwsim.c:1083 mac80211_hwsim_tx_frame+0x159/0x210 drivers/net/wireless/mac80211_hwsim.c:1554 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:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101 Code: 90 90 90 90 90 90 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 RSP: 0018:ffff8880333376c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88804b6c8680 RBX: dffffc0000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff818b82a1 RDI: ffff888090f40528 RBP: 1ffff11006666edb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 80000000a3068007 R13: ffff888090f40528 R14: 00007fbec3e1b000 R15: 00007fbec3e1c000 _vm_normal_page+0x71/0x510 mm/memory.c:832 zap_pte_range mm/memory.c:1323 [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+0x1141/0x2c50 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: 0033:0x7fbec490d669 Code: Bad RIP value. RSP: 002b:00007fbec3281168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 0000000000000084 RBX: 00007fbec4a2ef80 RCX: 00007fbec490d669 RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000008 RBP: 00007fbec4968560 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe73968c8f R14: 00007fbec3281300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 484 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:debug_lockdep_rcu_enabled kernel/rcu/update.c:253 [inline] RIP: 0010:rcu_read_lock_sched_held+0x30/0x1d0 kernel/rcu/update.c:111 Code: 8b 55 48 ba 00 00 00 00 00 fc ff df 48 89 c1 53 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 46 01 00 00 <8b> 35 ae 2e d6 09 85 f6 74 3b 48 c7 c3 60 f1 45 8a 48 b8 00 00 00 RSP: 0018:ffff8880ba007558 EFLAGS: 00000046 RAX: 0000000000000007 RBX: ffff8880ba024cc0 RCX: 1ffffffff164dc08 RDX: 0000000000000000 RSI: ffffffff81543802 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff8c66501b R12: 0000000000010101 R13: ffff888055794658 R14: ffff8880ba024d40 R15: dffffc0000000000 FS: 00007f739a06a700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30526000 CR3: 00000000af713000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_hrtimer_expire_entry include/trace/events/timer.h:228 [inline] __run_hrtimer kernel/time/hrtimer.c:1464 [inline] __hrtimer_run_queues+0xc67/0xe60 kernel/time/hrtimer.c:1527 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585 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:kernel_text_address+0x0/0xf0 kernel/extable.c:123 Code: ce 66 0f 1f 84 00 00 00 00 00 31 c0 48 81 ff 00 00 e0 89 72 0c 31 c0 48 81 ff 80 d4 28 8b 0f 92 c0 c3 0f 1f 84 00 00 00 00 00 <55> 48 89 fd 48 83 ec 08 48 81 ff 00 00 00 81 72 09 48 81 ff 00 70 RSP: 0018:ffff8880ba007820 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffffffff84a7536f RCX: 0000000000000000 RDX: 1ffff11017400f15 RSI: ffff8880ba0076c0 RDI: ffffffff84a7536f RBP: ffff8880ba0078a8 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba0078bf R11: 0000000000074071 R12: ffff8880ba0078f8 R13: 0000000000000000 R14: ffff88823b33a540 R15: 00000000000000e8 __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+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:_vm_normal_page+0x1d0/0x510 mm/memory.c:896 Code: 00 02 00 00 48 c1 eb 18 89 c6 89 44 24 08 e8 f7 02 d7 ff 8b 44 24 08 85 c0 75 6b e8 7a 01 d7 ff 48 8b 05 f3 64 9b 09 48 89 de <48> 89 c7 48 89 04 24 e8 74 02 d7 ff 48 8b 04 24 48 39 d8 0f 83 2e RSP: 0018:ffff8880333276c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: 000000000023ffff RBX: 000000000004cf74 RCX: ffffffff818b83e9 RDX: 0000000000000000 RSI: 000000000004cf74 RDI: 0000000000000005 RBP: 1ffff11006664edb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 800000004cf74007 R13: ffff8880b2eb6148 R14: 00007f739a963000 R15: ffff8880333276f8 zap_pte_range mm/memory.c:1323 [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+0x1141/0x2c50 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: 0033:0x7f739b6f6669 Code: Bad RIP value. RSP: 002b:00007f739a06a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: 0000000000000070 RBX: 00007f739b817f80 RCX: 00007f739b6f6669 RDX: 0400000000000070 RSI: 0000000020007fc0 RDI: 0000000000000006 RBP: 00007f739b751560 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe399097cf R14: 00007f739a06a300 R15: 0000000000022000