loop2: detected capacity change from 0 to 32768
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find_entry called with index >= next_index
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UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:1997:37
index -128 is out of range for type 'struct dtslot[128]'
CPU: 0 UID: 0 PID: 7118 Comm: syz.2.83 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #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:466 (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_out_of_bounds+0xf8/0x148 lib/ubsan.c:429
 dtSplitRoot+0x994/0x1424 fs/jfs/jfs_dtree.c:1997
 dtSplitUp fs/jfs/jfs_dtree.c:992 [inline]
 dtInsert+0xf80/0x573c fs/jfs/jfs_dtree.c:870
 jfs_symlink+0x71c/0xee4 fs/jfs/namei.c:1020
 vfs_symlink+0x138/0x28c fs/namei.c:4669
 do_symlinkat+0x1bc/0x45c fs/namei.c:4695
 __do_sys_symlinkat fs/namei.c:4711 [inline]
 __se_sys_symlinkat fs/namei.c:4708 [inline]
 __arm64_sys_symlinkat+0x9c/0xb4 fs/namei.c:4708
 __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 ]---
find_entry called with index = 0

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