watchdog: BUG: soft lockup - CPU#0 stuck for 205s! [kworker/u4:1:10]
Modules linked in:
CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 6.1.78-syzkaller-00038-g74a3c59c8087 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: writeback wb_workfn (flush-8:0)
RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline]
RIP: 0010:smp_call_function_many_cond+0x851/0x930 kernel/smp.c:998
Code: 3e 44 89 fe 83 e6 01 31 ff e8 4b 9f 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 86 9b 09 00 e9 2f ff ff ff f3 90 <42> 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff
RSP: 0018:ffffc900000a64e0 EFLAGS: 00000293
RAX: ffffffff816be17c RBX: 1ffff1103ee27705 RCX: ffff888100383cc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900000a65e8 R08: ffffffff816be145 R09: ffffed103ee0707b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000800000000 R14: ffff8881f713b828 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010f06f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166
 native_flush_tlb_multi+0x143/0x210
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:87 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:924 [inline]
 flush_tlb_mm_range+0x298/0x360 arch/x86/mm/tlb.c:1010
 flush_tlb_page arch/x86/include/asm/tlbflush.h:240 [inline]
 ptep_clear_flush+0x115/0x150 mm/pgtable-generic.c:98
 page_vma_mkclean_one+0x4be/0x780 mm/rmap.c:999
 page_mkclean_one+0x238/0x2f0 mm/rmap.c:1047
 rmap_walk_file+0x42a/0x670 mm/rmap.c:2542
 rmap_walk mm/rmap.c:2560 [inline]
 folio_mkclean+0x1f9/0x2e0 mm/rmap.c:1079
 folio_clear_dirty_for_io+0x12b/0x5d0 mm/page-writeback.c:2867
 clear_page_dirty_for_io+0x5c/0x70 mm/folio-compat.c:74
 mpage_submit_page+0x98/0x230 fs/ext4/inode.c:2111
 mpage_process_page_bufs+0x6d2/0x8c0 fs/ext4/inode.c:2245
 mpage_prepare_extent_to_map+0xa09/0xda0 fs/ext4/inode.c:2670
 ext4_writepages+0xd6b/0x3fd0 fs/ext4/inode.c:2798
 do_writepages+0x385/0x620 mm/page-writeback.c:2472
 __writeback_single_inode+0xdc/0xb80 fs/fs-writeback.c:1612
 writeback_sb_inodes+0xb32/0x1910 fs/fs-writeback.c:1903
 __writeback_inodes_wb+0x118/0x3f0 fs/fs-writeback.c:1974
 wb_writeback+0x3cd/0x9f0 fs/fs-writeback.c:2079
 wb_check_old_data_flush fs/fs-writeback.c:2179 [inline]
 wb_do_writeback fs/fs-writeback.c:2232 [inline]
 wb_workfn+0xaf9/0x1030 fs/fs-writeback.c:2260
 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299
 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
 kthread+0x26d/0x300 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2892 Comm: syz.4.1118 Not tainted 6.1.78-syzkaller-00038-g74a3c59c8087 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline]
RIP: 0010:kvm_wait+0x117/0x180 arch/x86/kernel/kvm.c:1058
Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d 0a 13 31 04 f4 <e9> 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b
RSP: 0018:ffffc900082a7140 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92001054e2c RCX: ffffffff85008f6c
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffffc9000b4fd080
RBP: ffffc900082a71f0 R08: dffffc0000000000 R09: fffff5200169fa11
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc9000b4fd080 R14: 0000000000000003 R15: 1ffff92001054e30
FS:  00007f96c494c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000012e1a0000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6de/0xda0 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:186 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162
 __bpf_ringbuf_reserve+0x1c5/0x3d0 kernel/bpf/ringbuf.c:410
 ____bpf_ringbuf_output kernel/bpf/ringbuf.c:520 [inline]
 bpf_ringbuf_output+0x66/0x1f0 kernel/bpf/ringbuf.c:510
 bpf_prog_a3e2825f60354855+0x3d/0x41
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:600 [inline]
 bpf_prog_run include/linux/filter.h:607 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline]
 bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2314
 __bpf_trace_contention_end+0xb/0x10 include/trace/events/lock.h:122
 trace_contention_end include/trace/events/lock.h:122 [inline]
 __pv_queued_spin_lock_slowpath+0xd59/0xda0 kernel/locking/qspinlock.c:560
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:186 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162
 __bpf_ringbuf_reserve+0x1c5/0x3d0 kernel/bpf/ringbuf.c:410
 ____bpf_ringbuf_output kernel/bpf/ringbuf.c:520 [inline]
 bpf_ringbuf_output+0x66/0x1f0 kernel/bpf/ringbuf.c:510
 bpf_prog_a3e2825f60354855+0x3d/0x41
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:600 [inline]
 bpf_prog_run include/linux/filter.h:607 [inline]
 bpf_test_run+0x4ab/0xa40 net/bpf/test_run.c:402
 bpf_prog_test_run_skb+0xaf1/0x13a0 net/bpf/test_run.c:1180
 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3650
 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:5005
 __do_sys_bpf kernel/bpf/syscall.c:5091 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5089 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5089
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f96c3b75b29
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f96c494c048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f96c3d03fa0 RCX: 00007f96c3b75b29
RDX: 0000000000000050 RSI: 0000000020000000 RDI: 000000000000000a
RBP: 00007f96c3bf6756 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f96c3d03fa0 R15: 00007ffd5304cc78
 </TASK>