watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:10929]
Modules linked in:
irq event stamp: 51923
hardirqs last  enabled at (51922): [<ffff80008a52df14>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (51922): [<ffff80008a52df14>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (51923): [<ffff80008a443ea4>] __el1_irq arch/arm64/kernel/entry-common.c:470 [inline]
hardirqs last disabled at (51923): [<ffff80008a443ea4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (8796): [<ffff8000800218ec>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (8796): [<ffff8000800218ec>] __do_softirq+0xac0/0xd54 kernel/softirq.c:600
softirqs last disabled at (9461): [<ffff80008002b660>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
CPU: 0 PID: 10929 Comm: syz-executor.2 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_kcov_mode kernel/kcov.c:173 [inline]
pc : write_comp_data kernel/kcov.c:236 [inline]
pc : __sanitizer_cov_trace_const_cmp8+0x40/0x90 kernel/kcov.c:311
lr : pie_calculate_probability+0x374/0x7bc
sp : ffff800080007b30
x29: ffff800080007b70 x28: 00051eb851eb851e x27: fffffff0a3da8872
x26: 0000000000000000 x25: ffff8000aad12b00 x24: 1ffff000155a2560
x23: 1fffe00018ef8760 x22: ffff0000c77c3b00 x21: 0000000000000000
x20: 1ffff000155a2560 x19: 0000000000000000 x18: dfff800000000000
x17: 00000000614d0ca4 x16: ffff80008050b724 x15: 00000000363e9a06
x14: 1ffff00011bde0ac x13: dfff800000000000 x12: ffff700010000f60
x11: 0000000000000102 x10: 0000000000000100 x9 : 0000000000000000
x8 : ffff000129c48000 x7 : ffff80008897cee0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008032a638
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0019999999999998
Call trace:
 check_kcov_mode kernel/kcov.c:173 [inline]
 write_comp_data kernel/kcov.c:236 [inline]
 __sanitizer_cov_trace_const_cmp8+0x40/0x90 kernel/kcov.c:311
 fq_pie_timer+0x1f0/0x41c net/sched/sch_fq_pie.c:387
 call_timer_fn+0x19c/0x8cc kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x55c/0x734 kernel/time/timer.c:2022
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035
 __do_softirq+0x2d0/0xd54 kernel/softirq.c:571
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:882
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:650
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:662
 __el1_irq arch/arm64/kernel/entry-common.c:474 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:488
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:493
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 write_comp_data kernel/kcov.c:259 [inline]
 __sanitizer_cov_trace_const_cmp8+0x84/0x90 kernel/kcov.c:311
 folios_put include/linux/mm.h:1486 [inline]
 folio_batch_move_lru+0x3e4/0x4cc mm/swap.c:224
 lru_add_drain_cpu+0xb8/0x4b0 mm/swap.c:652
 lru_add_drain+0x8c/0x168 mm/swap.c:752
 faultin_vma_page_range+0x1e8/0x27c mm/gup.c:1603
 madvise_populate mm/madvise.c:917 [inline]
 madvise_vma_behavior mm/madvise.c:1026 [inline]
 madvise_walk_vmas mm/madvise.c:1248 [inline]
 do_madvise+0x1318/0x3120 mm/madvise.c:1428
 __do_sys_madvise mm/madvise.c:1441 [inline]
 __se_sys_madvise mm/madvise.c:1439 [inline]
 __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1439
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191
 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591