WARNING: CPU: 1 PID: 15722 at mm/util.c:590 kvmalloc_node+0xf5/0x100 mm/util.c:590 Modules linked in: CPU: 0 PID: 15722 Comm: syz-executor.3 Not tainted 5.17.0-rc4-syzkaller-00020-g705d84a366cf #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:kvmalloc_node+0xf5/0x100 mm/util.c:590 Code: 01 00 00 00 48 89 ef e8 b9 0a 0d 00 49 89 c5 e9 62 ff ff ff e8 6c 84 d0 ff 45 89 e5 41 81 cd 00 20 01 00 eb 8e e8 5b 84 d0 ff <0f> 0b e9 45 ff ff ff 0f 1f 40 00 55 48 89 fd 53 e8 46 84 d0 ff 48 RSP: 0018:ffffc900040e7b18 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806bb4c400 RCX: 0000000000000000 RDX: ffff888024880000 RSI: ffffffff81a849c5 RDI: 0000000000000003 RBP: 00000000c0c0c100 R08: 000000007fffffff R09: 00000000ffffffff R10: ffffffff81a84981 R11: 0000000000000000 R12: 0000000000000dc0 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88806bb4c414 FS: 0000000000000000(0000) GS:ffff88802cc00000(0063) knlGS:00000000f589ab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7074f28 CR3: 000000006d49c000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvmalloc include/linux/slab.h:732 [inline] kvzalloc include/linux/slab.h:740 [inline] snd_pcm_plugin_alloc+0x570/0x770 sound/core/oss/pcm_plugin.c:71 snd_pcm_plug_alloc+0x20d/0x310 sound/core/oss/pcm_plugin.c:118 snd_pcm_oss_change_params_locked+0x19db/0x3bf0 sound/core/oss/pcm_oss.c:1041 snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1104 [inline] snd_pcm_oss_get_active_substream+0x164/0x1c0 sound/core/oss/pcm_oss.c:1121 snd_pcm_oss_get_rate sound/core/oss/pcm_oss.c:1778 [inline] snd_pcm_oss_set_rate sound/core/oss/pcm_oss.c:1770 [inline] snd_pcm_oss_ioctl+0x144f/0x3430 sound/core/oss/pcm_oss.c:2632 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:972 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf6ec1549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f589a5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c0045002 RDX: 0000000020000140 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi