================================================================================
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: 11855 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
 __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
new mount options do not match the existing superblock, will be ignored
 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:00007f2f60bccc78 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: 00007ffd34138f9f R14: 00007f2f60bcd9c0 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: 0 PID: 11855 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
new mount options do not match the existing superblock, will be ignored
 __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
new mount options do not match the existing superblock, will be ignored
 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:00007f2f60bccc78 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: 00007ffd34138f9f R14: 00007f2f60bcd9c0 R15: 000000000118bf2c
================================================================================
netlink: 'syz-executor.4': attribute type 1 has an invalid length.
IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready
8021q: adding VLAN 0 to HW filter on device bond1
netlink: 'syz-executor.4': attribute type 1 has an invalid length.
new mount options do not match the existing superblock, will be ignored
TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
REISERFS warning (device loop4): sh-2021 reiserfs_fill_super: can not find reiserfs on loop4
REISERFS warning (device loop4): sh-2021 reiserfs_fill_super: can not find reiserfs on loop4
nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
 loop4: p1 p2 p3 p4
loop4: partition table partially beyond EOD, truncated
ISOFS: Logical zone size(0) < hardware blocksize(1024)
loop4: p1 start 10 is beyond EOD, truncated
loop4: p2 start 27 is beyond EOD, truncated
loop4: p3 start 4293001441 is beyond EOD, truncated
x_tables: duplicate underflow at hook 1
loop4: p4 size 3657465856 extends beyond EOD, truncated
x_tables: duplicate underflow at hook 1
x_tables: duplicate underflow at hook 1
x_tables: duplicate underflow at hook 1
new mount options do not match the existing superblock, will be ignored
x_tables: duplicate underflow at hook 1
new mount options do not match the existing superblock, will be ignored
new mount options do not match the existing superblock, will be ignored
FAT-fs (loop2): Unrecognized mount option "subj_user=netdevsim" or missing value
FAT-fs (loop2): Unrecognized mount option "subj_user=netdevsim" or missing value
GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog
REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option ""
REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option ""
audit: type=1800 audit(1603164937.312:16): pid=12362 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="file0" dev="sda1" ino=16248 res=0
audit: type=1804 audit(1603164937.352:17): pid=12362 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir955064278/syzkaller.KEMthb/308/file0" dev="sda1" ino=16248 res=1
new mount options do not match the existing superblock, will be ignored
netlink: 'syz-executor.2': attribute type 10 has an invalid length.
team0: Device macvtap0 is up. Set it down before adding it as a team port
new mount options do not match the existing superblock, will be ignored
netlink: 'syz-executor.2': attribute type 10 has an invalid length.
team0: Device macvtap0 is up. Set it down before adding it as a team port