loop2: detected capacity change from 0 to 32768
------------[ cut here ]------------
UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2336:10
shift exponent 1289 is too large for 32-bit type 'int'
CPU: 1 UID: 0 PID: 7476 Comm: syz.2.244 Not tainted 6.12.0-rc6-syzkaller-g563047e691f2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:484 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468
 ocfs2_verify_volume fs/ocfs2/super.c:2336 [inline]
 ocfs2_sb_probe fs/ocfs2/super.c:792 [inline]
 ocfs2_fill_super+0xe0c/0x49d0 fs/ocfs2/super.c:988
 mount_bdev+0x1d4/0x2a0 fs/super.c:1693
 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1188
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3507
 path_mount+0x590/0xe04 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount fs/namespace.c:4034 [inline]
 __arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
---[ end trace ]---
------------[ cut here ]------------
UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2032:24
shift exponent -1276 is negative
CPU: 1 UID: 0 PID: 7476 Comm: syz.2.244 Not tainted 6.12.0-rc6-syzkaller-g563047e691f2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:484 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468
 ocfs2_initialize_super fs/ocfs2/super.c:2032 [inline]
 ocfs2_fill_super+0x428c/0x49d0 fs/ocfs2/super.c:994
 mount_bdev+0x1d4/0x2a0 fs/super.c:1693
 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1188
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3507
 path_mount+0x590/0xe04 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount fs/namespace.c:4034 [inline]
 __arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
---[ end trace ]---
(syz.2.244,7476,1):ocfs2_init_global_system_inodes:461 ERROR: status = -22
(syz.2.244,7476,1):ocfs2_init_global_system_inodes:463 ERROR: Unable to load system inode 1, possibly corrupt fs?
(syz.2.244,7476,1):ocfs2_init_global_system_inodes:472 ERROR: status = -22
(syz.2.244,7476,1):ocfs2_initialize_super:2250 ERROR: status = -22
(syz.2.244,7476,1):ocfs2_fill_super:1178 ERROR: status = -22
Soft offlining pfn 0x1c0d02 at process virtual address 0x20ffc000
Soft offline: 0x1c0d02: page already poisoned