================================================================================
UBSAN: Undefined behaviour in ./include/linux/log2.h:71:13
shift exponent 4294967295 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 29073 Comm: syz-executor.2 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
Bluetooth: hci1: command 0x040f tx timeout
 __rounddown_pow_of_two include/linux/log2.h:71 [inline]
 snd_pcm_oss_period_size sound/core/oss/pcm_oss.c:711 [inline]
 snd_pcm_oss_change_params_locked.cold+0x115/0x11a 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_block_size sound/core/oss/pcm_oss.c:1816 [inline]
 snd_pcm_oss_ioctl+0x1869/0x33c0 sound/core/oss/pcm_oss.c:2625
 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:00007ff3ef93ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000015f80 RCX: 000000000045de59
RDX: 0000000000000000 RSI: 00000000c0045004 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe1a4fe49f R14: 00007ff3ef93b9c0 R15: 000000000118bf2c
================================================================================
================================================================================
UBSAN: Undefined behaviour in ./include/linux/log2.h:61:13
shift exponent 64 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 29073 Comm: syz-executor.2 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+0x6d/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_block_size sound/core/oss/pcm_oss.c:1816 [inline]
 snd_pcm_oss_ioctl+0x1869/0x33c0 sound/core/oss/pcm_oss.c:2625
 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:00007ff3ef93ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000015f80 RCX: 000000000045de59
RDX: 0000000000000000 RSI: 00000000c0045004 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe1a4fe49f R14: 00007ff3ef93b9c0 R15: 000000000118bf2c
================================================================================
Bluetooth: hci1: command 0x0419 tx timeout
netlink: 40027 bytes leftover after parsing attributes in process `syz-executor.0'.
IPVS: ftp: loaded support on port[0] = 21
device tunl0 entered promiscuous mode
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
device gre0 entered promiscuous mode
device gretap0 entered promiscuous mode
device erspan0 entered promiscuous mode
device ip_vti0 entered promiscuous mode
device ip6_vti0 entered promiscuous mode
device sit0 entered promiscuous mode
device ip6tnl0 entered promiscuous mode
device ip6gre0 entered promiscuous mode
device syz_tun entered promiscuous mode
device ip6gretap0 entered promiscuous mode
device bridge0 entered promiscuous mode
device vcan0 entered promiscuous mode
IPVS: ftp: loaded support on port[0] = 21
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
device bond0 entered promiscuous mode
device bond_slave_0 entered promiscuous mode
device bond_slave_1 entered promiscuous mode
device team0 entered promiscuous mode
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device dummy0 entered promiscuous mode
device nlmon0 entered promiscuous mode
device caif0 entered promiscuous mode
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
netlink: 40027 bytes leftover after parsing attributes in process `syz-executor.0'.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
FAT-fs (loop1): Directory bread(block 5) failed
FAT-fs (loop1): Directory bread(block 6) failed
FAT-fs (loop1): Directory bread(block 5) failed
FAT-fs (loop1): Directory bread(block 6) failed
FAT-fs (loop1): Directory bread(block 5) failed
FAT-fs (loop1): Directory bread(block 6) failed
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
FAT-fs (loop1): Directory bread(block 5) failed
EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (60935!=0)
FAT-fs (loop1): Directory bread(block 6) failed
EXT4-fs (loop5): orphan cleanup on readonly fs
EXT4-fs warning (device loop5): ext4_enable_quotas:5872: Failed to enable quota tracking (type=0, err=-22). Please run e2fsck to fix.
EXT4-fs (loop5): Cannot turn on quotas: error -22
EXT4-fs error (device loop5): ext4_orphan_get:1257: comm syz-executor.5: bad orphan inode 33554432
FAT-fs (loop1): Directory bread(block 5) failed
FAT-fs (loop1): Directory bread(block 6) failed
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
IPVS: ftp: loaded support on port[0] = 21