1 FILE: sound/core/oss/mulaw.c 2 3 INFO: rcu_sched detected stalls on CPUs/tasks: 4 (detected by 0, t=125002 jiffies, g=15654, c=15653, q=133) 5 All QSes seen, last rcu_sched kthread activity 125002 (4294863411-4294738409), jiffies_till_next_fqs=3, root ->qsmask 0x0 6 syz-executor1 R running task 24936 11943 3739 0x0000000c 7 Call Trace: 8 <IRQ> 9 sched_show_task+0x4a3/0x5e0 kernel/sched/core.c:5198 10 print_other_cpu_stall+0x996/0x1090 kernel/rcu/tree.c:1564 11 check_cpu_stall.isra.61+0x6e6/0x15b0 kernel/rcu/tree.c:1682 12 __rcu_pending kernel/rcu/tree.c:3440 [inline] 13 rcu_pending kernel/rcu/tree.c:3502 [inline] 14 rcu_check_callbacks+0x256/0xd00 kernel/rcu/tree.c:2842 15 update_process_times+0x30/0x60 kernel/time/timer.c:1628 16 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:162 17 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1194 18 __run_hrtimer kernel/time/hrtimer.c:1211 [inline] 19 __hrtimer_run_queues+0x358/0xe20 kernel/time/hrtimer.c:1275 20 hrtimer_interrupt+0x1c2/0x5e0 kernel/time/hrtimer.c:1309 21 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] 22 smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050 23 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:920 24 </IRQ> 25 RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:30 [inline] 26 RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] 27 RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] 28 RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] 29 RIP: 0010:check_memory_region+0x38/0x190 mm/kasan/kasan.c:267 30 RSP: 0000:ffff8801bd2ff868 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff11 31 RAX: ffff7fffffffffff RBX: ffffc9000160020b RCX: ffffffff841fceaf 32 RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffffc9000160020a 33 RBP: ffff8801bd2ff878 R08: ffffc9000160020a R09: dffffc0000000000 34 R10: 0000000000000001 R11: ffffed0037a5ff2e R12: ffffc9000160020a 35 R13: ffff8801bd2ff970 R14: dffffc0000000000 R15: ffffc9000160020a 36 memcpy+0x37/0x50 mm/kasan/kasan.c:303 37 memcpy include/linux/string.h:344 [inline] 38 cvt_s16_to_native sound/core/oss/mulaw.c:164 [inline] 39 mulaw_decode+0x52f/0x770 sound/core/oss/mulaw.c:195 40 mulaw_transfer+0x222/0x270 sound/core/oss/mulaw.c:273 41 snd_pcm_plug_write_transfer+0x22d/0x420 sound/core/oss/pcm_plugin.c:611 42 snd_pcm_oss_write2+0x260/0x420 sound/core/oss/pcm_oss.c:1311 43 snd_pcm_oss_write1 sound/core/oss/pcm_oss.c:1372 [inline] 44 snd_pcm_oss_write+0x5fe/0x830 sound/core/oss/pcm_oss.c:2646 45 __vfs_write+0xef/0x970 fs/read_write.c:480 46 vfs_write+0x189/0x510 fs/read_write.c:544 47 SYSC_write fs/read_write.c:589 [inline] 48 SyS_write+0xef/0x220 fs/read_write.c:581 49 entry_SYSCALL_64_fastpath+0x23/0x9a 50 RIP: 0033:0x452ac9 51 RSP: 002b:00007fa354a13c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 52 RAX: ffffffffffffffda RBX: cccccccccccccccd RCX: 0000000000452ac9 53 RDX: 00000000fffffeb2 RSI: 0000000020083fc6 RDI: 0000000000000014 54 RBP: 00000000000005b5 R08: 0000000000000000 R09: 0000000000000000 55 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f6998 56 R13: 00000000ffffffff R14: 00007fa354a146d4 R15: 0000000000000000 57
