snd_aloop snd_aloop.0: Parsing timer source '' failed with -22 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12554 at kernel/trace/trace.c:8594 tracing_buffers_mmap_close kernel/trace/trace.c:8594 [inline] WARNING: CPU: 0 PID: 12554 at kernel/trace/trace.c:8594 tracing_buffers_mmap_close+0xdd/0x130 kernel/trace/trace.c:8589 Modules linked in: CPU: 0 UID: 0 PID: 12554 Comm: syz.3.1502 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:tracing_buffers_mmap_close kernel/trace/trace.c:8594 [inline] RIP: 0010:tracing_buffers_mmap_close+0xdd/0x130 kernel/trace/trace.c:8589 Code: 75 46 48 8b 7b 08 e8 02 96 ff ff 31 ff 89 c3 89 c6 e8 e7 58 fb ff 85 db 75 0a 48 83 c4 08 5b e9 99 5d fb ff e8 94 5d fb ff 90 <0f> 0b 90 48 83 c4 08 5b e9 86 5d fb ff e8 31 bb 60 00 eb 87 e8 5a RSP: 0018:ffffc900171ff990 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000ffffffed RCX: ffffffff81bfaae9 RDX: ffff8880579c0000 RSI: ffffffff81bfaafc RDI: 0000000000000005 RBP: ffffffff81bfaa20 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffed R11: 0000000000000000 R12: ffff8880760f3b88 R13: dffffc0000000000 R14: ffffc900171ffa28 R15: 0000000000100000 FS: 0000000000000000(0000) GS:ffff8881246c3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000690ca000 CR4: 00000000003526f0 Call Trace: vma_close mm/internal.h:190 [inline] remove_vma+0x85/0x160 mm/vma.c:464 exit_mmap+0x511/0xb90 mm/mmap.c:1305 __mmput+0x12a/0x410 kernel/fork.c:1130 mmput+0x62/0x70 kernel/fork.c:1152 exit_mm kernel/exit.c:582 [inline] do_exit+0x7c7/0x2bf0 kernel/exit.c:949 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102 get_signal+0x2673/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x3f6/0x490 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f084e98ebe9 Code: Unable to access opcode bytes at 0x7f084e98ebbf. RSP: 002b:00007f084f7ae038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: 0000000000000000 RBX: 00007f084ebb5fa0 RCX: 00007f084e98ebe9 RDX: 0000000000000ffb RSI: 0000000000810004 RDI: 0000000000000000 RBP: 00007f084ea11e19 R08: 0000000000000003 R09: 0000000000008000 R10: 0008000000008012 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f084ebb6038 R14: 00007f084ebb5fa0 R15: 00007ffc3d385f38