watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.0:11183] Modules linked in: irq event stamp: 2065334 hardirqs last enabled at (2065333): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2065334): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (39974): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (39175): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (39175): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 11183 Comm: syz-executor.0 Not tainted 4.19.188-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:435 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x3a6/0xae0 kernel/locking/qspinlock.c:474 Code: eb c6 45 01 01 41 bc 00 80 00 00 48 c1 e9 03 83 e3 07 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 2c 01 eb 0c f3 90 <41> 83 ec 01 0f 84 38 04 00 00 41 0f b6 45 00 38 d8 7f 08 84 c0 0f RSP: 0018:ffff88806606f980 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff140418c RDX: 0000000000000001 RSI: ffffffff81678675 RDI: 0000000000000286 RBP: ffffffff8a020c60 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000002aff R13: fffffbfff140418c R14: 0000000000000001 R15: ffff8880ba12bd80 FS: 00007fc97b340700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005569939262e8 CR3: 00000000a55b1000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:679 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:53 [inline] queued_spin_lock include/asm-generic/qspinlock.h:88 [inline] do_raw_spin_lock+0x189/0x220 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:329 [inline] gather_surplus_pages mm/hugetlb.c:1833 [inline] hugetlb_acct_memory+0x997/0xba0 mm/hugetlb.c:3153 hugetlb_reserve_pages+0x47f/0x650 mm/hugetlb.c:4581 hugetlbfs_file_mmap+0x2e4/0x4a0 fs/hugetlbfs/inode.c:164 call_mmap include/linux/fs.h:1826 [inline] mmap_region+0xc94/0x16b0 mm/mmap.c:1757 do_mmap+0x8e8/0x1080 mm/mmap.c:1530 do_mmap_pgoff include/linux/mm.h:2326 [inline] vm_mmap_pgoff+0x197/0x200 mm/util.c:357 ksys_mmap_pgoff+0x298/0x5a0 mm/mmap.c:1580 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc97b340188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000002000006 RSI: 0000000000400017 RDI: 0000000020200000 RBP: 00000000004bf9fb R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000002012 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffe48e2849f R14: 00007fc97b340300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 11182 Comm: syz-executor.1 Not tainted 4.19.188-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lock_release+0x81/0x8b0 kernel/locking/lockdep.c:3919 Code: 02 f1 f1 f1 f1 c7 42 04 04 f3 f3 f3 48 89 fa 65 48 8b 34 25 28 00 00 00 48 89 74 24 70 31 f6 48 c1 ea 03 0f b6 14 02 48 89 f8 <83> e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d0 05 00 00 44 8b 93 84 RSP: 0018:ffff8880ba0074a0 EFLAGS: 00000807 RAX: ffff88808f4ee984 RBX: ffff88808f4ee100 RCX: ffffffff814bbe1b RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808f4ee984 RBP: ffffffff8d375020 R08: 0000000000000086 R09: fffffbfff1a6ea01 R10: ffffffff8d37500b R11: ffffffff8c66301b R12: 1ffff11017400e97 R13: ffffffff8376e299 R14: ffff8880a3168398 R15: ffffffff8d375008 FS: 00007ff701cdd700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3072c000 CR3: 00000000aa236000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline] _raw_spin_unlock_irqrestore+0x1b/0xe0 kernel/locking/spinlock.c:184 debug_object_deactivate lib/debugobjects.c:568 [inline] debug_object_deactivate+0x1f9/0x2e0 lib/debugobjects.c:529 debug_hrtimer_deactivate kernel/time/hrtimer.c:421 [inline] debug_deactivate kernel/time/hrtimer.c:471 [inline] __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x1bc/0xe60 kernel/time/hrtimer.c:1481 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1539 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:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:97 Code: ff 48 89 df e8 61 c1 35 00 e9 ab fe ff ff 4c 89 ef e8 54 c1 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 34 24 65 48 8b 04 25 80 df 01 00 65 8b 15 3c 81 9f 7e 81 e2 RSP: 0018:ffff8880ba007908 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13f10aa RBX: 000000000002be00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff89f88550 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffed1017404552 R10: ffff8880ba022a93 R11: 0000000000000000 R12: ffffffff89f88180 R13: dffffc0000000000 R14: 0000000000000060 R15: ffff8880ba007d98 debug_smp_processor_id+0x5/0x20 lib/smp_processor_id.c:56 rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1078 [inline] rcu_lockdep_current_cpu_online+0xb2/0x1b0 kernel/rcu/tree.c:1068 rcu_read_lock_held+0xc3/0x110 kernel/rcu/update.c:285 ieee80211_rx_h_decrypt net/mac80211/rx.c:1890 [inline] ieee80211_rx_handlers+0x3a7a/0xa630 net/mac80211/rx.c:3595 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3645 [inline] ieee80211_prepare_and_rx_handle+0x23ed/0x6780 net/mac80211/rx.c:4342 __ieee80211_rx_handle_packet net/mac80211/rx.c:4402 [inline] ieee80211_rx_napi+0x108d/0x2470 net/mac80211/rx.c:4591 ieee80211_rx include/net/mac80211.h:4109 [inline] ieee80211_tasklet_handler+0x101/0x160 net/mac80211/main.c:229 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:535 [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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 48 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d ac 9f d9 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 6b 5a e8 f8 eb c0 0f 0b 0f 0b 48 c7 c7 48 RSP: 0018:ffff88806577f860 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3049 RBX: 0000000000000286 RCX: 1ffff11011e9dd3f RDX: dffffc0000000000 RSI: ffff88808f4ee9d8 RDI: 0000000000000286 RBP: ffffffff8d3b15c8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dead000000000200 R13: ffff88805ce00000 R14: 0000000000000002 R15: dffffc0000000000 __debug_check_no_obj_freed lib/debugobjects.c:798 [inline] debug_check_no_obj_freed+0x201/0x490 lib/debugobjects.c:817 free_pages_prepare mm/page_alloc.c:1056 [inline] __free_pages_ok+0x22d/0xd30 mm/page_alloc.c:1279 update_and_free_page+0x839/0xb70 mm/hugetlb.c:1195 free_huge_page+0xa5b/0xd20 mm/hugetlb.c:1304 __put_page+0xe2/0x3a0 mm/swap.c:112 put_page include/linux/mm.h:963 [inline] alloc_surplus_huge_page+0x3ff/0x4e0 mm/hugetlb.c:1637 gather_surplus_pages mm/hugetlb.c:1775 [inline] hugetlb_acct_memory+0x1e7/0xba0 mm/hugetlb.c:3153 hugetlb_reserve_pages+0x47f/0x650 mm/hugetlb.c:4581 hugetlbfs_file_mmap+0x2e4/0x4a0 fs/hugetlbfs/inode.c:164 call_mmap include/linux/fs.h:1826 [inline] mmap_region+0xc94/0x16b0 mm/mmap.c:1757 do_mmap+0x8e8/0x1080 mm/mmap.c:1530 do_mmap_pgoff include/linux/mm.h:2326 [inline] vm_mmap_pgoff+0x197/0x200 mm/util.c:357 ksys_mmap_pgoff+0x298/0x5a0 mm/mmap.c:1580 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff701cdd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000002000006 RSI: 0000000000400017 RDI: 0000000020200000 RBP: 00000000004bf9fb R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000002012 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fff8ad1dc1f R14: 00007ff701cdd300 R15: 0000000000022000