================================================================================
UBSAN: Undefined behaviour in sound/core/oss/pcm_oss.c:720:23
shift exponent 4096 is too large for 32-bit type 'int'
CPU: 1 PID: 10072 Comm: syz-executor.5 Not tainted 4.19.152-syzkaller #0
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+0x22c/0x33e lib/dump_stack.c:118
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
 snd_pcm_oss_period_size sound/core/oss/pcm_oss.c:720 [inline]
 snd_pcm_oss_change_params_locked.cold+0xc1/0x11a sound/core/oss/pcm_oss.c:943
 snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1102 [inline]
 snd_pcm_oss_get_active_substream+0x164/0x1c0 sound/core/oss/pcm_oss.c:1119
 snd_pcm_oss_get_rate sound/core/oss/pcm_oss.c:1769 [inline]
 snd_pcm_oss_set_rate sound/core/oss/pcm_oss.c:1761 [inline]
 snd_pcm_oss_ioctl+0xf07/0x3450 sound/core/oss/pcm_oss.c:2609
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45de59
Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc4ae8cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000016380 RCX: 000000000045de59
RDX: 0000000020000000 RSI: 00000000c0045002 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffc25d4e94f R14: 00007fc4ae8cc9c0 R15: 000000000118bf2c
================================================================================
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop2): __ext4_new_inode:922: comm syz-executor.2: reserved inode found cleared - inode=3
hpfs: Bad magic ... probably not HPFS
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop2): __ext4_new_inode:922: comm syz-executor.2: reserved inode found cleared - inode=3
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop2): __ext4_new_inode:922: comm syz-executor.2: reserved inode found cleared - inode=3
audit: type=1326 audit(1603282022.945:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=10151 comm="syz-executor.2" exe="/root/syz-executor.2" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0
audit: type=1326 audit(1603282023.615:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=10151 comm="syz-executor.2" exe="/root/syz-executor.2" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0
audit: type=1326 audit(1603282025.725:18): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=10172 comm="syz-executor.2" exe="/root/syz-executor.2" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0
audit: type=1326 audit(1603282028.795:19): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=10237 comm="syz-executor.2" exe="/root/syz-executor.2" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0