===================================================== BUG: KMSAN: uninit-value in snd_pcm_hw_rule_add+0x93a/0x1130 sound/core/pcm_lib.c:1153 snd_pcm_hw_rule_add+0x93a/0x1130 sound/core/pcm_lib.c:1153 snd_pcm_hw_constraints_init sound/core/pcm_native.c:2443 [inline] snd_pcm_open_substream+0x103e/0x36b0 sound/core/pcm_native.c:2670 snd_pcm_oss_open_file sound/core/oss/pcm_oss.c:2435 [inline] snd_pcm_oss_open+0x1f58/0x2e50 sound/core/oss/pcm_oss.c:2516 soundcore_open+0xb81/0xc90 sound/sound_core.c:593 chrdev_open+0xc71/0xe00 fs/char_dev.c:414 do_dentry_open+0x1193/0x1bd0 fs/open.c:822 vfs_open+0xaf/0xe0 fs/open.c:945 do_open fs/namei.c:3428 [inline] path_openat+0x53d7/0x5eb0 fs/namei.c:3561 do_filp_open+0x306/0x760 fs/namei.c:3588 do_sys_openat2+0x263/0x8f0 fs/open.c:1200 do_sys_open fs/open.c:1216 [inline] __do_sys_openat fs/open.c:1232 [inline] __se_sys_openat fs/open.c:1227 [inline] __x64_sys_openat+0x35f/0x3c0 fs/open.c:1227 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae Local variable sample.i created at: perf_log_itrace_start kernel/events/core.c:9069 [inline] event_sched_in+0x13d1/0x33e0 kernel/events/core.c:2557 group_sched_in kernel/events/core.c:2595 [inline] merge_sched_in kernel/events/core.c:3746 [inline] visit_groups_merge+0x28a8/0x7320 kernel/events/core.c:3696 ===================================================== Kernel panic - not syncing: panic_on_kmsan set ... CPU: 1 PID: 10573 Comm: syz-executor.2 Tainted: G B 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+0x1ff/0x28e lib/dump_stack.c:106 dump_stack+0x25/0x28 lib/dump_stack.c:113 panic+0x44f/0xdeb kernel/panic.c:232 kmsan_report+0x2e9/0x2f0 mm/kmsan/report.c:200 __msan_warning+0xb4/0x100 mm/kmsan/instrumentation.c:224 snd_pcm_hw_rule_add+0x93a/0x1130 sound/core/pcm_lib.c:1153 snd_pcm_hw_constraints_init sound/core/pcm_native.c:2443 [inline] snd_pcm_open_substream+0x103e/0x36b0 sound/core/pcm_native.c:2670 snd_pcm_oss_open_file sound/core/oss/pcm_oss.c:2435 [inline] snd_pcm_oss_open+0x1f58/0x2e50 sound/core/oss/pcm_oss.c:2516 soundcore_open+0xb81/0xc90 sound/sound_core.c:593 chrdev_open+0xc71/0xe00 fs/char_dev.c:414 do_dentry_open+0x1193/0x1bd0 fs/open.c:822 vfs_open+0xaf/0xe0 fs/open.c:945 do_open fs/namei.c:3428 [inline] path_openat+0x53d7/0x5eb0 fs/namei.c:3561 do_filp_open+0x306/0x760 fs/namei.c:3588 do_sys_openat2+0x263/0x8f0 fs/open.c:1200 do_sys_open fs/open.c:1216 [inline] __do_sys_openat fs/open.c:1232 [inline] __se_sys_openat fs/open.c:1227 [inline] __x64_sys_openat+0x35f/0x3c0 fs/open.c:1227 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7efeaf4b5ae9 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:00007efeaca2b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007efeaf5c8f60 RCX: 00007efeaf4b5ae9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007efeaf50ff25 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efeafafcb2f R14: 00007efeaca2b300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..