Bluetooth: hci0: command 0x0409 tx timeout Bluetooth: hci0: command 0x041b tx timeout Bluetooth: hci0: command 0x040f tx timeout Bluetooth: hci0: command 0x0419 tx timeout ================================================================================ UBSAN: Undefined behaviour in ./include/linux/log2.h:61:13 shift exponent 64 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 9513 Comm: syz-executor.0 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 __roundup_pow_of_two include/linux/log2.h:61 [inline] snd_pcm_oss_period_size sound/core/oss/pcm_oss.c:747 [inline] snd_pcm_oss_change_params_locked.cold+0x85/0x11a 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_channels sound/core/oss/pcm_oss.c:1806 [inline] snd_pcm_oss_set_channels+0x244/0x380 sound/core/oss/pcm_oss.c:1798 snd_pcm_oss_ioctl+0x196f/0x3450 sound/core/oss/pcm_oss.c:2644 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:00007f010c2c1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000015f40 RCX: 000000000045de59 RDX: 0000000020000000 RSI: 00000000c0045006 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc67be272f R14: 00007f010c2c29c0 R15: 000000000118bf2c ================================================================================