MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended hrtimer: interrupt took 32418 ns rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=5397, q=134) rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4295018525-4295008022), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor891 R running task 24656 8153 8149 0x80000000 Call Trace: sched_show_task.cold+0x332/0x396 kernel/sched/core.c:5341 print_other_cpu_stall kernel/rcu/tree.c:1430 [inline] check_cpu_stall kernel/rcu/tree.c:1557 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0xb37/0xe19 kernel/rcu/tree.c:2682 update_process_times+0x2a/0xb0 kernel/time/timer.c:1650 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278 __run_hrtimer kernel/time/hrtimer.c:1401 [inline] __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__read_once_size_nocheck.constprop.0+0x3/0x10 include/linux/compiler.h:211 Code: 00 75 18 48 8b 43 48 5b 5d c3 e8 a8 9d 70 00 eb a8 48 89 ef e8 2e 9e 70 00 eb c4 48 89 ef e8 24 9e 70 00 eb de 66 90 48 8b 07 <48> 89 06 c3 66 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff8880b136e940 EFLAGS: 00000283 ORIG_RAX: ffffffffffffff13 RAX: ffffffff818356c5 RBX: 1ffff1101626dd2a RCX: 0000000000000000 RDX: ffff8880b136eb10 RSI: ffff8880b136e970 RDI: ffff8880b136f248 RBP: ffff8880b136f248 R08: ffffffff8b97f2d6 R09: ffffffff8b97f2d7 R10: 0000000000074071 R11: 0000000000000001 R12: ffff8880b136eac8 R13: ffff8880b136eb10 R14: ffff8880b1368000 R15: ffff8880b136eac8 deref_stack_reg arch/x86/kernel/unwind_orc.c:341 [inline] deref_stack_reg+0x134/0x1d0 arch/x86/kernel/unwind_orc.c:335 unwind_next_frame+0xec4/0x1c60 arch/x86/kernel/unwind_orc.c:509 __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 kmem_cache_alloc+0x122/0x370 mm/slab.c:3559 kmem_cache_zalloc include/linux/slab.h:699 [inline] alloc_buffer_head+0x20/0x130 fs/buffer.c:3388 alloc_page_buffers+0x169/0x5c0 fs/buffer.c:830 create_empty_buffers+0x2c/0x760 fs/buffer.c:1528 create_page_buffers+0x212/0x350 fs/buffer.c:1645 block_read_full_page+0xcf/0xd10 fs/buffer.c:2239 read_pages.isra.0+0x329/0x5d0 mm/readahead.c:133 __do_page_cache_readahead+0x5c6/0x6c0 mm/readahead.c:211 ra_submit mm/internal.h:66 [inline] ondemand_readahead.isra.0+0x575/0xd40 mm/readahead.c:493 page_cache_async_readahead mm/readahead.c:575 [inline] page_cache_async_readahead+0x406/0x750 mm/readahead.c:548 generic_file_buffered_read mm/filemap.c:2123 [inline] generic_file_read_iter+0x16ac/0x2b60 mm/filemap.c:2385 call_read_iter include/linux/fs.h:1815 [inline] new_sync_read fs/read_write.c:406 [inline] __vfs_read+0x518/0x750 fs/read_write.c:418 integrity_kernel_read+0x147/0x1f0 security/integrity/iint.c:200 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:364 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:393 [inline] ima_calc_file_hash+0x512/0x990 security/integrity/ima/ima_crypto.c:458 ima_collect_measurement+0x4c4/0x570 security/integrity/ima/ima_api.c:231 process_measurement+0xddd/0x1440 security/integrity/ima/ima_main.c:284 ima_file_check+0xb9/0x100 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3425 [inline] path_openat+0x7e4/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4456e9 Code: 5d cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd6321e1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004456e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 00000000006d0018 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000246 R12: 00000000004027a0 R13: 0000000000402830 R14: 0000000000000000 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10581 jiffies! g5397 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 29128 10 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1825 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415