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kernel BUG at fs/ocfs2/suballoc.c:1349!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4515 Comm: syz.4.15 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_block_group_set_bits+0x51c/0x6cc fs/ocfs2/suballoc.c:1349
lr : ocfs2_block_group_set_bits+0x51c/0x6cc fs/ocfs2/suballoc.c:1349
sp : ffff8000218871e0
x29: ffff800021887260 x28: ffff0000e0e86ae0 x27: ffff0000f52aa658
x26: 000000000000006b x25: ffff0000f70d500c x24: ffff0000e0efb338
x23: ffff0000f70d5000 x22: 0000000000000091 x21: 0000000000000007
x20: ffff700004310e40 x19: dfff800000000000 x18: ffff800011b8bf60
x17: ffff800018349000 x16: ffff8000082d0ff8 x15: 0000000000000002
x14: 00000000fffffffc x13: 0000000000ff0100 x12: 0000000000080000
x11: 000000000007ffff x10: ffff800027dfc000 x9 : ffff800009de7224
x8 : 0000000000080000 x7 : ffff800008eb031c x6 : 0000000000000000
x5 : 0000000000000091 x4 : 0000000000000007 x3 : ffff0000f52aa658
x2 : ffff0000f70d5000 x1 : 000000000000006b x0 : 0000000000000091
Call trace:
 ocfs2_block_group_set_bits+0x51c/0x6cc fs/ocfs2/suballoc.c:1349
 ocfs2_move_extent fs/ocfs2/move_extents.c:693 [inline]
 __ocfs2_move_extents_range+0x1ff8/0x29c8 fs/ocfs2/move_extents.c:866
 ocfs2_move_extents+0x328/0x818 fs/ocfs2/move_extents.c:938
 ocfs2_ioctl_move_extents+0x410/0x5e8 fs/ocfs2/move_extents.c:1064
 ocfs2_ioctl+0x220/0xb44 fs/ocfs2/ioctl.c:930
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 17ffff5b 979b1028 d4210000 979b1026 (d4210000) 
---[ end trace 0000000000000000 ]---