BUG at fs/jfs/jfs_dmap.c:3028 assert(bitno < 32) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_dmap.c:3028! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4473 Comm: syz-executor.3 Not tainted 6.1.91-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3028 lr : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3028 sp : ffff80001e356c90 x29: ffff80001e356c90 x28: 00000000ffffffff x27: 1ffff00003c6ad9c x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000 x23: ffff800015deef70 x22: 0000000000000020 x21: 0000000000000000 x20: 0000000000000001 x19: 0000000000000000 x18: ffff80001e3561e0 x17: 0000000000000000 x16: ffff80001215f714 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000040000 x11: 000000000001870e x10: ffff800022c4a000 x9 : 887cd31a21481d00 x8 : 887cd31a21481d00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001e356598 x4 : ffff800015932ae0 x3 : ffff8000085874e4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000030 Call trace: dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3028 dbAllocDmapLev+0x194/0x414 fs/jfs/jfs_dmap.c:1983 dbAllocCtl+0x104/0x844 fs/jfs/jfs_dmap.c:1823 dbAllocAG+0x208/0xe4c fs/jfs/jfs_dmap.c:1364 dbAlloc+0x520/0xb68 fs/jfs/jfs_dmap.c:888 dtSplitUp fs/jfs/jfs_dtree.c:979 [inline] dtInsert+0xab0/0x54f4 fs/jfs/jfs_dtree.c:868 jfs_rename+0x848/0x1890 fs/jfs/namei.c:1224 vfs_rename+0xac8/0xe04 fs/namei.c:4876 do_renameat2+0x9ec/0xe64 fs/namei.c:5029 __do_sys_renameat2 fs/namei.c:5062 [inline] __se_sys_renameat2 fs/namei.c:5059 [inline] __arm64_sys_renameat2+0xe0/0xfc fs/namei.c:5059 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 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: d0046423 91140063 52817a82 959632b2 (d4210000) ---[ end trace 0000000000000000 ]---