rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (11311 ticks this GP) idle=72f/1/0x4000000000000000 softirq=163597/163599 fqs=4186 (t=10500 jiffies g=290193 q=12052) NMI backtrace for cpu 0 CPU: 0 PID: 25302 Comm: syz-executor.4 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x22d/0x390 kernel/rcu/tree_stall.h:343 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline] check_cpu_stall kernel/rcu/tree_stall.h:711 [inline] rcu_pending kernel/rcu/tree.c:3878 [inline] rcu_sched_clock_irq+0x1e33/0x2bc0 kernel/rcu/tree.c:2597 update_process_times+0x197/0x200 kernel/time/timer.c:1785 tick_sched_handle kernel/time/tick-sched.c:226 [inline] tick_sched_timer+0x27d/0x420 kernel/time/tick-sched.c:1421 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x84/0x2f0 mm/kasan/generic.c:189 Code: df 4d 01 ea 4d 89 d6 4d 29 ce 49 83 fe 10 7f 30 4d 85 f6 0f 84 ae 01 00 00 4c 89 cb 4c 29 d3 0f 1f 80 00 00 00 00 45 0f b6 19 <45> 84 db 0f 85 f3 01 00 00 49 ff c1 48 ff c3 75 eb e9 87 01 00 00 RSP: 0018:ffffc9000bcf7ac8 EFLAGS: 00000297 RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff81b1a044 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0000c2b640 RBP: 1ffffd40001856c9 R08: dffffc0000000000 R09: fffff940001856c8 R10: fffff940001856c9 R11: 0000000000000000 R12: 1ffffd40001856c8 R13: dffffc0000000001 R14: 0000000000000001 R15: ffffea0000c2b640 instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] folio_test_lru include/linux/page-flags.h:425 [inline] folio_add_lru+0xd4/0x5d0 mm/swap.c:462 filemap_add_folio+0x1fb/0x2b0 mm/filemap.c:1006 page_cache_ra_unbounded+0x449/0x9f0 mm/readahead.c:221 do_page_cache_ra mm/readahead.c:268 [inline] force_page_cache_ra+0x2f6/0x360 mm/readahead.c:300 force_page_cache_readahead mm/internal.h:89 [inline] generic_fadvise+0x4e6/0x810 mm/fadvise.c:107 vfs_fadvise mm/fadvise.c:186 [inline] ksys_fadvise64_64 mm/fadvise.c:200 [inline] __do_sys_fadvise64 mm/fadvise.c:215 [inline] __se_sys_fadvise64 mm/fadvise.c:213 [inline] __x64_sys_fadvise64+0x138/0x180 mm/fadvise.c:213 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fd109bb9ae9 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:00007fd10712f188 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd RAX: ffffffffffffffda RBX: 00007fd109cccf60 RCX: 00007fd109bb9ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fd109c13f25 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc24bef11f R14: 00007fd10712f300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 4d 01 ea add %r13,%r10 3: 4d 89 d6 mov %r10,%r14 6: 4d 29 ce sub %r9,%r14 9: 49 83 fe 10 cmp $0x10,%r14 d: 7f 30 jg 0x3f f: 4d 85 f6 test %r14,%r14 12: 0f 84 ae 01 00 00 je 0x1c6 18: 4c 89 cb mov %r9,%rbx 1b: 4c 29 d3 sub %r10,%rbx 1e: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 25: 45 0f b6 19 movzbl (%r9),%r11d * 29: 45 84 db test %r11b,%r11b <-- trapping instruction 2c: 0f 85 f3 01 00 00 jne 0x225 32: 49 ff c1 inc %r9 35: 48 ff c3 inc %rbx 38: 75 eb jne 0x25 3a: e9 87 01 00 00 jmpq 0x1c6