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BUG: KMSAN: uninit-value in __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline]
BUG: KMSAN: uninit-value in __fswab32 include/uapi/linux/swab.h:59 [inline]
BUG: KMSAN: uninit-value in do_convert sound/core/oss/linear.c:50 [inline]
BUG: KMSAN: uninit-value in convert sound/core/oss/linear.c:81 [inline]
BUG: KMSAN: uninit-value in linear_transfer+0xa1b/0xc50 sound/core/oss/linear.c:110
CPU: 0 PID: 12228 Comm: syz-executor.5 Not tainted 5.0.0+ #11
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x173/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x12e/0x2a0 mm/kmsan/kmsan.c:600
 __msan_warning+0x82/0xf0 mm/kmsan/kmsan_instr.c:313
 __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline]
 __fswab32 include/uapi/linux/swab.h:59 [inline]
 do_convert sound/core/oss/linear.c:50 [inline]
 convert sound/core/oss/linear.c:81 [inline]
 linear_transfer+0xa1b/0xc50 sound/core/oss/linear.c:110
 snd_pcm_plug_read_transfer+0x3bf/0x590 sound/core/oss/pcm_plugin.c:651
 snd_pcm_oss_read2 sound/core/oss/pcm_oss.c:1480 [inline]
 snd_pcm_oss_read1 sound/core/oss/pcm_oss.c:1518 [inline]
 snd_pcm_oss_read+0xa4a/0x1960 sound/core/oss/pcm_oss.c:2758
 do_loop_readv_writev fs/read_write.c:700 [inline]
 do_iter_read+0x8e0/0xe10 fs/read_write.c:921
 vfs_readv fs/read_write.c:983 [inline]
 do_readv+0x2a7/0x620 fs/read_write.c:1016
 __do_sys_readv fs/read_write.c:1103 [inline]
 __se_sys_readv+0x9b/0xb0 fs/read_write.c:1100
 __x64_sys_readv+0x4a/0x70 fs/read_write.c:1100
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457f29
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f24f4953c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f29
RDX: 0000000000000001 RSI: 0000000020000640 RDI: 0000000000000003
RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f24f49546d4
R13: 00000000004c4a4f R14: 00000000004d8610 R15: 00000000ffffffff

Uninit was created at:
No stack
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