[ 15.408733][ T3966] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.411981][ T3966] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.462472][ T9] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.466799][ T185] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.151' (ED25519) to the list of known hosts. executing program syzkaller login: [ 38.031455][ T4290] loop0: detected capacity change from 0 to 32768 [ 38.034759][ T4290] ======================================================= [ 38.034759][ T4290] WARNING: The mand mount option has been deprecated and [ 38.034759][ T4290] and is ignored by this kernel. Remove the mand [ 38.034759][ T4290] option from the mount to silence this warning. [ 38.034759][ T4290] ======================================================= [ 38.044192][ T4290] ================================================================================ [ 38.046091][ T4290] UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2365:4 [ 38.047437][ T4290] shift exponent 4026531854 is too large for 32-bit type 'int' [ 38.048868][ T4290] CPU: 0 PID: 4290 Comm: syz-executor158 Tainted: G W 6.1.121-syzkaller #0 [ 38.050760][ T4290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 38.052733][ T4290] Call trace: [ 38.053446][ T4290] dump_backtrace+0x1c8/0x1f4 [ 38.054384][ T4290] show_stack+0x2c/0x3c [ 38.055207][ T4290] dump_stack_lvl+0x108/0x170 [ 38.056138][ T4290] dump_stack+0x1c/0x58 [ 38.056951][ T4290] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c [ 38.058211][ T4290] ocfs2_fill_super+0xf14/0x48c4 [ 38.059204][ T4290] mount_bdev+0x274/0x370 [ 38.060080][ T4290] ocfs2_mount+0x44/0x58 [ 38.060950][ T4290] legacy_get_tree+0xd4/0x16c [ 38.061866][ T4290] vfs_get_tree+0x90/0x274 [ 38.062706][ T4290] do_new_mount+0x278/0x8fc [ 38.063591][ T4290] path_mount+0x590/0xe5c [ 38.064446][ T4290] __arm64_sys_mount+0x45c/0x594 [ 38.065418][ T4290] invoke_syscall+0x98/0x2bc [ 38.066323][ T4290] el0_svc_common+0x138/0x258 [ 38.067227][ T4290] do_el0_svc+0x58/0x13c [ 38.068103][ T4290] el0_svc+0x58/0x168 [ 38.068915][ T4290] el0t_64_sync_handler+0x84/0xf0 [ 38.069889][ T4290] el0t_64_sync+0x18c/0x190 [ 38.071024][ T4290] ================================================================================ [ 38.073029][ T4290] (syz-executor158,4290,0):ocfs2_verify_volume:2366 ERROR: bad cluster size found: 16384 [ 38.075018][ T4290] (syz-executor158,4290,0):ocfs2_verify_volume:2385 ERROR: status = -22 [ 38.076663][ T4290] (syz-executor158,4290,0):ocfs2_fill_super:990 ERROR: superblock probe failed! [ 38.078489][ T4290] (syz-executor158,4290,0):ocfs2_fill_super:1176 ERROR: status = -22